├── .dockerignore ├── .gitignore ├── .helmignore ├── Dockerfile ├── Jenkinsfile ├── LICENSE ├── README.md ├── charts ├── preview │ ├── Chart.yaml │ ├── Makefile │ ├── requirements.yaml │ └── values.yaml └── spring-cloud-k8s-minion │ ├── .helmignore │ ├── Chart.yaml │ ├── Makefile │ ├── README.md │ ├── templates │ ├── NOTES.txt │ ├── _helpers.tpl │ ├── deployment.yaml │ ├── minion-config-map.yaml │ ├── role-bindings.yaml │ ├── role.yaml │ ├── service.yaml │ └── serviceaccount.yaml │ └── values.yaml ├── pom.xml ├── skaffold.yaml └── src ├── main ├── java │ └── org │ │ └── minions │ │ └── demo │ │ ├── Application.java │ │ ├── BossClientService.java │ │ ├── Controller.java │ │ ├── MinionConfig.java │ │ └── MinionsLibrary.java └── resources │ ├── application.properties │ └── logback.xml └── test └── java └── org └── minions └── demo └── ApplicationTests.java /.dockerignore: -------------------------------------------------------------------------------- 1 | draft.toml 2 | charts/ 3 | NOTICE 4 | LICENSE 5 | README.md -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | target 2 | 3 | # Compiled class file 4 | *.class 5 | 6 | # Log file 7 | *.log 8 | 9 | # BlueJ files 10 | *.ctxt 11 | 12 | # Mobile Tools for Java (J2ME) 13 | .mtj.tmp/ 14 | 15 | # Package Files # 16 | *.jar 17 | *.war 18 | *.ear 19 | *.zip 20 | *.tar.gz 21 | *.rar 22 | 23 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 24 | hs_err_pid* 25 | 26 | #IDE metadata 27 | **.idea/** 28 | .idea/ 29 | *.iml 30 | 31 | # Eclipse 32 | .project 33 | .classpath 34 | .settings -------------------------------------------------------------------------------- /.helmignore: -------------------------------------------------------------------------------- 1 | # Patterns to ignore when building packages. 2 | # This supports shell glob matching, relative path matching, and 3 | # negation (prefixed with !). Only one pattern per line. 4 | .DS_Store 5 | # Common VCS dirs 6 | .git/ 7 | .gitignore 8 | .bzr/ 9 | .bzrignore 10 | .hg/ 11 | .hgignore 12 | .svn/ 13 | # Common backup files 14 | *.swp 15 | *.bak 16 | *.tmp 17 | *~ 18 | # Various IDEs 19 | .project 20 | .idea/ 21 | *.tmproj 22 | *.png 23 | 24 | # known compile time folders 25 | target/ 26 | node_modules/ 27 | vendor/ -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | FROM openjdk:8-jdk-alpine 2 | ENV PORT 8080 3 | EXPOSE 8080 4 | COPY target/*.jar /opt/app.jar 5 | WORKDIR /opt 6 | CMD ["java", "-jar", "app.jar"] 7 | -------------------------------------------------------------------------------- /Jenkinsfile: -------------------------------------------------------------------------------- 1 | pipeline { 2 | agent { 3 | label "jenkins-maven" 4 | } 5 | environment { 6 | ORG = 'salaboy' 7 | APP_NAME = 'spring-cloud-k8s-minion' 8 | CHARTMUSEUM_CREDS = credentials('jenkins-x-chartmuseum') 9 | } 10 | stages { 11 | stage('CI Build and push snapshot') { 12 | when { 13 | branch 'PR-*' 14 | } 15 | environment { 16 | PREVIEW_VERSION = "0.0.0-SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER" 17 | PREVIEW_NAMESPACE = "$APP_NAME-$BRANCH_NAME".toLowerCase() 18 | HELM_RELEASE = "$PREVIEW_NAMESPACE".toLowerCase() 19 | } 20 | steps { 21 | container('maven') { 22 | sh "mvn versions:set -DnewVersion=$PREVIEW_VERSION" 23 | sh "mvn install" 24 | sh 'export VERSION=$PREVIEW_VERSION && skaffold build -f skaffold.yaml' 25 | 26 | 27 | sh "jx step post build --image $DOCKER_REGISTRY/$ORG/$APP_NAME:$PREVIEW_VERSION" 28 | } 29 | 30 | dir ('./charts/preview') { 31 | container('maven') { 32 | sh "make preview" 33 | sh "jx preview --app $APP_NAME --dir ../.." 34 | } 35 | } 36 | } 37 | } 38 | stage('Build Release') { 39 | when { 40 | branch 'develop' 41 | } 42 | steps { 43 | container('maven') { 44 | // ensure we're not on a detached head 45 | sh "git checkout develop" 46 | sh "git config --global credential.helper store" 47 | 48 | sh "jx step git credentials" 49 | // so we can retrieve the version in later steps 50 | sh "echo \$(jx-release-version) > VERSION" 51 | sh "mvn versions:set -DnewVersion=\$(cat VERSION)" 52 | } 53 | dir ('./charts/spring-cloud-k8s-minion') { 54 | container('maven') { 55 | sh "make tag" 56 | } 57 | } 58 | container('maven') { 59 | sh 'mvn clean deploy' 60 | 61 | sh 'export VERSION=`cat VERSION` && skaffold build -f skaffold.yaml' 62 | 63 | 64 | sh "jx step post build --image $DOCKER_REGISTRY/$ORG/$APP_NAME:\$(cat VERSION)" 65 | } 66 | } 67 | } 68 | stage('Promote to Environments') { 69 | when { 70 | branch 'develop' 71 | } 72 | steps { 73 | dir ('./charts/spring-cloud-k8s-minion') { 74 | container('maven') { 75 | sh 'jx step changelog --version v\$(cat ../../VERSION)' 76 | 77 | // release the helm chart 78 | sh 'jx step helm release' 79 | 80 | // promote through all 'Auto' promotion Environments 81 | sh 'jx promote -b --all-auto --timeout 1h --version \$(cat ../../VERSION)' 82 | } 83 | } 84 | } 85 | } 86 | } 87 | post { 88 | always { 89 | cleanWs() 90 | } 91 | failure { 92 | input """Pipeline failed. 