├── .gitignore ├── Devoxx-2017-Spring_Boot-Kubernetes.pdf ├── LICENSE ├── README.md ├── actors ├── .gitignore ├── .mvn │ └── wrapper │ │ ├── maven-wrapper.jar │ │ └── maven-wrapper.properties ├── Dockerfile ├── config │ ├── actors-config.yaml │ ├── actors-deployment.yaml │ └── actors-svc.yaml ├── mvnw ├── mvnw.cmd ├── pom.xml └── src │ ├── main │ ├── docker │ │ └── assembly.xml │ ├── java │ │ └── com │ │ │ └── springdeveloper │ │ │ └── k8s │ │ │ └── actors │ │ │ ├── Actor.java │ │ │ ├── ActorRepository.java │ │ │ └── ActorsApplication.java │ └── resources │ │ ├── application-default.properties │ │ └── application-kubernetes.properties │ └── test │ └── java │ └── com │ └── springdeveloper │ └── k8s │ └── actors │ └── ActorsApplicationTests.java ├── demo-actors.adoc ├── demo-hello.adoc ├── demo-microservices.adoc ├── hello ├── .gitignore ├── .mvn │ └── wrapper │ │ ├── maven-wrapper.jar │ │ └── maven-wrapper.properties ├── Dockerfile ├── hello-deployment.yaml ├── hello-svc.yaml ├── mvnw ├── mvnw.cmd ├── pom.xml └── src │ ├── main │ ├── java │ │ └── com │ │ │ └── springdeveloper │ │ │ └── k8s │ │ │ └── hello │ │ │ └── HelloApplication.java │ └── resources │ │ └── application.properties │ └── test │ └── java │ └── com │ └── springdeveloper │ └── k8s │ └── hello │ └── HelloApplicationTests.java └── mysql ├── mysql-deployment.yaml ├── mysql-pvc.yaml ├── mysql-secrets.yaml └── mysql-svc.yaml /.gitignore: -------------------------------------------------------------------------------- 1 | *.DS_Store 2 | -------------------------------------------------------------------------------- /Devoxx-2017-Spring_Boot-Kubernetes.pdf: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/trisberg/devoxx-spring-boot-k8s/02dd60d3d9005bc956fe3c794f89eddcf0ce975f/Devoxx-2017-Spring_Boot-Kubernetes.pdf -------------------------------------------------------------------------------- /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 | # devoxx-spring-boot-k8s 2 | Demos and slides for Spring Boot on Kubernetes talk 3 | -------------------------------------------------------------------------------- /actors/.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 | 12 | ### IntelliJ IDEA ### 13 | .idea 14 | *.iws 15 | *.iml 16 | *.ipr 17 | 18 | ### NetBeans ### 19 | nbproject/private/ 20 | build/ 21 | nbbuild/ 22 | dist/ 23 | nbdist/ 24 | .nb-gradle/ 25 | 26 | ### Visual Code 27 | .vscode 28 | -------------------------------------------------------------------------------- /actors/.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/trisberg/devoxx-spring-boot-k8s/02dd60d3d9005bc956fe3c794f89eddcf0ce975f/actors/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /actors/.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 | -------------------------------------------------------------------------------- /actors/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM java:8-alpine 2 | VOLUME /tmp 3 | ARG JAR_FILE 4 | ADD ./target/${JAR_FILE} /actors.jar 5 | RUN sh -c 'touch /actors.jar' 6 | ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/actors.jar"] -------------------------------------------------------------------------------- /actors/config/actors-config.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: ConfigMap 3 | metadata: 4 | name: actors 5 | labels: 6 | app: actors 7 | data: 8 | application.yaml: |- 9 | security: 10 | basic: 11 | enabled: false 12 | spring: 13 | datasource: 14 | url: jdbc:mysql://${MYSQL_SERVICE_HOST}:${MYSQL_SERVICE_PORT}/mysql 15 | username: root 16 | password: ${MYSQL_ROOT_PASSWORD} 17 | driverClassName: com.mysql.jdbc.Driver 18 | testOnBorrow: true 19 | validationQuery: "SELECT 1" 20 | -------------------------------------------------------------------------------- /actors/config/actors-deployment.