└── kubernetes-configmap-reload ├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── Dockerfile ├── Jenkinsfile ├── Jenkinsfile_Ansible_Deployment ├── README.md ├── deployment.yml ├── kubernetes-configmap.yml ├── mvnw ├── mvnw.cmd ├── playbook.yml ├── pom.xml ├── server_setup.yml ├── service.yml └── src ├── main ├── fabric8 │ ├── deployment.yaml │ ├── role-config.yaml │ └── svc.yaml ├── java │ └── com │ │ └── minikube │ │ └── sample │ │ ├── MinikubeSampleApplication.java │ │ ├── properties │ │ └── PropertiesConfig.java │ │ └── rest │ │ └── controller │ │ └── HomeResource.java └── resources │ ├── application.yml │ └── bootstrap.yml └── test └── java └── com └── minikube └── sample └── MinikubeSampleApplicationTests.java /kubernetes-configmap-reload/.gitignore: -------------------------------------------------------------------------------- 1 | /target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | .sts4-cache 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | /nbproject/private/ 21 | /build/ 22 | /nbbuild/ 23 | /dist/ 24 | /nbdist/ 25 | /.nb-gradle/ -------------------------------------------------------------------------------- /kubernetes-configmap-reload/.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/DEVOPS-WITH-WEB-DEV/spring-cloud-kubernetes/46b4fbf55da8d9b594fa3436268a10917cbcb683/kubernetes-configmap-reload/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /kubernetes-configmap-reload/.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip 2 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM openjdk:8-jdk-alpine 2 | COPY ./target/*.jar app.jar 3 | ENV JAVA_OPTS="" 4 | ENTRYPOINT exec java -jar app.jar --info 5 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/Jenkinsfile: -------------------------------------------------------------------------------- 1 | @Library('jenkins-shared-library@main') _ 2 | pipeline { 3 | 4 | agent any 5 | 6 | parameters { 7 | choice(name: 'action', choices: 'create\nrollback', description: 'Create/rollback of the deployment') 8 | string(name: 'ImageName', description: "Name of the docker build", defaultValue: "kubernetes-configmap-reload") 9 | string(name: 'ImageTag', description: "Name of the docker build",defaultValue: "v1") 10 | string(name: 'AppName', description: "Name of the Application",defaultValue: "kubernetes-configmap-reload") 11 | string(name: 'docker_repo', description: "Name of docker repository",defaultValue: "praveensingam1994") 12 | } 13 | 14 | tools{ 15 | maven 'maven3' 16 | } 17 | stages { 18 | stage('Git-Checkout') { 19 | when { 20 | expression { params.action == 'create' } 21 | } 22 | steps { 23 | gitCheckout( 24 | branch: "main", 25 | url: "https://github.com/DEVOPS-WITH-WEB-DEV/spring-cloud-kubernetes.git" 26 | ) 27 | } 28 | } 29 | stage('Build-Maven'){ 30 | when { 31 | expression { params.action == 'create' } 32 | } 33 | steps { 34 | dir("${params.AppName}") { 35 | sh 'mvn clean package' 36 | } 37 | } 38 | } 39 | stage("DockerBuild and Push") { 40 | when { 41 | expression { params.action == 'create' } 42 | } 43 | steps { 44 | dir("${params.AppName}") { 45 | dockerBuild ( "${params.ImageName}", "${params.docker_repo}" ) 46 | } 47 | } 48 | } 49 | stage("Docker-CleanUP") { 50 | when { 51 | expression { params.action == 'create' } 52 | } 53 | steps { 54 | dockerCleanup ( "${params.ImageName}", "${params.docker_repo}" ) 55 | } 56 | } 57 | stage("Ansible Setup") { 58 | when { 59 | expression { params.action == 'create' } 60 | } 61 | steps { 62 | sh 'ansible-playbook ${WORKSPACE}/kubernetes-configmap-reload/server_setup.yml' 63 | } 64 | } 65 | stage("Create deployment") { 66 | when { 67 | expression { params.action == 'create' } 68 | } 69 | steps { 70 | sh 'echo ${WORKSPACE}' 71 | sh 'kubectl create -f ${WORKSPACE}/kubernetes-configmap-reload/kubernetes-configmap.yml' 72 | } 73 | } 74 | stage ("wait_for_pods"){ 75 | steps{ 76 | 77 | sh 'sleep 300' 78 | 79 | } 80 | } 81 | stage("rollback deployment") { 82 | steps { 83 | sh """ 84 | kubectl delete deploy ${params.AppName} 85 | kubectl delete svc ${params.AppName} 86 | """ 87 | } 88 | } 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/Jenkinsfile_Ansible_Deployment: -------------------------------------------------------------------------------- 1 | @Library('jenkins-shared-library@main') _ 2 | pipeline { 3 | 4 | agent any 5 | 6 | parameters { 7 | choice(name: 'action', choices: 'create\nrollback', description: 'Create/rollback of the deployment') 8 | string(name: 'ImageName', description: "Name of the docker build") 9 | string(name: 'ImageTag', description: "Name of the docker build") 10 | string(name: 'AppName', description: "Name of the Application") 11 | string(name: 'docker_repo', description: "Name of docker repository") 12 | } 13 | 14 | tools{ 15 | maven 'maven3' 16 | } 17 | stages { 18 | stage('Git Checkout') { 19 | when { 20 | expression { params.action == 'create' } 21 | } 22 | steps { 23 | gitCheckout( 24 | branch: "main", 25 | url: "https://github.com/praveen1994dec/spring-cloud-kubernetes.git" 26 | ) 27 | } 28 | } 29 | stage('Build Maven'){ 30 | when { 31 | expression { params.action == 'create' } 32 | } 33 | steps { 34 | dir("${params.AppName}") { 35 | sh 'mvn clean package' 36 | } 37 | } 38 | } 39 | stage("Docker Build and Push") { 40 | when { 41 | expression { params.action == 'create' } 42 | } 43 | steps { 44 | dir("${params.AppName}") { 45 | dockerBuild ( "${params.ImageName}", "${params.docker_repo}" ) 46 | } 47 | } 48 | } 49 | stage("Docker CleanUP") { 50 | when { 51 | expression { params.action == 'create' } 52 | } 53 | steps { 54 | dockerCleanup ( "${params.ImageName}", "${params.docker_repo}" ) 55 | } 56 | } 57 | stage("Create deployment") { 58 | when { 59 | expression { params.action == 'create' } 60 | } 61 | steps { 62 | dir("${params.AppName}") { 63 | withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', 64 | accessKeyVariable: 'AWS_ACCESS_KEY_ID', 65 | credentialsId: 'AWS_Credentials', 66 | secretKeyVariable: 'AWS_SECRET_ACCESS_KEY']]) { 67 | withCredentials([kubeconfigContent(credentialsId: 'kubernetes_config', 68 | variable: 'KUBECONFIG')]) { 69 | sh 'curl -LO "https://storage.googleapis.com/kubernetes-release/release/v1.20.5/bin/linux/amd64/kubectl"' 70 | sh 'chmod u+x ./kubectl' 71 | sh 'kubectl create -f kubernetes-configmap.yml' 72 | } 73 | } 74 | } 75 | } 76 | } 77 | stage("rollback deployment") { 78 | when { 79 | expression { params.action == 'rollback' } 80 | } 81 | steps { 82 | withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', 83 | accessKeyVariable: 'AWS_ACCESS_KEY_ID', 84 | credentialsId: 'AWS_Credentials', 85 | secretKeyVariable: 'AWS_SECRET_ACCESS_KEY']]) { 86 | withCredentials([kubeconfigContent(credentialsId: 'kubernetes_config', 87 | variable: 'KUBECONFIG')]) { 88 | sh """ 89 | kubectl delete deploy ${params.AppName} 90 | kubectl delete svc ${params.AppName} 91 | """ 92 | } 93 | } 94 | } 95 | } 96 | } 97 | } 98 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/README.md: -------------------------------------------------------------------------------- 1 | # kubernetes-configmap-reload 2 | 3 | Pre-requisites[ TAKE AMAZON LINUX2 SYSTEM t2.micro]: 4 | -------- 5 | - Install Git 6 | 7 | yum install git -y 8 | 9 | - Install Java 10 | 11 | yum install java -y 12 | 13 | - Install Maven 14 | 15 | cd /opt/ 16 | wget http://mirrors.estointernet.in/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz 17 | tar xvzf apache-maven-3.6.3-bin.tar.gz 18 | vi /etc/profile.d/maven.sh 19 | export MAVEN_HOME=/opt/apache-maven-3.6.3 20 | export PATH=$PATH:$MAVEN_HOME/bin 21 | 22 | 23 | - Install Jenkins 24 | 25 | sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo 26 | sudo rpm --import https://jenkins-ci.org/redhat/jenkins-ci.org 27 | sudo yum install jenkins -y 28 | sudo systemctl start jenkins 29 | 30 | 31 | - Install Docker 32 | 33 | yum install docker -y 34 | systemctl start docker 35 | systemctl enable docker 36 | usermod -aG docker jenkins [ Add jenkins user to docker group ] 37 | 38 | - Install Python 39 | 40 | yum install python3 -y 41 | 42 | - Install Ansible 43 | 44 | amazon-linux-extras install ansible2 -y 45 | 46 | 47 | 48 | 49 | 50 | 51 | Clone code from github: 52 | ------- 53 | git clone https://github.com/praveen1994dec/spring-cloud-kubernetes.git 54 | cd spring-cloud-kubernetes/kubernetes-configmap-reload 55 | 56 | Build Maven Artifact: 57 | ------- 58 | mvn clean install 59 | 60 | Build Docker image for Springboot Application 61 | -------------- 62 | docker build -t praveen1994dec/kubernetes-configmap-reload . 