93 | We will keep the build pod around to help you diagnose any failures. 94 | 95 | Select Proceed or Abort to terminate the build pod""" 96 | } 97 | } 98 | } 99 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # spring-cloud-k8s-minion -------------------------------------------------------------------------------- /charts/preview/Chart.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | description: A Helm chart for Kubernetes 3 | icon: https://raw.githubusercontent.com/jenkins-x/jenkins-x-platform/master/images/java.png 4 | name: preview 5 | version: 0.1.0-SNAPSHOT 6 | -------------------------------------------------------------------------------- /charts/preview/Makefile: -------------------------------------------------------------------------------- 1 | OS := $(shell uname) 2 | 3 | preview: 4 | ifeq ($(OS),Darwin) 5 | sed -i "" -e "s/version:.*/version: $(PREVIEW_VERSION)/" Chart.yaml 6 | sed -i "" -e "s/version:.*/version: $(PREVIEW_VERSION)/" ../*/Chart.yaml 7 | sed -i "" -e "s/tag: .*/tag: $(PREVIEW_VERSION)/" values.yaml 8 | else ifeq ($(OS),Linux) 9 | sed -i -e "s/version:.*/version: $(PREVIEW_VERSION)/" Chart.yaml 10 | sed -i -e "s/version:.*/version: $(PREVIEW_VERSION)/" ../*/Chart.yaml 11 | sed -i -e "s/repository: .*/repository: $(DOCKER_REGISTRY)\/salaboy\/spring-cloud-k8s-minion/" values.yaml 12 | sed -i -e "s/tag: .*/tag: $(PREVIEW_VERSION)/" values.yaml 13 | else 14 | echo "platfrom $(OS) not supported to release from" 15 | exit -1 16 | endif 17 | echo " version: $(PREVIEW_VERSION)" >> requirements.yaml 18 | jx step helm build 19 | -------------------------------------------------------------------------------- /charts/preview/requirements.yaml: -------------------------------------------------------------------------------- 1 | 2 | dependencies: 3 | - alias: expose 4 | name: exposecontroller 5 | repository: https://chartmuseum.build.cd.jenkins-x.io 6 | version: 2.3.56 7 | - alias: cleanup 8 | name: exposecontroller 9 | repository: https://chartmuseum.build.cd.jenkins-x.io 10 | version: 2.3.56 11 | - alias: preview 12 | name: spring-cloud-k8s-minion 13 | repository: file://../spring-cloud-k8s-minion 14 | -------------------------------------------------------------------------------- /charts/preview/values.yaml: -------------------------------------------------------------------------------- 1 | 2 | expose: 3 | Annotations: 4 | helm.sh/hook: post-install,post-upgrade 5 | helm.sh/hook-delete-policy: hook-succeeded 6 | config: 7 | exposer: Ingress 8 | http: true 9 | tlsacme: false 10 | 11 | cleanup: 12 | Args: 13 | - --cleanup 14 | Annotations: 15 | helm.sh/hook: pre-delete 16 | helm.sh/hook-delete-policy: hook-succeeded 17 | 18 | preview: 19 | image: 20 | repository: 21 | tag: 22 | pullPolicy: IfNotPresent -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/.helmignore: -------------------------------------------------------------------------------- 1 | # Patterns to ignore when building packages. 2 | # This supports shell glob matching, relative path matching, and 3 | # negation (prefixed with !). Only one pattern per line. 4 | .DS_Store 5 | # Common VCS dirs 6 | .git/ 7 | .gitignore 8 | .bzr/ 9 | .bzrignore 10 | .hg/ 11 | .hgignore 12 | .svn/ 13 | # Common backup files 14 | *.swp 15 | *.bak 16 | *.tmp 17 | *~ 18 | # Various IDEs 19 | .project 20 | .idea/ 21 | *.tmproj 22 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/Chart.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | description: A Helm chart for Kubernetes 3 | icon: https://raw.githubusercontent.com/jenkins-x/jenkins-x-platform/master/images/java.png 4 | name: spring-cloud-k8s-minion 5 | version: 0.1.0-SNAPSHOT 6 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/Makefile: -------------------------------------------------------------------------------- 1 | CHART_REPO := http://jenkins-x-chartmuseum:8080 2 | CURRENT=$(pwd) 3 | NAME := spring-cloud-k8s-minion 4 | OS := $(shell uname) 5 | RELEASE_VERSION := $(shell cat ../../VERSION) 6 | 7 | build: clean 8 | rm -rf requirements.lock 9 | helm dependency build 10 | helm lint 11 | 12 | install: clean build 13 | helm install . --name ${NAME} 14 | 15 | upgrade: clean build 16 | helm upgrade ${NAME} . 