Deployment.

Makefile

@@ -0,0 +1,99 @@
+#
+#   make              - default to 'build' target
+#   make test         - run unit test
+#   make build        - build local binary targets
+#   make docker-build - build local binary targets by docker
+#   make container    - build containers
+#   make push         - push containers
+#   make clean        - clean up targets
+#
+# The makefile is also responsible to populate project version information.
+
+#
+# Tweak the variables based on your project.
+#
+
+# Current version of the project.
+VERSION ?= v0.0.1
+
+# Target binaries. You can build multiple binaries for a single project.
+TARGETS := sym-operator
+
+# Container registries.
+# REGISTRIES := hub.tencentyun.com/xkcp0324/
+REGISTRIES := hub.tencentyun.com/demo001/
+
+# Container image prefix and suffix added to targets.
+# The final built images are:
+#   $[REGISTRY]$[IMAGE_PREFIX]$[TARGET]$[IMAGE_SUFFIX]:$[VERSION]
+# $[REGISTRY] is an item from $[REGISTRIES], $[TARGET] is an item from $[TARGETS].
+IMAGE_PREFIX ?= $(strip )
+IMAGE_SUFFIX ?= $(strip )
+
+# This repo's root import path (under GOPATH).
+ROOT := github.com/yangyongzhi/sym-operator
+
+# Project main package location (can be multiple ones).
+CMD_DIR := ./cmd
+
+# Project output directory.
+OUTPUT_DIR := ./bin
+
+# docker file direcotory.
+DOCKER_DIR := ./docker
+
+# Git commit sha.
+COMMIT := $(strip $(shell git rev-parse --short HEAD 2>/dev/null))
+COMMIT := $(COMMIT)$(shell git diff-files --quiet || echo '-dirty')
+COMMIT := $(if $(COMMIT),$(COMMIT),"Unknown")
+
+
+GO_VERSION := 1.12.5
+ARCH     ?= $(shell go env GOARCH)
+BuildDate = $(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
+Commit    = $(shell git rev-parse --short HEAD)
+GOENV     := GO111MODULE=on CGO_ENABLED=0 GOOS=$(shell uname -s | tr A-Z a-z) GOARCH=$(ARCH)
+GO        := $(GOENV) go build -mod=vendor
+
+#
+# Define all targets. At least the following commands are required:
+#
+
+.PHONY: build container push test clean
+
+build:
+	$(GO) -v -o $(OUTPUT_DIR)/$(TARGETS)     -ldflags "-s -w "	   .
+
+mod-reset-vendor:
+	@$(shell [ -f go.mod ] && go mod vendor)
+
+docker-build:
+	docker run --rm -v "$$PWD":/go/src/${ROOT} -w /go/src/${ROOT}                      \
+	hub.tencentyun.com/xkcp0324/golang:${GO_VERSION} make build
+
+container:
+	@for target in $(TARGETS); do                                                      \
+	  for registry in $(REGISTRIES); do                                                \
+	    image=$(IMAGE_PREFIX)$${target}$(IMAGE_SUFFIX);                                \
+	    docker build -t $${registry}$${image}:$(VERSION)                               \
+	      --build-arg ROOT=$(ROOT) --build-arg TARGET=$${target}                       \
+	      --build-arg CMD_DIR=$(CMD_DIR)                                               \
+	      --build-arg VERSION=$(VERSION)                                               \
+	      --build-arg COMMIT=$(COMMIT)                                                 \
+	      -f $(DOCKER_DIR)/$${target}/Dockerfile .;                                    \
+	  done                                                                             \
+	done
+
+push: container
+	@for target in $(TARGETS); do                                                      \
+	  for registry in $(REGISTRIES); do                                                \
+	    image=$(IMAGE_PREFIX)$${target}$(IMAGE_SUFFIX);                                \
+	    docker push $${registry}$${image}:$(VERSION);                                  \
+	  done                                                                             \
+	done
+
+test:
+	@go test ./...
+
+clean:
+	@rm -vrf ${OUTPUT_DIR}/*

charts/sym-operator/.helmignore

@@ -0,0 +1,22 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/sym-operator/Chart.yaml

@@ -0,0 +1,5 @@
+apiVersion: v1
+appVersion: "0.0.1"
+description: The operator for symphony
+name: sym-operator
+version: 0.0.1

charts/sym-operator/templates/_helpers.tpl

@@ -0,0 +1,32 @@
+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "sym-operator.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "sym-operator.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "sym-operator.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}

charts/sym-operator/templates/deployment.yaml

@@ -0,0 +1,40 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "sym-operator.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+    helm.sh/chart: {{ include "sym-operator.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+    spec:
+      serviceAccountName: {{ template "sym-operator.name" . }}
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+    {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}
+    {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+    {{- end }}

charts/sym-operator/templates/rbac.yaml

@@ -0,0 +1,29 @@
+{{- if .Values.rbac.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ template "sym-operator.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+    helm.sh/chart: {{ include "sym-operator.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+    helm.sh/chart: {{ include "sym-operator.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  name: {{ template "sym-operator.fullname" . }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: {{ template "sym-operator.fullname" . }}
+    namespace: {{ .Release.Namespace }}
+{{- end -}}

charts/sym-operator/templates/service.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "sym-operator.fullname" . }}
+  labels:
+    app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+    helm.sh/chart: {{ include "sym-operator.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "sym-operator.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}

charts/sym-operator/values.yaml

@@ -0,0 +1,39 @@
+# Default values for sym-operator.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+replicaCount: 1
+
+image:
+  repository: hub.tencentyun.com/demo001/sym-operator
+  tag: v0.0.1
+  pullPolicy: IfNotPresent
+
+nameOverride: ""
+fullnameOverride: ""
+
+service:
+  type: ClusterIP
+  port: 80
+
+resources: {}
+  # We usually recommend not to specify default resources and to leave this as a conscious
+  # choice for the user. This also increases chances charts run on environments with little
+  # resources, such as Minikube. If you do want to specify resources, uncomment the following
+  # lines, adjust them as necessary, and remove the curly braces after 'resources:'.
+  # limits:
+  #  cpu: 100m
+  #  memory: 128Mi
+  # requests:
+  #  cpu: 100m
+  #  memory: 128Mi
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+rbac:
+  create: true
+  serviceAccountName: default

docker/sym-operator/Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine:3.9
+MAINTAINER yongzhi <[email protected]>
+
+RUN apk add --no-cache tzdata curl busybox-extras && \
+    cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    echo "Asia/Shanghai">>/etc/timezone
+
+COPY bin/sym-operator /sym-operator
+
+EXPOSE 8080
+
+ENTRYPOINT ["/sym-operator"]
+

main.go

@@ -19,6 +19,7 @@ package main
 import (
 	"flag"
 	"github.com/yangyongzhi/sym-operator/pkg/helm"
+	"k8s.io/client-go/rest"
 	"os"
 	"time"
 
@@ -47,8 +48,14 @@ func main() {
 
 	// set up signals so we handle the first shutdown signal gracefully
 	stopCh := signals.SetupSignalHandler()
+	var cfg *rest.Config
+	var err error
+	if kubeconfig != "" {
+		cfg, err = clientcmd.BuildConfigFromFlags(masterURL, kubeconfig) // out of cluster config
+	} else {
+		cfg, err = rest.InClusterConfig()
+	}
 
-	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
 	if err != nil {
 		klog.Fatalf("Error building kubeconfig: %s", err.Error())
 	}