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jenkins/2/contrib/jenkins/kube-slave-common.sh

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#!/bin/bash
#
# This file provides functions to automatically discover suitable image streams
# that the Kubernetes plugin will use to create "slave" pods.
# The image streams has to have label "role" set to "jenkins-slave".
#
# The Jenkins container also need permissions to access the OpenShift API to
# list image streams. You have to run this command to allow that:
#
# $ oc policy add-role-to-user edit system:serviceaccount:ci:default -n ci
#
# (where the 'ci' is the namespace where Jenkins runs)
export DEFAULT_SLAVE_DIRECTORY=/tmp
export SLAVE_LABEL="jenkins-slave"
JNLP_SERVICE_NAME=${JNLP_SERVICE_NAME:-JENKINS_JNLP}
JNLP_SERVICE_NAME=`echo ${JNLP_SERVICE_NAME} | tr '[a-z]' '[A-Z]' | tr '-' '_'`
T_HOST=${JNLP_SERVICE_NAME}_SERVICE_HOST
# the '!' handles env variable indirection so we can resolve the nested variable
# see: http://stackoverflow.com/a/14204692
JNLP_HOST=${!T_HOST}
T_PORT=${JNLP_SERVICE_NAME}_SERVICE_PORT
JNLP_PORT=${!T_PORT}
export JNLP_PORT=${JNLP_PORT:-50000}
# pull from 4.0 payload env in image registry; we no longer
# provide a default when running this image outside of openshift;
# other configuration changes (like the SA) were needed as well
# anyway
export NODEJS_SLAVE=${NODEJS_SLAVE_IMAGE:-image-registry.openshift-image-registry.svc:5000/openshift/jenkins-agent-nodejs:latest}
export MAVEN_SLAVE=${MAVEN_SLAVE_IMAGE:-image-registry.openshift-image-registry.svc:5000/openshift/jenkins-agent-maven:latest}
export AGENT_BASE=${AGENT_BASE_IMAGE:-image-registry.openshift-image-registry.svc:5000/openshift/jenkins-agent-base:latest}
export JAVA_BUILDER=${JAVA_BUILDER_IMAGE:-image-registry.openshift-image-registry.svc:5000/openshift/java:latest}
export NODEJS_BUILDER=${NODEJS_BUILDER_IMAGE:-image-registry.openshift-image-registry.svc:5000/openshift/nodejs:latest}
JENKINS_SERVICE_NAME=${JENKINS_SERVICE_NAME:-JENKINS}
JENKINS_SERVICE_NAME=`echo ${JENKINS_SERVICE_NAME} | tr '[a-z]' '[A-Z]' | tr '-' '_'`
J_HOST=${JENKINS_SERVICE_NAME}_SERVICE_HOST
JENKINS_SERVICE_HOST=${!J_HOST}
J_PORT=${JENKINS_SERVICE_NAME}_SERVICE_PORT
JENKINS_SERVICE_PORT=${!J_PORT}
# The project name equals to the namespace name where the container with jenkins
# runs. You can override it by setting the PROJECT_NAME variable.
# If there is no environment variable and this container does not run in
# kubernetes, the default value "ci" is used.
if [ -z "${PROJECT_NAME}" ]; then
if [ -f "${KUBE_SA_DIR}/namespace" ]; then
export PROJECT_NAME=$(cat "${KUBE_SA_DIR}/namespace")
else
export PROJECT_NAME="ci"
fi
else
export PROJECT_NAME
fi
export JENKINS_PASSWORD KUBERNETES_SERVICE_HOST KUBERNETES_SERVICE_PORT
export K8S_PLUGIN_POD_TEMPLATES=""
export PATH=$PATH:${JENKINS_HOME}/.local/bin
function has_service_account() {
[ -f "${AUTH_TOKEN}" ]
}
if has_service_account; then
export oc_auth="--token=$(cat $AUTH_TOKEN) --certificate-authority=${KUBE_CA}"
export oc_cmd="oc --server=$OPENSHIFT_API_URL ${oc_auth}"
export oc_serviceaccount_name="$(expr "$(oc whoami)" : 'system:serviceaccount:[a-z0-9][-a-z0-9]*:\([a-z0-9][-a-z0-9]*\)' || true)"
fi
# generate_kubernetes_config generates a configuration for the kubernetes plugin
function generate_kubernetes_config() {
[ -z "$oc_cmd" ] && return
[ ! has_service_account ] && return
local crt_contents=$(openssl x509 -in "${KUBE_CA}")
if [ $? -eq 1 ] ; then
crt_contents=""
fi
echo "
<org.csanchez.jenkins.plugins.kubernetes.KubernetesCloud>
<name>openshift</name>
<templates>
<org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<inheritFrom></inheritFrom>
<name>maven</name>
<instanceCap>2147483647</instanceCap>
<idleMinutes>0</idleMinutes>
<label>maven</label>
<serviceAccount>${oc_serviceaccount_name}</serviceAccount>