17 | 18 | delete: 19 | helm delete --purge ${NAME} 20 | 21 | clean: 22 | rm -rf charts 23 | rm -rf ${NAME}*.tgz 24 | 25 | release: clean 26 | helm dependency build 27 | helm lint 28 | helm init --client-only 29 | helm package . 30 | curl --fail -u $(CHARTMUSEUM_CREDS_USR):$(CHARTMUSEUM_CREDS_PSW) --data-binary "@$(NAME)-$(shell sed -n 's/^version: //p' Chart.yaml).tgz" $(CHART_REPO)/api/charts 31 | rm -rf ${NAME}*.tgz% 32 | 33 | tag: 34 | ifeq ($(OS),Darwin) 35 | sed -i "" -e "s/version:.*/version: $(RELEASE_VERSION)/" Chart.yaml 36 | sed -i "" -e "s/tag: .*/tag: $(RELEASE_VERSION)/" values.yaml 37 | else ifeq ($(OS),Linux) 38 | sed -i -e "s/version:.*/version: $(RELEASE_VERSION)/" Chart.yaml 39 | sed -i -e "s/repository: .*/repository: $(DOCKER_REGISTRY)\/salaboy\/spring-cloud-k8s-minion/" values.yaml 40 | sed -i -e "s/tag: .*/tag: $(RELEASE_VERSION)/" values.yaml 41 | else 42 | echo "platfrom $(OS) not supported to release from" 43 | exit -1 44 | endif 45 | git add --all 46 | git commit -m "release $(RELEASE_VERSION)" --allow-empty # if first release then no verion update is performed 47 | git tag -fa v$(RELEASE_VERSION) -m "Release version $(RELEASE_VERSION)" 48 | git push origin v$(RELEASE_VERSION) 49 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/README.md: -------------------------------------------------------------------------------- 1 | # Java application -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/NOTES.txt: -------------------------------------------------------------------------------- 1 | 2 | Get the application URL by running these commands: 3 | 4 | kubectl get ingress {{ template "fullname" . }} 5 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/_helpers.tpl: -------------------------------------------------------------------------------- 1 | {{/* vim: set filetype=mustache: */}} 2 | {{/* 3 | Expand the name of the chart. 4 | */}} 5 | {{- define "name" -}} 6 | {{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} 7 | {{- end -}} 8 | 9 | {{/* 10 | Create a default fully qualified app name. 11 | We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). 12 | */}} 13 | {{- define "fullname" -}} 14 | {{- $name := default .Chart.Name .Values.nameOverride -}} 15 | {{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} 16 | {{- end -}} 17 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/deployment.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: Deployment 3 | metadata: 4 | name: {{ template "fullname" . }} 5 | labels: 6 | draft: {{ default "draft-app" .Values.draft }} 7 | chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}" 8 | spec: 9 | replicas: {{ .Values.replicaCount }} 10 | template: 11 | metadata: 12 | labels: 13 | draft: {{ default "draft-app" .Values.draft }} 14 | app: {{ .Values.service.name }} 15 | {{- if .Values.podAnnotations }} 16 | annotations: 17 | {{ toYaml .Values.podAnnotations | indent 8 }} 18 | {{- end }} 19 | spec: 20 | containers: 21 | - name: {{ .Chart.Name }} 22 | image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" 23 | imagePullPolicy: {{ .Values.image.pullPolicy }} 24 | ports: 25 | - containerPort: {{ .Values.service.internalPort }} 26 | livenessProbe: 27 | httpGet: 28 | path: {{ .Values.probePath }} 29 | port: {{ .Values.service.internalPort }} 30 | initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }} 31 | periodSeconds: {{ .Values.livenessProbe.periodSeconds }} 32 | successThreshold: {{ .Values.livenessProbe.successThreshold }} 33 | timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }} 34 | readinessProbe: 35 | httpGet: 36 | path: {{ .Values.probePath }} 37 | port: {{ .Values.service.internalPort }} 38 | periodSeconds: {{ .Values.readinessProbe.periodSeconds }} 39 | successThreshold: {{ .Values.readinessProbe.successThreshold }} 40 | timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }} 41 | resources: 42 | {{ toYaml .Values.resources | indent 12 }} 43 | terminationGracePeriodSeconds: {{ .Values.terminationGracePeriodSeconds }} 44 | serviceAccountName: {{ .Values.service.name }} -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/minion-config-map.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ConfigMap 3 | metadata: 4 | name: {{ .Values.service.name }} 5 | data: 6 | application.properties: |- 7 | minion.type=one-eyed-minion -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/role-bindings.