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: Deployment 3 | metadata: 4 | name: actors 5 | labels: 6 | app: actors 7 | spec: 8 | replicas: 1 9 | template: 10 | metadata: 11 | labels: 12 | app: actors 13 | spec: 14 | containers: 15 | - name: actors 16 | image: trisberg/actors:0.0.1-SNAPSHOT 17 | imagePullPolicy: IfNotPresent 18 | ports: 19 | - containerPort: 80 20 | resources: 21 | limits: 22 | cpu: 1.0 23 | memory: 1024Mi 24 | requests: 25 | cpu: 0.5 26 | memory: 640Mi 27 | livenessProbe: 28 | httpGet: 29 | path: /application/status 30 | port: 80 31 | initialDelaySeconds: 90 32 | periodSeconds: 15 33 | timeoutSeconds: 5 34 | readinessProbe: 35 | httpGet: 36 | path: /application/status 37 | port: 80 38 | initialDelaySeconds: 45 39 | periodSeconds: 15 40 | timeoutSeconds: 5 41 | env: 42 | - name: SERVER_PORT 43 | value: '80' 44 | - name: SPRING_PROFILES_ACTIVE 45 | value: kubernetes 46 | - name: MYSQL_ROOT_PASSWORD 47 | valueFrom: 48 | secretKeyRef: 49 | name: mysql 50 | key: mysql-root-password 51 | volumeMounts: 52 | - name: application-config 53 | mountPath: "/config" 54 | readOnly: true 55 | volumes: 56 | - name: application-config 57 | configMap: 58 | name: actors 59 | items: 60 | - key: application.yaml 61 | path: application-kubernetes.yaml 62 | -------------------------------------------------------------------------------- /actors/config/actors-svc.yaml: -------------------------------------------------------------------------------- 1 | kind: Service 2 | apiVersion: v1 3 | metadata: 4 | name: actors 5 | labels: 6 | app: actors 7 | spec: 8 | # If you are running k8s on a local dev box or using minikube, you can use type NodePort instead of LoadBalancer 9 | type: NodePort 10 | ports: 11 | - port: 80 12 | selector: 13 | app: actors 14 | -------------------------------------------------------------------------------- /actors/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 | -------------------------------------------------------------------------------- /actors/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 | -------------------------------------------------------------------------------- /actors/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.springdeveloper.k8s 7 | actors 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | actors 12 | Demo project for Spring Boot 13 | 14 | 15 | org.springframework.boot 16 | spring-boot-starter-parent 17 | 2.0.0.M5 18 | 19 | 20 | 21 | 22 | UTF-8 23 | UTF-8 24 | 1.8 25 | 26 | 27 | 28 | 29 | org.springframework.boot 30 | spring-boot-starter-actuator 31 | 32 | 33 | org.springframework.boot 34 | spring-boot-starter-data-jpa 35 | 36 | 37 | org.springframework.boot 38 | spring-boot-starter-data-rest 39 | 40 | 41 | org.springframework.boot 42 | spring-boot-starter-web 43 | 44 | 45 | 46 | org.hibernate 47 | hibernate-core 48 | 4.3.10.Final 49 | 50 | 51 | org.hibernate 52 | hibernate-entitymanager 53 | 4.3.10.Final 54 | 55 | 56 | 57 | org.hsqldb 58 | hsqldb 59 | runtime 60 | 61 | 62 | mysql 63 | mysql-connector-java 64 | runtime 65 | 66 | 67 | org.springframework.boot 68 | spring-boot-starter-test 69 | test 70 | 71 | 72 | 73 | 74 | 75 | 76 | org.springframework.boot 77 | spring-boot-maven-plugin 78 | 79 | 80 | com.spotify 81 | dockerfile-maven-plugin 82 | 1.3.6 83 | 84 | ${user.name}/${project.artifactId} 85 | ${project.version} 86 | 87 | ${project.build.finalName}.jar 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | spring-snapshots 97 | Spring Snapshots 98 | https://repo.spring.io/snapshot 99 | 100 | true 101 | 102 | 103 | 104 | spring-milestones 105 | Spring Milestones 106 | https://repo.spring.io/milestone 107 | 108 | false 109 | 110 | 111 | 112 | 113 | 114 | 115 | spring-snapshots 116 | Spring Snapshots 117 | https://repo.spring.io/snapshot 118 | 119 | true 120 | 121 | 122 | 123 | spring-milestones 124 | Spring Milestones 125 | https://repo.spring.io/milestone 126 | 127 | false 128 | 129 | 130 | 131 | 132 | 133 | 134 | -------------------------------------------------------------------------------- /actors/src/main/docker/assembly.xml: -------------------------------------------------------------------------------- 1 | 6 | actors 7 | 8 | 9 | 10 | com.springdeveloper.k8s:actors 11 | 12 | . 