initial commit

.gitignore

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+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin
+
+# Test binary, build 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
+
+!vendor/**/zz_generated.*
+
+# editor and IDE paraphernalia
+.idea
+*.swp
+*.swo
+*~
+
+testbin/*

Dockerfile

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+# Build the manager binary
+FROM golang:1.13 as builder
+
+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 main.go main.go
+COPY api/ api/
+COPY controllers/ controllers/
+
+# Build
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager 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 nonroot:nonroot
+
+ENTRYPOINT ["/manager"]

Makefile

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+# Current Operator version
+VERSION ?= 0.0.1
+# Default bundle image tag
+BUNDLE_IMG ?= controller-bundle:$(VERSION)
+# Options for 'bundle-build'
+ifneq ($(origin CHANNELS), undefined)
+BUNDLE_CHANNELS := --channels=$(CHANNELS)
+endif
+ifneq ($(origin DEFAULT_CHANNEL), undefined)
+BUNDLE_DEFAULT_CHANNEL := --default-channel=$(DEFAULT_CHANNEL)
+endif
+BUNDLE_METADATA_OPTS ?= $(BUNDLE_CHANNELS) $(BUNDLE_DEFAULT_CHANNEL)
+
+# Image URL to use all building/pushing image targets
+IMG ?= controller:latest
+# Produce CRDs that work back to Kubernetes 1.11 (no version conversion)
+CRD_OPTIONS ?= "crd:trivialVersions=true"
+
+# Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
+ifeq (,$(shell go env GOBIN))
+GOBIN=$(shell go env GOPATH)/bin
+else
+GOBIN=$(shell go env GOBIN)
+endif
+
+all: manager
+
+# Run tests
+ENVTEST_ASSETS_DIR=$(shell pwd)/test/assets
+test: generate fmt vet manifests
+	mkdir -p ${ENVTEST_ASSETS_DIR}
+	test -f ${ENVTEST_ASSETS_DIR}/setup-envtest.sh || curl -sSLo ${ENVTEST_ASSETS_DIR}/setup-envtest.sh https://raw.githubusercontent.com/kubernetes-sigs/controller-runtime/master/hack/setup-envtest.sh
+	source ${ENVTEST_ASSETS_DIR}/setup-envtest.sh; fetch_envtest_tools $(ENVTEST_ASSETS_DIR); setup_envtest_env $(ENVTEST_ASSETS_DIR); go test ./... -coverprofile cover.out
+
+# Build manager binary
+manager: generate fmt vet
+	go build -o bin/manager main.go
+
+# Run against the configured Kubernetes cluster in ~/.kube/config
+run: generate fmt vet manifests
+	go run ./main.go
+
+# Install CRDs into a cluster
+install: manifests kustomize
+	$(KUSTOMIZE) build config/crd | kubectl apply -f -
+
+# Uninstall CRDs from a cluster
+uninstall: manifests kustomize
+	$(KUSTOMIZE) build config/crd | kubectl delete -f -
+
+# Deploy controller in the configured Kubernetes cluster in ~/.kube/config
+deploy: manifests kustomize
+	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
+	$(KUSTOMIZE) build config/default | kubectl apply -f -
+
+# Generate manifests e.g. CRD, RBAC etc.
+manifests: controller-gen
+	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+
+# Run go fmt against code
+fmt:
+	go fmt ./...
+
+# Run go vet against code
+vet:
+	go vet ./...
+
+# Generate code
+generate: controller-gen
+	$(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..."
+
+# Build the docker image
+docker-build: test
+	docker build . -t ${IMG}
+
+# Push the docker image
+docker-push:
+	docker push ${IMG}
+
+# find or download controller-gen
+# download controller-gen if necessary
+controller-gen:
+ifeq (, $(shell which controller-gen))
+	@{ \
+	set -e ;\
+	CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\
+	cd $$CONTROLLER_GEN_TMP_DIR ;\
+	go mod init tmp ;\
+	go get sigs.k8s.io/controller-tools/cmd/[email protected] ;\
+	rm -rf $$CONTROLLER_GEN_TMP_DIR ;\
+	}
+CONTROLLER_GEN=$(GOBIN)/controller-gen
+else
+CONTROLLER_GEN=$(shell which controller-gen)
+endif
+
+kustomize:
+ifeq (, $(shell which kustomize))
+	@{ \
+	set -e ;\
+	KUSTOMIZE_GEN_TMP_DIR=$$(mktemp -d) ;\
+	cd $$KUSTOMIZE_GEN_TMP_DIR ;\
+	go mod init tmp ;\
+	go get sigs.k8s.io/kustomize/kustomize/[email protected] ;\
+	rm -rf $$KUSTOMIZE_GEN_TMP_DIR ;\
+	}
+KUSTOMIZE=$(GOBIN)/kustomize
+else
+KUSTOMIZE=$(shell which kustomize)
+endif
+
+# Generate bundle manifests and metadata, then validate generated files.
+.PHONY: bundle
+bundle: manifests
+	operator-sdk generate kustomize manifests -q
+	cd config/manager && $(KUSTOMIZE) edit set image controller=$(IMG)
+	$(KUSTOMIZE) build config/manifests | operator-sdk generate bundle -q --overwrite --version $(VERSION) $(BUNDLE_METADATA_OPTS)
+	operator-sdk bundle validate ./bundle
+
+# Build the bundle image.
+.PHONY: bundle-build
+bundle-build:
+	docker build -f bundle.Dockerfile -t $(BUNDLE_IMG) .

