diff --git a/go.mod b/go.mod index 05f2dccfdb..17717b6fbf 100644 --- a/go.mod +++ b/go.mod @@ -25,9 +25,9 @@ require ( github.com/operator-framework/operator-registry v1.46.0 github.com/otiai10/copy v1.14.0 github.com/pkg/errors v0.9.1 - github.com/prometheus/client_golang v1.19.1 + github.com/prometheus/client_golang v1.20.0 github.com/prometheus/client_model v0.6.1 - github.com/prometheus/common v0.55.0 + github.com/prometheus/common v0.59.1 github.com/sirupsen/logrus v1.9.3 github.com/spf13/cobra v1.8.1 github.com/spf13/pflag v1.0.5 @@ -117,6 +117,7 @@ require ( github.com/josharian/intern v1.0.0 // indirect github.com/json-iterator/go v1.1.12 // indirect github.com/klauspost/compress v1.17.9 // indirect + github.com/kylelemons/godebug v1.1.0 // indirect github.com/mailru/easyjson v0.7.7 // indirect github.com/mattn/go-colorable v0.1.13 // indirect github.com/mattn/go-isatty v0.0.20 // indirect diff --git a/go.sum b/go.sum index 093d4a9790..ba8fac2117 100644 --- a/go.sum +++ b/go.sum @@ -1752,6 +1752,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= +github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc= +github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw= github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII= github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw= github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o= @@ -1842,8 +1844,8 @@ github.com/pkg/sftp v1.13.1/go.mod h1:3HaPG6Dq1ILlpPZRO0HVMrsydcdLt6HRDccSgb87qR github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U= github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= -github.com/prometheus/client_golang v1.19.1 h1:wZWJDwK+NameRJuPGDhlnFgx8e8HN3XHQeLaYJFJBOE= -github.com/prometheus/client_golang v1.19.1/go.mod h1:mP78NwGzrVks5S2H6ab8+ZZGJLZUq1hoULYBAYBw1Ho= +github.com/prometheus/client_golang v1.20.0 h1:jBzTZ7B099Rg24tny+qngoynol8LtVYlA2bqx3vEloI= +github.com/prometheus/client_golang v1.20.0/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE= github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w= @@ -1851,8 +1853,8 @@ github.com/prometheus/client_model v0.4.0/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJ github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI= github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E= github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY= -github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc= -github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8= +github.com/prometheus/common v0.59.1 h1:LXb1quJHWm1P6wq/U824uxYi4Sg0oGvNeUm1z5dJoX0= +github.com/prometheus/common v0.59.1/go.mod h1:GpWM7dewqmVYcd7SmRaiWVe9SSqjf0UrwnYnpEZNuT0= github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc= github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk= github.com/redis/go-redis/extra/rediscmd/v9 v9.0.5 h1:EaDatTxkdHG+U3Bk4EUr+DZ7fOGwTfezUiUJMaIcaho= diff --git a/vendor/github.com/kylelemons/godebug/LICENSE b/vendor/github.com/kylelemons/godebug/LICENSE new file mode 100644 index 0000000000..d645695673 --- /dev/null +++ b/vendor/github.com/kylelemons/godebug/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. For the purposes of this definition, "submitted" + means any form of electronic, verbal, or written communication sent + to the Licensor or its representatives, including but not limited to + communication on electronic mailing lists, source code control systems, + and issue tracking systems that are managed by, or on behalf of, the + Licensor for the purpose of discussing and improving the Work, but + excluding communication that is conspicuously marked or otherwise + designated in writing by the copyright owner as "Not a Contribution." + + "Contributor" shall mean Licensor and any individual or Legal Entity + on behalf of whom a Contribution has been received by Licensor and + subsequently incorporated within the Work. + + 2. Grant of Copyright License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + copyright license to reproduce, prepare Derivative Works of, + publicly display, publicly perform, sublicense, and distribute the + Work and such Derivative Works in Source or Object form. + + 3. Grant of Patent License. Subject to the terms and conditions of + this License, each Contributor hereby grants to You a perpetual, + worldwide, non-exclusive, no-charge, royalty-free, irrevocable + (except as stated in this section) patent license to make, have made, + use, offer to sell, sell, import, and otherwise transfer the Work, + where such license applies only to those patent claims licensable + by such Contributor that are necessarily infringed by their + Contribution(s) alone or by combination of their Contribution(s) + with the Work to which such Contribution(s) was submitted. If You + institute patent litigation against any entity (including a + cross-claim or counterclaim in a lawsuit) alleging that the Work + or a Contribution incorporated within the Work constitutes direct + or contributory patent infringement, then any patent licenses + granted to You under this License for that Work shall terminate + as of the date such litigation is filed. + + 4. Redistribution. You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. Unless required by applicable law or + agreed to in writing, Licensor provides the Work (and each + Contributor provides its Contributions) on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied, including, without limitation, any warranties or conditions + of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A + PARTICULAR PURPOSE. You are solely responsible for determining the + appropriateness of using or redistributing the Work and assume any + risks associated with Your exercise of permissions under this License. + + 8. Limitation of Liability. In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/kylelemons/godebug/diff/diff.go b/vendor/github.com/kylelemons/godebug/diff/diff.go new file mode 100644 index 0000000000..200e596c62 --- /dev/null +++ b/vendor/github.com/kylelemons/godebug/diff/diff.go @@ -0,0 +1,186 @@ +// Copyright 2013 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Package diff implements a linewise diff algorithm. +package diff + +import ( + "bytes" + "fmt" + "strings" +) + +// Chunk represents a piece of the diff. A chunk will not have both added and +// deleted lines. Equal lines are always after any added or deleted lines. +// A Chunk may or may not have any lines in it, especially for the first or last +// chunk in a computation. +type Chunk struct { + Added []string + Deleted []string + Equal []string +} + +func (c *Chunk) empty() bool { + return len(c.Added) == 0 && len(c.Deleted) == 0 && len(c.Equal) == 0 +} + +// Diff returns a string containing a line-by-line unified diff of the linewise +// changes required to make A into B. Each line is prefixed with '+', '-', or +// ' ' to indicate if it should be added, removed, or is correct respectively. +func Diff(A, B string) string { + aLines := strings.Split(A, "\n") + bLines := strings.Split(B, "\n") + + chunks := DiffChunks(aLines, bLines) + + buf := new(bytes.Buffer) + for _, c := range chunks { + for _, line := range c.Added { + fmt.Fprintf(buf, "+%s\n", line) + } + for _, line := range c.Deleted { + fmt.Fprintf(buf, "-%s\n", line) + } + for _, line := range c.Equal { + fmt.Fprintf(buf, " %s\n", line) + } + } + return strings.TrimRight(buf.String(), "\n") +} + +// DiffChunks uses an O(D(N+M)) shortest-edit-script algorithm +// to compute the edits required from A to B and returns the +// edit chunks. +func DiffChunks(a, b []string) []Chunk { + // algorithm: http://www.xmailserver.org/diff2.pdf + + // We'll need these quantities a lot. + alen, blen := len(a), len(b) // M, N + + // At most, it will require len(a) deletions and len(b) additions + // to transform a into b. + maxPath := alen + blen // MAX + if maxPath == 0 { + // degenerate case: two empty lists are the same + return nil + } + + // Store the endpoint of the path for diagonals. + // We store only the a index, because the b index on any diagonal + // (which we know during the loop below) is aidx-diag. + // endpoint[maxPath] represents the 0 diagonal. + // + // Stated differently: + // endpoint[d] contains the aidx of a furthest reaching path in diagonal d + endpoint := make([]int, 2*maxPath+1) // V + + saved := make([][]int, 0, 8) // Vs + save := func() { + dup := make([]int, len(endpoint)) + copy(dup, endpoint) + saved = append(saved, dup) + } + + var editDistance int // D +dLoop: + for editDistance = 0; editDistance <= maxPath; editDistance++ { + // The 0 diag(onal) represents equality of a and b. Each diagonal to + // the left is numbered one lower, to the right is one higher, from + // -alen to +blen. Negative diagonals favor differences from a, + // positive diagonals favor differences from b. The edit distance to a + // diagonal d cannot be shorter than d itself. + // + // The iterations of this loop cover either odds or evens, but not both, + // If odd indices are inputs, even indices are outputs and vice versa. + for diag := -editDistance; diag <= editDistance; diag += 2 { // k + var aidx int // x + switch { + case diag == -editDistance: + // This is a new diagonal; copy from previous iter + aidx = endpoint[maxPath-editDistance+1] + 0 + case diag == editDistance: + // This is a new diagonal; copy from previous iter + aidx = endpoint[maxPath+editDistance-1] + 1 + case endpoint[maxPath+diag+1] > endpoint[maxPath+diag-1]: + // diagonal d+1 was farther along, so use that + aidx = endpoint[maxPath+diag+1] + 0 + default: + // diagonal d-1 was farther (or the same), so use that + aidx = endpoint[maxPath+diag-1] + 1 + } + // On diagonal d, we can compute bidx from aidx. + bidx := aidx - diag // y + // See how far we can go on this diagonal before we find a difference. + for aidx < alen && bidx < blen && a[aidx] == b[bidx] { + aidx++ + bidx++ + } + // Store the end of the current edit chain. + endpoint[maxPath+diag] = aidx + // If we've found the end of both inputs, we're done! + if aidx >= alen && bidx >= blen { + save() // save the final path + break dLoop + } + } + save() // save the current path + } + if editDistance == 0 { + return nil + } + chunks := make([]Chunk, editDistance+1) + + x, y := alen, blen + for d := editDistance; d > 0; d-- { + endpoint := saved[d] + diag := x - y + insert := diag == -d || (diag != d && endpoint[maxPath+diag-1] < endpoint[maxPath+diag+1]) + + x1 := endpoint[maxPath+diag] + var x0, xM, kk int + if insert { + kk = diag + 1 + x0 = endpoint[maxPath+kk] + xM = x0 + } else { + kk = diag - 1 + x0 = endpoint[maxPath+kk] + xM = x0 + 1 + } + y0 := x0 - kk + + var c Chunk + if insert { + c.Added = b[y0:][:1] + } else { + c.Deleted = a[x0:][:1] + } + if xM < x1 { + c.Equal = a[xM:][:x1-xM] + } + + x, y = x0, y0 + chunks[d] = c + } + if x > 0 { + chunks[0].Equal = a[:x] + } + if chunks[0].empty() { + chunks = chunks[1:] + } + if len(chunks) == 0 { + return nil + } + return chunks +} diff --git a/vendor/github.com/prometheus/client_golang/NOTICE b/vendor/github.com/prometheus/client_golang/NOTICE index dd878a30ee..b9cc55abbb 100644 --- a/vendor/github.com/prometheus/client_golang/NOTICE +++ b/vendor/github.com/prometheus/client_golang/NOTICE @@ -16,8 +16,3 @@ Go support for Protocol Buffers - Google's data interchange format http://github.com/golang/protobuf/ Copyright 2010 The Go Authors See source code for license details. - -Support for streaming Protocol Buffer messages for the Go language (golang). -https://github.com/matttproud/golang_protobuf_extensions -Copyright 2013 Matt T. Proud -Licensed under the Apache License, Version 2.0 diff --git a/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/LICENSE b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/LICENSE new file mode 100644 index 0000000000..65d761bc9f --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2013 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header/header.go b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header/header.go new file mode 100644 index 0000000000..8547c8dfd1 --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header/header.go @@ -0,0 +1,145 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file or at +// https://developers.google.com/open-source/licenses/bsd. + +// Package header provides functions for parsing HTTP headers. +package header + +import ( + "net/http" + "strings" +) + +// Octet types from RFC 2616. +var octetTypes [256]octetType + +type octetType byte + +const ( + isToken octetType = 1 << iota + isSpace +) + +func init() { + // OCTET = + // CHAR = + // CTL = + // CR = + // LF = + // SP = + // HT = + // <"> = + // CRLF = CR LF + // LWS = [CRLF] 1*( SP | HT ) + // TEXT = + // separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <"> + // | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT + // token = 1* + // qdtext = > + + for c := 0; c < 256; c++ { + var t octetType + isCtl := c <= 31 || c == 127 + isChar := 0 <= c && c <= 127 + isSeparator := strings.ContainsRune(" \t\"(),/:;<=>?@[]\\{}", rune(c)) + if strings.ContainsRune(" \t\r\n", rune(c)) { + t |= isSpace + } + if isChar && !isCtl && !isSeparator { + t |= isToken + } + octetTypes[c] = t + } +} + +// AcceptSpec describes an Accept* header. +type AcceptSpec struct { + Value string + Q float64 +} + +// ParseAccept parses Accept* headers. +func ParseAccept(header http.Header, key string) (specs []AcceptSpec) { +loop: + for _, s := range header[key] { + for { + var spec AcceptSpec + spec.Value, s = expectTokenSlash(s) + if spec.Value == "" { + continue loop + } + spec.Q = 1.0 + s = skipSpace(s) + if strings.HasPrefix(s, ";") { + s = skipSpace(s[1:]) + if !strings.HasPrefix(s, "q=") { + continue loop + } + spec.Q, s = expectQuality(s[2:]) + if spec.Q < 0.0 { + continue loop + } + } + specs = append(specs, spec) + s = skipSpace(s) + if !strings.HasPrefix(s, ",") { + continue loop + } + s = skipSpace(s[1:]) + } + } + return +} + +func skipSpace(s string) (rest string) { + i := 0 + for ; i < len(s); i++ { + if octetTypes[s[i]]&isSpace == 0 { + break + } + } + return s[i:] +} + +func expectTokenSlash(s string) (token, rest string) { + i := 0 + for ; i < len(s); i++ { + b := s[i] + if (octetTypes[b]&isToken == 0) && b != '/' { + break + } + } + return s[:i], s[i:] +} + +func expectQuality(s string) (q float64, rest string) { + switch { + case len(s) == 0: + return -1, "" + case s[0] == '0': + q = 0 + case s[0] == '1': + q = 1 + default: + return -1, "" + } + s = s[1:] + if !strings.HasPrefix(s, ".") { + return q, s + } + s = s[1:] + i := 0 + n := 0 + d := 1 + for ; i < len(s); i++ { + b := s[i] + if b < '0' || b > '9' { + break + } + n = n*10 + int(b) - '0' + d *= 10 + } + return q + float64(n)/float64(d), s[i:] +} diff --git a/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/negotiate.go b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/negotiate.go new file mode 100644 index 0000000000..2e45780b74 --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/negotiate.go @@ -0,0 +1,36 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file or at +// https://developers.google.com/open-source/licenses/bsd. + +package httputil + +import ( + "net/http" + + "github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header" +) + +// NegotiateContentEncoding returns the best offered content encoding for the +// request's Accept-Encoding header. If two offers match with equal weight and +// then the offer earlier in the list is preferred. If no offers are +// acceptable, then "" is returned. +func NegotiateContentEncoding(r *http.Request, offers []string) string { + bestOffer := "identity" + bestQ := -1.0 + specs := header.ParseAccept(r.Header, "Accept-Encoding") + for _, offer := range offers { + for _, spec := range specs { + if spec.Q > bestQ && + (spec.Value == "*" || spec.Value == offer) { + bestQ = spec.Q + bestOffer = offer + } + } + } + if bestQ == 0 { + bestOffer = "" + } + return bestOffer +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go b/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go index bcfa4fa10e..cc4ef1077e 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/collectors/go_collector_latest.go @@ -37,6 +37,9 @@ var ( // MetricsScheduler allows only scheduler metrics to be collected from Go runtime. // e.g. go_sched_goroutines_goroutines MetricsScheduler = GoRuntimeMetricsRule{regexp.MustCompile(`^/sched/.*`)} + // MetricsDebug allows only debug metrics to be collected from Go runtime. + // e.g. go_godebug_non_default_behavior_gocachetest_events_total + MetricsDebug = GoRuntimeMetricsRule{regexp.MustCompile(`^/godebug/.*`)} ) // WithGoCollectorMemStatsMetricsDisabled disables metrics that is gathered in runtime.MemStats structure such as: @@ -44,7 +47,6 @@ var ( // go_memstats_alloc_bytes // go_memstats_alloc_bytes_total // go_memstats_sys_bytes -// go_memstats_lookups_total // go_memstats_mallocs_total // go_memstats_frees_total // go_memstats_heap_alloc_bytes diff --git a/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go index ad9a71a5e0..520cbd7d41 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/go_collector.go @@ -22,13 +22,13 @@ import ( // goRuntimeMemStats provides the metrics initially provided by runtime.ReadMemStats. // From Go 1.17 those similar (and better) statistics are provided by runtime/metrics, so // while eval closure works on runtime.MemStats, the struct from Go 1.17+ is -// populated using runtime/metrics. +// populated using runtime/metrics. Those are the defaults we can't alter. func goRuntimeMemStats() memStatsMetrics { return memStatsMetrics{ { desc: NewDesc( memstatNamespace("alloc_bytes"), - "Number of bytes allocated and still in use.", + "Number of bytes allocated in heap and currently in use. Equals to /memory/classes/heap/objects:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Alloc) }, @@ -36,7 +36,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("alloc_bytes_total"), - "Total number of bytes allocated, even if freed.", + "Total number of bytes allocated in heap until now, even if released already. Equals to /gc/heap/allocs:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.TotalAlloc) }, @@ -44,23 +44,16 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("sys_bytes"), - "Number of bytes obtained from system.", + "Number of bytes obtained from system. Equals to /memory/classes/total:byte.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Sys) }, valType: GaugeValue, - }, { - desc: NewDesc( - memstatNamespace("lookups_total"), - "Total number of pointer lookups.", - nil, nil, - ), - eval: func(ms *runtime.MemStats) float64 { return float64(ms.Lookups) }, - valType: CounterValue, }, { desc: NewDesc( memstatNamespace("mallocs_total"), - "Total number of mallocs.", + // TODO(bwplotka): We could add go_memstats_heap_objects, probably useful for discovery. Let's gather more feedback, kind of a waste of bytes for everybody for compatibility reasons to keep both, and we can't really rename/remove useful metric. + "Total number of heap objects allocated, both live and gc-ed. Semantically a counter version for go_memstats_heap_objects gauge. Equals to /gc/heap/allocs:objects + /gc/heap/tiny/allocs:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Mallocs) }, @@ -68,7 +61,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("frees_total"), - "Total number of frees.", + "Total number of heap objects frees. Equals to /gc/heap/frees:objects + /gc/heap/tiny/allocs:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.Frees) }, @@ -76,7 +69,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_alloc_bytes"), - "Number of heap bytes allocated and still in use.", + "Number of heap bytes allocated and currently in use, same as go_memstats_alloc_bytes. Equals to /memory/classes/heap/objects:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapAlloc) }, @@ -84,7 +77,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_sys_bytes"), - "Number of heap bytes obtained from system.", + "Number of heap bytes obtained from system. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes + /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapSys) }, @@ -92,7 +85,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_idle_bytes"), - "Number of heap bytes waiting to be used.", + "Number of heap bytes waiting to be used. Equals to /memory/classes/heap/released:bytes + /memory/classes/heap/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapIdle) }, @@ -100,7 +93,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_inuse_bytes"), - "Number of heap bytes that are in use.", + "Number of heap bytes that are in use. Equals to /memory/classes/heap/objects:bytes + /memory/classes/heap/unused:bytes", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapInuse) }, @@ -108,7 +101,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_released_bytes"), - "Number of heap bytes released to OS.", + "Number of heap bytes released to OS. Equals to /memory/classes/heap/released:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapReleased) }, @@ -116,7 +109,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("heap_objects"), - "Number of allocated objects.", + "Number of currently allocated objects. Equals to /gc/heap/objects:objects.