✨ Bootstrap code with kubebuilder and set up initial CRDs

.dockerignore

@@ -0,0 +1,3 @@
+# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file
+# Ignore build and test binaries.
+bin/

.gitignore

@@ -23,3 +23,7 @@ go.work.sum
 
 # env file
 .env
+
+# Downloaded and built binaries
+bin/
+tools

.golangci.yml

@@ -0,0 +1,47 @@
+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
+    - ginkgolinter
+    - goconst
+    - gocyclo
+    - gofmt
+    - goimports
+    - gosimple
+    - govet
+    - ineffassign
+    - lll
+    - misspell
+    - nakedret
+    - prealloc
+    - revive
+    - staticcheck
+    - typecheck
+    - unconvert
+    - unparam
+    - unused
+
+linters-settings:
+  revive:
+    rules:
+      - name: comment-spacings

.prow.yaml

@@ -0,0 +1,96 @@
+presubmits:
+  - name: pull-kcp-operator-verify
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp-operator"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.22.7-1
+          command:
+            - make
+            - verify
+          resources:
+            requests:
+              memory: 1Gi
+              cpu: 1
+
+  - name: pull-kcp-operator-lint
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp-operator"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.22.7-1
+          command:
+            - make
+            - lint
+          resources:
+            requests:
+              memory: 4Gi
+              cpu: 2
+
+  - name: pull-kcp-operator-build-image
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp-operator"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: quay.io/containers/buildah:v1.30.0
+          command:
+            - hack/ci/build-image.sh
+          env:
+            - name: DRY_RUN
+              value: '1'
+          # docker-in-docker needs privileged mode
+          securityContext:
+            privileged: true
+          resources:
+            requests:
+              memory: 1Gi
+              cpu: 1
+
+  - name: pull-kcp-operator-test
+    always_run: true
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp-operator"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.22.7-1
+          command:
+            - make
+            - test
+          env:
+            - name: USE_GOTESTSUM
+              value: '1'
+          resources:
+            requests:
+              memory: 4Gi
+              cpu: 2
+
+  - name: pull-kcp-operator-test-e2e
+    always_run: false
+    decorate: true
+    clone_uri: "https://github.com/kcp-dev/kcp-operator"
+    labels:
+      preset-goproxy: "true"
+    spec:
+      containers:
+        - image: ghcr.io/kcp-dev/infra/build:1.22.7-1
+          command:
+            - make
+            - test-e2e
+          env:
+            - name: USE_GOTESTSUM
+              value: '1'
+          resources:
+            requests:
+              memory: 4Gi
+              cpu: 2

DEVELOPMENT.md

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+# Development
+
+## kubebuilder
+
+For historic documentation, this project has been generated with [kubebuilder](https://book.kubebuilder.io/) with the following version information:
+
+```sh
+$ kubebuilder version
+Version: main.version{KubeBuilderVersion:"4.3.1", KubernetesVendor:"unknown", GitCommit:"a9ee3909f7686902879bd666b92deec4718d92c9", BuildDate:"2024-11-09T09:58:43Z", GoOs:"darwin", GoArch:"arm64"}
+```
+
+The project has been initialised with:
+
+```sh
+$ kubebuilder init --domain operator.kcp.io --owner "The KCP Authors" --project-name kcp-operator
+```

Dockerfile

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+# Build the manager binary
+FROM --platform=${BUILDPLATFORM} docker.io/golang:1.22.9 AS builder
+ARG TARGETOS
+ARG TARGETARCH
+
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+# cache deps before building and copying source so that we don't need to re-download as much
+# and so that source changes don't invalidate our downloaded layer
+RUN go mod download
+
+# Copy the go source
+COPY cmd/main.go cmd/main.go
+COPY api/ api/
+COPY internal/controller/ internal/controller/
+
+# Build
+# the GOARCH has not a default value to allow the binary be built according to the host where the command
+# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
+# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
+# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-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
+FROM gcr.io/distroless/static:nonroot
+WORKDIR /
+COPY --from=builder /workspace/manager .
+USER 65532:65532
+
+ENTRYPOINT ["/manager"]