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script.groovy
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script.groovy
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def incrementVersion() {
echo "Incrementing application version"
sh 'mvn build-helper:parse-version versions:set -DnewVersion=\\\${parsedVersion.majorVersion}.\\\${parsedVersion.minorVersion}.\\\${parsedVersion.nextIncrementalVersion} \
versions:commit'
def extractedVersion = readFile("pom.xml") =~ '<version>(.+)</version>'
env.imageVersion = extractedVersion[0][1] + '-' + env.BUILD_NUMBER
echo "updated version is ${imageVersion}"
//In above statement, array element 0 stands for <version tag>, and element 1 stands for the value inside of it. This second dimention can also be used to read child node elements in xml
//BUILD_NUMBER is the jenkins environment variable, which prvides the build number of the pipeline
}
def buildJar() {
echo "Building jarfile"
//cleaning the package first to delete old files form target folder
sh 'mvn clean package'
sh 'mvn package'
}
def buildImage() {
echo "Building docker image"
withCredentials([
usernamePassword(credentialsId: '3703ba37-a8bc-4d6e-8ab4-4bbbf4df5e8e', usernameVariable: 'USER', passwordVariable: 'PASS')
])
{
sh "docker build -t pankajdh/testrepo:java-maven-app-$imageVersion ."
sh 'echo $PASS | docker login -u $USER --password-stdin'
sh "docker push pankajdh/testrepo:java-maven-app-$imageVersion"
}
}
/*
Accpets build version input from user. This process has been automated in the above function with same name
def buildImage() {
def imageVersion = input message: "Kindly input the image version number", ok: "Accept", parameters: [string(name: 'VERSION', defaultValue: '', description: '')]
echo "Building docker image"
withCredentials([
usernamePassword(credentialsId: '3703ba37-a8bc-4d6e-8ab4-4bbbf4df5e8e', usernameVariable: 'USER', passwordVariable: 'PASS')
])
{
sh "docker build -t pankajdh/testrepo:java-maven-app-${imageVersion} ."
sh 'echo $PASS | docker login -u $USER --password-stdin'
sh "docker push pankajdh/testrepo:java-maven-app-${imageVersion}"
}
}
*/
def deployApp() {
echo "Deploying the application"
}
return this