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.HeapObjects) }, @@ -124,7 +117,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("stack_inuse_bytes"), - "Number of bytes in use by the stack allocator.", + "Number of bytes obtained from system for stack allocator in non-CGO environments. Equals to /memory/classes/heap/stacks:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackInuse) }, @@ -132,7 +125,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("stack_sys_bytes"), - "Number of bytes obtained from system for stack allocator.", + "Number of bytes obtained from system for stack allocator. Equals to /memory/classes/heap/stacks:bytes + /memory/classes/os-stacks:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.StackSys) }, @@ -140,7 +133,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mspan_inuse_bytes"), - "Number of bytes in use by mspan structures.", + "Number of bytes in use by mspan structures. Equals to /memory/classes/metadata/mspan/inuse:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanInuse) }, @@ -148,7 +141,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mspan_sys_bytes"), - "Number of bytes used for mspan structures obtained from system.", + "Number of bytes used for mspan structures obtained from system. Equals to /memory/classes/metadata/mspan/inuse:bytes + /memory/classes/metadata/mspan/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MSpanSys) }, @@ -156,7 +149,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mcache_inuse_bytes"), - "Number of bytes in use by mcache structures.", + "Number of bytes in use by mcache structures. Equals to /memory/classes/metadata/mcache/inuse:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheInuse) }, @@ -164,7 +157,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("mcache_sys_bytes"), - "Number of bytes used for mcache structures obtained from system.", + "Number of bytes used for mcache structures obtained from system. Equals to /memory/classes/metadata/mcache/inuse:bytes + /memory/classes/metadata/mcache/free:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.MCacheSys) }, @@ -172,7 +165,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("buck_hash_sys_bytes"), - "Number of bytes used by the profiling bucket hash table.", + "Number of bytes used by the profiling bucket hash table. Equals to /memory/classes/profiling/buckets:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.BuckHashSys) }, @@ -180,7 +173,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("gc_sys_bytes"), - "Number of bytes used for garbage collection system metadata.", + "Number of bytes used for garbage collection system metadata. Equals to /memory/classes/metadata/other:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.GCSys) }, @@ -188,7 +181,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("other_sys_bytes"), - "Number of bytes used for other system allocations.", + "Number of bytes used for other system allocations. Equals to /memory/classes/other:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.OtherSys) }, @@ -196,7 +189,7 @@ func goRuntimeMemStats() memStatsMetrics { }, { desc: NewDesc( memstatNamespace("next_gc_bytes"), - "Number of heap bytes when next garbage collection will take place.", + "Number of heap bytes when next garbage collection will take place. Equals to /gc/heap/goal:bytes.", nil, nil, ), eval: func(ms *runtime.MemStats) float64 { return float64(ms.NextGC) }, @@ -225,7 +218,7 @@ func newBaseGoCollector() baseGoCollector { nil, nil), gcDesc: NewDesc( "go_gc_duration_seconds", - "A summary of the pause duration of garbage collection cycles.", + "A summary of the wall-time pause (stop-the-world) duration in garbage collection cycles.", nil, nil), gcLastTimeDesc: NewDesc( "go_memstats_last_gc_time_seconds", diff --git a/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go b/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go index 2d8d9f64f4..5117464172 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/go_collector_latest.go @@ -17,6 +17,7 @@ package prometheus import ( + "fmt" "math" "runtime" "runtime/metrics" @@ -153,7 +154,8 @@ func defaultGoCollectorOptions() internal.GoCollectorOptions { "/gc/heap/frees-by-size:bytes": goGCHeapFreesBytes, }, RuntimeMetricRules: []internal.GoCollectorRule{ - //{Matcher: regexp.MustCompile("")}, + // Recommended metrics we want by default from runtime/metrics. + {Matcher: internal.GoCollectorDefaultRuntimeMetrics}, }, } } @@ -203,6 +205,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { // to fail here. This condition is tested in TestExpectedRuntimeMetrics. continue } + help := attachOriginalName(d.Description.Description, d.Name) sampleBuf = append(sampleBuf, metrics.Sample{Name: d.Name}) sampleMap[d.Name] = &sampleBuf[len(sampleBuf)-1] @@ -214,7 +217,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { m = newBatchHistogram( NewDesc( BuildFQName(namespace, subsystem, name), - d.Description.Description, + help, nil, nil, ), @@ -226,7 +229,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { Namespace: namespace, Subsystem: subsystem, Name: name, - Help: d.Description.Description, + Help: help, }, ) } else { @@ -234,7 +237,7 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { Namespace: namespace, Subsystem: subsystem, Name: name, - Help: d.Description.Description, + Help: help, }) } metricSet = append(metricSet, m) @@ -284,6 +287,10 @@ func NewGoCollector(opts ...func(o *internal.GoCollectorOptions)) Collector { } } +func attachOriginalName(desc, origName string) string { + return fmt.Sprintf("%s Sourced from %s", desc, origName) +} + // Describe returns all descriptions of the collector. func (c *goCollector) Describe(ch chan<- *Desc) { c.base.Describe(ch) @@ -376,13 +383,13 @@ func unwrapScalarRMValue(v metrics.Value) float64 { // // This should never happen because we always populate our metric // set from the runtime/metrics package. - panic("unexpected unsupported metric") + panic("unexpected bad kind metric") default: // Unsupported metric kind. // // This should never happen because we check for this during initialization // and flag and filter metrics whose kinds we don't understand. - panic("unexpected unsupported metric kind") + panic(fmt.Sprintf("unexpected unsupported metric: %v", v.Kind())) } } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go index b5c8bcb395..8d35f2d8ae 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/histogram.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/histogram.go @@ -440,7 +440,7 @@ type HistogramOpts struct { // constant (or any negative float value). NativeHistogramZeroThreshold float64 - // The remaining fields define a strategy to limit the number of + // The next three fields define a strategy to limit the number of // populated sparse buckets. If NativeHistogramMaxBucketNumber is left // at zero, the number of buckets is not limited. (Note that this might // lead to unbounded memory consumption if the values observed by the @@ -473,6 +473,22 @@ type HistogramOpts struct { NativeHistogramMinResetDuration time.Duration NativeHistogramMaxZeroThreshold float64 + // NativeHistogramMaxExemplars limits the number of exemplars + // that are kept in memory for each native histogram. If you leave it at + // zero, a default value of 10 is used. If no exemplars should be kept specifically + // for native histograms, set it to a negative value. (Scrapers can + // still use the exemplars exposed for classic buckets, which are managed + // independently.) + NativeHistogramMaxExemplars int + // NativeHistogramExemplarTTL is only checked once + // NativeHistogramMaxExemplars is exceeded. In that case, the + // oldest exemplar is removed if it is older than NativeHistogramExemplarTTL. + // Otherwise, the older exemplar in the pair of exemplars that are closest + // together (on an exponential scale) is removed. + // If NativeHistogramExemplarTTL is left at its zero value, a default value of + // 5m is used. To always delete the oldest exemplar, set it to a negative value. + NativeHistogramExemplarTTL time.Duration + // now is for testing purposes, by default it's time.Now. now func() time.Time @@ -532,6 +548,7 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr if opts.afterFunc == nil { opts.afterFunc = time.AfterFunc } + h := &histogram{ desc: desc, upperBounds: opts.Buckets, @@ -556,6 +573,7 @@ func newHistogram(desc *Desc, opts HistogramOpts, labelValues ...string) Histogr h.nativeHistogramZeroThreshold = DefNativeHistogramZeroThreshold } // Leave h.nativeHistogramZeroThreshold at 0 otherwise. h.nativeHistogramSchema = pickSchema(opts.NativeHistogramBucketFactor) + h.nativeExemplars = makeNativeExemplars(opts.NativeHistogramExemplarTTL, opts.NativeHistogramMaxExemplars) } for i, upperBound := range h.upperBounds { if i < len(h.upperBounds)-1 { @@ -725,7 +743,8 @@ type histogram struct { // resetScheduled is protected by mtx. It is true if a reset is // scheduled for a later time (when nativeHistogramMinResetDuration has // passed). - resetScheduled bool + resetScheduled bool + nativeExemplars nativeExemplars // now is for testing purposes, by default it's time.Now. now func() time.Time @@ -742,6 +761,9 @@ func (h *histogram) Observe(v float64) { h.observe(v, h.findBucket(v)) } +// ObserveWithExemplar should not be called in a high-frequency setting +// for a native histogram with configured exemplars. For this case, +// the implementation isn't lock-free and might suffer from lock contention. func (h *histogram) ObserveWithExemplar(v float64, e Labels) { i := h.findBucket(v) h.observe(v, i) @@ -821,6 +843,15 @@ func (h *histogram) Write(out *dto.Metric) error { Length: proto.Uint32(0), }} } + + // If exemplars are not configured, the cap will be 0. + // So append is not needed in this case. + if cap(h.nativeExemplars.exemplars) > 0 { + h.nativeExemplars.Lock() + his.Exemplars = append(his.Exemplars, h.nativeExemplars.exemplars...) + h.nativeExemplars.Unlock() + } + } addAndResetCounts(hotCounts, coldCounts) return nil @@ -1091,8 +1122,10 @@ func (h *histogram) resetCounts(counts *histogramCounts) { deleteSyncMap(&counts.nativeHistogramBucketsPositive) } -// updateExemplar replaces the exemplar for the provided bucket. With empty -// labels, it's a no-op. It panics if any of the labels is invalid. +// updateExemplar replaces the exemplar for the provided classic bucket. +// With empty labels, it's a no-op. It panics if any of the labels is invalid. +// If histogram is native, the exemplar will be cached into nativeExemplars, +// which has a limit, and will remove one exemplar when limit is reached. func (h *histogram) updateExemplar(v float64, bucket int, l Labels) { if l == nil { return @@ -1102,6 +1135,10 @@ func (h *histogram) updateExemplar(v float64, bucket int, l Labels) { panic(err) } h.exemplars[bucket].Store(e) + doSparse := h.nativeHistogramSchema > math.MinInt32 && !math.IsNaN(v) + if doSparse { + h.nativeExemplars.addExemplar(e) + } } // HistogramVec is a Collector that bundles a set of Histograms that all share the @@ -1336,6 +1373,48 @@ func MustNewConstHistogram( return m } +// NewConstHistogramWithCreatedTimestamp does the same thing as NewConstHistogram but sets the created timestamp. +func NewConstHistogramWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + ct time.Time, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil { + return nil, err + } + return &constHistogram{ + desc: desc, + count: count, + sum: sum, + buckets: buckets, + labelPairs: MakeLabelPairs(desc, labelValues), + createdTs: timestamppb.New(ct), + }, nil +} + +// MustNewConstHistogramWithCreatedTimestamp is a version of NewConstHistogramWithCreatedTimestamp that panics where +// NewConstHistogramWithCreatedTimestamp would have returned an error. +func MustNewConstHistogramWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + buckets map[float64]uint64, + ct time.Time, + labelValues ...string, +) Metric { + m, err := NewConstHistogramWithCreatedTimestamp(desc, count, sum, buckets, ct, labelValues...) + if err != nil { + panic(err) + } + return m +} + type buckSort []*dto.Bucket func (s buckSort) Len() int { @@ -1575,3 +1654,142 @@ func addAndResetCounts(hot, cold *histogramCounts) { atomic.AddUint64(&hot.nativeHistogramZeroBucket, atomic.LoadUint64(&cold.nativeHistogramZeroBucket)) atomic.StoreUint64(&cold.nativeHistogramZeroBucket, 0) } + +type nativeExemplars struct { + sync.Mutex + + ttl time.Duration + exemplars []*dto.Exemplar +} + +func makeNativeExemplars(ttl time.Duration, maxCount int) nativeExemplars { + if ttl == 0 { + ttl = 5 * time.Minute + } + + if maxCount == 0 { + maxCount = 10 + } + + if maxCount < 0 { + maxCount = 0 + } + + return nativeExemplars{ + ttl: ttl, + exemplars: make([]*dto.Exemplar, 0, maxCount), + } +} + +func (n *nativeExemplars) addExemplar(e *dto.Exemplar) { + if cap(n.exemplars) == 0 { + return + } + + n.Lock() + defer n.Unlock() + + // The index where to insert the new exemplar. + var nIdx int = -1 + + // When the number of exemplars has not yet exceeded or + // is equal to cap(n.exemplars), then + // insert the new exemplar directly. + if len(n.exemplars) < cap(n.exemplars) { + for nIdx = 0; nIdx < len(n.exemplars); nIdx++ { + if *e.Value < *n.exemplars[nIdx].Value { + break + } + } + n.exemplars = append(n.exemplars[:nIdx], append([]*dto.Exemplar{e}, n.exemplars[nIdx:]...)...) + return + } + + // When the number of exemplars exceeds the limit, remove one exemplar. + var ( + rIdx int // The index where to remove the old exemplar. + + ot = time.Now() // Oldest timestamp seen. + otIdx = -1 // Index of the exemplar with the oldest timestamp. + + md = -1.0 // Logarithm of the delta of the closest pair of exemplars. + mdIdx = -1 // Index of the older exemplar within the closest pair. + cLog float64 // Logarithm of the current exemplar. + pLog float64 // Logarithm of the previous exemplar. + ) + + for i, exemplar := range n.exemplars { + // Find the exemplar with the oldest timestamp. + if otIdx == -1 || exemplar.Timestamp.AsTime().Before(ot) { + ot = exemplar.Timestamp.AsTime() + otIdx = i + } + + // Find the index at which to insert new the exemplar. + if *e.Value <= *exemplar.Value && nIdx == -1 { + nIdx = i + } + + // Find the two closest exemplars and pick the one the with older timestamp. + pLog = cLog + cLog = math.Log(exemplar.GetValue()) + if i == 0 { + continue + } + diff := math.Abs(cLog - pLog) + if md == -1 || diff < md { + md = diff + if n.exemplars[i].Timestamp.AsTime().Before(n.exemplars[i-1].Timestamp.AsTime()) { + mdIdx = i + } else { + mdIdx = i - 1 + } + } + + } + + // If all existing exemplar are smaller than new exemplar, + // then the exemplar should be inserted at the end. + if nIdx == -1 { + nIdx = len(n.exemplars) + } + + if otIdx != -1 && e.Timestamp.AsTime().Sub(ot) > n.ttl { + rIdx = otIdx + } else { + // In the previous for loop, when calculating the closest pair of exemplars, + // we did not take into account the newly inserted exemplar. + // So we need to calculate with the newly inserted exemplar again. + elog := math.Log(e.GetValue()) + if nIdx > 0 { + diff := math.Abs(elog - math.Log(n.exemplars[nIdx-1].GetValue())) + if diff < md { + md = diff + mdIdx = nIdx + if n.exemplars[nIdx-1].Timestamp.AsTime().Before(e.Timestamp.AsTime()) { + mdIdx = nIdx - 1 + } + } + } + if nIdx < len(n.exemplars) { + diff := math.Abs(math.Log(n.exemplars[nIdx].GetValue()) - elog) + if diff < md { + mdIdx = nIdx + if n.exemplars[nIdx].Timestamp.AsTime().Before(e.Timestamp.AsTime()) { + mdIdx = nIdx + } + } + } + rIdx = mdIdx + } + + // Adjust the slice according to rIdx and nIdx. + switch { + case rIdx == nIdx: + n.exemplars[nIdx] = e + case rIdx < nIdx: + n.exemplars = append(n.exemplars[:rIdx], append(n.exemplars[rIdx+1:nIdx], append([]*dto.Exemplar{e}, n.exemplars[nIdx:]...)...)...) + case rIdx > nIdx: + n.exemplars = append(n.exemplars[:nIdx], append([]*dto.Exemplar{e}, append(n.exemplars[nIdx:rIdx], n.exemplars[rIdx+1:]...)...)...) + } +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go b/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go index 723b45d644..a4fa6eabd7 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/internal/go_collector_options.go @@ -30,3 +30,5 @@ type GoCollectorOptions struct { RuntimeMetricSumForHist map[string]string RuntimeMetricRules []GoCollectorRule } + +var GoCollectorDefaultRuntimeMetrics = regexp.MustCompile(`/gc/gogc:percent|/gc/gomemlimit:bytes|/sched/gomaxprocs:threads`) diff --git a/vendor/github.com/prometheus/client_golang/prometheus/metric.go b/vendor/github.com/prometheus/client_golang/prometheus/metric.go index f018e57237..9d9b81ab44 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/metric.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/metric.go @@ -234,7 +234,7 @@ func NewMetricWithExemplars(m Metric, exemplars ...Exemplar) (Metric, error) { ) for i, e := range exemplars { ts := e.Timestamp - if ts == (time.Time{}) { + if ts.IsZero() { ts = now } exs[i], err = newExemplar(e.Value, ts, e.Labels) diff --git a/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go b/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go index 8548dd18ed..efbc3ea8fb 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector.go @@ -22,14 +22,15 @@ import ( ) type processCollector struct { - collectFn func(chan<- Metric) - pidFn func() (int, error) - reportErrors bool - cpuTotal *Desc - openFDs, maxFDs *Desc - vsize, maxVsize *Desc - rss *Desc - startTime *Desc + collectFn func(chan<- Metric) + pidFn func() (int, error) + reportErrors bool + cpuTotal *Desc + openFDs, maxFDs *Desc + vsize, maxVsize *Desc + rss *Desc + startTime *Desc + inBytes, outBytes *Desc } // ProcessCollectorOpts defines the behavior of a process metrics collector @@ -100,6 +101,16 @@ func NewProcessCollector(opts ProcessCollectorOpts) Collector { "Start time of the process since unix epoch in seconds.", nil, nil, ), + inBytes: NewDesc( + ns+"process_network_receive_bytes_total", + "Number of bytes received by the process over the network.", + nil, nil, + ), + outBytes: NewDesc( + ns+"process_network_transmit_bytes_total", + "Number of bytes sent by the process over the network.", + nil, nil, + ), } if opts.PidFn == nil { diff --git a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go index 8c1136ceea..14d56d2d06 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/process_collector_other.go @@ -63,4 +63,18 @@ func (c *processCollector) processCollect(ch chan<- Metric) { } else { c.reportError(ch, nil, err) } + + if netstat, err := p.Netstat(); err == nil { + var inOctets, outOctets float64 + if netstat.IpExt.InOctets != nil { + inOctets = *netstat.IpExt.InOctets + } + if netstat.IpExt.OutOctets != nil { + outOctets = *netstat.IpExt.OutOctets + } + ch <- MustNewConstMetric(c.inBytes, CounterValue, inOctets) + ch <- MustNewConstMetric(c.outBytes, CounterValue, outOctets) + } else { + c.reportError(ch, nil, err) + } } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go index 9819917b83..315eab5f17 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator.go @@ -76,6 +76,12 @@ func (r *responseWriterDelegator) Write(b []byte) (int, error) { return n, err } +// Unwrap lets http.ResponseController get the underlying http.ResponseWriter, +// by implementing the [rwUnwrapper](https://cs.opensource.google/go/go/+/refs/tags/go1.21.4:src/net/http/responsecontroller.go;l=42-44) interface. +func (r *responseWriterDelegator) Unwrap() http.ResponseWriter { + return r.ResponseWriter +} + type ( closeNotifierDelegator struct{ *responseWriterDelegator } flusherDelegator struct{ *responseWriterDelegator } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go index 09b8d2fbea..2e0b9a8648 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/http.go @@ -38,12 +38,13 @@ import ( "io" "net/http" "strconv" - "strings" "sync" "time" + "github.com/klauspost/compress/zstd" "github.com/prometheus/common/expfmt" + "github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil" "github.com/prometheus/client_golang/prometheus" ) @@ -54,6 +55,18 @@ const ( processStartTimeHeader = "Process-Start-Time-Unix" ) +// Compression represents the content encodings handlers support for the HTTP +// responses. +type Compression string + +const ( + Identity Compression = "identity" + Gzip Compression = "gzip" + Zstd Compression = "zstd" +) + +var defaultCompressionFormats = []Compression{Identity, Gzip, Zstd} + var gzipPool = sync.Pool{ New: func() interface{} { return gzip.NewWriter(nil) @@ -122,6 +135,18 @@ func HandlerForTransactional(reg prometheus.TransactionalGatherer, opts HandlerO } } + // Select compression formats to offer based on default or user choice. + var compressions []string + if !opts.DisableCompression { + offers := defaultCompressionFormats + if len(opts.OfferedCompressions) > 0 { + offers = opts.OfferedCompressions + } + for _, comp := range offers { + compressions = append(compressions, string(comp)) + } + } + h := http.HandlerFunc(func(rsp http.ResponseWriter, req *http.Request) { if !opts.ProcessStartTime.IsZero() { rsp.Header().Set(processStartTimeHeader, strconv.FormatInt(opts.ProcessStartTime.Unix(), 10)) @@ -165,20 +190,20 @@ func HandlerForTransactional(reg prometheus.TransactionalGatherer, opts HandlerO } else { contentType = expfmt.Negotiate(req.Header) } - header := rsp.Header() - header.Set(contentTypeHeader, string(contentType)) + rsp.Header().Set(contentTypeHeader, string(contentType)) - w := io.Writer(rsp) - if !opts.DisableCompression && gzipAccepted(req.Header) { - header.Set(contentEncodingHeader, "gzip") - gz := gzipPool.Get().