Migrate to kubebuilder go/v4

.dockerignore

@@ -1,4 +1,3 @@
 # More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
 # Ignore build and test binaries.
 bin/
-testbin/

.github/workflows/build_container.yaml

@@ -13,7 +13,7 @@ on:
       - "**.md"
 
 env:
-  GO_VERSION: "~1.21"
+  GO_VERSION: "~1.22" # It's seems unused :/
   IMAGE_NAME: "k8sgpt-operator"
 defaults:
   run:

.github/workflows/golangci-lint.yaml

@@ -0,0 +1,27 @@
+name: golangci-lint
+
+on:
+  push:
+    branches:
+      - main
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+  # Optional: allow read access to pull request. Use with `only-new-issues` option.
+  # pull-requests: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: "1.22"
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v5
+        with:
+          version: latest

.github/workflows/test.yaml

@@ -6,7 +6,7 @@ on:
       - main
 
 env:
-    GO_VERSION: "~1.21"
+    GO_VERSION: "~1.22"
 
 jobs:
   build:

.gitignore

@@ -1,31 +1,27 @@
-__debug_bin
-*.DS_Store
-k8sgpt-operator
 # Binaries for programs and plugins
-.vscode
 *.exe
 *.exe~
 *.dll
 *.so
 *.dylib
-bin
-testbin/*
+bin/*
 Dockerfile.cross
-config/rendered
-# Test binary, build with `go test -c`
+
+# Test binary, built with `go test -c`
 *.test
 
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
-# Kubernetes Generated files - skip generated files, except for vendored files
+# Go workspace file
+go.work
 
+# Kubernetes Generated files - skip generated files, except for vendored files
 !vendor/**/zz_generated.*
 
 # editor and IDE paraphernalia
 .idea
+.vscode
 *.swp
 *.swo
 *~
-coverage.out
-coverage.html

.golangci.yml

@@ -0,0 +1,40 @@
+run:
+  timeout: 5m
+  allow-parallel-runners: true
+
+issues:
+  # don't skip warning about doc comments
+  # don't exclude the default set of lint
+  exclude-use-default: false
+  # restore some of the defaults
+  # (fill in the rest as needed)
+  exclude-rules:
+    - path: "api/*"
+      linters:
+        - lll
+    - path: "internal/*"
+      linters:
+        - dupl
+        - lll
+linters:
+  disable-all: true
+  enable:
+    - dupl
+    - errcheck
+    - exportloopref
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused

Dockerfile

@@ -13,17 +13,17 @@ COPY go.sum go.sum
 RUN go mod download
 
 # Copy the go source
-COPY main.go main.go
+COPY cmd/main.go cmd/main.go
 COPY api/ api/
+COPY internal/controller/ internal/controller/
 COPY pkg/ pkg/
-COPY controllers/ controllers/
 
 # Build
 # the GOARCH has not a default value to allow the binary be built according to the host where the command
 # was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
 # the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
 # by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
-RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -a -o manager main.go
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details