add targets for verifying code and images for vulnerabilities

Signed-off-by: Prajyot-Parab <prajyot.parab2@ibm.com>

.github/workflows/weekly-security-scan.yaml

@@ -0,0 +1,32 @@
+name: Weekly security scan
+
+on:
+  schedule:
+    # Cron for every Monday at 2:00 UTC.
+    - cron: "0 2 * * 1"
+
+# Remove all permissions from GITHUB_TOKEN except metadata.
+permissions: {}
+
+jobs:
+  scan:
+    strategy:
+      fail-fast: false
+      matrix:
+        branch: [ main, release-0.6, release-0.5 ]
+    name: Trivy
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out code
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # tag=v4.1.1
+      with:
+        ref: ${{ matrix.branch }}
+    - name: Calculate go version
+      id: vars
+      run: echo "go_version=$(make go-version)" >> $GITHUB_OUTPUT
+    - name: Set up Go
+      uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # tag=v4.1.0
+      with:
+        go-version: ${{ steps.vars.outputs.go_version }}
+    - name: Run verify security target
+      run: make verify-security

Makefile

@@ -18,6 +18,8 @@ ROOT_DIR_RELATIVE := .
 
 include $(ROOT_DIR_RELATIVE)/common.mk
 
+GO_VERSION ?= 1.20.10
+
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
@@ -46,6 +48,8 @@ MOCKGEN := $(TOOLS_BIN_DIR)/mockgen
 CONTROLLER_GEN := $(TOOLS_BIN_DIR)/controller-gen
 CONVERSION_VERIFIER := $(TOOLS_BIN_DIR)/conversion-verifier
 SETUP_ENVTEST := $(TOOLS_BIN_DIR)/setup-envtest
+GOVULNCHECK := $(TOOLS_BIN_DIR)/govulncheck
+TRIVY := $(TOOLS_BIN_DIR)/trivy
 
 STAGING_REGISTRY ?= gcr.io/k8s-staging-capi-ibmcloud
 STAGING_BUCKET ?= artifacts.k8s-staging-capi-ibmcloud.appspot.com
@@ -513,6 +517,27 @@ verify-gen: generate ## Verfiy go generated files are up to date
 verify-conversions: $(CONVERSION_VERIFIER) ## Verifies expected API conversion are in place
 	$(CONVERSION_VERIFIER)
 
+.PHONY: verify-container-images
+verify-container-images: $(TRIVY) ## Verify container images
+	TRACE=$(TRACE) ./hack/verify-container-images.sh
+
+.PHONY: verify-govulncheck
+verify-govulncheck: $(GOVULNCHECK) ## Verify code for vulnerabilities
+	$(GOVULNCHECK) ./... && R1=$$? || R1=$$?; \
+	$(GOVULNCHECK) -C "$(TOOLS_DIR)" ./... && R2=$$? || R2=$$?; \
+	if [ "$$R1" -ne "0" ] || [ "$$R2" -ne "0" ]; then \
+		exit 1; \
+	fi
+
+.PHONY: verify-security
+verify-security: ## Verify code and images for vulnerabilities
+	$(MAKE) verify-container-images && R1=$$? || R1=$$?; \
+	$(MAKE) verify-govulncheck && R2=$$? || R2=$$?; \
+	if [ "$$R1" -ne "0" ] || [ "$$R2" -ne "0" ]; then \
+	  echo "Check for vulnerabilities failed! There are vulnerabilities to be fixed"; \
+		exit 1; \
+	fi
+
 ## --------------------------------------
 ## Cleanup / Verification
 ## --------------------------------------
@@ -544,6 +569,10 @@ clean-temporary: ## Remove all temporary files and folders
 clean-release: ## Remove the release folder
 	rm -rf $(RELEASE_DIR)
 
+.PHONY: clean-release-git
+clean-release-git: ## Restores the git files usually modified during a release
+	git restore ./*manager_image_patch.yaml ./*manager_pull_policy.yaml
+
 .PHONY: clean-generated-conversions
 clean-generated-conversions: ## Remove files generated by conversion-gen from the mentioned dirs
 	(IFS=','; for i in $(SRC_DIRS); do find $$i -type f -name 'zz_generated.conversion*' -exec rm -f {} \;; done)
@@ -562,3 +591,11 @@ clean-kind: ## Cleans up the kind cluster with the name $CAPI_KIND_CLUSTER_NAME
 kind-cluster: ## Create a new kind cluster designed for development with Tilt
 	hack/kind-install.sh
 
+## --------------------------------------
+## Helpers
+## --------------------------------------
+
+##@ helpers:
+
+go-version: ## Print the go version we use to compile our binaries and images
+	@echo $(GO_VERSION)

hack/tools/Makefile

@@ -121,3 +121,11 @@ $(CONVERSION_VERIFIER): $(BIN_DIR) go.mod go.sum ## Build a local copy of conver
 SETUP_ENVTEST := $(BIN_DIR)/setup-envtest
 $(SETUP_ENVTEST): $(BIN_DIR) go.mod go.sum ## Build a local copy of setup-envtest.
 	go build -tags=capibmtools -o $@ sigs.k8s.io/controller-runtime/tools/setup-envtest
+
+GOVULNCHECK := $(BIN_DIR)/govulncheck
+$(GOVULNCHECK): $(BIN_DIR) go.mod go.sum ## Build a local copy of govulncheck.
+	go build -tags=capibmtools -o $@ golang.org/x/vuln/cmd/govulncheck
+
+TRIVY := $(BIN_DIR)/trivy
+$(TRIVY): $(BIN_DIR) go.mod go.sum ## Build a local copy of trivy.
+	go build -tags=capibmtools -o $@ github.com/aquasecurity/trivy/cmd/trivy