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: rbac.authorization.k8s.io/v1 2 | kind: RoleBinding 3 | metadata: 4 | name: {{ .Chart.Name }} 5 | namespace: {{ .Release.Namespace }} 6 | roleRef: 7 | apiGroup: rbac.authorization.k8s.io 8 | kind: Role 9 | name: {{ .Chart.Name }} 10 | subjects: 11 | - kind: ServiceAccount 12 | name: {{ .Values.service.name }} 13 | namespace: {{ .Release.Namespace }} -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/role.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: rbac.authorization.k8s.io/v1 2 | kind: Role 3 | metadata: 4 | name: {{ .Chart.Name }} 5 | rules: 6 | - apiGroups: 7 | - extensions 8 | resources: 9 | - ingresses 10 | verbs: 11 | - get 12 | - list 13 | - watch 14 | - patch 15 | - create 16 | - update 17 | - delete 18 | - apiGroups: 19 | - "" 20 | resources: 21 | - configmaps 22 | - services 23 | - endpoints 24 | - pods 25 | - configmaps 26 | verbs: 27 | - get 28 | - list 29 | - watch 30 | - patch 31 | - update 32 | - apiGroups: 33 | - apps 34 | resources: 35 | - deployments 36 | verbs: 37 | - get 38 | - list 39 | - watch 40 | - patch 41 | - update 42 | - apiGroups: 43 | - "" 44 | resources: 45 | - routes 46 | verbs: 47 | - get 48 | - list 49 | - watch 50 | - patch 51 | - create 52 | - update 53 | - delete 54 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/service.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Service 3 | metadata: 4 | {{- if .Values.service.name }} 5 | name: {{ .Values.service.name }} 6 | {{- else }} 7 | name: {{ template "fullname" . }} 8 | {{- end }} 9 | labels: 10 | chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}" 11 | {{- if .Values.service.annotations }} 12 | annotations: 13 | {{ toYaml .Values.service.annotations | indent 4 }} 14 | {{- end }} 15 | spec: 16 | type: {{ .Values.service.type }} 17 | ports: 18 | - port: {{ .Values.service.externalPort }} 19 | targetPort: {{ .Values.service.internalPort }} 20 | protocol: TCP 21 | name: {{ .Values.service.name }} 22 | selector: 23 | app: {{ .Values.service.name }} 24 | -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/templates/serviceaccount.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ServiceAccount 3 | metadata: 4 | labels: 5 | app: {{ .Chart.Name }} 6 | chart: "{{ .Chart.Name }}-{{ .Chart.Version }}" 7 | release: "{{ .Release.Name }}" 8 | heritage: "{{ .Release.Service }}" 9 | name: {{ .Values.service.name }} -------------------------------------------------------------------------------- /charts/spring-cloud-k8s-minion/values.yaml: -------------------------------------------------------------------------------- 1 | # Default values for Maven projects. 2 | # This is a YAML-formatted file. 3 | # Declare variables to be passed into your templates. 4 | replicaCount: 1 5 | image: 6 | repository: draft 7 | tag: dev 8 | pullPolicy: IfNotPresent 9 | service: 10 | name: spring-cloud-k8s-minion 11 | type: ClusterIP 12 | externalPort: 80 13 | internalPort: 8080 14 | annotations: 15 | fabric8.io/expose: "true" 16 | fabric8.io/ingress.annotations: "kubernetes.io/ingress.class: nginx" 17 | resources: 18 | limits: 19 | cpu: 500m 20 | memory: 768Mi 21 | requests: 22 | cpu: 400m 23 | memory: 512Mi 24 | probePath: /actuator/health 25 | livenessProbe: 26 | initialDelaySeconds: 90 27 | periodSeconds: 10 28 | successThreshold: 1 29 | timeoutSeconds: 1 30 | readinessProbe: 31 | periodSeconds: 70 32 | successThreshold: 1 33 | timeoutSeconds: 1 34 | terminationGracePeriodSeconds: 10 -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | org.spring.cloud.k8s.examples 6 | minion 7 | 1.0-SNAPSHOT 8 | 9 | jar 10 | 11 | minion 12 | Minion Project 13 | 14 | 15 | 1.8 16 | UTF-8 17 | UTF-8 18 | 2.0.4.RELEASE 19 | Finchley.SR1 20 | 0.3.0.RELEASE 21 | 3.7.0 22 | 23 | 24 | 25 | 26 | 27 | org.springframework.boot 28 | spring-boot-dependencies 29 | ${spring-boot.version} 30 | pom 31 | import 32 | 33 | 34 | org.springframework.cloud 35 | spring-cloud-dependencies 36 | ${spring-cloud.version} 37 | pom 38 | import 39 | 40 | 41 | org.springframework.cloud 42 | spring-cloud-kubernetes-dependencies 43 | ${spring.cloud.k8s.version} 44 | pom 45 | import 46 | 47 | 48 | 49 | 50 | 51 | org.springframework.cloud 52 | spring-cloud-kubernetes-discovery 53 | 54 | 55 | org.springframework.cloud 56 | spring-cloud-starter-kubernetes-config 57 | 58 | 59 | org.springframework.cloud 60 | spring-cloud-starter-netflix-hystrix 61 | 62 | 63 | org.springframework.boot 