63 | 64 | Docker login 65 | ------------- 66 | docker login 67 | 68 | Push docker image to dockerhub 69 | ----------- 70 | docker push praveen1994dec/kubernetes-configmap-reload 71 | 72 | Deploy Spring Application: 73 | -------- 74 | kubectl apply -f kubernetes-configmap.yml 75 | 76 | Check Deployments, Pods and Services: 77 | ------- 78 | 79 | kubectl get deploy 80 | kubectl get pods 81 | kubectl get svc 82 | 83 | 84 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/deployment.yml: -------------------------------------------------------------------------------- 1 | apiVersion: apps/v1 2 | kind: Deployment 3 | metadata: 4 | name: kubernetes-configmap-reload 5 | spec: 6 | replicas: 2 7 | selector: 8 | matchLabels: 9 | app: kubernetes-configmap-reload 10 | template: 11 | metadata: 12 | labels: 13 | app: kubernetes-configmap-reload 14 | spec: 15 | containers: 16 | - name: kubernetes-configmap-reload 17 | image: praveensingam1994/kubernetes-configmap-reload:latest 18 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/kubernetes-configmap.yml: -------------------------------------------------------------------------------- 1 | kind: Service 2 | apiVersion: v1 3 | metadata: 4 | name: kubernetes-configmap-reload 5 | spec: 6 | type: LoadBalancer 7 | selector: 8 | app: kubernetes-configmap-reload 9 | ports: 10 | - name: http 11 | protocol: TCP 12 | # ELB's port 13 | port: 8081 14 | --- 15 | apiVersion: apps/v1 16 | kind: Deployment 17 | metadata: 18 | name: kubernetes-configmap-reload 19 | spec: 20 | replicas: 2 21 | selector: 22 | matchLabels: 23 | app: kubernetes-configmap-reload 24 | template: 25 | metadata: 26 | labels: 27 | app: kubernetes-configmap-reload 28 | spec: 29 | containers: 30 | - name: kubernetes-configmap-reload 31 | image: praveensingam1994/kubernetes-configmap-reload:latest 32 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # http://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven2 Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Migwn, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 204 | echo $MAVEN_PROJECTBASEDIR 205 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 206 | 207 | # For Cygwin, switch paths to Windows format before running java 208 | if $cygwin; then 209 | [ -n "$M2_HOME" ] && 210 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 211 | [ -n "$JAVA_HOME" ] && 212 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 213 | [ -n "$CLASSPATH" ] && 214 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 215 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 216 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 217 | fi 218 | 219 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 220 | 221 | exec "$JAVACMD" \ 222 | $MAVEN_OPTS \ 223 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 224 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 225 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 226 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM http://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven2 Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM enable echoing my setting MAVEN_BATCH_ECHO to 'on' 39 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 40 | 41 | @REM set %HOME% to equivalent of $HOME 42 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 43 | 44 | @REM Execute a user defined script before this one 45 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 46 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 47 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 48 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 49 | :skipRcPre 50 | 51 | @setlocal 52 | 53 | set ERROR_CODE=0 54 | 55 | @REM