<nodeSelector></nodeSelector>
<volumes/>
<containers>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>jnlp</name>
<image>${MAVEN_SLAVE}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/tmp</workingDir>
<command></command>
<args>\${computer.jnlpmac} \${computer.name}</args>
<ttyEnabled>false</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
</containers>
<envVars/>
<annotations/>
<imagePullSecrets/>
<nodeProperties/>
</org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<inheritFrom></inheritFrom>
<name>nodejs</name>
<instanceCap>2147483647</instanceCap>
<idleMinutes>0</idleMinutes>
<label>nodejs</label>
<serviceAccount>${oc_serviceaccount_name}</serviceAccount>
<nodeSelector></nodeSelector>
<volumes/>
<containers>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>jnlp</name>
<image>${NODEJS_SLAVE}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/tmp</workingDir>
<command></command>
<args>\${computer.jnlpmac} \${computer.name}</args>
<ttyEnabled>false</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
</containers>
<envVars/>
<annotations/>
<imagePullSecrets/>
<nodeProperties/>
</org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<inheritFrom></inheritFrom>
<name>java-builder</name>
<instanceCap>2147483647</instanceCap>
<idleMinutes>0</idleMinutes>
<label>java-builder</label>
<serviceAccount>${oc_serviceaccount_name}</serviceAccount>
<nodeSelector></nodeSelector>
<volumes/>
<containers>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>jnlp</name>
<image>${AGENT_BASE}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/home/jenkins/agent</workingDir>
<command></command>
<args>\$(JENKINS_SECRET) \$(JENKINS_NAME)</args>
<ttyEnabled>false</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>java</name>
<image>${JAVA_BUILDER}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/home/jenkins/agent</workingDir>
<command>cat</command>
<args></args>
<ttyEnabled>true</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
</containers>
<envVars/>
<annotations/>
<imagePullSecrets/>
<nodeProperties/>
</org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
<inheritFrom></inheritFrom>
<name>nodejs-builder</name>
<instanceCap>2147483647</instanceCap>
<idleMinutes>0</idleMinutes>
<label>nodejs-builder</label>
<serviceAccount>${oc_serviceaccount_name}</serviceAccount>
<nodeSelector></nodeSelector>
<volumes/>
<containers>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>jnlp</name>
<image>${AGENT_BASE}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/home/jenkins/agent</workingDir>
<command></command>
<args>\$(JENKINS_SECRET) \$(JENKINS_NAME)</args>
<ttyEnabled>false</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
<name>nodejs</name>
<image>${NODEJS_BUILDER}</image>
<privileged>false</privileged>
<alwaysPullImage>true</alwaysPullImage>
<workingDir>/home/jenkins/agent</workingDir>
<command>cat</command>
<args></args>
<ttyEnabled>true</ttyEnabled>
<resourceRequestCpu></resourceRequestCpu>
<resourceRequestMemory></resourceRequestMemory>
<resourceLimitCpu></resourceLimitCpu>
<resourceLimitMemory></resourceLimitMemory>
<envVars/>
</org.csanchez.jenkins.plugins.kubernetes.ContainerTemplate>
</containers>
<envVars/>
<annotations/>
<imagePullSecrets/>
<nodeProperties/>
</org.csanchez.jenkins.plugins.kubernetes.PodTemplate>
</templates>
<serverUrl>https://${KUBERNETES_SERVICE_HOST}:${KUBERNETES_SERVICE_PORT}</serverUrl>
<skipTlsVerify>false</skipTlsVerify>
<addMasterProxyEnvVars>true</addMasterProxyEnvVars>
<serverCertificate>${crt_contents}</serverCertificate>
<namespace>${PROJECT_NAME}</namespace>
<jenkinsUrl>http://${JENKINS_SERVICE_HOST}:${JENKINS_SERVICE_PORT}</jenkinsUrl>
<jenkinsTunnel>${JNLP_HOST}:${JNLP_PORT}</jenkinsTunnel>
<containerCap>100</containerCap>
<retentionTimeout>5</retentionTimeout>
</org.csanchez.jenkins.plugins.kubernetes.KubernetesCloud>
"
}