feat: controller-side EtcdMirror metrics, shipped alerts and dashboard

Dockerfile

@@ -12,7 +12,7 @@ COPY go.sum go.sum
 RUN go mod download
 
 # Copy the go source
-COPY cmd/main.go cmd/main.go
+COPY cmd/ cmd/
 COPY api/ api/
 COPY internal/ internal/
 COPY pkg/ pkg/
@@ -23,12 +23,14 @@ COPY pkg/ pkg/
 # 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
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o mirror-agent ./cmd/mirror-agent
 
 # 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@sha256:963fa6c544fe5ce420f1f54fb88b6fb01479f054c8056d0f74cc2c6000df5240
 WORKDIR /
 COPY --from=builder /workspace/manager .
+COPY --from=builder /workspace/mirror-agent .
 USER 65532:65532
 
 ENTRYPOINT ["/manager"]

Makefile

@@ -86,9 +86,10 @@ test: manifests generate fmt vet envtest ## Run tests.
 # Prometheus and CertManager are installed by default; skip with:
 # - PROMETHEUS_INSTALL_SKIP=true
 # - CERT_MANAGER_INSTALL_SKIP=true
+# Explicit -timeout: the features' worst-case wait ceilings sum past the go-test default of 10m.
 .PHONY: test-e2e
 test-e2e: generate fmt vet kind gofail-enable ## Run the e2e tests. Expected an isolated environment using Kind.
-	ETCD_VERSION="$(E2E_ETCD_VERSION)" PATH="$(LOCALBIN):$(PATH)" go test ./test/e2e/ -v
+	ETCD_VERSION="$(E2E_ETCD_VERSION)" PATH="$(LOCALBIN):$(PATH)" go test ./test/e2e/ -v -timeout 30m
 	$(MAKE) gofail-disable
 
 .PHONY: gofail-enable
@@ -125,8 +126,9 @@ verify: verify-mod-tidy lint ## Run static checks against the code.
 ##@ Build
 
 .PHONY: build
-build: manifests generate fmt vet ## Build manager binary.
+build: manifests generate fmt vet ## Build manager and mirror-agent binaries.
 	go build -o bin/manager cmd/main.go
+	go build -o bin/mirror-agent ./cmd/mirror-agent
 
 .PHONY: run
 run: manifests generate fmt vet ## Run a controller from your host.

PROJECT

@@ -17,4 +17,13 @@ resources:
   kind: EtcdCluster
   path: go.etcd.io/etcd-operator/api/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+    namespaced: true
+  controller: true
+  domain: etcd.io
+  group: operator
+  kind: EtcdMirror
+  path: go.etcd.io/etcd-operator/api/v1alpha1
+  version: v1alpha1
 version: "3"

api/v1alpha1/groupversion_info.go

@@ -40,6 +40,8 @@ func addKnownTypes(s *runtime.Scheme) error {
 	s.AddKnownTypes(GroupVersion,
 		&EtcdCluster{},
 		&EtcdClusterList{},
+		&EtcdMirror{},
+		&EtcdMirrorList{},
 	)
 	metav1.AddToGroupVersion(s, GroupVersion)
 	return nil