To isolate internal variables from possible post scripts, we use another setlocal 56 | @setlocal 57 | 58 | @REM ==== START VALIDATION ==== 59 | if not "%JAVA_HOME%" == "" goto OkJHome 60 | 61 | echo. 62 | echo Error: JAVA_HOME not found in your environment. >&2 63 | echo Please set the JAVA_HOME variable in your environment to match the >&2 64 | echo location of your Java installation. >&2 65 | echo. 66 | goto error 67 | 68 | :OkJHome 69 | if exist "%JAVA_HOME%\bin\java.exe" goto init 70 | 71 | echo. 72 | echo Error: JAVA_HOME is set to an invalid directory. >&2 73 | echo JAVA_HOME = "%JAVA_HOME%" >&2 74 | echo Please set the JAVA_HOME variable in your environment to match the >&2 75 | echo location of your Java installation. >&2 76 | echo. 77 | goto error 78 | 79 | @REM ==== END VALIDATION ==== 80 | 81 | :init 82 | 83 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 84 | @REM Fallback to current working directory if not found. 85 | 86 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 87 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 88 | 89 | set EXEC_DIR=%CD% 90 | set WDIR=%EXEC_DIR% 91 | :findBaseDir 92 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 93 | cd .. 94 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 95 | set WDIR=%CD% 96 | goto findBaseDir 97 | 98 | :baseDirFound 99 | set MAVEN_PROJECTBASEDIR=%WDIR% 100 | cd "%EXEC_DIR%" 101 | goto endDetectBaseDir 102 | 103 | :baseDirNotFound 104 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 105 | cd "%EXEC_DIR%" 106 | 107 | :endDetectBaseDir 108 | 109 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 110 | 111 | @setlocal EnableExtensions EnableDelayedExpansion 112 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 113 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 114 | 115 | :endReadAdditionalConfig 116 | 117 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 118 | 119 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 120 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 121 | 122 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 123 | if ERRORLEVEL 1 goto error 124 | goto end 125 | 126 | :error 127 | set ERROR_CODE=1 128 | 129 | :end 130 | @endlocal & set ERROR_CODE=%ERROR_CODE% 131 | 132 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 133 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 134 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 135 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 136 | :skipRcPost 137 | 138 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 139 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 140 | 141 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 142 | 143 | exit /B %ERROR_CODE% 144 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/playbook.yml: -------------------------------------------------------------------------------- 1 | - hosts: localhost 2 | vars: 3 | ansible_python_interpreter: '/usr/bin/python3' 4 | tasks: 5 | - name: Deploy the service 6 | k8s: 7 | state: present 8 | definition: "{{ lookup('template', 'service.yml') | from_yaml }}" 9 | validate_certs: no 10 | namespace: default 11 | - name: Deploy the application 12 | k8s: 13 | state: present 14 | validate_certs: no 15 | namespace: default 16 | definition: "{{ lookup('template', 'deployment.yml') | from_yaml }}" 17 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.springframework.boot 7 | spring-boot-starter-parent 8 | 2.2.1.RELEASE 9 | 10 | 11 | com.minikube.sample 12 | kubernetes-configmap-reload 13 | 0.0.1-SNAPSHOT 14 | jar 15 | minikube-sample 16 | Demo project for Spring Cloud Kubernetes 17 | 18 | 19 | UTF-8 20 | UTF-8 21 | 1.8 22 | 23 | 24 | 25 | 26 | org.springframework.boot 27 | spring-boot-starter-web 28 | 29 | 30 | 31 | org.springframework.boot 32 | spring-boot-starter-actuator 33 | 34 | 35 | 36 | org.springframework.cloud 37 | spring-cloud-starter-kubernetes-config 38 | 1.1.0.RELEASE 39 | 40 | 41 | 42 | org.projectlombok 43 | lombok 44 | 1.18.26 45 | provided 46 | 47 | 48 | 49 | 50 | org.springframework.boot 51 | spring-boot-starter-test 52 | test 53 | 54 | 55 | org.springframework.security 56 | spring-security-test 57 | test 58 | 59 | 60 | 61 | 62 | 63 | 64 | org.springframework.boot 65 | spring-boot-maven-plugin 66 | 67 | 68 | 69 | 70 | 71 | 72 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/server_setup.yml: -------------------------------------------------------------------------------- 1 | - hosts: localhost 2 | become: yes 3 | tasks: 4 | 5 | - name: update 6 | apt: update_cache=yes 7 | 8 | - name: install apache2 9 | apt: name=apache2 state=latest 10 | 11 | - name: enabled mod_rewrite 12 | apache2_module: name=rewrite state=present 13 | 14 | - name: enabled proxy 15 | apache2_module: name=proxy state=present 16 | 17 | - name: enabled proxy_http 18 | apache2_module: name=proxy_http state=present 19 | 20 | - name: enabled ssl 21 | apache2_module: name=ssl state=present 22 | 23 | - name: enabled socache_shmcb 24 | apache2_module: name=socache_shmcb state=present 25 | 26 | - name: enabled mpm_event 27 | apache2_module: name=mpm_event state=present 28 | 29 | 30 | notify: 31 | - restart apache2 32 | 33 | handlers: 34 | - name: restart apache2 35 | service: name=apache2 state=restarted 36 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/service.yml: -------------------------------------------------------------------------------- 1 | kind: Service 2 | apiVersion: v1 3 | metadata: 4 | name: kubernetes-configmap-reload 5 | spec: 6 | type: LoadBalancer 7 | selector: 8 | app: kubernetes-configmap-reload 9 | ports: 10 | - name: http 11 | protocol: TCP 12 | # ELB's port 13 | port: 8081 14 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/fabric8/deployment.yaml: -------------------------------------------------------------------------------- 1 | kind: Service 2 | apiVersion: v1 3 | metadata: 4 | name: minikube-sample 5 | spec: 6 | selector: 7 | app: minikube-sample 8 | ports: 9 | - protocol: TCP 10 | port: 8080 11 | nodePort: 30083 12 | type: NodePort 13 | 14 | --- 15 | 16 | apiVersion: apps/v1 17 | kind: Deployment 18 | metadata: 19 | name: minikube-sample 20 | namespace: default 21 | spec: 22 | selector: 23 | matchLabels: 24 | app: minikube-sample 25 | 26 | replicas: 1 27 | template: 28 | metadata: 29 | labels: 30 | app: minikube-sample 31 | spec: 32 | containers: 33 | - name: minikube-sample 34 | image: minikube-sample:latest 35 | imagePullPolicy: Never 36 | ports: 37 | - containerPort: 8080 38 | env: 39 | - name: env.namespace 40 | value: default 41 | volumeMounts: 42 | - name: config 43 | mountPath: /config 44 | volumes: 45 | - name: config 46 | configMap: 47 | name: minikube-sample -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/fabric8/role-config.yaml: -------------------------------------------------------------------------------- 1 | kind: Role 2 | apiVersion: rbac.authorization.k8s.io/v1 3 | metadata: 4 | namespace: default 5 | name: namespace-reader 6 | rules: 7 | - apiGroups: ["", "extensions", "apps"] 8 | resources: ["configmaps", "pods", "services", "endpoints", "secrets"] 9 | verbs: ["get", "list", "watch"] 10 | 11 | --- 12 | 13 | kind: RoleBinding 14 | apiVersion: rbac.authorization.k8s.io/v1 15 | metadata: 16 | name: namespace-reader-binding 17 | namespace: default 18 | subjects: 19 | - kind: ServiceAccount 20 | name: default 21 | apiGroup: "" 22 | roleRef: 23 | kind: Role 24 | name: namespace-reader 25 | apiGroup: "" 26 | 27 | --- 28 | 29 | apiVersion: rbac.authorization.k8s.io/v1 30 | kind: ClusterRoleBinding 31 | metadata: 32 | name: minikube-sample-view 33 | roleRef: 34 | kind: ClusterRole 35 | name: view 36 | apiGroup: rbac.authorization.k8s.io 37 | subjects: 38 | # Authorize specific service accounts: 39 | - kind: ServiceAccount 40 | name: minikube-sample 41 | namespace: default -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/fabric8/svc.