Add inaccel/fpga-operator addon

Signed-off-by: Elias Koromilas <[email protected]>

Author: eliaskoromilas

Diff for: cmd/minikube/cmd/config/addons_list_test.go

@@ -66,7 +66,7 @@ func TestAddonsList(t *testing.T) {
 			Ambassador *interface{} `json:"ambassador"`
 		}
 
-		b := make([]byte, 544)
+		b := make([]byte, 557)
 		r, w, err := os.Pipe()
 		if err != nil {
 			t.Fatalf("failed to create pipe: %v", err)

Diff for: deploy/addons/assets.go

@@ -143,4 +143,8 @@ var (
 	// AliyunMirror assets for aliyun_mirror.json
 	//go:embed aliyun_mirror.json
 	AliyunMirror embed.FS
+
+	// InAccelAssets assets for inaccel addon
+	//go:embed inaccel/fpga-operator.yaml.tmpl
+	InAccelAssets embed.FS
 )

Diff for: deploy/addons/inaccel/README.md

@@ -0,0 +1,7 @@
+### Documentation
+
+For detailed usage instructions visit: [docs.inaccel.com](https://docs.inaccel.com)
+
+### Support
+
+For more product information contact: [email protected]

Diff for: deploy/addons/inaccel/fpga-operator.yaml.tmpl

@@ -0,0 +1,56 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile
+    kubernetes.io/minikube-addons: inaccel
+  name: inaccel-addon
+  namespace: kube-system
+data:
+  disable.sh: |
+    #!/bin/sh -e
+    exec >/proc/1/fd/1
+    echo "Disabling InAccel FPGA Operator"
+    helm uninstall inaccel --namespace kube-system
+    echo "InAccel is disabled"
+  enable.sh: |
+    #!/bin/sh -e
+    exec >/proc/1/fd/1
+    echo "Enabling InAccel FPGA Operator"
+    helm install inaccel fpga-operator --namespace kube-system --repo https://setup.inaccel.com/helm
+    echo "InAccel is enabled"
+---
+apiVersion: v1
+kind: Pod
+metadata:
+  labels:
+    addonmanager.kubernetes.io/mode: Reconcile
+    kubernetes.io/minikube-addons: inaccel
+  name: inaccel-addon
+  namespace: kube-system
+spec:
+  containers:
+  - command:
+    - sleep
+    - infinity
+    image: {{ .CustomRegistries.Helm3 | default .ImageRepository | default .Registries.Helm3 }}{{ .Images.Helm3 }}
+    lifecycle:
+      postStart:
+        exec:
+          command:
+          - /inaccel/enable.sh
+      preStop:
+        exec:
+          command:
+          - /inaccel/disable.sh
+    name: helm3
+    volumeMounts:
+    - mountPath: /inaccel
+      name: inaccel-addon
+      readOnly: true
+  volumes:
+  - configMap:
+      defaultMode: 0777
+      name: inaccel-addon
+    name: inaccel-addon

Diff for: pkg/addons/config.go

@@ -197,4 +197,9 @@ var Addons = []*Addon{
 		set:       SetBool,
 		callbacks: []setFn{EnableOrDisableAddon},
 	},
+	{
+		name:      "inaccel",
+		set:       SetBool,
+		callbacks: []setFn{EnableOrDisableAddon},
+	},
 }

Diff for: pkg/minikube/assets/addons.go

@@ -688,6 +688,17 @@ var Addons = map[string]*Addon{
 	}, false, "portainer", "portainer.io", map[string]string{
 		"Portainer": "portainer/portainer-ce:latest@sha256:4f126c5114b63e9d1bceb4b368944d14323329a9a0d4e7bb7eb53c9b7435d498",
 	}, nil),
+	"inaccel": NewAddon([]*BinAsset{
+		MustBinAsset(addons.InAccelAssets,
+			"inaccel/fpga-operator.yaml.tmpl",
+			vmpath.GuestAddonsDir,
+			"fpga-operator.yaml",
+			"0640"),
+	}, false, "inaccel", "InAccel <[email protected]>", map[string]string{
+		"Helm3": "alpine/helm:3.9.0@sha256:9f4bf4d24241f983910550b1fe8688571cd684046500abe58cef14308f9cb19e",
+	}, map[string]string{
+		"Helm3": "docker.io",
+	}),
 }
 
 // parseMapString creates a map based on `str` which is encoded as <key1>=<value1>,<key2>=<value2>,...