13 | actors.jar 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /actors/src/main/java/com/springdeveloper/k8s/actors/Actor.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.actors; 2 | 3 | import javax.persistence.Entity; 4 | import javax.persistence.GeneratedValue; 5 | import javax.persistence.Id; 6 | 7 | @Entity 8 | public class Actor { 9 | 10 | @Id 11 | @GeneratedValue 12 | Long id; 13 | 14 | String name; 15 | 16 | int age; 17 | 18 | public Long getId() { 19 | return id; 20 | } 21 | 22 | public String getName() { 23 | return name; 24 | } 25 | 26 | public void setName(String name) { 27 | this.name = name; 28 | } 29 | 30 | public int getAge() { 31 | return age; 32 | } 33 | 34 | public void setAge(int age) { 35 | this.age = age; 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /actors/src/main/java/com/springdeveloper/k8s/actors/ActorRepository.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.actors; 2 | 3 | import java.util.List; 4 | 5 | import org.springframework.data.repository.PagingAndSortingRepository; 6 | import org.springframework.data.repository.query.Param; 7 | 8 | public interface ActorRepository extends PagingAndSortingRepository { 9 | 10 | List findByName(@Param("name") String name); 11 | 12 | } 13 | -------------------------------------------------------------------------------- /actors/src/main/java/com/springdeveloper/k8s/actors/ActorsApplication.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.actors; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class ActorsApplication { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(ActorsApplication.class, args); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /actors/src/main/resources/application-default.properties: -------------------------------------------------------------------------------- 1 | endpoints.env.enabled=true 2 | spring.datasource.url=jdbc:hsqldb:file:target/testdb 3 | spring.datasource.username=sa 4 | spring.jpa.hibernate.ddl-auto=create 5 | spring.datasource.initialize=true 6 | -------------------------------------------------------------------------------- /actors/src/main/resources/application-kubernetes.properties: -------------------------------------------------------------------------------- 1 | endpoints.env.enabled=true 2 | spring.jpa.hibernate.ddl-auto=update 3 | spring.datasource.initialize=false 4 | -------------------------------------------------------------------------------- /actors/src/test/java/com/springdeveloper/k8s/actors/ActorsApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.actors; 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 ActorsApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /demo-actors.adoc: -------------------------------------------------------------------------------- 1 | == Demo - Actors Microservice for Kubernetes 2 | 3 | A Simple REST Repository App for managing Actors 4 | 5 | ==== Create the app and the config for local testing 6 | 7 | . Create a small CRUD JPA Repository app 8 | + 9 | ---- 10 | curl https://start.spring.io/starter.zip -d bootVersion=2.0.0.M5 \ 11 | -d dependencies=web,actuator,jpa,data-rest,mysql,hsql \ 12 | -d groupId=com.springdeveloper.k8s -d artifactId=actors \ 13 | -d name=actors -d baseDir=actors -o actors.zip 14 | unzip actors.zip 15 | cd actors 16 | ---- 17 | 18 | . Add an Actor Entity 19 | + 20 | .Actor.java 21 | [source,java] 22 | ---- 23 | package com.springdeveloper.k8s.actors; 24 | 25 | import javax.persistence.Entity; 26 | import javax.persistence.GeneratedValue; 27 | import javax.persistence.Id; 28 | 29 | @Entity 30 | public class Actor { 31 | 32 | @Id 33 | @GeneratedValue 34 | Long id; 35 | 36 | String name; 37 | 38 | int age; 39 | 40 | public