(*gzip.Writer) - defer gzipPool.Put(gz) + w, encodingHeader, closeWriter, err := negotiateEncodingWriter(req, rsp, compressions) + if err != nil { + if opts.ErrorLog != nil { + opts.ErrorLog.Println("error getting writer", err) + } + w = io.Writer(rsp) + encodingHeader = string(Identity) + } - gz.Reset(w) - defer gz.Close() + defer closeWriter() - w = gz - } + rsp.Header().Set(contentEncodingHeader, encodingHeader) enc := expfmt.NewEncoder(w, contentType) @@ -343,9 +368,19 @@ type HandlerOpts struct { // no effect on the HTTP status code because ErrorHandling is set to // ContinueOnError. Registry prometheus.Registerer - // If DisableCompression is true, the handler will never compress the - // response, even if requested by the client. + // DisableCompression disables the response encoding (compression) and + // encoding negotiation. If true, the handler will + // never compress the response, even if requested + // by the client and the OfferedCompressions field is set. DisableCompression bool + // OfferedCompressions is a set of encodings (compressions) handler will + // try to offer when negotiating with the client. This defaults to identity, gzip + // and zstd. + // NOTE: If handler can't agree with the client on the encodings or + // unsupported or empty encodings are set in OfferedCompressions, + // handler always fallbacks to no compression (identity), for + // compatibility reasons. In such cases ErrorLog will be used if set. + OfferedCompressions []Compression // The number of concurrent HTTP requests is limited to // MaxRequestsInFlight. Additional requests are responded to with 503 // Service Unavailable and a suitable message in the body. If @@ -381,19 +416,6 @@ type HandlerOpts struct { ProcessStartTime time.Time } -// gzipAccepted returns whether the client will accept gzip-encoded content. -func gzipAccepted(header http.Header) bool { - a := header.Get(acceptEncodingHeader) - parts := strings.Split(a, ",") - for _, part := range parts { - part = strings.TrimSpace(part) - if part == "gzip" || strings.HasPrefix(part, "gzip;") { - return true - } - } - return false -} - // httpError removes any content-encoding header and then calls http.Error with // the provided error and http.StatusInternalServerError. Error contents is // supposed to be uncompressed plain text. Same as with a plain http.Error, this @@ -406,3 +428,38 @@ func httpError(rsp http.ResponseWriter, err error) { http.StatusInternalServerError, ) } + +// negotiateEncodingWriter reads the Accept-Encoding header from a request and +// selects the right compression based on an allow-list of supported +// compressions. It returns a writer implementing the compression and an the +// correct value that the caller can set in the response header. +func negotiateEncodingWriter(r *http.Request, rw io.Writer, compressions []string) (_ io.Writer, encodingHeaderValue string, closeWriter func(), _ error) { + if len(compressions) == 0 { + return rw, string(Identity), func() {}, nil + } + + // TODO(mrueg): Replace internal/github.com/gddo once https://github.com/golang/go/issues/19307 is implemented. + selected := httputil.NegotiateContentEncoding(r, compressions) + + switch selected { + case "zstd": + // TODO(mrueg): Replace klauspost/compress with stdlib implementation once https://github.com/golang/go/issues/62513 is implemented. + z, err := zstd.NewWriter(rw, zstd.WithEncoderLevel(zstd.SpeedFastest)) + if err != nil { + return nil, "", func() {}, err + } + + z.Reset(rw) + return z, selected, func() { _ = z.Close() }, nil + case "gzip": + gz := gzipPool.Get().(*gzip.Writer) + gz.Reset(rw) + return gz, selected, func() { _ = gz.Close(); gzipPool.Put(gz) }, nil + case "identity": + // This means the content is not compressed. + return rw, selected, func() {}, nil + default: + // The content encoding was not implemented yet. + return nil, "", func() {}, fmt.Errorf("content compression format not recognized: %s. Valid formats are: %s", selected, defaultCompressionFormats) + } +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/registry.go b/vendor/github.com/prometheus/client_golang/prometheus/registry.go index 5e2ced25a0..c6fd2f58b7 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/registry.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/registry.go @@ -314,16 +314,17 @@ func (r *Registry) Register(c Collector) error { if dimHash != desc.dimHash { return fmt.Errorf("a previously registered descriptor with the same fully-qualified name as %s has different label names or a different help string", desc) } - } else { - // ...then check the new descriptors already seen. - if dimHash, exists := newDimHashesByName[desc.fqName]; exists { - if dimHash != desc.dimHash { - return fmt.Errorf("descriptors reported by collector have inconsistent label names or help strings for the same fully-qualified name, offender is %s", desc) - } - } else { - newDimHashesByName[desc.fqName] = desc.dimHash + continue + } + + // ...then check the new descriptors already seen. + if dimHash, exists := newDimHashesByName[desc.fqName]; exists { + if dimHash != desc.dimHash { + return fmt.Errorf("descriptors reported by collector have inconsistent label names or help strings for the same fully-qualified name, offender is %s", desc) } + continue } + newDimHashesByName[desc.fqName] = desc.dimHash } // A Collector yielding no Desc at all is considered unchecked. if len(newDescIDs) == 0 { diff --git a/vendor/github.com/prometheus/client_golang/prometheus/summary.go b/vendor/github.com/prometheus/client_golang/prometheus/summary.go index 1462704446..1ab0e47965 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/summary.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/summary.go @@ -783,3 +783,45 @@ func MustNewConstSummary( } return m } + +// NewConstSummaryWithCreatedTimestamp does the same thing as NewConstSummary but sets the created timestamp. +func NewConstSummaryWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + ct time.Time, + labelValues ...string, +) (Metric, error) { + if desc.err != nil { + return nil, desc.err + } + if err := validateLabelValues(labelValues, len(desc.variableLabels.names)); err != nil { + return nil, err + } + return &constSummary{ + desc: desc, + count: count, + sum: sum, + quantiles: quantiles, + labelPairs: MakeLabelPairs(desc, labelValues), + createdTs: timestamppb.New(ct), + }, nil +} + +// MustNewConstSummaryWithCreatedTimestamp is a version of NewConstSummaryWithCreatedTimestamp that panics where +// NewConstSummaryWithCreatedTimestamp would have returned an error. +func MustNewConstSummaryWithCreatedTimestamp( + desc *Desc, + count uint64, + sum float64, + quantiles map[float64]float64, + ct time.Time, + labelValues ...string, +) Metric { + m, err := NewConstSummaryWithCreatedTimestamp(desc, count, sum, quantiles, ct, labelValues...) + if err != nil { + panic(err) + } + return m +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validation.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validation.go index f52ad9eab6..e1441598da 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validation.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validation.go @@ -30,4 +30,5 @@ var defaultValidations = []Validation{ validations.LintReservedChars, validations.LintCamelCase, validations.LintUnitAbbreviations, + validations.LintDuplicateMetric, } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/duplicate_validations.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/duplicate_validations.go new file mode 100644 index 0000000000..fdc1e62394 --- /dev/null +++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/duplicate_validations.go @@ -0,0 +1,37 @@ +// Copyright 2024 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package validations + +import ( + "fmt" + "reflect" + + dto "github.com/prometheus/client_model/go" +) + +// LintDuplicateMetric detects duplicate metric. +func LintDuplicateMetric(mf *dto.MetricFamily) []error { + var problems []error + + for i, m := range mf.Metric { + for _, k := range mf.Metric[i+1:] { + if reflect.DeepEqual(m.Label, k.Label) { + problems = append(problems, fmt.Errorf("metric not unique")) + break + } + } + } + + return problems +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/generic_name_validations.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/generic_name_validations.go index bc8dbd1e16..de52cfee44 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/generic_name_validations.