Diff for: pkg/minikube/detect/detect.go

@@ -17,6 +17,7 @@ limitations under the License.
 package detect
 
 import (
+	"io"
 	"net/http"
 	"os"
 	"os/exec"
@@ -67,6 +68,27 @@ func IsOnGCE() bool {
 	return resp.Header.Get("Metadata-Flavor") == "Google"
 }
 
+// IsOnAmazonEC2 determines whether minikube is currently running on Amazon EC2
+// and, if yes, on which instance type.
+func IsOnAmazonEC2() (bool, string) {
+	resp, err := http.Get("http://instance-data.ec2.internal/latest/meta-data/instance-type")
+	if err != nil {
+		return false, ""
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return true, ""
+	}
+
+	instanceType, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return true, ""
+	}
+
+	return true, string(instanceType)
+}
+
 // IsCloudShell determines whether minikube is running inside CloudShell
 func IsCloudShell() bool {
 	e := os.Getenv("CLOUD_SHELL")

Diff for: site/content/en/docs/contrib/tests.en.md

@@ -42,6 +42,9 @@ tests the csi hostpath driver by creating a persistent volume, snapshotting it a
 #### validateGCPAuthAddon
 tests the GCP Auth addon with either phony or real credentials and makes sure the files are mounted into pods correctly
 
+#### validateInAccelAddon
+tests the InAccel addon by trying a vadd
+
 ## TestCertOptions
 makes sure minikube certs respect the --apiserver-ips and --apiserver-names parameters
 

Diff for: test/integration/addons_test.go

@@ -68,6 +68,8 @@ func TestAddons(t *testing.T) {
 		args := append([]string{"start", "-p", profile, "--wait=true", "--memory=4000", "--alsologtostderr", "--addons=registry", "--addons=metrics-server", "--addons=volumesnapshots", "--addons=csi-hostpath-driver", "--addons=gcp-auth"}, StartArgs()...)
 		if !NoneDriver() { // none driver does not support ingress
 			args = append(args, "--addons=ingress", "--addons=ingress-dns")
+		} else if isOnAmazonEC2, instanceType := detect.IsOnAmazonEC2(); isOnAmazonEC2 && strings.HasPrefix(instanceType, "f1.") {
+			args = append(args, "--addons=inaccel") // inaccel supports only none driver
 		}
 		if !arm64Platform() {
 			args = append(args, "--addons=helm-tiller")
@@ -95,6 +97,7 @@ func TestAddons(t *testing.T) {
 			{"HelmTiller", validateHelmTillerAddon},
 			{"Olm", validateOlmAddon},
 			{"CSI", validateCSIDriverAndSnapshots},
+			{"InAccel", validateInAccelAddon},
 		}
 		for _, tc := range tests {
 			tc := tc
@@ -708,3 +711,40 @@ func validateGCPAuthAddon(ctx context.Context, t *testing.T, profile string) {
 		}
 	}
 }
+
+// validateInAccelAddon tests the inaccel addon by trying a vadd
+func validateInAccelAddon(ctx context.Context, t *testing.T, profile string) {
+	defer PostMortemLogs(t, profile)
+
+	if !NoneDriver() {
+		t.Skipf("skipping: inaccel not supported")
+	}
+
+	if isOnAmazonEC2, instanceType := detect.IsOnAmazonEC2(); !(isOnAmazonEC2 && strings.HasPrefix(instanceType, "f1.")) {
+		t.Skipf("skipping: not running on an Amazon EC2 f1 instance")
+	}
+
+	// create sample pod
+	rr, err := Run(t, exec.CommandContext(ctx, "kubectl", "--context", profile, "create", "--filename", filepath.Join(*testdataDir, "inaccel.yaml")))
+	if err != nil {
+		t.Fatalf("creating pod with %s failed: %v", rr.Command(), err)
+	}
+
+	if _, err = Run(t, exec.CommandContext(ctx, "kubectl", "--context", profile, "wait", "--for", "condition=ready", "--timeout", "-1s", "pod/inaccel-vadd")); err != nil {
+		t.Fatalf("failed waiting for inaccel-vadd pod: %v", err)
+	}
+
+	rr, err = Run(t, exec.CommandContext(ctx, "kubectl", "--context", profile, "logs", "--follow", "pod/inaccel-vadd"))
+	if err != nil {
+		t.Fatalf("%q failed: %v", rr.Command(), err)
+	}
+	if !strings.Contains(rr.Stdout.String(), "Test PASSED") {
+		t.Fatalf("expected inaccel-vadd logs to include: %q but got: %s", "Test PASSED", rr.Output())
+	}
+
+	// delete pod
+	rr, err = Run(t, exec.CommandContext(ctx, "kubectl", "--context", profile, "delete", "pod/inaccel-vadd"))
+	if err != nil {
+		t.Fatalf("deleting pod with %s failed: %v", rr.Command(), err)
+	}
+}

Diff for: test/integration/testdata/inaccel.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  annotations:
+    inaccel/cli: |
+      bitstream install https://store.inaccel.com/artifactory/bitstreams/xilinx/aws-vu9p-f1/dynamic-shell/aws/vector/1/1addition
+  labels:
+    inaccel/fpga: enabled
+  name: inaccel-vadd
+spec:
+  containers:
+  - image: inaccel/vadd
+    name: inaccel-vadd
+    resources:
+      limits:
+        xilinx/aws-vu9p-f1: 1
+  nodeSelector:
+    xilinx/aws-vu9p-f1: dynamic-shell
+  restartPolicy: Never