Long getId() { 41 | return id; 42 | } 43 | 44 | public String getName() { 45 | return name; 46 | } 47 | 48 | public void setName(String name) { 49 | this.name = name; 50 | } 51 | 52 | public int getAge() { 53 | return age; 54 | } 55 | 56 | public void setAge(int age) { 57 | this.age = age; 58 | } 59 | } 60 | ---- 61 | 62 | . Add an ActorRepository 63 | + 64 | .ActorRepository.java 65 | [source,java] 66 | ---- 67 | package com.springdeveloper.k8s.actors; 68 | 69 | import java.util.List; 70 | 71 | import org.springframework.data.repository.PagingAndSortingRepository; 72 | import org.springframework.data.repository.query.Param; 73 | 74 | public interface ActorRepository extends PagingAndSortingRepository { 75 | 76 | List findByName(@Param("name") String name); 77 | 78 | } 79 | ---- 80 | 81 | . Create default properties file for running app locally 82 | + 83 | .application-default.properties 84 | [source,props] 85 | ---- 86 | endpoints.env.enabled=true 87 | spring.datasource.url=jdbc:hsqldb:file:target/testdb 88 | spring.datasource.username=sa 89 | spring.jpa.hibernate.ddl-auto=create 90 | spring.datasource.initialize=true 91 | ---- 92 | 93 | . Build and run the app locally 94 | + 95 | ---- 96 | ./mvnw clean package 97 | java -jar target/actors-0.0.1-SNAPSHOT.jar 98 | ---- 99 | 100 | . You can add actor records: 101 | + 102 | ---- 103 | curl -i -X POST -H "Content-Type:application/json" -d "{ \"name\" : \"Dolph Lundgren\", \"age\" : 59 }" http://localhost:8080/actors 104 | ---- 105 | 106 | . Test 107 | + 108 | ---- 109 | curl http://localhost:8080/actors | python -m json.tool 110 | ---- 111 | 112 | ==== Create a MySQL database deployment and service 113 | 114 | . Configure a MySQL deployment and service 115 | + 116 | .mysql/mysql-deployment.yaml 117 | [source,yaml] 118 | ---- 119 | apiVersion: extensions/v1beta1 120 | kind: Deployment 121 | metadata: 122 | name: mysql 123 | labels: 124 | app: mysql 125 | spec: 126 | replicas: 1 127 | template: 128 | metadata: 129 | labels: 130 | app: mysql 131 | spec: 132 | containers: 133 | - image: mysql:5.6 134 | name: mysql 135 | env: 136 | - name: MYSQL_ROOT_PASSWORD 137 | # You can change this password - if you do change the base64 encoded value in the secrets file 138 | value: yourpassword 139 | ports: 140 | - containerPort: 3306 141 | name: mysql 142 | volumeMounts: 143 | - name: data 144 | mountPath: /var/lib/mysql 145 | volumes: 146 | - name: data 147 | persistentVolumeClaim: 148 | claimName: mysql 149 | ---- 150 | + 151 | .mysql/mysql-svc.yaml 152 | [source,yaml] 153 | ---- 154 | apiVersion: v1 155 | kind: Service 156 | metadata: 157 | name: mysql 158 | labels: 159 | app: mysql 160 | spec: 161 | ports: 162 | - port: 3306 163 | selector: 164 | app: mysql 165 | ---- 166 | + 167 | .mysql/mysql-pvc.yaml 168 | [source,yaml] 169 | ---- 170 | apiVersion: v1 171 | kind: PersistentVolumeClaim 172 | metadata: 173 | name: mysql 174 | labels: 175 | app: mysql 176 | annotations: 177 | volume.alpha.kubernetes.io/storage-class: default 178 | spec: 179 | accessModes: 180 | - ReadWriteOnce 181 | resources: 182 | requests: 183 | storage: 8Gi 184 | ---- 185 | + 186 | .mysql/mysql-secrets.yaml 187 | [source,yaml] 188 | ---- 189 | apiVersion: v1 190 | kind: Secret 191 | metadata: 192 | name: mysql 193 | labels: 194 | app: mysql 195 | data: 196 | mysql-root-password: eW91cnBhc3N3b3Jk 197 | ---- 198 | 199 | . Deploy the MySQL database 200 | + 201 | ---- 202 | kubectl apply -f ./mysql/ 203 | ---- 204 | 205 | ==== Add Kubernetes configuration 206 | 207 | . Add config properties for running on Kubernetes 208 | + 209 | .application-kubernetes.properties 210 | [source,props] 211 | ---- 212 | endpoints.env.enabled=true 213 | spring.jpa.hibernate.ddl-auto=update 214 | spring.datasource.initialize=false 215 | ---- 216 | 217 | . Add `Dockerfile` and Docker Maven plug-in to the `pom.xml`. We are using the most recent https://github.com/spotify/dockerfile-maven[Spotify plugin]. 