64 | spring-boot-starter-web 65 | 66 | 67 | org.springframework.boot 68 | spring-boot-starter-actuator 69 | 70 | 71 | org.springframework.boot 72 | spring-boot-starter-test 73 | test 74 | 75 | 76 | 77 | 78 | 79 | 80 | org.apache.maven.plugins 81 | maven-compiler-plugin 82 | ${maven-compiler-plugin.version} 83 | 84 | ${java.version} 85 | ${java.version} 86 | true 87 | true 88 | true 89 | 90 | 91 | 92 | org.springframework.boot 93 | spring-boot-maven-plugin 94 | 95 | 96 | 97 | repackage 98 | 99 | 100 | 101 | 102 | 103 | org.apache.maven.plugins 104 | maven-deploy-plugin 105 | 2.8.2 106 | 107 | 108 | 109 | 110 | 111 | 112 | 113 | spring-milestones 114 | Spring Milestones 115 | https://repo.spring.io/milestone/ 116 | 117 | true 118 | 119 | 120 | 121 | spring-snapshots 122 | Spring Snapshots 123 | https://repo.spring.io/snapshot/ 124 | 125 | false 126 | 127 | 128 | 129 | 130 | 131 | -------------------------------------------------------------------------------- /skaffold.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: skaffold/v1alpha2 2 | kind: Config 3 | build: 4 | tagPolicy: 5 | envTemplate: 6 | template: "{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST}}:{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT}}/salaboy/spring-cloud-k8s-minion:{{.VERSION}}" 7 | artifacts: 8 | - imageName: changeme 9 | workspace: . 10 | docker: {} 11 | local: {} 12 | deploy: 13 | kubectl: 14 | manifests: 15 | profiles: 16 | - name: dev 17 | build: 18 | tagPolicy: 19 | envTemplate: 20 | template: "{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST}}:{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT}}/salaboy/spring-cloud-k8s-minion:{{.DIGEST_HEX}}" 21 | artifacts: 22 | - docker: {} 23 | local: {} 24 | deploy: 25 | helm: 26 | releases: 27 | - name: spring-cloud-k8s-minion 28 | chartPath: charts/spring-cloud-k8s-minion 29 | setValueTemplates: 30 | image.repository: "{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST}}:{{.JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT}}/salaboy/spring-cloud-k8s-minion" 31 | image.tag: "{{.TAG}}" 32 | -------------------------------------------------------------------------------- /src/main/java/org/minions/demo/Application.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import org.apache.commons.logging.Log; 4 | import org.apache.commons.logging.LogFactory; 5 | import org.springframework.beans.factory.annotation.Autowired; 6 | import org.springframework.beans.factory.annotation.Value; 7 | import org.springframework.boot.CommandLineRunner; 8 | import org.springframework.boot.SpringApplication; 9 | import org.springframework.boot.autoconfigure.SpringBootApplication; 10 | import org.springframework.cloud.client.ServiceInstance; 11 | import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker; 12 | import org.springframework.cloud.client.discovery.DiscoveryClient; 13 | import org.springframework.cloud.client.discovery.EnableDiscoveryClient; 14 | import org.springframework.context.annotation.Bean; 15 | import org.springframework.scheduling.annotation.EnableScheduling; 16 | import org.springframework.scheduling.annotation.Scheduled; 17 | import org.springframework.web.client.RestTemplate; 18 | 19 | import java.net.InetAddress; 20 | import java.net.UnknownHostException; 21 | import java.util.List; 22 | import java.util.Map; 23 | 24 | import static org.minions.demo.BossClientService.FIND_A_BOSS_TASK; 25 | 26 | @SpringBootApplication 27 | @EnableScheduling 28 | @EnableDiscoveryClient 29 | @EnableCircuitBreaker 30 | public class Application implements CommandLineRunner { 31 | 32 | private static final Log log = LogFactory.getLog(Application.class); 33 | 34 | @Autowired 35 | private DiscoveryClient discoveryClient; 36 | 37 | @Autowired 38 | private BossClientService bossClient; 39 | 40 | @Autowired 41 | private MinionConfig minionConfig; 42 | 43 | private String taskAtHand = FIND_A_BOSS_TASK; 44 | 45 | @Bean 46 | RestTemplate restTemplate() { 47 | return new RestTemplate(); 48 | } 49 | 50 | @Value("${spring.application.name}") 51 | private String appName; 52 | 53 | public static void main(String[] args) { 54 | SpringApplication.run(Application.class, args); 55 | } 56 | 57 | @Override 58 | public void run(String... args) { 59 | log.info("Minion (" + appName + ":" + minionConfig.getType() + ")Started! "); 60 | } 61 | 62 | /* 63 | * Every 10 seconds look for a boss or keep working on the task at hand 64 | */ 65 | @Scheduled(fixedRate = 10000) 66 | public void doSomeWork() throws