149 lines
4.5 KiB
Go
149 lines
4.5 KiB
Go
package resources
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import (
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"fmt"
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"strings"
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"text/template"
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"github.com/jenkinsci/kubernetes-operator/api/v1alpha2"
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"github.com/jenkinsci/kubernetes-operator/internal/render"
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"github.com/jenkinsci/kubernetes-operator/pkg/constants"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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const installPluginsCommand = "jenkins-plugin-cli"
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var requiredBasePlugins = []string{"configuration-as-code", "git", "job-dsl", "kubernetes", "kubernetes-credentials-provider", "workflow-aggregator"}
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var initBashTemplate = template.Must(template.New(InitScriptName).Parse(`#!/usr/bin/env bash
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set -e
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set -x
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if [ "${DEBUG_JENKINS_OPERATOR}" == "true" ]; then
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echo "Printing debug messages - begin"
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id
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env
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ls -la {{ .JenkinsHomePath }}
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echo "Printing debug messages - end"
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else
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echo "To print debug messages set environment variable 'DEBUG_JENKINS_OPERATOR' to 'true'"
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fi
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# https://wiki.jenkins.io/display/JENKINS/Post-initialization+script
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mkdir -p {{ .JenkinsHomePath }}/init.groovy.d
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cp -n {{ .InitConfigurationPath }}/*.groovy {{ .JenkinsHomePath }}/init.groovy.d
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mkdir -p {{ .JenkinsHomePath }}/scripts
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cp {{ .JenkinsScriptsVolumePath }}/*.sh {{ .JenkinsHomePath }}/scripts
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chmod +x {{ .JenkinsHomePath }}/scripts/*.sh
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{{if not .SkipPlugins }}
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{{- $jenkinsHomePath := .JenkinsHomePath }}
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{{- $installPluginsCommand := .InstallPluginsCommand }}
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echo "Installing plugins required by Operator - begin"
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cat > {{ .JenkinsHomePath }}/base-plugins.txt << EOF
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{{ range $index, $plugin := .BasePlugins }}
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{{ $plugin.Name }}:{{ $plugin.Version }}{{if $plugin.DownloadURL}}:{{ $plugin.DownloadURL }}{{end}}
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{{ end }}
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EOF
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{{ $installPluginsCommand }} --verbose --latest {{ .LatestPlugins }} -f {{ .JenkinsHomePath }}/base-plugins.txt
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echo "Installing plugins required by Operator - end"
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echo "Installing plugins required by user - begin"
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cat > {{ .JenkinsHomePath }}/user-plugins.txt << EOF
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{{ range $index, $plugin := .UserPlugins }}
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{{ $plugin.Name }}:{{ $plugin.Version }}{{if $plugin.DownloadURL}}:{{ $plugin.DownloadURL }}{{end}}
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{{ end }}
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EOF
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{{ $installPluginsCommand }} --verbose --latest {{ .LatestPlugins }} -f {{ .JenkinsHomePath }}/user-plugins.txt
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echo "Installing plugins required by user - end"
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{{else}}
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echo "Skipping installation if plugins"
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echo "Checking if required base plugins are installed"
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installedPlugins=$(jenkins-plugin-cli --list 2> /dev/null)
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for plugin in {{ .RequiredBasePlugins }}; do
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if ! echo "$installedPlugins" | grep -q "^$plugin "; then
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echo "Required base plugin $plugin not installed, exiting"
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exit 1
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else
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echo "Found $plugin"
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fi
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done
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{{end}}
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`))
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func buildConfigMapTypeMeta() metav1.TypeMeta {
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return metav1.TypeMeta{
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Kind: "ConfigMap",
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APIVersion: "v1",
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}
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}
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func buildInitBashScript(jenkins *v1alpha2.Jenkins) (*string, error) {
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latestP := jenkins.Spec.Master.LatestPlugins
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if latestP == nil {
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latestP = new(bool)
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*latestP = true
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}
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skipPlugins := jenkins.Spec.Master.SkipPlugins
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if skipPlugins == nil {
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skipPlugins = new(bool)
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*skipPlugins = false
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}
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data := struct {
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JenkinsHomePath string
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InitConfigurationPath string
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InstallPluginsCommand string
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RequiredBasePlugins string
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JenkinsScriptsVolumePath string
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BasePlugins []v1alpha2.Plugin
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UserPlugins []v1alpha2.Plugin
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LatestPlugins bool
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SkipPlugins bool
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}{
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JenkinsHomePath: getJenkinsHomePath(jenkins),
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InitConfigurationPath: jenkinsInitConfigurationVolumePath,
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BasePlugins: jenkins.Spec.Master.BasePlugins,
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UserPlugins: jenkins.Spec.Master.Plugins,
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InstallPluginsCommand: installPluginsCommand,
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RequiredBasePlugins: strings.Join(requiredBasePlugins, " "),
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JenkinsScriptsVolumePath: JenkinsScriptsVolumePath,
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LatestPlugins: *latestP,
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SkipPlugins: *skipPlugins,
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}
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output, err := render.Render(initBashTemplate, data)
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if err != nil {
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return nil, err
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}
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return &output, nil
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}
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func getScriptsConfigMapName(jenkins *v1alpha2.Jenkins) string {
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return fmt.Sprintf("%s-scripts-%s", constants.OperatorName, jenkins.ObjectMeta.Name)
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}
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// NewScriptsConfigMap builds Kubernetes config map used to store scripts
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func NewScriptsConfigMap(meta metav1.ObjectMeta, jenkins *v1alpha2.Jenkins) (*corev1.ConfigMap, error) {
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meta.Name = getScriptsConfigMapName(jenkins)
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initBashScript, err := buildInitBashScript(jenkins)
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if err != nil {
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return nil, err
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}
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return &corev1.ConfigMap{
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TypeMeta: buildConfigMapTypeMeta(),
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ObjectMeta: meta,
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Data: map[string]string{
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InitScriptName: *initBashScript,
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},
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}, nil
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}
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