bump to golang 1.24

* bump in go.mod (base and api)
* bump go-toolset in Dockerfile
* bump golang version and custom_iamge in github jobs ('.github/workflows')
* Bump the golangci-lint version in the .pre-commit-config.yaml to v2.4.0
* Bump build_root_image in .ci-operator.yaml to ci-build-root-golang-1.24-sdk-1.31

Also fixes golangci-lint reported issues for new v2.4.0 version.

Jira: OSPRH-12935

Signed-off-by: Martin Schuppert <mschuppert@redhat.com>

Author: stuggi

.ci-operator.yaml

@@ -1,4 +1,4 @@
 build_root_image:
   name: tools
   namespace: openstack-k8s-operators
-  tag: ci-build-root-golang-1.21-sdk-1.31
+  tag: ci-build-root-golang-1.24-sdk-1.31

.github/workflows/build-openstack-operator.yaml

@@ -15,7 +15,7 @@ jobs:
     uses: openstack-k8s-operators/openstack-k8s-operators-ci/.github/workflows/reusable-build-operator.yaml@main
     with:
       operator_name: openstack
-      go_version: 1.21.x
+      go_version: 1.24.x
       operator_sdk_version: 1.31.0
       bundle_dockerfile: ./bundle.Dockerfile
     secrets:

.github/workflows/docs.yaml

@@ -21,7 +21,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21.x
+          go-version: 1.24.x
       - uses: actions/checkout@v4
         with:
           # this fetches all branches. Needed because we need gh-pages branch for deploy to work

.github/workflows/force-bump-pr-manual.yaml

@@ -9,5 +9,6 @@ jobs:
     with:
       operator_name: openstack
       branch_name: ${{ github.ref_name }}
+      custom_image: quay.io/openstack-k8s-operators/openstack-k8s-operators-ci-build-tools:golang-1.24-sdk-1.31
     secrets:
       FORCE_BUMP_PULL_REQUEST_PAT: ${{ secrets.FORCE_BUMP_PULL_REQUEST_PAT }}

.github/workflows/force-bump-pr-scheduled.yaml

@@ -10,5 +10,6 @@ jobs:
     uses: openstack-k8s-operators/openstack-k8s-operators-ci/.github/workflows/force-bump-branches.yaml@main
     with:
       operator_name: openstack
+      custom_image: quay.io/openstack-k8s-operators/openstack-k8s-operators-ci-build-tools:golang-1.24-sdk-1.31
     secrets:
       FORCE_BUMP_PULL_REQUEST_PAT: ${{ secrets.FORCE_BUMP_PULL_REQUEST_PAT }}

.github/workflows/kustom.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.21.x
+          go-version: 1.24.x
       - uses: actions/checkout@v4
         with:
           # this fetches all branches. Needed because we need gh-pages branch for deploy to work

.golangci.yaml

@@ -1,11 +1,17 @@
+version: 2
+
 linters:
   # Enable specific linter
   # https://golangci-lint.run/usage/linters/#enabled-by-default
   enable:
     - errorlint
     - revive
     - ginkgolinter
-    - gofmt
     - govet
+
+formatters:
+  enable:
+    - gofmt
+
 run:
   timeout: 5m

.pre-commit-config.yaml

@@ -70,7 +70,7 @@ repos:
       entry: bashate --error . --ignore=E006,E040,E011,E020,E012
 
 - repo: https://github.com/golangci/golangci-lint
-  rev: v1.59.1
+  rev: v2.4.0
   hooks:
     - id: golangci-lint-full
       args: ["-v"]

Dockerfile

@@ -1,4 +1,4 @@
-ARG GOLANG_BUILDER=registry.access.redhat.com/ubi9/go-toolset:1.21
+ARG GOLANG_BUILDER=registry.access.redhat.com/ubi9/go-toolset:1.24
 ARG OPERATOR_BASE_IMAGE=registry.access.redhat.com/ubi9/ubi-minimal:latest
 # Build the manager binary
 FROM $GOLANG_BUILDER AS builder

Makefile

@@ -186,9 +186,10 @@ tidy: ## Run go mod tidy on every mod file in the repo
 	go mod tidy
 	cd ./apis && go mod tidy
 
+GOLANGCI_LINT_VERSION ?= v2.4.0
 .PHONY: golangci-lint
 golangci-lint:
-	test -s $(LOCALBIN)/golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s v1.59.1
+	test -s $(LOCALBIN)/golangci-lint || curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s $(GOLANGCI_LINT_VERSION)
 	$(LOCALBIN)/golangci-lint run --fix
 
 MAX_PROCS := 5
@@ -312,7 +313,7 @@ KUSTOMIZE_VERSION ?= v5.5.0 #(dprince: bumped to aquire new features like --load
 CONTROLLER_TOOLS_VERSION ?= v0.14.0
 CRD_MARKDOWN_VERSION ?= v0.0.3
 KUTTL_VERSION ?= 0.17.0
-GOTOOLCHAIN_VERSION ?= go1.21.0
+GOTOOLCHAIN_VERSION ?= go1.24.0
 OC_VERSION ?= 4.16.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"