UnknownHostException { 67 | if (taskAtHand.equals(FIND_A_BOSS_TASK)) { 68 | taskAtHand = findANewBoss(); 69 | if (taskAtHand.equals(FIND_A_BOSS_TASK)) { 70 | log.info(">>> NO BOSS FOUND, I will keep looking for one "); 71 | } 72 | } 73 | log.info(">>> Working on " + taskAtHand); 74 | } 75 | 76 | /* 77 | * Every 60 seconds if you are not looking for a Boss, wrap up the task at hand 78 | */ 79 | @Scheduled(fixedRate = 60000) 80 | public void finishWork() { 81 | if (!taskAtHand.equals(FIND_A_BOSS_TASK)) { 82 | log.info(">>> Finishing " + taskAtHand); 83 | taskAtHand = FIND_A_BOSS_TASK; 84 | } 85 | } 86 | 87 | 88 | /* 89 | * Find a new boss by filtering the available services based on Metadata 90 | */ 91 | private String findANewBoss() throws UnknownHostException { 92 | List services = this.discoveryClient.getServices(); 93 | 94 | for (String service : services) { 95 | List instances = this.discoveryClient.getInstances(service); 96 | for (ServiceInstance se : instances) { 97 | Map metadata = se.getMetadata(); 98 | String type = metadata.get("type"); 99 | if ("boss".equals(type)) { 100 | 101 | String from = appName + "@" + InetAddress.getLocalHost().getHostName(); 102 | String url = "http://" + se.getServiceId(); 103 | return bossClient.requestMission(url, from); 104 | } 105 | } 106 | } 107 | return FIND_A_BOSS_TASK; 108 | } 109 | } 110 | -------------------------------------------------------------------------------- /src/main/java/org/minions/demo/BossClientService.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand; 4 | import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty; 5 | import org.apache.commons.logging.Log; 6 | import org.apache.commons.logging.LogFactory; 7 | import org.springframework.http.HttpMethod; 8 | import org.springframework.http.ResponseEntity; 9 | import org.springframework.stereotype.Service; 10 | import org.springframework.web.client.RestTemplate; 11 | 12 | @Service 13 | public class BossClientService { 14 | 15 | private final RestTemplate restTemplate; 16 | 17 | private static final Log log = LogFactory.getLog(BossClientService.class); 18 | 19 | public static final String FIND_A_BOSS_TASK = "find a new boss"; 20 | 21 | public BossClientService(RestTemplate restTemplate) { 22 | this.restTemplate = restTemplate; 23 | } 24 | 25 | @HystrixCommand(fallbackMethod = "getFallbackName", commandProperties = { 26 | @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "5000") 27 | }) 28 | public String requestMission(String to, 29 | String from) { 30 | 31 | String url = String.format("%s/mission/%s", 32 | to, 33 | from); 34 | 35 | log.info("--- Requesting a task to Boss: " + url); 36 | 37 | return restTemplate.getForObject(url, String.class); 38 | } 39 | 40 | private String getFallbackName(String to, 41 | String from) { 42 | log.error("--- This Boss (" + to + ") not available now, please come back later (Fallback) client:" + from); 43 | return FIND_A_BOSS_TASK; 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /src/main/java/org/minions/demo/Controller.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import java.io.UnsupportedEncodingException; 4 | import java.net.InetAddress; 5 | import java.net.UnknownHostException; 6 | 7 | import org.apache.commons.logging.Log; 8 | import org.apache.commons.logging.LogFactory; 9 | import org.springframework.beans.factory.annotation.Autowired; 10 | import org.springframework.beans.factory.annotation.Value; 11 | import org.springframework.cloud.context.config.annotation.RefreshScope; 12 | import org.springframework.web.bind.annotation.RequestMapping; 13 | import org.springframework.web.bind.annotation.ResponseBody; 14 | import org.springframework.web.bind.annotation.RestController; 15 | 16 | import static org.springframework.web.bind.annotation.RequestMethod.GET; 17 | 18 | @RestController 19 | @RefreshScope 20 | public class Controller { 21 | 22 | private static final Log log = LogFactory.getLog(Controller.class); 23 | private final String version = "0.1"; 24 | 25 | private MinionsLibrary minionsLibrary; 26 | 27 | @Autowired 28 | private MinionConfig minionConfig; 29 | 30 | public Controller(MinionsLibrary minionsLibrary) { 31 | this.minionsLibrary = minionsLibrary; 32 | } 33 | 34 | @RequestMapping(method = GET) 35 | public String minion() throws UnknownHostException, UnsupportedEncodingException { 36 | StringBuilder stringBuilder = new StringBuilder(); 37 | stringBuilder.append("Host: ").append(InetAddress.getLocalHost().getHostName()).append("
