A D Vishnu Prasad

CID - Cloud Infrastructure Designer

Upgrade Jenkins Using Shell Script

Script

upgrade_jenkins.sh
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VERSION=$1
echo "Upgrading jenkins to $VERSION"


echo "Downloading the jar file"
wget http://updates.jenkins-ci.org/download/war/$VERSION/jenkins.war

echo "Stopping jenkins"
service jenkins stop

sleep 5

echo "Moving the existing jenkins jar file"
TIMESTAMP=`date '+%s'`
mv /usr/share/jenkins/jenkins.war /usr/share/jenkins/jenkins.$TIMESTAMP.war

echo "Copying the latest file"
mv jenkins.war /usr/share/jenkins/jenkins.war

echo "Starting Jenkins"
service jenkins start

echo "Upgrade Successful"

Execute Shell

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chmod +x upgrade_jenkins.sh
./upgrade_jenkins.sh <Version Number>
Exammple: ./upgrade_jenkins.sh 2.198

Sample output

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Upgrading jenkins to 2.198
Downloading the jar file
Saving to: 'jenkins.war'
2019-10-01 12:35:52 (5.06 MB/s) - 'jenkins.war' saved [80113050/80113050]
Stopping jenkins
Moving the existing jenkins jar file
Copying the latest file
Starting Jenkins
Upgrade Successful

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