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fix: handle empty CRD directories in Makefile install/uninstall
- Gracefully no-op install/uninstall when no CRDs exist - Update sample Makefiles accordingly and add CI job to validate empty project - Revert Dockerfile and .dockerignore changes; keep templates and samples matching upstream
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‎.github/workflows/test-e2e-samples.yml

Lines changed: 41 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -120,4 +120,44 @@ jobs:
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- name: Testing make test-e2e for project-v4-multigroup
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working-directory: testdata/project-v4-multigroup/
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run: |
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make test-e2e
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make test-e2e
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# Test to validate e2e integration when no APIs are scaffolded
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e2e-test-basic-project:
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runs-on: ubuntu-latest
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if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository
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steps:
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- name: Checkout repository
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uses: actions/checkout@v5
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- name: Setup Go
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uses: actions/setup-go@v6
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with:
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go-version-file: go.mod
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- name: Install the latest version of kind
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run: |
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curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64
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chmod +x ./kind
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sudo mv ./kind /usr/local/bin/kind
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- name: Verify kind installation
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run: kind version
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- name: Create kind cluster
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run: kind create cluster
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- name: Build kubebuilder CLI from this repo
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run: make install
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- name: Scaffold empty go/v4 project
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run: |
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mkdir -p /tmp/basic-project-v4
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cd /tmp/basic-project-v4
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kubebuilder init --plugins go/v4 --domain example.com --repo example.com/empty-operator
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go mod tidy
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make
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- name: Run make test-e2e on empty project
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working-directory: /tmp/basic-project-v4
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run: make test-e2e

‎docs/book/src/cronjob-tutorial/testdata/project/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -157,12 +157,14 @@ ifndef ignore-not-found
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endif
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.PHONY: install
160-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
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$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
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install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
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@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
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if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
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.PHONY: uninstall
164-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
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$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
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uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
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@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
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if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
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.PHONY: deploy
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deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎docs/book/src/getting-started/testdata/project/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -153,12 +153,14 @@ ifndef ignore-not-found
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endif
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.PHONY: install
156-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
157-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
156+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
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@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
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if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
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159160
.PHONY: uninstall
160-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
161-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
161+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
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@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
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if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
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.PHONY: deploy
164166
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎docs/book/src/multiversion-tutorial/testdata/project/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -157,12 +157,14 @@ ifndef ignore-not-found
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endif
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159159
.PHONY: install
160-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
161-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
160+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
161+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
162+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
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163164
.PHONY: uninstall
164-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
165-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
165+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
166+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
167+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
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.PHONY: deploy
168170
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎pkg/plugins/golang/v4/scaffolds/internal/templates/makefile.go

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -232,12 +232,14 @@ ifndef ignore-not-found
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endif
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.PHONY: install
235-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
236-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
235+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
236+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
237+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
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238239
.PHONY: uninstall
239-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
240-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
240+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
241+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
242+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
241243
242244
.PHONY: deploy
243245
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎testdata/project-v4-multigroup/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -153,12 +153,14 @@ ifndef ignore-not-found
153153
endif
154154

155155
.PHONY: install
156-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
157-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
156+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
157+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
158+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
158159

159160
.PHONY: uninstall
160-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
161-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
161+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
162+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
163+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
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163165
.PHONY: deploy
164166
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎testdata/project-v4-with-plugins/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -153,12 +153,14 @@ ifndef ignore-not-found
153153
endif
154154

155155
.PHONY: install
156-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
157-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
156+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
157+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
158+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
158159

159160
.PHONY: uninstall
160-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
161-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
161+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
162+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
163+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
162164

163165
.PHONY: deploy
164166
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

‎testdata/project-v4/Makefile

Lines changed: 6 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -153,12 +153,14 @@ ifndef ignore-not-found
153153
endif
154154

155155
.PHONY: install
156-
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
157-
$(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f -
156+
install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. No-op if none exist.
157+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
158+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) apply -f -; else echo "No CRDs to install; skipping."; fi
158159

159160
.PHONY: uninstall
160-
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
161-
$(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -
161+
uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. No-op if none exist.
162+
@out="$$( $(KUSTOMIZE) build config/crd 2>/dev/null || true )"; \
163+
if [ -n "$$out" ]; then echo "$$out" | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f -; else echo "No CRDs to delete; skipping."; fi
162164

163165
.PHONY: deploy
164166
deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.

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