"); 38 | stringBuilder.append("Minion Type: ").append(minionConfig.getType()).append("
"); 39 | stringBuilder.append("IP: ").append(InetAddress.getLocalHost().getHostAddress()).append("
"); 40 | stringBuilder.append("Version: ").append(version).append("
"); 41 | String minion = minionsLibrary.getMinion(minionConfig.getType()); 42 | if (minion != null && !minion.isEmpty()) { 43 | stringBuilder.append(minion); 44 | } else { 45 | stringBuilder.append(" - No Art for this type (" + minionConfig.getType() + ") of minion - "); 46 | } 47 | return stringBuilder.toString(); 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /src/main/java/org/minions/demo/MinionConfig.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import org.springframework.boot.context.properties.ConfigurationProperties; 4 | import org.springframework.context.annotation.Configuration; 5 | 6 | @Configuration 7 | @ConfigurationProperties(prefix = "minion") 8 | public class MinionConfig { 9 | 10 | private String type = "generic-minion"; 11 | 12 | public String getType() { 13 | return type; 14 | } 15 | 16 | public void setType(String type) { 17 | this.type = type; 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /src/main/java/org/minions/demo/MinionsLibrary.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import org.springframework.stereotype.Component; 4 | 5 | import java.util.HashMap; 6 | import java.util.Map; 7 | 8 | @Component 9 | public class MinionsLibrary { 10 | 11 | private Map map = new HashMap<>(); 12 | 13 | //source of ascii art - http://textart4u.blogspot.co.uk/2013/08/minions-emoticons-text-art-for-facebook.html 14 | public MinionsLibrary(){ 15 | map.put("one-eyed-minion"," "+ 16 | "──────────▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
" + 17 | "────────█═════════════════█
" + 18 | "──────█═════════════════════█
" + 19 | "─────█════════▄▄▄▄▄▄▄════════█
" + 20 | "────█════════█████████════════█
" + 21 | "────█═══════██▀─────▀██═══════█
" + 22 | "───███████████──█▀█──███████████
" + 23 | "───███████████──▀▀▀──███████████
" + 24 | "────█═══════▀█▄─────▄█▀═══════█
" + 25 | "────█═════════▀█████▀═════════█
" + 26 | "────█═════════════════════════█
" + 27 | "────█══════▀▄▄▄▄▄▄▄▄▄▀════════█
" + 28 | "───▐▓▓▌═════════════════════▐▓▓▌
" + 29 | "───▐▐▓▓▌▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▐▓▓▌▌
" + 30 | "───█══▐▓▄▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▄▓▌══█
" + 31 | "──█══▌═▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌═▐══█
" + 32 | "──█══█═▐▓▓▓▓▓▓▄▄▄▄▄▄▄▓▓▓▓▓▓▌═█══█
" + 33 | "──█══█═▐▓▓▓▓▓▓▐██▀██▌▓▓▓▓▓▓▌═█══█
" + 34 | "──█══█═▐▓▓▓▓▓▓▓▀▀▀▀▀▓▓▓▓▓▓▓▌═█══█
" + 35 | "──█══█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█══█
" + 36 | "─▄█══█▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌█══█▄
" + 37 | "─█████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─█████
" + 38 | "─██████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─██████
" + 39 | "──▀█▀█──▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌───█▀█▀
" + 40 | "─────────▐▓▓▓▓▓▓▌▐▓▓▓▓▓▓▌
" + 41 | "──────────▐▓▓▓▓▌──▐▓▓▓▓▌
" + 42 | "─────────▄████▀────▀████▄
" + 43 | "─────────▀▀▀▀────────▀▀▀▀"); 44 | map.put("two-eyed-minion"," "+ 45 | "──────────▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
" + 46 | "────────█═════════════════█
" + 47 | "──────█═════════════════════█
" + 48 | "─────█═══▄▄▄▄▄▄▄═══▄▄▄▄▄▄▄═══█
" + 49 | "────█═══█████████═█████████═══█
" + 50 | "────█══██▀────▀█████▀────▀██══█
" + 51 | "───██████──█▀█──███──█▀█──██████
" + 52 | "───██████──▀▀▀──███──▀▀▀──██████
" + 53 | "────█══▀█▄────▄██─██▄────▄█▀══█
" + 54 | "────█════▀█████▀───▀█████▀════█
" + 55 | "────█═════════════════════════█
" + 56 | "────█══════▀▄▄▄▄▄▄▄▄▄▄▄═══════█
" + 57 | "───▐▓▓▌═════════════════════▐▓▓▌
" + 58 | "───▐▐▓▓▌▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▐▓▓▌▌
" + 59 | "───█══▐▓▄▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▄▓▌══█
" + 60 | "──█══▌═▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌═▐══█
" + 61 | "──█══█═▐▓▓▓▓▓▓▄▄▄▄▄▄▄▓▓▓▓▓▓▌═█══█
" + 62 | "──█══█═▐▓▓▓▓▓▓▐██▀██▌▓▓▓▓▓▓▌═█══█
" + 63 | "──█══█═▐▓▓▓▓▓▓▓▀▀▀▀▀▓▓▓▓▓▓▓▌═█══█
" + 64 | "──█══█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█══█
" + 65 | "─▄█══█▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌█══█▄
" + 66 | "─█████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─█████
" + 67 | "─██████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─██████
" + 68 | "──▀█▀█──▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌───█▀█▀
