*: health check enhancement

.dockerignore

@@ -3,3 +3,7 @@
 !**/*.go
 !**/*.mod
 !**/*.sum
+.git
+bin
+testbin
+vendor

Makefile

@@ -1,10 +1,13 @@
 # Image URL to use all building/pushing image targets
-REGISTRY ?= quay.io
 FROM_VERSION ?=v2.2.1
 CHART_VERSION ?=2.2.1
 CHART_TOVERSION ?=2.3.0
 TO_VERSION ?=v2.3.0
 IMGPREFIX ?=radondb/
+MYSQL_IMAGE_57 ?=5.7.39
+MYSQL_IMAGE_80 ?=8.0.26
+MYSQL_IMAGE_57_TAG ?=$(IMGPREFIX)percona-server:$(MYSQL_IMAGE_57)
+MYSQL_IMAGE_80_TAG ?=$(IMGPREFIX)percona-server:$(MYSQL_IMAGE_80)
 IMG ?= $(IMGPREFIX)mysql-operator:latest
 SIDECAR57_IMG ?= $(IMGPREFIX)mysql57-sidecar:latest
 SIDECAR80_IMG ?= $(IMGPREFIX)mysql80-sidecar:latest
@@ -79,10 +82,13 @@ run: manifests generate fmt vet ## Run a controller from your host.
 	go run ./cmd/manager/main.go
 
 docker-build: test ## Build docker image with the manager.
-	docker build --build-arg GO_PROXY=${GO_PORXY} -t ${IMG} .
-	docker build -f Dockerfile.sidecar --build-arg GO_PROXY=${GO_PORXY} -t ${SIDECAR57_IMG} .
-	docker build -f build/xenon/Dockerfile --build-arg GO_PROXY=${GO_PORXY} -t ${XENON_IMG} .
-	docker build --build-arg XTRABACKUP_PKG=percona-xtrabackup-80  --build-arg GO_PROXY=${GO_PORXY} -f  Dockerfile.sidecar -t ${SIDECAR80_IMG} .
+	docker buildx build --build-arg GO_PROXY=${GO_PORXY} -t ${IMG} .
+	docker buildx build -f Dockerfile.sidecar --build-arg GO_PROXY=${GO_PORXY} -t ${SIDECAR57_IMG} .
+	docker buildx build -f build/xenon/Dockerfile --build-arg GO_PROXY=${GO_PORXY} -t ${XENON_IMG} .
+	docker buildx build  --build-arg XTRABACKUP_PKG=percona-xtrabackup-80  --build-arg GO_PROXY=${GO_PORXY} -f  Dockerfile.sidecar -t ${SIDECAR80_IMG} .
+	docker buildx build  --build-arg "MYSQL_IMAGE=${MYSQL_IMAGE_57}"  --build-arg GO_PROXY=${GO_PORXY} -f build/mysql/Dockerfile  -t ${MYSQL_IMAGE_57_TAG}   .
+	docker buildx build  --build-arg "MYSQL_IMAGE=${MYSQL_IMAGE_80}"  --build-arg GO_PROXY=${GO_PORXY} -f build/mysql/Dockerfile  -t ${MYSQL_IMAGE_80_TAG}   .
+
 docker-push: ## Push docker image with the manager.
 	docker push ${IMG}
 	docker push ${SIDECAR_IMG}

api/v1alpha1/mysqlcluster_types.go

@@ -175,6 +175,13 @@ type MysqlOpts struct {
 	// +optional
 	// +kubebuilder:default:={limits: {cpu: "500m", memory: "1Gi"}, requests: {cpu: "100m", memory: "256Mi"}}
 	Resources corev1.ResourceRequirements `json:"resources,omitempty"`
+
+	// MaxLagSeconds configures the readiness probe of mysqld container
+	// if the replication lag is greater than MaxLagSeconds, the mysqld container will not be not healthy.
+	// +kubebuilder:default:=30
+	// +kubebuilder:validation:Minimum=0
+	// +optional
+	MaxLagSeconds int `json:"maxLagTime,omitempty"`
 }
 
 // XenonOpts defines the options of xenon container.

build/mysql/Dockerfile

@@ -0,0 +1,25 @@
+# Build the manager binary
+ARG MYSQL_IMAGE
+FROM golang:1.17.13 as builder
+WORKDIR /workspace
+# Copy the Go Modules manifests
+COPY go.mod go.mod
+COPY go.sum go.sum
+ARG GO_PROXY=off
+RUN if [ "$GO_PROXY" = "on" ]; then \
+    go env -w GOPROXY=https://goproxy.cn,direct; \
+    fi
+RUN  go mod download
+# Copy the go source
+COPY ./ .
+# Build
+RUN CGO_ENABLED=0 go build  -a -o mysqlchecker ./cmd/mysql/main.go
+FROM percona/percona-server:${MYSQL_IMAGE}
+WORKDIR /
+COPY --from=builder /workspace/mysqlchecker /usr/bin/mysqlchecker
+USER 65532:65532
+ENTRYPOINT ["/docker-entrypoint.sh"]
+
+USER mysql
+EXPOSE 3306
+CMD ["mysqld"]