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/promlint/validations/generic_name_validations.go @@ -44,21 +44,21 @@ func LintMetricUnits(mf *dto.MetricFamily) []error { return problems } -// LintMetricTypeInName detects when metric types are included in the metric name. +// LintMetricTypeInName detects when the metric type is included in the metric name. func LintMetricTypeInName(mf *dto.MetricFamily) []error { + if mf.GetType() == dto.MetricType_UNTYPED { + return nil + } + var problems []error - n := strings.ToLower(mf.GetName()) - for i, t := range dto.MetricType_name { - if i == int32(dto.MetricType_UNTYPED) { - continue - } + n := strings.ToLower(mf.GetName()) + typename := strings.ToLower(mf.GetType().String()) - typename := strings.ToLower(t) - if strings.Contains(n, "_"+typename+"_") || strings.HasSuffix(n, "_"+typename) { - problems = append(problems, fmt.Errorf(`metric name should not include type '%s'`, typename)) - } + if strings.Contains(n, "_"+typename+"_") || strings.HasSuffix(n, "_"+typename) { + problems = append(problems, fmt.Errorf(`metric name should not include type '%s'`, typename)) } + return problems } diff --git a/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go b/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go index 9dce15eafa..e0ac346665 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/testutil/testutil.go @@ -42,9 +42,8 @@ import ( "fmt" "io" "net/http" - "reflect" - "github.com/davecgh/go-spew/spew" + "github.com/kylelemons/godebug/diff" dto "github.com/prometheus/client_model/go" "github.com/prometheus/common/expfmt" "google.golang.org/protobuf/proto" @@ -184,9 +183,8 @@ func ScrapeAndCompare(url string, expected io.Reader, metricNames ...string) err return compareMetricFamilies(scraped, wanted, metricNames...) } -// CollectAndCompare registers the provided Collector with a newly created -// pedantic Registry. It then calls GatherAndCompare with that Registry and with -// the provided metricNames. +// CollectAndCompare collects the metrics identified by `metricNames` and compares them in the Prometheus text +// exposition format to the data read from expected. func CollectAndCompare(c prometheus.Collector, expected io.Reader, metricNames ...string) error { reg := prometheus.NewPedanticRegistry() if err := reg.Register(c); err != nil { @@ -222,6 +220,31 @@ func TransactionalGatherAndCompare(g prometheus.TransactionalGatherer, expected return compareMetricFamilies(got, wanted, metricNames...) } +// CollectAndFormat collects the metrics identified by `metricNames` and returns them in the given format. +func CollectAndFormat(c prometheus.Collector, format expfmt.FormatType, metricNames ...string) ([]byte, error) { + reg := prometheus.NewPedanticRegistry() + if err := reg.Register(c); err != nil { + return nil, fmt.Errorf("registering collector failed: %w", err) + } + + gotFiltered, err := reg.Gather() + if err != nil { + return nil, fmt.Errorf("gathering metrics failed: %w", err) + } + + gotFiltered = filterMetrics(gotFiltered, metricNames) + + var gotFormatted bytes.Buffer + enc := expfmt.NewEncoder(&gotFormatted, expfmt.NewFormat(format)) + for _, mf := range gotFiltered { + if err := enc.Encode(mf); err != nil { + return nil, fmt.Errorf("encoding gathered metrics failed: %w", err) + } + } + + return gotFormatted.Bytes(), nil +} + // convertReaderToMetricFamily would read from a io.Reader object and convert it to a slice of // dto.MetricFamily. func convertReaderToMetricFamily(reader io.Reader) ([]*dto.MetricFamily, error) { @@ -254,6 +277,15 @@ func compareMetricFamilies(got, expected []*dto.MetricFamily, metricNames ...str if metricNames != nil { got = filterMetrics(got, metricNames) expected = filterMetrics(expected, metricNames) + if len(metricNames) > len(got) { + var missingMetricNames []string + for _, name := range metricNames { + if ok := hasMetricByName(got, name); !ok { + missingMetricNames = append(missingMetricNames, name) + } + } + return fmt.Errorf("expected metric name(s) not found: %v", missingMetricNames) + } } return compare(got, expected) @@ -277,73 +309,12 @@ func compare(got, want []*dto.MetricFamily) error { return fmt.Errorf("encoding expected metrics failed: %w", err) } } - if diffErr := diff(wantBuf, gotBuf); diffErr != "" { + if diffErr := diff.Diff(gotBuf.String(), wantBuf.String()); diffErr != "" { return fmt.Errorf(diffErr) } return nil } -// diff returns a diff of both values as long as both are of the same type and -// are a struct, map, slice, array or string. Otherwise it returns an empty string. -func diff(expected, actual interface{}) string { - if expected == nil || actual == nil { - return "" - } - - et, ek := typeAndKind(expected) - at, _ := typeAndKind(actual) - if et != at { - return "" - } - - if ek != reflect.Struct && ek != reflect.Map && ek != reflect.Slice && ek != reflect.Array && ek != reflect.String { - return "" - } - - var e, a string - c := spew.ConfigState{ - Indent: " ", - DisablePointerAddresses: true, - DisableCapacities: true, - SortKeys: true, - } - if et != reflect.TypeOf("") { - e = c.Sdump(expected) - a = c.Sdump(actual) - } else { - e = reflect.ValueOf(expected).String() - a = reflect.ValueOf(actual).String() - } - - diff, _ := internal.GetUnifiedDiffString(internal.UnifiedDiff{ - A: internal.SplitLines(e), - B: internal.SplitLines(a), - FromFile: "metric output does not match expectation; want", - FromDate: "", - ToFile: "got:", - ToDate: "", - Context: 1, - }) - - if diff == "" { - return "" - } - - return "\n\nDiff:\n" + diff -} - -// typeAndKind returns the type and kind of the given interface{} -func typeAndKind(v interface{}) (reflect.Type, reflect.Kind) { - t := reflect.TypeOf(v) - k := t.Kind() - - if k == reflect.Ptr { - t = t.Elem() - k = t.Kind() - } - return t, k -} - func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFamily { var filtered []*dto.MetricFamily for _, m := range metrics { @@ -356,3 +327,12 @@ func filterMetrics(metrics []*dto.MetricFamily, names []string) []*dto.MetricFam } return filtered } + +func hasMetricByName(metrics []*dto.MetricFamily, name string) bool { + for _, mf := range metrics { + if mf.GetName() == name { + return true + } + } + return false +} diff --git a/vendor/github.com/prometheus/client_golang/prometheus/vec.go b/vendor/github.com/prometheus/client_golang/prometheus/vec.go index 955cfd59f8..2c808eece0 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/vec.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/vec.go @@ -507,7 +507,7 @@ func (m *metricMap) getOrCreateMetricWithLabelValues( return metric } -// getOrCreateMetricWithLabelValues retrieves the metric by hash and label value +// getOrCreateMetricWithLabels retrieves the metric by hash and label value // or creates it and returns the new one. // // This function holds the mutex. diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go index 25cfaa2164..1448439b7f 100644 --- a/vendor/github.com/prometheus/common/expfmt/decode.go +++ b/vendor/github.com/prometheus/common/expfmt/decode.go @@ -45,7 +45,7 @@ func ResponseFormat(h http.Header) Format { mediatype, params, err := mime.ParseMediaType(ct) if err != nil { - return fmtUnknown + return FmtUnknown } const textType = "text/plain" @@ -53,21 +53,21 @@ func ResponseFormat(h http.Header) Format { switch mediatype { case ProtoType: if p, ok := params["proto"]; ok && p != ProtoProtocol { - return fmtUnknown + return FmtUnknown } if e, ok := params["encoding"]; ok && e != "delimited" { - return fmtUnknown + return FmtUnknown } - return fmtProtoDelim + return FmtProtoDelim case textType: if v, ok := params["version"]; ok && v != TextVersion { - return fmtUnknown + return FmtUnknown } - return fmtText + return FmtText } - return fmtUnknown + return FmtUnknown } // NewDecoder returns a new decoder based on the given input format. diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go index ff5ef7a9d9..cf0c150c2e 100644 --- a/vendor/github.com/prometheus/common/expfmt/encode.go +++ b/vendor/github.com/prometheus/common/expfmt/encode.go @@ -77,18 +77,18 @@ func Negotiate(h http.Header) Format { if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { switch ac.Params["encoding"] { case "delimited": - return fmtProtoDelim + escapingScheme + return FmtProtoDelim + escapingScheme case "text": - return fmtProtoText + escapingScheme + return FmtProtoText + escapingScheme case "compact-text": - return fmtProtoCompact + escapingScheme + return FmtProtoCompact + escapingScheme } } if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { - return fmtText + escapingScheme + return FmtText + escapingScheme } } - return fmtText + escapingScheme + return FmtText + escapingScheme } // NegotiateIncludingOpenMetrics works like Negotiate but includes @@ -110,26 +110,26 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format { if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { switch ac.Params["encoding"] { case "delimited": - return fmtProtoDelim + escapingScheme + return FmtProtoDelim + escapingScheme case "text": - return fmtProtoText + escapingScheme + return FmtProtoText + escapingScheme case "compact-text": - return fmtProtoCompact + escapingScheme + return FmtProtoCompact + escapingScheme } } if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { - return fmtText + escapingScheme + return FmtText + escapingScheme } if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") { switch ver { case OpenMetricsVersion_1_0_0: - return fmtOpenMetrics_1_0_0 + escapingScheme + return FmtOpenMetrics_1_0_0 + escapingScheme default: - return fmtOpenMetrics_0_0_1 + escapingScheme + return FmtOpenMetrics_0_0_1 + escapingScheme } } } - return fmtText + escapingScheme + return FmtText + escapingScheme } // NewEncoder returns a new encoder based on content type negotiation. All diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go index 051b38cd17..d942af8edd 100644 --- a/vendor/github.com/prometheus/common/expfmt/expfmt.go +++ b/vendor/github.com/prometheus/common/expfmt/expfmt.go @@ -32,24 +32,31 @@ type Format string // it on the wire, new content-type strings will have to be agreed upon and // added here. const ( - TextVersion = "0.0.4" - ProtoType = `application/vnd.google.protobuf` - ProtoProtocol = `io.prometheus.client.MetricFamily` - protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" + TextVersion = "0.0.4" + ProtoType = `application/vnd.google.protobuf` + ProtoProtocol = `io.prometheus.client.MetricFamily` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead. + ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" OpenMetricsType = `application/openmetrics-text` OpenMetricsVersion_0_0_1 = "0.0.1" OpenMetricsVersion_1_0_0 = "1.0.0" - // The Content-Type values for the different wire protocols. Note that these - // values are now unexported. If code was relying on comparisons to these - // constants, instead use FormatType(). - fmtUnknown Format = `` - fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` - fmtProtoDelim Format = protoFmt + ` encoding=delimited` - fmtProtoText Format = protoFmt + ` encoding=text` - fmtProtoCompact Format = protoFmt + ` encoding=compact-text` - fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` - fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` + // The Content-Type values for the different