Script for installing Jenkins

install-jenkins.sh

# configure HTTP proxy
export http_proxy=http://rhe-proxy.prod.lan:8080

# install Jenkins
wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo
rpm --import http://pkg.jenkins-ci.org/redhat-stable/jenkins-ci.org.key
yum -y install jenkins

# set up proxy for plugins
echo "<?xml version='1.0' encoding='UTF-8'?>
<proxy>
  <name>rhe-proxy.prod.lan</name>
  <port>8080</port>
  <noProxyHost>127.0.0.1
localhost</noProxyHost>
  <secretPassword>DAEjLylOm9ldIqGpFMEdXw==</secretPassword>
  <testUrl>http://google.com</testUrl>
</proxy>" > /var/lib/jenkins/proxy.xml
chown jenkins:jenkins /var/lib/jenkins/proxy.xml

# modify Jenkins Maven settings
echo "<?xml version='1.0' encoding='UTF-8'?> 
<hudson.tasks.Maven_-DescriptorImpl>
    <installations>
        <hudson.tasks.Maven_-MavenInstallation>
            <name>maven-3.2.2</name>
            <home>/usr/local/apache-maven</home>
            <properties/>
        </hudson.tasks.Maven_-MavenInstallation>
    </installations>
</hudson.tasks.Maven_-DescriptorImpl>" > /var/lib/jenkins/hudson.tasks.Maven.xml
chown jenkins:jenkins /var/lib/jenkins/hudson.tasks.Maven.xml

# install Maven as per http://maven.apache.org/download.cgi#Installation_Instructions
/usr/bin/wget http://apache.mirror.serversaustralia.com.au/maven/maven-3/3.2.2/binaries/apache-maven-3.2.2-bin.tar.gz
tar xvf apache-maven-3.2.2-bin.tar.gz
mv apache-maven-3.2.2 /usr/local/apache-maven

echo "<settings>
  <servers>
    <server>
      <id>nexus</id>
      <username>deployment</username>
      <password>deployment123</password>
    </server>
  </servers>
  <mirrors>
    <mirror>
      <!--This sends everything else to /public -->
      <id>nexus</id>
      <mirrorOf>*</mirrorOf>
      <url>http://10.10.36.14:8081/nexus/content/groups/public</url>
    </mirror>
  </mirrors>
  <profiles>
    <profile>
    <id>nexus</id>
    <!--Enable snapshots for the built in central repo to direct -->
    <!--all requests to nexus via the mirror -->
    <repositories>
      <repository>
        <id>central</id>
        <url>http://central</url>
        <releases><enabled>true</enabled></releases>
        <snapshots><enabled>true</enabled></snapshots>
      </repository>
    </repositories>
    <pluginRepositories>
      <pluginRepository>
        <id>central</id>
        <url>http://central</url>
        <releases><enabled>true</enabled></releases>
        <snapshots><enabled>true</enabled></snapshots>
      </pluginRepository>
    </pluginRepositories>
    </profile>
  </profiles>
  <activeProfiles>
    <!--make the profile active all the time -->
    <activeProfile>nexus</activeProfile>
  </activeProfiles>
</settings>" > /usr/local/apache-maven/conf/settings.xml

# install git
yum -y install git

# set up persistent environment variables
echo "export http_proxy=http://rhe-proxy.prod.lan:8080
export no_proxy='localhost, 127.0.0.1'
export M2_HOME=/usr/local/apache-maven
export M2=\$M2_HOME/bin
export JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.9.x86_64/jre
export GIT_HOME=/usr/bin/git
export PATH=\$PATH:\$M2:\$JAVA_HOME/bin" > /etc/profile.d/jenkins.sh
source /etc/profile.d/jenkins.sh

# start Jenkins
/sbin/chkconfig jenkins on
/etc/init.d/jenkins start

# allow 8080 connections
/sbin/iptables -I INPUT 5 -p tcp -m state --state NEW --dport 8080 -j ACCEPT
/etc/init.d/iptables save

Installs via RedHat RPM package:

• creates jenkins user
• creates init.d service
• installs Jenkins to /var/lib/jenkins (launch config in /usr/lib/jenkins)

https://wiki.jenkins-ci.org/display/JENKINS/Installing+Jenkins+on+RedHat+distributions