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: Service 3 | spec: 4 | type: NodePort -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/java/com/minikube/sample/MinikubeSampleApplication.java: -------------------------------------------------------------------------------- 1 | package com.minikube.sample; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.EnableAutoConfiguration; 5 | import org.springframework.boot.autoconfigure.SpringBootApplication; 6 | 7 | @SpringBootApplication 8 | @EnableAutoConfiguration 9 | public class MinikubeSampleApplication { 10 | 11 | public static void main(String[] args) { 12 | 13 | SpringApplication.run(MinikubeSampleApplication.class, args); 14 | } 15 | } 16 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/java/com/minikube/sample/properties/PropertiesConfig.java: -------------------------------------------------------------------------------- 1 | package com.minikube.sample.properties; 2 | 3 | import lombok.Getter; 4 | import lombok.Setter; 5 | 6 | import org.springframework.boot.context.properties.ConfigurationProperties; 7 | import org.springframework.context.annotation.Configuration; 8 | 9 | /** 10 | * Created By Gorantla, Eresh on 17/Dec/2019 11 | **/ 12 | @Configuration 13 | @ConfigurationProperties(prefix = "app.data") 14 | @Getter 15 | @Setter 16 | public class PropertiesConfig { 17 | 18 | private String test; 19 | private String name; 20 | } 21 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/java/com/minikube/sample/rest/controller/HomeResource.java: -------------------------------------------------------------------------------- 1 | package com.minikube.sample.rest.controller; 2 | 3 | import com.fasterxml.jackson.databind.ObjectMapper; 4 | import com.minikube.sample.properties.PropertiesConfig; 5 | import lombok.Getter; 6 | import lombok.Setter; 7 | import org.springframework.beans.factory.annotation.Autowired; 8 | import org.springframework.beans.factory.annotation.Lookup; 9 | import org.springframework.beans.factory.annotation.Value; 10 | import org.springframework.http.HttpStatus; 11 | import org.springframework.http.ResponseEntity; 12 | import org.springframework.web.bind.annotation.GetMapping; 13 | import org.springframework.web.bind.annotation.RequestMapping; 14 | import org.springframework.web.bind.annotation.RestController; 15 | 16 | /** 17 | * @author Gorantla, Eresh 18 | * @created 06-12-2018 19 | */ 20 | @RestController 21 | @RequestMapping("/home") 22 | public class HomeResource { 23 | 24 | @Autowired 25 | PropertiesConfig config; 26 | 27 | @GetMapping("/data") 28 | public ResponseEntity getData() { 29 | ResponseData responseData = new ResponseData(); 30 | responseData.setId(1); 31 | responseData.setName(config.getName()); 32 | responseData.setPlace("Hyderabad"); 33 | responseData.setValue(config.getTest()); 34 | return new ResponseEntity<>(responseData, HttpStatus.OK); 35 | } 36 | 37 | @Getter 38 | @Setter 39 | public class ResponseData { 40 | private String name; 41 | private Integer id; 42 | private String place; 43 | private String value; 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/resources/application.yml: -------------------------------------------------------------------------------- 1 | management: 2 | endpoint: 3 | web: 4 | exposure: 5 | inculde: info, refresh, keepalive, health 6 | logging: 7 | level: 8 | org.springframework.cloud.kubernetes: DEBUG 9 | 10 | spring: 11 | application: 12 | name: minikube-sample 13 | -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/main/resources/bootstrap.yml: -------------------------------------------------------------------------------- 1 | spring: 2 | cloud: 3 | kubernetes: 4 | config: 5 | enabled: true 6 | sources: 7 | - namespace: default 8 | name: minikube-sample 9 | reload: 10 | enabled: true 11 | mode: event 12 | strategy: refresh 13 | 14 | management: 15 | endpoint: 16 | restart: 17 | enabled: true -------------------------------------------------------------------------------- /kubernetes-configmap-reload/src/test/java/com/minikube/sample/MinikubeSampleApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.minikube.sample; 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 MinikubeSampleApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | --------------------------------------------------------------------------------