wire protocols. Do not do direct + // comparisons to these constants, instead use the comparison functions. + // Deprecated: Use expfmt.NewFormat(expfmt.TypeUnknown) instead. + FmtUnknown Format = `` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeTextPlain) instead. + FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoDelim) instead. + FmtProtoDelim Format = ProtoFmt + ` encoding=delimited` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoText) instead. + FmtProtoText Format = ProtoFmt + ` encoding=text` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeProtoCompact) instead. + FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead. + FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` + // Deprecated: Use expfmt.NewFormat(expfmt.TypeOpenMetrics) instead. + FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` ) const ( @@ -79,17 +86,17 @@ const ( func NewFormat(t FormatType) Format { switch t { case TypeProtoCompact: - return fmtProtoCompact + return FmtProtoCompact case TypeProtoDelim: - return fmtProtoDelim + return FmtProtoDelim case TypeProtoText: - return fmtProtoText + return FmtProtoText case TypeTextPlain: - return fmtText + return FmtText case TypeOpenMetrics: - return fmtOpenMetrics_1_0_0 + return FmtOpenMetrics_1_0_0 default: - return fmtUnknown + return FmtUnknown } } @@ -97,12 +104,35 @@ func NewFormat(t FormatType) Format { // specified version number. func NewOpenMetricsFormat(version string) (Format, error) { if version == OpenMetricsVersion_0_0_1 { - return fmtOpenMetrics_0_0_1, nil + return FmtOpenMetrics_0_0_1, nil } if version == OpenMetricsVersion_1_0_0 { - return fmtOpenMetrics_1_0_0, nil + return FmtOpenMetrics_1_0_0, nil } - return fmtUnknown, fmt.Errorf("unknown open metrics version string") + return FmtUnknown, fmt.Errorf("unknown open metrics version string") +} + +// WithEscapingScheme returns a copy of Format with the specified escaping +// scheme appended to the end. If an escaping scheme already exists it is +// removed. +func (f Format) WithEscapingScheme(s model.EscapingScheme) Format { + var terms []string + for _, p := range strings.Split(string(f), ";") { + toks := strings.Split(p, "=") + if len(toks) != 2 { + trimmed := strings.TrimSpace(p) + if len(trimmed) > 0 { + terms = append(terms, trimmed) + } + continue + } + key := strings.TrimSpace(toks[0]) + if key != model.EscapingKey { + terms = append(terms, strings.TrimSpace(p)) + } + } + terms = append(terms, model.EscapingKey+"="+s.String()) + return Format(strings.Join(terms, "; ")) } // FormatType deduces an overall FormatType for the given format. diff --git a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go index 353c5e93f9..11c8ff4b9d 100644 --- a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go +++ b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go @@ -477,7 +477,7 @@ func writeOpenMetricsNameAndLabelPairs( if name != "" { // If the name does not pass the legacy validity check, we must put the // metric name inside the braces, quoted. - if !model.IsValidLegacyMetricName(model.LabelValue(name)) { + if !model.IsValidLegacyMetricName(name) { metricInsideBraces = true err := w.WriteByte(separator) written++ diff --git a/vendor/github.com/prometheus/common/expfmt/text_create.go b/vendor/github.com/prometheus/common/expfmt/text_create.go index f9b8265a9e..4b86434b33 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_create.go +++ b/vendor/github.com/prometheus/common/expfmt/text_create.go @@ -354,7 +354,7 @@ func writeNameAndLabelPairs( if name != "" { // If the name does not pass the legacy validity check, we must put the // metric name inside the braces. - if !model.IsValidLegacyMetricName(model.LabelValue(name)) { + if !model.IsValidLegacyMetricName(name) { metricInsideBraces = true err := w.WriteByte(separator) written++ @@ -498,7 +498,7 @@ func writeInt(w enhancedWriter, i int64) (int, error) { // writeName writes a string as-is if it complies with the legacy naming // scheme, or escapes it in double quotes if not. func writeName(w enhancedWriter, name string) (int, error) { - if model.IsValidLegacyMetricName(model.LabelValue(name)) { + if model.IsValidLegacyMetricName(name) { return w.WriteString(name) } var written int diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go index 26490211af..f085a923f6 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_parse.go +++ b/vendor/github.com/prometheus/common/expfmt/text_parse.go @@ -22,9 +22,9 @@ import ( "math" "strconv" "strings" + "unicode/utf8" dto "github.com/prometheus/client_model/go" - "google.golang.org/protobuf/proto" "github.com/prometheus/common/model" @@ -60,6 +60,7 @@ type TextParser struct { currentMF *dto.MetricFamily currentMetric *dto.Metric currentLabelPair *dto.LabelPair + currentLabelPairs []*dto.LabelPair // Temporarily stores label pairs while parsing a metric line. // The remaining member variables are only used for summaries/histograms. currentLabels map[string]string // All labels including '__name__' but excluding 'quantile'/'le' @@ -74,6 +75,9 @@ type TextParser struct { // count and sum of that summary/histogram. currentIsSummaryCount, currentIsSummarySum bool currentIsHistogramCount, currentIsHistogramSum bool + // These indicate if the metric name from the current line being parsed is inside + // braces and if that metric name was found respectively. + currentMetricIsInsideBraces, currentMetricInsideBracesIsPresent bool } // TextToMetricFamilies reads 'in' as the simple and flat text-based exchange @@ -137,12 +141,15 @@ func (p *TextParser) reset(in io.Reader) { } p.currentQuantile = math.NaN() p.currentBucket = math.NaN() + p.currentMF = nil } // startOfLine represents the state where the next byte read from p.buf is the // start of a line (or whitespace leading up to it). func (p *TextParser) startOfLine() stateFn { p.lineCount++ + p.currentMetricIsInsideBraces = false + p.currentMetricInsideBracesIsPresent = false if p.skipBlankTab(); p.err != nil { // This is the only place that we expect to see io.EOF, // which is not an error but the signal that we are done. @@ -158,6 +165,9 @@ func (p *TextParser) startOfLine() stateFn { return p.startComment case '\n': return p.startOfLine // Empty line, start the next one. + case '{': + p.currentMetricIsInsideBraces = true + return p.readingLabels } return p.readingMetricName } @@ -275,6 +285,8 @@ func (p *TextParser) startLabelName() stateFn { return nil // Unexpected end of input. } if p.currentByte == '}' { + p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...) + p.currentLabelPairs = nil if p.skipBlankTab(); p.err != nil { return nil // Unexpected end of input. } @@ -287,6 +299,45 @@ func (p *TextParser) startLabelName() stateFn { p.parseError(fmt.Sprintf("invalid label name for metric %q", p.currentMF.GetName())) return nil } + if p.skipBlankTabIfCurrentBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + if p.currentByte != '=' { + if p.currentMetricIsInsideBraces { + if p.currentMetricInsideBracesIsPresent { + p.parseError(fmt.Sprintf("multiple metric names for metric %q", p.currentMF.GetName())) + return nil + } + switch p.currentByte { + case ',': + p.setOrCreateCurrentMF() + if p.currentMF.Type == nil { + p.currentMF.Type = dto.MetricType_UNTYPED.Enum() + } + p.currentMetric = &dto.Metric{} + p.currentMetricInsideBracesIsPresent = true + return p.startLabelName + case '}': + p.setOrCreateCurrentMF() + if p.currentMF.Type == nil { + p.currentMF.Type = dto.MetricType_UNTYPED.Enum() + } + p.currentMetric = &dto.Metric{} + p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...) + p.currentLabelPairs = nil + if p.skipBlankTab(); p.err != nil { + return nil // Unexpected end of input. + } + return p.readingValue + default: + p.parseError(fmt.Sprintf("unexpected end of metric name %q", p.currentByte)) + return nil + } + } + p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte)) + p.currentLabelPairs = nil + return nil + } p.currentLabelPair = &dto.LabelPair{Name: proto.String(p.currentToken.String())} if p.currentLabelPair.GetName() == string(model.MetricNameLabel) { p.parseError(fmt.Sprintf("label name %q is reserved", model.MetricNameLabel)) @@ -296,23 +347,17 @@ func (p *TextParser) startLabelName() stateFn { // labels to 'real' labels. if !(p.currentMF.GetType() == dto.MetricType_SUMMARY && p.currentLabelPair.GetName() == model.QuantileLabel) && !(p.currentMF.GetType() == dto.MetricType_HISTOGRAM && p.currentLabelPair.GetName() == model.BucketLabel) { - p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPair) - } - if p.skipBlankTabIfCurrentBlankTab(); p.err != nil { - return nil // Unexpected end of input. - } - if p.currentByte != '=' { - p.parseError(fmt.Sprintf("expected '=' after label name, found %q", p.currentByte)) - return nil + p.currentLabelPairs = append(p.currentLabelPairs, p.currentLabelPair) } // Check for duplicate label names. labels := make(map[string]struct{}) - for _, l := range p.currentMetric.Label { + for _, l := range p.currentLabelPairs { lName := l.GetName() if _, exists := labels[lName]; !exists { labels[lName] = struct{}{} } else { p.parseError(fmt.Sprintf("duplicate label names for metric %q", p.currentMF.GetName())) + p.currentLabelPairs = nil return nil } } @@ -345,6 +390,7 @@ func (p *TextParser) startLabelValue() stateFn { if p.currentQuantile, p.err = parseFloat(p.currentLabelPair.GetValue()); p.err != nil { // Create a more helpful error message. p.parseError(fmt.Sprintf("expected float as value for 'quantile' label, got %q", p.currentLabelPair.GetValue())) + p.currentLabelPairs = nil return nil } } else { @@ -371,12 +417,19 @@ func (p *TextParser) startLabelValue() stateFn { return p.startLabelName case '}': + if p.currentMF == nil { + p.parseError("invalid metric name") + return nil + } + p.currentMetric.Label = append(p.currentMetric.Label, p.currentLabelPairs...) + p.currentLabelPairs = nil if p.skipBlankTab(); p.err != nil { return nil // Unexpected end of input. } return p.readingValue default: p.parseError(fmt.Sprintf("unexpected end of label value %q", p.currentLabelPair.GetValue())) + p.currentLabelPairs = nil return nil } } @@ -585,6 +638,8 @@ func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) { p.currentToken.WriteByte(p.currentByte) case 'n': p.currentToken.WriteByte('\n') + case '"': + p.currentToken.WriteByte('"') default: p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) return @@ -610,13 +665,45 @@ func (p *TextParser) readTokenUntilNewline(recognizeEscapeSequence bool) { // but not into p.currentToken. func (p *TextParser) readTokenAsMetricName() { p.currentToken.Reset() + // A UTF-8 metric name must be quoted and may have escaped characters. + quoted := false + escaped := false if !isValidMetricNameStart(p.currentByte) { return } - for { - p.currentToken.WriteByte(p.currentByte) + for p.err == nil { + if escaped { + switch p.currentByte { + case '\\': + p.currentToken.WriteByte(p.currentByte) + case 'n': + p.currentToken.WriteByte('\n') + case '"': + p.currentToken.WriteByte('"') + default: + p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) + return + } + escaped = false + } else { + switch p.currentByte { + case '"': + quoted = !quoted + if !quoted { + p.currentByte, p.err = p.buf.ReadByte() + return + } + case '\n': + p.parseError(fmt.Sprintf("metric name %q contains unescaped new-line", p.currentToken.String())) + return + case '\\': + escaped = true + default: + p.currentToken.WriteByte(p.currentByte) + } + } p.currentByte, p.err = p.buf.ReadByte() - if p.err != nil || !isValidMetricNameContinuation(p.currentByte) { + if !isValidMetricNameContinuation(p.currentByte, quoted) || (!quoted && p.currentByte == ' ') { return } } @@ -628,13 +715,45 @@ func (p *TextParser) readTokenAsMetricName() { // but not into p.currentToken. func (p *TextParser) readTokenAsLabelName() { p.currentToken.Reset() + // A UTF-8 label name must be quoted and may have escaped characters. + quoted := false + escaped := false if !isValidLabelNameStart(p.currentByte) { return } - for { - p.currentToken.WriteByte(p.currentByte) + for p.err == nil { + if escaped { + switch p.currentByte { + case '\\': + p.currentToken.WriteByte(p.currentByte) + case 'n': + p.currentToken.WriteByte('\n') + case '"': + p.currentToken.WriteByte('"') + default: + p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) + return + } + escaped = false + } else { + switch p.currentByte { + case '"': + quoted = !quoted + if !quoted { + p.currentByte, p.err = p.buf.ReadByte() + return + } + case '\n': + p.parseError(fmt.Sprintf("label name %q contains unescaped new-line", p.currentToken.String())) + return + case '\\': + escaped = true + default: + p.currentToken.WriteByte(p.currentByte) + } + } p.currentByte, p.err = p.buf.ReadByte() - if p.err != nil || !isValidLabelNameContinuation(p.currentByte) { + if !isValidLabelNameContinuation(p.currentByte, quoted) || (!quoted && p.currentByte == '=') { return } } @@ -660,6 +779,7 @@ func (p *TextParser) readTokenAsLabelValue() { p.currentToken.WriteByte('\n') default: p.parseError(fmt.Sprintf("invalid escape sequence '\\%c'", p.currentByte)) + p.currentLabelPairs = nil return } escaped = false @@ -718,19 +838,19 @@ func (p *TextParser) setOrCreateCurrentMF() { } func isValidLabelNameStart(b byte) bool { - return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' + return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == '"' } -func isValidLabelNameContinuation(b byte) bool { - return isValidLabelNameStart(b) || (b >= '0' && b <= '9') +func isValidLabelNameContinuation(b byte, quoted bool) bool { + return isValidLabelNameStart(b) || (b >= '0' && b <= '9') || (quoted && utf8.ValidString(string(b))) } func isValidMetricNameStart(b byte) bool { return isValidLabelNameStart(b) || b == ':' } -func isValidMetricNameContinuation(b byte) bool { - return isValidLabelNameContinuation(b) || b == ':' +func isValidMetricNameContinuation(b byte, quoted bool) bool { + return isValidLabelNameContinuation(b, quoted) || b == ':' } func isBlankOrTab(b byte) bool { diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go index 3317ce22ff..73b7aa3e60 100644 --- a/vendor/github.com/prometheus/common/model/labels.go +++ b/vendor/github.com/prometheus/common/model/labels.go @@ -97,26 +97,35 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$") // therewith. type LabelName string -// IsValid returns true iff name matches the pattern of LabelNameRE for legacy -// names, and iff it's valid UTF-8 if NameValidationScheme is set to -// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the -// check but a much faster hardcoded implementation. +// IsValid returns true iff the name matches the pattern of LabelNameRE when +// NameValidationScheme is set to LegacyValidation, or valid UTF-8 if +// NameValidationScheme is set to UTF8Validation. func (ln LabelName) IsValid() bool { if len(ln) == 0 { return false } switch NameValidationScheme { case LegacyValidation: - for i, b := range ln { - if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { - return false - } - } + return ln.IsValidLegacy() case UTF8Validation: return utf8.ValidString(string(ln)) default: panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme)) } +} + +// IsValidLegacy returns true iff name matches the pattern of LabelNameRE for +// legacy names. It does not use LabelNameRE for the check but a much faster +// hardcoded implementation. +func (ln LabelName) IsValidLegacy() bool { + if len(ln) == 0 { + return false + } + for i, b := range ln { + if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { + return false + } + } return true } diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go index eb865e5a59..f50966bc49 100644 --- a/vendor/github.com/prometheus/common/model/metric.go +++ b/vendor/github.com/prometheus/common/model/metric.go @@ -34,10 +34,13 @@ var ( // goroutines are started. NameValidationScheme = LegacyValidation - // NameEscapingScheme defines the default way that names will be - // escaped when presented to systems that do not support UTF-8 names. If the - // Content-Type "escaping" term is specified, that will override this value. - NameEscapingScheme = ValueEncodingEscaping + // NameEscapingScheme defines the default way that names will be escaped when + // presented to systems that do not support UTF-8 names. If the Content-Type + // "escaping" term is specified, that will override this value. + // NameEscapingScheme should not be set to the NoEscaping value. That string + // is used in content negotiation to indicate that a system supports UTF-8 and + // has that feature enabled. + NameEscapingScheme = UnderscoreEscaping ) // ValidationScheme is a Go enum for determining how metric and label names will @@ -161,7 +164,7 @@ func (m Metric) FastFingerprint() Fingerprint { func IsValidMetricName(n LabelValue) bool { switch NameValidationScheme { case LegacyValidation: - return IsValidLegacyMetricName(n) + return IsValidLegacyMetricName(string(n)) case UTF8Validation: if len(n) == 0 { return false @@ -176,7 +179,7 @@ func IsValidMetricName(n LabelValue) bool { // legacy validation scheme regardless of the value of NameValidationScheme. // This function, however, does not use MetricNameRE for the check but a much // faster hardcoded implementation. -func IsValidLegacyMetricName(n LabelValue) bool { +func IsValidLegacyMetricName(n string) bool { if len(n) == 0 { return false } @@ -208,7 +211,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF } // If the name is nil, copy as-is, don't try to escape. - if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) { + if v.Name == nil || IsValidLegacyMetricName(v.GetName()) { out.Name = v.Name } else { out.Name = proto.String(EscapeName(v.GetName(), scheme)) @@ -230,7 +233,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF for _, l := range m.Label { if l.GetName() == MetricNameLabel { - if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) { + if l.Value == nil || IsValidLegacyMetricName(l.GetValue()) { escaped.Label = append(escaped.Label, l) continue } @@ -240,7 +243,7 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF }) continue } - if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) { + if l.Name == nil || IsValidLegacyMetricName(l.GetName()) { escaped.Label = append(escaped.Label, l) continue } @@ -256,10 +259,10 @@ func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricF func metricNeedsEscaping(m *dto.Metric) bool { for _, l := range m.Label { - if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) { + if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(l.GetValue()) { return true } - if !IsValidLegacyMetricName(LabelValue(l.GetName())) { + if !IsValidLegacyMetricName(l.GetName()) { return true } } @@ -283,7 +286,7 @@ func EscapeName(name string, scheme EscapingScheme) string { case NoEscaping: return name case UnderscoreEscaping: - if IsValidLegacyMetricName(LabelValue(name)) { + if IsValidLegacyMetricName(name) { return name } for i, b := range name { @@ -309,7 +312,7 @@ func EscapeName(name string, scheme EscapingScheme) string { } return escaped.String() case ValueEncodingEscaping: - if IsValidLegacyMetricName(LabelValue(name)) { + if IsValidLegacyMetricName(name) { return name } escaped.WriteString("U__") @@ -452,6 +455,6 @@ func ToEscapingScheme(s string) (EscapingScheme, error) { case EscapeValues: return ValueEncodingEscaping, nil default: - return NoEscaping, fmt.Errorf("unknown format scheme " + s) + return NoEscaping, fmt.Errorf("unknown format scheme %s", s) } } diff --git a/vendor/modules.txt b/vendor/modules.txt index f5cc3b090f..a0a0c57a84 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -410,6 +410,9 @@ github.com/klauspost/compress/internal/cpuinfo github.com/klauspost/compress/internal/snapref github.com/klauspost/compress/zstd github.com/klauspost/compress/zstd/internal/xxhash +# github.com/kylelemons/godebug v1.1.0 +## explicit; go 1.11 +github.com/kylelemons/godebug/diff # github.com/mailru/easyjson v0.7.7 ## explicit; go 1.12 github.com/mailru/easyjson/buffer @@ -573,8 +576,10 @@ github.com/pkg/errors # github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 ## explicit github.com/pmezard/go-difflib/difflib -# github.com/prometheus/client_golang v1.19.1 +# github.com/prometheus/client_golang v1.20.0 ## explicit; go 1.20 +github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil +github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/collectors github.com/prometheus/client_golang/prometheus/internal @@ -585,7 +590,7 @@ github.com/prometheus/client_golang/prometheus/testutil/promlint/validations # github.com/prometheus/client_model v0.6.1 ## explicit; go 1.19 github.com/prometheus/client_model/go -# github.com/prometheus/common v0.55.0 +# github.com/prometheus/common v0.59.1 ## explicit; go 1.20 github.com/prometheus/common/expfmt github.com/prometheus/common/model