PROJECT

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+domain: elenskiy.co
+layout: go.kubebuilder.io/v2
+projectName: hbase-k8s-operator
+repo: github.com/timoha/hbase-k8s-operator
+resources:
+- group: hbase
+  kind: HBase
+  version: v1
+version: 3-alpha
+plugins:
+  go.sdk.operatorframework.io/v2-alpha: {}

api/v1/groupversion_info.go

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+/*
+
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Package v1 contains API Schema definitions for the hbase v1 API group
+// +kubebuilder:object:generate=true
+// +groupName=hbase.elenskiy.co
+package v1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"sigs.k8s.io/controller-runtime/pkg/scheme"
+)
+
+var (
+	// GroupVersion is group version used to register these objects
+	GroupVersion = schema.GroupVersion{Group: "hbase.elenskiy.co", Version: "v1"}
+
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
+
+	// AddToScheme adds the types in this group-version to the given scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
+)

api/v1/hbase_types.go

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+/*
+
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package v1
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// EDIT THIS FILE!  THIS IS SCAFFOLDING FOR YOU TO OWN!
+// NOTE: json tags are required.  Any new fields you add must have json tags for the fields to be serialized.
+
+// HBaseSpec defines the desired state of HBase
+type HBaseSpec struct {
+	// MasterSpec is definition of HBase Master server
+	MasterSpec ServerSpec `json:"masterSpec,omitempty"`
+	// RegionServerSpec is definition of HBase RegionServer
+	RegionServerSpec ServerSpec `json:"regionServerSpec,omitempty"`
+
+	// Config is config map for HBase and Hadoop.
+	// The config map will be automatically added to each pod as "config" volume.
+	// Typical files are:
+	// hbase-site.xml - main configuration file
+	// hbase-env.sh - script to set up the working environment, including the location of Java, Java options,
+	// and other environment variables.
+	// log4j.properties - configuration file for logging via log4j.
+	// core-site.xml - global Hadoop configuration file
+	// hdfs-site.xml - HDFS specific configuration file
+	// hadoop-env.sh - script to set up the working environment for hadoop, including the location of Java,
+	// Java options, and other environment variables.
+	Config ConfigMap `json:"config,omitempty"`
+}
+
+// ConfigMap holds configuration data for HBase
+type ConfigMap struct {
+	// Data where key is name of file, value is data
+	Data map[string]string `json:"data,omitempty"`
+}
+
+// ServerMetadata allows to specify labels and annotations to resulting statefulsets and pods
+type ServerMetadata struct {
+	// Labels.
+	Labels map[string]string `json:"labels,omitempty"`
+	// Annotations.
+	Annotations map[string]string `json:"annotations,omitempty"`
+}
+
+// ServerSpec is a specification for an HBase server (Master or Regionserver)
+type ServerSpec struct {
+	// PodSpec aprovides customisation options (affinity rules, resource requests, and so on).
+	// +kubebuilder:validation:Optional
+	PodSpec corev1.PodSpec `json:"podSpec,omitempty"`
+	// Metadata provides customisation options (labels, annotations)
+	Metadata ServerMetadata `json:"metadata,omitempty"`
+	// Count of replicas to deploy.
+	// +kubebuilder:validation:Optional
+	Count int32 `json:"count,omitempty"`
+}
+
+// HBaseStatus defines the observed state of HBase
+type HBaseStatus struct {
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:subresource:status
+
+// HBase is the Schema for the hbases API
+type HBase struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   HBaseSpec   `json:"spec,omitempty"`
+	Status HBaseStatus `json:"status,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+
+// HBaseList contains a list of HBase
+type HBaseList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []HBase `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&HBase{}, &HBaseList{})
+}