218 | + 219 | .Dockerfile 220 | [source] 221 | ---- 222 | FROM java:8-alpine 223 | VOLUME /tmp 224 | ARG JAR_FILE 225 | ADD ./target/${JAR_FILE} /actors.jar 226 | RUN sh -c 'touch /actors.jar' 227 | ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/actors.jar"] 228 | ---- 229 | + 230 | .pom.xml 231 | [source,xml] 232 | ---- 233 | ... 234 | 235 | 236 | ... 237 | 238 | com.spotify 239 | dockerfile-maven-plugin 240 | 1.3.6 241 | 242 | ${user.name}/${project.artifactId} 243 | ${project.version} 244 | 245 | ${project.build.finalName}.jar 246 | 247 | 248 | 249 | ... 250 | 251 | 252 | ... 253 | ---- 254 | 255 | . Downgrade Hibernate version 256 | + 257 | WARNING: We need to downgrade the Hibernate version. The most recent version throws an error when using "spring.jpa.hibernate.ddl-auto=update" and the tables already exist. 258 | + 259 | .pom.xml 260 | [source,xml] 261 | ---- 262 | ... 263 | 264 | 265 | org.hibernate 266 | hibernate-core 267 | 4.3.10.Final 268 | 269 | 270 | org.hibernate 271 | hibernate-entitymanager 272 | 4.3.10.Final 273 | 274 | ... 275 | ---- 276 | 277 | . Create the Kubernetes configuration files for the app 278 | + 279 | .config/actors-svc.yaml 280 | [source,yaml] 281 | ---- 282 | kind: Service 283 | apiVersion: v1 284 | metadata: 285 | name: actors 286 | labels: 287 | app: actors 288 | spec: 289 | # If you are running k8s on a local dev box or using minikube, you can use type NodePort instead of LoadBalancer 290 | type: NodePort 291 | ports: 292 | - port: 80 293 | selector: 294 | app: actors 295 | ---- 296 | + 297 | .config/actors-deployment.yaml 298 | [source,yaml] 299 | ---- 300 | apiVersion: extensions/v1beta1 301 | kind: Deployment 302 | metadata: 303 | name: actors 304 | labels: 305 | app: actors 306 | spec: 307 | replicas: 1 308 | template: 309 | metadata: 310 | labels: 311 | app: actors 312 | spec: 313 | containers: 314 | - name: actors 315 | image: trisberg/actors:0.0.1-SNAPSHOT 316 | imagePullPolicy: IfNotPresent 317 | ports: 318 | - containerPort: 80 319 | resources: 320 | limits: 321 | cpu: 1.0 322 | memory: 1024Mi 323 | requests: 324 | cpu: 0.5 325 | memory: 640Mi 326 | livenessProbe: 327 | httpGet: 328 | path: /application/status 329 | port: 80 330 | initialDelaySeconds: 90 331 | periodSeconds: 15 332 | timeoutSeconds: 5 333 | readinessProbe: 334 | httpGet: 335 | path: /application/status 336 | port: 80 337 | initialDelaySeconds: 45 338 | periodSeconds: 15 339 | timeoutSeconds: 5 340 | env: 341 | - name: SERVER_PORT 342 | value: '80' 343 | - name: SPRING_PROFILES_ACTIVE 344 | value: kubernetes 345 | - name: MYSQL_ROOT_PASSWORD 346 | valueFrom: 347 | secretKeyRef: 348 | name: mysql 349 | key: mysql-root-password 350 | volumeMounts: 351 | - name: application-config 352 | mountPath: "/config" 353 | readOnly: true 354 | volumes: 355 | - name: application-config 356 | configMap: 357 | name: actors 358 | items: 359 | - key: application.yaml 360 | path: application-kubernetes.yaml 361 | ---- 362 | + 363 | .config/actors-config.yaml 364 | [source,yaml] 365 | ---- 366 | apiVersion: v1 367 | kind: ConfigMap 368 | metadata: 369 | name: actors 370 | labels: 371 | app: actors 372 | data: 373 | application.yaml: |- 374 | security: 375 | basic: 376 | enabled: false 377 | spring: 378 | datasource: 379 | url: jdbc:mysql://${MYSQL_SERVICE_HOST}:${MYSQL_SERVICE_PORT}/mysql 380 | username: root 381 | password: ${mysql-root-password} 382 | driverClassName: com.mysql.jdbc.Driver 383 | testOnBorrow: true 384 | validationQuery: "SELECT 1" 385 | ---- 386 | 387 | ==== Deploy app on Kubernetes and test 388 | 389 | . Build app and Docker image 390 | + 391 | NOTE: We are sharing the Docker environment used by Minikube 392 | + 393 | ---- 394 | eval $(minikube docker-env) 395 | ./mvnw clean package dockerfile:build 396 | ---- 397 | 398 | . Deploy app to k8s 399 | + 400 | ---- 401 | kubectl apply -f config/ 402 | ---- 403 | 404 | . Get status 405 | + 406 | ---- 407 | $ kubectl get all 408 | ---- 409 | 410 | . Add some actor records 411 | + 412 | We need to look up the IP address of the service and then POST some data to it and test retreiving them: 413 | + 414 | [source,bash] 415 | ---- 416 | export ACTORS_URL="$(minikube service actors --url)" 417 | curl -i -X POST -H "Content-Type:application/json" -d "{ \"name\" : \"Dolph Lundgren\", \"age\" : 59 }" $ACTORS_URL/actors 418 | curl -i -X POST -H "Content-Type:application/json" -d "{ \"name\" : \"Jack Nicholson\", \"age\" : 80 }" $ACTORS_URL/actors 419 | curl -i -X POST -H "Content-Type:application/json" -d "{ \"name\" : \"Meryl Streep\", \"age\" : 68 }" $ACTORS_URL/actors 420 | curl $ACTORS_URL/actors 421 | ---- 422 | -------------------------------------------------------------------------------- /demo-hello.adoc: -------------------------------------------------------------------------------- 1 | == Demo - Hello App deployed on Kubernetes 2 | 3 | Simple Hello Spring Boot app deployment on Minikube 4 | 5 | ==== Start Minikube 6 | 7 | - Install Minikube from https://kubernetes.io/docs/tasks/tools/install-minikube/ 8 | 9 | - Install `kubectl` from https://kubernetes.io/docs/tasks/tools/install-kubectl/ 10 | 11 | Then, start Minikube: 12 | 13 | minikube start 14 | 15 | ==== Create and run a simple Spring Boot app 16 | 17 | . Create a simple Boot app (You can also use https://start.spring.io/[Spring Initializr] web interface) 18 | + 19 | ---- 20 | curl https://start.spring.io/starter.zip -d bootVersion=2.0.0.M5 \ 21 | -d dependencies=web,actuator \ 22 | -d groupId=com.springdeveloper.k8s -d artifactId=hello \ 23 | -d name=hello -d baseDir=hello -o hello.zip 24 | unzip hello.zip 25 | cd hello 26 | ---- 27 | 28 | NOTE: We are using the most Spring Boot 2.0 M5, as of Nov 6 there is a new M6 milestone available. 29 | 30 | . Add a `@RestController` and a mapping for `/hello` (the bold parts are the additions): 31 | + 32 | .src/main/java/com/springdeveloper/k8s/demo/HelloApplication.java 33 | [source,subs=+quotes] 34 | ---- 35 | package com.springdeveloper.k8s.hello; 36 | 37 | import org.springframework.boot.SpringApplication; 38 | import org.springframework.boot.autoconfigure.SpringBootApplication; 39 | *import org.springframework.web.bind.annotation.GetMapping;* 40 | *import org.springframework.web.bind.annotation.RestController;* 41 | 42 | @SpringBootApplication 43 | public class HelloApplication { 44 | public static void main(String[] args) { 45 | SpringApplication.run(HelloApplication.class, args); 46 | } 47 | 48 | *@RestController* 49 | *class HelloController {* 50 | *@GetMapping("/hello")* 51 | *String hello() {* 52 | *return "Hello Kubernauts!";* 53 | *}* 54 | *}* 55 | } 56 | ---- 57 | 58 | . Add a property enabling the `/application/env` endpoint. This allows us to inspect environment variables added by Kubernetes. 59 | + 60 | .src/main/resources/application.properties 61 | ---- 62 | endpoints.env.enabled=true 63 | ---- 64 | 65 | . Create a `Dockerfile` so we can package this app as a Docker image 66 | + 67 | .Dockerfile 68 | ---- 69 | FROM java:8-alpine 70 | VOLUME /tmp 71 | ADD ./target/hello-0.0.1-SNAPSHOT.jar /hello.jar 72 | RUN sh -c 'touch /hello.jar' 73 | ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/hello.jar"] 74 | ---- 75 | 76 | . Build the app and the Docker image 77 | + 78 | NOTE: We are sharing the Docker environment used by Minikube 79 | + 80 | ---- 81 | eval $(minikube docker-env) 82 | ./mvnw clean package 83 | docker build -t $USER/hello:0.0.1 . 