" + 69 | "─────────▐▓▓▓▓▓▓▌▐▓▓▓▓▓▓▌
" + 70 | "──────────▐▓▓▓▓▌──▐▓▓▓▓▌
" + 71 | "─────────▄████▀────▀████▄
" + 72 | "─────────▀▀▀▀────────▀▀▀▀"); 73 | map.put("sad-minion"," "+ 74 | "──────────▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄
" + 75 | "────────█═════════════════█
" + 76 | "──────█═════════════════════█
" + 77 | "─────█═══▄▄▄▄▄▄▄═══▄▄▄▄▄▄▄═══█
" + 78 | "────█═══█████████═█████████═══█
" + 79 | "────█══██▀────▀█████▀────▀██══█
" + 80 | "───██████──█▀█──███──█▀█──██████
" + 81 | "───██████──▀▀▀──███──▀▀▀──██████
" + 82 | "────█══▀█▄────▄██─██▄────▄█▀══█
" + 83 | "────█════▀█████▀───▀█████▀════█
" + 84 | "────█═════════════════════════█
" + 85 | "────█═════════▄▀▀▀▄═══════════█
" + 86 | "───▐▓▓▌══════▀═════▀════════▐▓▓▌
" + 87 | "───▐▐▓▓▌▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▐▓▓▌▌
" + 88 | "───█══▐▓▄▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▄▓▌══█
" + 89 | "──█══▌═▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌═▐══█
" + 90 | "──█══█═▐▓▓▓▓▓▓▄▄▄▄▄▄▄▓▓▓▓▓▓▌═█══█
" + 91 | "──█══█═▐▓▓▓▓▓▓▐██▀██▌▓▓▓▓▓▓▌═█══█
" + 92 | "──█══█═▐▓▓▓▓▓▓▓▀▀▀▀▀▓▓▓▓▓▓▓▌═█══█
" + 93 | "──█══█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█══█
" + 94 | "─▄█══█▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌█══█▄
" + 95 | "─█████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─█████
" + 96 | "─██████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─██████
" + 97 | "──▀█▀█──▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌───█▀█▀
" + 98 | "─────────▐▓▓▓▓▓▓▌▐▓▓▓▓▓▓▌
" + 99 | "──────────▐▓▓▓▓▌──▐▓▓▓▓▌
" + 100 | "─────────▄████▀────▀████▄
" + 101 | "─────────▀▀▀▀────────▀▀▀▀"); 102 | map.put("happy-minion"," "+ 103 | "────────────▀▄───█───▄▀
" + 104 | "───────────▄▄▄█▄▄█▄▄█▄▄▄
" + 105 | "────────▄▀▀═════════════▀▀▄
" + 106 | "───────█═══════════════════█
" + 107 | "──────█═════════════════════█
" + 108 | "─────█═══▄▄▄▄▄▄▄═══▄▄▄▄▄▄▄═══█
" + 109 | "────█═══█████████═█████████═══█
" + 110 | "────█══██▀────▀█████▀────▀██══█
" + 111 | "───██████─█▀█───███─█▀█───██████
" + 112 | "───██████─▀▀▀───███─▀▀▀───██████
" + 113 | "────█══▀█▄────▄██─██▄────▄█▀══█
" + 114 | "────█════▀█████▀───▀█████▀════█
" + 115 | "────█═════════════════════════█
" + 116 | "────█═════════════════════════█
" + 117 | "────█═══════█▀█▀█▀█▀█▀█═══════█
" + 118 | "────█═══════▀▄───────▄▀═══════█
" + 119 | "───▐▓▓▌═══════▀▄█▄█▄▀═══════▐▓▓▌
" + 120 | "───▐▐▓▓▌▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▐▓▓▌▌
" + 121 | "───█══▐▓▄▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▄▓▌══█
" + 122 | "──█══▌═▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌═▐══█
" + 123 | "──█══█═▐▓▓▓▓▓▓▄▄▄▄▄▄▄▓▓▓▓▓▓▌═█══█
" + 124 | "──█══█═▐▓▓▓▓▓▓▐██▀██▌▓▓▓▓▓▓▌═█══█
" + 125 | "──█══█═▐▓▓▓▓▓▓▓▀▀▀▀▀▓▓▓▓▓▓▓▌═█══█
" + 126 | "──█══█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█══█
" + 127 | "─▄█══█▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌█══█▄
" + 128 | "─█████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─█████
" + 129 | "─██████▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌─██████
" + 130 | "──▀█▀█──▐▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▌───█▀█▀
" + 131 | "─────────▐▓▓▓▓▓▓▌▐▓▓▓▓▓▓▌
" + 132 | "──────────▐▓▓▓▓▌──▐▓▓▓▓▌
" + 133 | "─────────▄████▀────▀████▄
" + 134 | "─────────▀▀▀▀────────▀▀▀▀"); 135 | } 136 | 137 | public String getMinion(String name){ 138 | return map.get(name); 139 | } 140 | } 141 | -------------------------------------------------------------------------------- /src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | spring.application.name=spring-cloud-k8s-minion 2 | server.port=8080 3 | 4 | spring.cloud.kubernetes.reload.enabled=true 5 | #spring.cloud.kubernetes.reload.strategy=restart_context 6 | #spring.cloud.kubernetes.reload.mode=polling 7 | 8 | management.endpoint.health.enabled=true 9 | management.endpoint.info.enabled=true 10 | management.endpoint.restart.enabled=true 11 | -------------------------------------------------------------------------------- /src/main/resources/logback.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 6 | 7 | %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /src/test/java/org/minions/demo/ApplicationTests.java: -------------------------------------------------------------------------------- 1 | package org.minions.demo; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class ApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | --------------------------------------------------------------------------------