kubernetes-operator/pkg/configuration/base/resources/scripts_configmap.go

123 lines
3.7 KiB
Go

package resources
import (
"fmt"
"text/template"
"github.com/jenkinsci/kubernetes-operator/api/v1alpha2"
"github.com/jenkinsci/kubernetes-operator/internal/render"
"github.com/jenkinsci/kubernetes-operator/pkg/constants"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
const installPluginsCommand = "jenkins-plugin-cli"
var initBashTemplate = template.Must(template.New(InitScriptName).Parse(`#!/usr/bin/env bash
set -e
set -x
if [ "${DEBUG_JENKINS_OPERATOR}" == "true" ]; then
echo "Printing debug messages - begin"
id
env
ls -la {{ .JenkinsHomePath }}
echo "Printing debug messages - end"
else
echo "To print debug messages set environment variable 'DEBUG_JENKINS_OPERATOR' to 'true'"
fi
# https://wiki.jenkins.io/display/JENKINS/Post-initialization+script
mkdir -p {{ .JenkinsHomePath }}/init.groovy.d
cp -n {{ .InitConfigurationPath }}/*.groovy {{ .JenkinsHomePath }}/init.groovy.d
mkdir -p {{ .JenkinsHomePath }}/scripts
cp {{ .JenkinsScriptsVolumePath }}/*.sh {{ .JenkinsHomePath }}/scripts
chmod +x {{ .JenkinsHomePath }}/scripts/*.sh
{{- $jenkinsHomePath := .JenkinsHomePath }}
{{- $installPluginsCommand := .InstallPluginsCommand }}
echo "Installing plugins required by Operator - begin"
cat > {{ .JenkinsHomePath }}/base-plugins.txt << EOF
{{ range $index, $plugin := .BasePlugins }}
{{ $plugin.Name }}:{{ $plugin.Version }}{{if $plugin.DownloadURL}}:{{ $plugin.DownloadURL }}{{end}}
{{ end }}
EOF
{{ $installPluginsCommand }} --verbose --latest {{ .LatestPlugins }} -f {{ .JenkinsHomePath }}/base-plugins.txt
echo "Installing plugins required by Operator - end"
echo "Installing plugins required by user - begin"
cat > {{ .JenkinsHomePath }}/user-plugins.txt << EOF
{{ range $index, $plugin := .UserPlugins }}
{{ $plugin.Name }}:{{ $plugin.Version }}{{if $plugin.DownloadURL}}:{{ $plugin.DownloadURL }}{{end}}
{{ end }}
EOF
{{ $installPluginsCommand }} --verbose --latest {{ .LatestPlugins }} -f {{ .JenkinsHomePath }}/user-plugins.txt
echo "Installing plugins required by user - end"
`))
func buildConfigMapTypeMeta() metav1.TypeMeta {
return metav1.TypeMeta{
Kind: "ConfigMap",
APIVersion: "v1",
}
}
func buildInitBashScript(jenkins *v1alpha2.Jenkins) (*string, error) {
latestP := jenkins.Spec.Master.LatestPlugins
if latestP == nil {
latestP = new(bool)
*latestP = true
}
data := struct {
JenkinsHomePath string
InitConfigurationPath string
InstallPluginsCommand string
JenkinsScriptsVolumePath string
BasePlugins []v1alpha2.Plugin
UserPlugins []v1alpha2.Plugin
LatestPlugins bool
}{
JenkinsHomePath: getJenkinsHomePath(jenkins),
InitConfigurationPath: jenkinsInitConfigurationVolumePath,
BasePlugins: jenkins.Spec.Master.BasePlugins,
UserPlugins: jenkins.Spec.Master.Plugins,
InstallPluginsCommand: installPluginsCommand,
JenkinsScriptsVolumePath: JenkinsScriptsVolumePath,
LatestPlugins: *latestP,
}
output, err := render.Render(initBashTemplate, data)
if err != nil {
return nil, err
}
return &output, nil
}
func getScriptsConfigMapName(jenkins *v1alpha2.Jenkins) string {
return fmt.Sprintf("%s-scripts-%s", constants.OperatorName, jenkins.ObjectMeta.Name)
}
// NewScriptsConfigMap builds Kubernetes config map used to store scripts
func NewScriptsConfigMap(meta metav1.ObjectMeta, jenkins *v1alpha2.Jenkins) (*corev1.ConfigMap, error) {
meta.Name = getScriptsConfigMapName(jenkins)
initBashScript, err := buildInitBashScript(jenkins)
if err != nil {
return nil, err
}
return &corev1.ConfigMap{
TypeMeta: buildConfigMapTypeMeta(),
ObjectMeta: meta,
Data: map[string]string{
InitScriptName: *initBashScript,
},
}, nil
}