84 | ---- 85 | 86 | . Run a Kubernetes deployment on the running Minikube cluster 87 | + 88 | ---- 89 | kubectl run hello --image $USER/hello:0.0.1 --port 8080 90 | kubectl expose deployment hello --type=NodePort 91 | ---- 92 | 93 | . Test the app 94 | + 95 | ---- 96 | curl $(minikube service hello --url)/hello 97 | ---- 98 | 99 | . Inspect environment variables and Kubernetes deployment/service yaml 100 | + 101 | ---- 102 | curl $(minikube service hello --url)/application/env | python -m json.tool 103 | kubectl get deploy/hello -o yaml 104 | kubectl get svc/hello -o yaml 105 | ---- 106 | 107 | . Create Deployment and Service YAML files for future repeatable deployments 108 | + 109 | ProTip from Joe Beda at Heptio: https://blog.heptio.com/using-kubectl-to-jumpstart-a-yaml-file-heptioprotip-6f5b8a63a3ea 110 | + 111 | ---- 112 | kubectl run hello --image $USER/hello:0.0.1 --port 8080 -o yaml --dry-run \ 113 | > hello-deployment.yaml 114 | kubectl expose deployment hello --type=NodePort -o yaml --dry-run > hello-svc.yaml 115 | ---- 116 | 117 | . Delete the resources created for `hello` 118 | + 119 | ---- 120 | kubectl delete all -l run=hello 121 | ---- 122 | -------------------------------------------------------------------------------- /demo-microservices.adoc: -------------------------------------------------------------------------------- 1 | == Demo - Spring Boot Microservices on Kubernetes 2 | 3 | See: https://github.com/trisberg/boot-k8s-microservices/blob/devoxx-2017/README.adoc[] 4 | 5 | 6 | -------------------------------------------------------------------------------- /hello/.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 | 12 | ### IntelliJ IDEA ### 13 | .idea 14 | *.iws 15 | *.iml 16 | *.ipr 17 | 18 | ### NetBeans ### 19 | nbproject/private/ 20 | build/ 21 | nbbuild/ 22 | dist/ 23 | nbdist/ 24 | .nb-gradle/ -------------------------------------------------------------------------------- /hello/.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/trisberg/devoxx-spring-boot-k8s/02dd60d3d9005bc956fe3c794f89eddcf0ce975f/hello/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /hello/.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 | -------------------------------------------------------------------------------- /hello/Dockerfile: -------------------------------------------------------------------------------- 1 | FROM java:8-alpine 2 | VOLUME /tmp 3 | ADD ./target/hello-0.0.1-SNAPSHOT.jar /hello.jar 4 | RUN sh -c 'touch /hello.jar' 5 | ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/hello.jar"] 6 | -------------------------------------------------------------------------------- /hello/hello-deployment.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: Deployment 3 | metadata: 4 | creationTimestamp: null 5 | labels: 6 | run: hello 7 | name: hello 8 | spec: 9 | replicas: 1 10 | selector: 11 | matchLabels: 12 | run: hello 13 | strategy: {} 14 | template: 15 | metadata: 16 | creationTimestamp: null 17 | labels: 18 | run: hello 19 | spec: 20 | containers: 21 | - image: trisberg/hello:0.0.1 22 | name: hello 23 | ports: 24 | - containerPort: 8080 25 | resources: {} 26 | status: {} 27 | -------------------------------------------------------------------------------- /hello/hello-svc.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Service 3 | metadata: 4 | creationTimestamp: null 5 | labels: 6 | run: hello 7 | name: hello 8 | spec: 9 | ports: 10 | - port: 8080 11 | protocol: TCP 12 | targetPort: 8080 13 | selector: 14 | run: hello 15 | type: NodePort 16 | status: 17 | loadBalancer: {} 18 | -------------------------------------------------------------------------------- /hello/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 | -------------------------------------------------------------------------------- /hello/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 | -------------------------------------------------------------------------------- /hello/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.springdeveloper.k8s 7 | hello 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | hello 12 | Demo project for Spring Boot 13 | 14 | 15 | org.springframework.boot 16 | spring-boot-starter-parent 17 | 2.0.0.M5 18 | 19 | 20 | 21 | 22 | UTF-8 23 | UTF-8 24 | 1.8 25 | 26 | 27 | 28 | 29 | org.springframework.boot 30 | spring-boot-starter-actuator 31 | 32 | 33 | org.springframework.boot 34 | spring-boot-starter-web 35 | 36 | 37 | 38 | org.springframework.boot 39 | spring-boot-starter-test 40 | test 41 | 42 | 43 | 44 | 45 | 46 | 47 | org.springframework.boot 48 | spring-boot-maven-plugin 49 | 50 | 51 | 52 | 53 | 54 | 55 | spring-snapshots 56 | Spring Snapshots 57 | https://repo.spring.io/snapshot 58 | 59 | true 60 | 61 | 62 | 63 | spring-milestones 64 | Spring Milestones 65 | https://repo.spring.io/milestone 66 | 67 | false 68 | 69 | 70 | 71 | 72 | 73 | 74 | spring-snapshots 75 | Spring Snapshots 76 | https://repo.spring.io/snapshot 77 | 78 | true 79 | 80 | 81 | 82 | spring-milestones 83 | Spring Milestones 84 | https://repo.spring.io/milestone 85 | 86 | false 87 | 88 | 89 | 90 | 91 | 92 | 93 | -------------------------------------------------------------------------------- /hello/src/main/java/com/springdeveloper/k8s/hello/HelloApplication.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.hello; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | import org.springframework.web.bind.annotation.GetMapping; 6 | import org.springframework.web.bind.annotation.RestController; 7 | 8 | @SpringBootApplication 9 | public class HelloApplication { 10 | 11 | @RestController 12 | class HelloController { 13 | @GetMapping("/hello") 14 | String hello() { 15 | return "Hello Kubernauts!"; 16 | } 17 | } 18 | 19 | public static void main(String[] args) { 20 | SpringApplication.run(HelloApplication.class, args); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /hello/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | endpoints.env.enabled=true 2 | -------------------------------------------------------------------------------- /hello/src/test/java/com/springdeveloper/k8s/hello/HelloApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.springdeveloper.k8s.hello; 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 HelloApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /mysql/mysql-deployment.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: extensions/v1beta1 2 | kind: Deployment 3 | metadata: 4 | name: mysql 5 | labels: 6 | app: mysql 7 | spec: 8 | replicas: 1 9 | template: 10 | metadata: 11 | labels: 12 | app: mysql 13 | spec: 14 | containers: 15 | - image: mysql:5.6 16 | name: mysql 17 | env: 18 | - name: MYSQL_ROOT_PASSWORD 19 | # You can change this password - if you do change the base64 encoded value in the secrets file 20 | value: yourpassword 21 | ports: 22 | - containerPort: 3306 23 | name: mysql 24 | volumeMounts: 25 | - name: data 26 | mountPath: /var/lib/mysql 27 | volumes: 28 | - name: data 29 | persistentVolumeClaim: 30 | claimName: mysql 31 | -------------------------------------------------------------------------------- /mysql/mysql-pvc.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: PersistentVolumeClaim 3 | metadata: 4 | name: mysql 5 | labels: 6 | app: mysql 7 | annotations: 8 | volume.alpha.kubernetes.io/storage-class: default 9 | spec: 10 | accessModes: 11 | - ReadWriteOnce 12 | resources: 13 | requests: 14 | storage: 8Gi 15 | -------------------------------------------------------------------------------- /mysql/mysql-secrets.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Secret 3 | metadata: 4 | name: mysql 5 | labels: 6 | app: mysql 7 | data: 8 | mysql-root-password: eW91cnBhc3N3b3Jk 9 | -------------------------------------------------------------------------------- /mysql/mysql-svc.yaml: -------------------------------------------------------------------------------- 1 | apiVersion: v1 2 | kind: Service 3 | metadata: 4 | name: mysql 5 | labels: 6 | app: mysql 7 | spec: 8 | ports: 9 | - port: 3306 10 | selector: 11 | app: mysql 12 | --------------------------------------------------------------------------------