Update operator-sdk to v1.40.0 according to migrations

See:

- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.35.0/
- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.36.0/
- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.37.0/
- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.38.0/
- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.39.0/
- https://sdk.operatorframework.io/docs/upgrading-sdk-version/v1.40.0/

Signed-off-by: Marco Franssen <[email protected]>

Author: marcofranssen

.devcontainer/devcontainer.json

@@ -0,0 +1,25 @@
+{
+  "name": "Kubebuilder DevContainer",
+  "image": "docker.io/golang:1.23",
+  "features": {
+    "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+    "ghcr.io/devcontainers/features/git:1": {}
+  },
+
+  "runArgs": ["--network=host"],
+
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "terminal.integrated.shell.linux": "/bin/bash"
+      },
+      "extensions": [
+        "ms-kubernetes-tools.vscode-kubernetes-tools",
+        "ms-azuretools.vscode-docker"
+      ]
+    }
+  },
+
+  "onCreateCommand": "bash .devcontainer/post-install.sh"
+}
+

.devcontainer/post-install.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -x
+
+curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64
+chmod +x ./kind
+mv ./kind /usr/local/bin/kind
+
+curl -L -o kubebuilder https://go.kubebuilder.io/dl/latest/linux/amd64
+chmod +x kubebuilder
+mv kubebuilder /usr/local/bin/
+
+KUBECTL_VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt)
+curl -LO "https://dl.k8s.io/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl"
+chmod +x kubectl
+mv kubectl /usr/local/bin/kubectl
+
+docker network create -d=bridge --subnet=172.19.0.0/24 kind
+
+kind version
+kubebuilder version
+docker --version
+go version
+kubectl version --client

.github/workflows/test-e2e.yml

@@ -0,0 +1,35 @@
+name: E2E Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test-e2e:
+    name: Run on Ubuntu
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone the code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Setup Go
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
+        with:
+          go-version-file: go.mod
+
+      - name: Install the latest version of kind
+        run: |
+          curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64
+          chmod +x ./kind
+          sudo mv ./kind /usr/local/bin/kind
+
+      - name: Verify kind installation
+        run: kind version
+
+      - name: Create kind cluster
+        run: kind create cluster
+
+      - name: Running Test e2e
+        run: |
+          go mod tidy
+          make test-e2e

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    name: Run on Ubuntu
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone the code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Setup Go
+        uses: actions/setup-go@44694675825211faa026b3c33043df3e48a5fa00 # v6.0.0
+        with:
+          go-version-file: go.mod
+
+      - name: Running Tests
+        run: |
+          go mod tidy
+          make test

.gitignore

@@ -25,3 +25,4 @@ testbin/
 
 .DS_Store
 .envrc
+charts/fluent-operator.tgz

Makefile

@@ -19,6 +19,7 @@ ARCH ?= arm64
 
 # Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
 CRD_OPTIONS ?= crd:generateEmbeddedObjectMeta=true,allowDangerousTypes=true
+OPERATOR_SDK_VERSION ?= v1.40.0
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -72,18 +73,8 @@ PHONY: vet
 vet: ## Run go vet against code.
 	go vet ./...
 
-ENVTEST_ASSETS_DIR=$(shell pwd)/testbin
-
-install-setup-envtest: ## Install the setup-envtest tool if it is not already installed
-	if ! command -v setup-envtest &> /dev/null; then \
-		go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest; \
-	fi
-
-setup-envtest: install-setup-envtest ## Download and set up the envtest binary
-	source <(setup-envtest use -p env)
-
 test: manifests generate fmt vet setup-envtest ## Run tests.
-	go test ./apis/... -coverprofile cover.out
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -coverprofile cover.out
 
 # Utilize Kind or modify the e2e tests to load the image locally, enabling compatibility with other vendors.
 .PHONY: test-e2e  # Run the e2e tests against a Kind k8s instance that is spun up.
@@ -199,8 +190,11 @@ KIND = $(LOCALBIN)/kind
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.6.0
-CONTROLLER_TOOLS_VERSION ?= v0.15.0
-ENVTEST_VERSION ?= release-0.19
+CONTROLLER_TOOLS_VERSION ?= v0.17.2
+#ENVTEST_VERSION is the version of controller-runtime release branch to fetch the envtest setup script (i.e. release-0.20)
+ENVTEST_VERSION ?= $(shell go list -m -f "{{ .Version }}" sigs.k8s.io/controller-runtime | awk -F'[v.]' '{printf "release-%d.%d", $$2, $$3}')
+#ENVTEST_K8S_VERSION is the version of Kubernetes to use for setting up ENVTEST binaries (i.e. 1.31)
+ENVTEST_K8S_VERSION ?= $(shell go list -m -f "{{ .Version }}" k8s.io/api | awk -F'[v.]' '{printf "1.%d", $$3}')
 GOLANGCI_LINT_VERSION ?= v2.0.1
 GINKGO_VERSION ?= v2.23.4
 CODE_GENERATOR_VERSION ?= v0.32.3
@@ -216,6 +210,14 @@ controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessar
 $(CONTROLLER_GEN): $(LOCALBIN)
 	$(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen,$(CONTROLLER_TOOLS_VERSION))
 
+.PHONY: setup-envtest
+setup-envtest: envtest ## Download the binaries required for ENVTEST in the local bin directory.
+	@echo "Setting up envtest binaries for Kubernetes version $(ENVTEST_K8S_VERSION)..."
+	@$(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path || { \
+		echo "Error: Failed to set up envtest binaries for version $(ENVTEST_K8S_VERSION)."; \
+		exit 1; \
+	}
+
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download setup-envtest locally if necessary.
 $(ENVTEST): $(LOCALBIN)
@@ -297,7 +299,7 @@ ifeq (,$(shell which opm 2>/dev/null))
 	set -e ;\
 	mkdir -p $(dir $(OPM)) ;\
 	OS=$(shell go env GOOS) && ARCH=$(shell go env GOARCH) && \
-	curl -sSLo $(OPM) https://github.com/operator-framework/operator-registry/releases/download/v1.23.0/$${OS}-$${ARCH}-opm ;\
+	curl -sSLo $(OPM) https://github.com/operator-framework/operator-registry/releases/download/v1.55.0/$${OS}-$${ARCH}-opm ;\
 	chmod +x $(OPM) ;\
 	}
 else