Moved scanning script from test-infra to security-tooling

Author: Dylan-G-Roberts

sig-security-tooling/scanning/build-deps-and-release-images.sh

@@ -0,0 +1,73 @@
+#!/usr/bin/env bash
+# Copyright 2022 The Kubernetes 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.
+
+set -euo pipefail
+apt update && apt -y install jq
+wget -q -O /usr/local/bin/snyk https://static.snyk.io/cli/latest/snyk-linux && chmod +x /usr/local/bin/snyk
+mkdir -p "${ARTIFACTS}"
+if [ -z "${SNYK_TOKEN}" ]; then
+    echo "SNYK_TOKEN env var is not set, required for snyk scan"
+    exit 1
+fi
+echo "Running snyk scan .."
+EXIT_CODE=0
+RESULT_UNFILTERED=$(snyk test -d --json) || EXIT_CODE=$?
+if [ $EXIT_CODE -gt 1 ]; then
+    echo "Failed to run snyk scan with exit code $EXIT_CODE "
+    exit 1
+fi
+RESULT=$(echo $RESULT_UNFILTERED | jq \
+'{vulnerabilities: .vulnerabilities | map(select((.type != "license") and (.version !=  "0.0.0"))) | select(length > 0) }')
+if [[ ${RESULT} ]]; then
+    CVE_IDs=$(echo $RESULT | jq '.vulnerabilities[].identifiers.CVE | unique[]' | sort -u)
+    #convert string to array
+    CVE_IDs_array=(`echo ${CVE_IDs}`)
+    #TODO:Implement deduplication of CVE IDs in future
+    for i in "${CVE_IDs_array[@]}"
+    do
+        if [[ "$i" == *"CVE"* ]]; then
+            #Look for presence of GitHub Issues for detected CVEs. If no issues are present, this CVE needs triage
+            #Once the job fails, CVE is triaged by SIG Security and a tracking issue is created.
+            #This will allow in the next run for the job to pass again
+            TOTAL_COUNT=$(curl -H "Accept: application/vnd.github.v3+json" "https://api.github.com/search/issues?q=repo:kubernetes/kubernetes+${i}" | jq .total_count)
+            if [[ $TOTAL_COUNT -eq 0 ]]; then
+            echo "Vulnerability filtering failed"
+            exit 1
+            fi
+        fi
+    done
+fi
+echo "Build time dependency scan completed"
+
+# container images scan
+echo "Fetch the list of k8s images"
+curl -Ls https://sbom.k8s.io/$(curl -Ls https://dl.k8s.io/release/latest.txt)/release | grep "SPDXID: SPDXRef-Package-registry.k8s.io" | grep -v sha256 | cut -d- -f3- | sed 's/-/\//' | sed 's/-v1/:v1/' > images
+while read image; do
+    echo "Running container image scan.."
+    EXIT_CODE=0
+    RESULT_UNFILTERED=$(snyk container test $image -d --json) || EXIT_CODE=$?
+    if [ $EXIT_CODE -gt 1 ]; then
+    echo "Failed to run snyk scan with exit code $EXIT_CODE . Error message: $RESULT_UNFILTERED"
+    exit 1
+    fi
+    RESULT=$(echo $RESULT_UNFILTERED | jq \
+    '{vulnerabilities: .vulnerabilities | map(select(.isUpgradable == true or .isPatchable == true)) | select(length > 0) }')
+    if [[ ${RESULT} ]]; then
+    echo "Vulnerability filtering failed"
+    # exit 1 (To allow other images to be scanned even if one fails)
+    else
+    echo "Scan completed image $image"
+    fi
+done < images