feat: init the maven-cacher chart

charts/maven-cacher/Chart.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+description: Maven Cache updater for the *.jenkins.io controllers
+name: maven-cacher
+version: 0.0.1
+maintainers:
+- email: jenkins-infra-team@googlegroups.com
+  name: jenkins-infra-team

charts/maven-cacher/templates/_helpers.tpl

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+{{/* vim: set filetype=mustache: */}}
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "maven-cacher.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "maven-cacher.fullname" -}}
+{{- if .Values.fullnameOverride -}}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- $name := default .Chart.Name .Values.nameOverride -}}
+{{- if contains $name .Release.Name -}}
+{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
+{{- else -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+{{- end -}}
+{{- end -}}
+
+{{/*
+Selector labels
+*/}}
+{{- define "maven-cacher.selectorLabels" -}}
+app.kubernetes.io/name: maven-cacher
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "maven-cacher.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{/*
+Common labels
+*/}}
+{{- define "maven-cacher.labels" -}}
+{{ include "maven-cacher.selectorLabels" . }}
+helm.sh/chart: {{ include "maven-cacher.chart" . }}
+{{- end -}}

charts/maven-cacher/templates/configmap-maven-settings.yaml

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+{{- if .Values.mavenMirror.enable }}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "maven-cacher.fullname" . }}-maven-settings
+  labels: {{ include "maven-cacher.labels" . | nindent 4 }}
+data:
+  settings.xml: |
+    <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
+      <mirrors>
+        <mirror>
+            <id>{{ .Values.mavenMirror.mirrorId }}</id>
+            <url>{{ .Values.mavenMirror.url }}</url>
+            <mirrorOf>{{ .Values.mavenMirror.mirrorOf }}</mirrorOf>
+        </mirror>
+      </mirrors>
+      <profiles>
+        <profile>
+          <id>jenkins-infra-plugin-repositories</id>
+          <pluginRepositories>
+            <pluginRepository>
+              <id>repo.jenkins-ci.org</id>
+              <url>https://repo.jenkins-ci.org/public/</url>
+            </pluginRepository>
+            <pluginRepository>
+              <snapshots>
+                <enabled>false</enabled>
+              </snapshots>
+              <id>incrementals</id>
+              <url>https://repo.jenkins-ci.org/incrementals/</url>
+            </pluginRepository>
+            <pluginRepository>
+              <id>central</id>
+              <url>https://repo.maven.apache.org/maven2</url>
+            </pluginRepository>
+          </pluginRepositories>
+        </profile>
+      </profiles>
+      <activeProfiles>
+        <activeProfile>jenkins-infra-plugin-repositories</activeProfile>
+      </activeProfiles>
+    </settings>
+{{- end }}

charts/maven-cacher/templates/configmap-scripts.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "maven-cacher.fullname" . }}-scripts
+  labels: {{ include "maven-cacher.labels" . | nindent 4 }}
+data:
+  maven-cacher.sh: |
+    #!/bin/bash
+
+    set -eux -o pipefail
+
+    mvn_cache_dir="${MVN_CACHE_DIR:-"/tmp"}"
+    test -d "${mvn_cache_dir}"
+    mvn_local_repo="${MVN_LOCAL_REPO:-"${HOME}/.m2/repository"}"
+    mvn_cache_archive="${mvn_cache_dir}/maven-bom-local-repo.tar.gz"
+
+    # Set up local working directory with BOM code
+    test -d ./bom || git clone https://github.com/jenkinsci/bom
+    pushd ./bom
+
+    # TODO: Retrieve this list from Maven
+    build_lines=("weekly" "2.479.x" "2.492.x")
+
+    # Load dependencies in the local Maven repo
+    for build_line in "${build_lines[@]}"; do
+      MVN_OPTS=()
+      if [[ $build_line != "weekly" ]]; then
+          MVN_OPTS+=("-P $build_line")
+      fi
+      time mvn -pl sample-plugin\
+          dependency:go-offline \
+          -DincludeScore=runtime,compile,test \
+          -Dmaven.repo.local="{{ .Values.mavenLocalRepo }}" \
+          "${MVN_OPTS[@]}"
+    done
+
+    # Generate a new cache archive from the local Maven repository
+    pushd "${mvn_local_repo}"
+    df -h .
+    du -sh .
+    time tar czf /tmp/maven-bom-local-repo.tar.gz ./
+    time cp /tmp/maven-bom-local-repo.tar.gz "${mvn_cache_archive}"
+    du -sh "${mvn_cache_dir}"/*

charts/maven-cacher/templates/cronjob.yaml

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+---
+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: {{ include "maven-cacher.fullname" . }}
+  labels:
+{{ include "maven-cacher.labels" . | indent 4 }}
+spec:
+  concurrencyPolicy: Forbid
+  schedule: {{ .Values.cron }}
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          automountServiceAccountToken: false
+          restartPolicy: Never
+          {{- with .Values.imagePullSecrets }}
+            imagePullSecrets:
+              {{- toYaml . | nindent 12 }}
+          {{- end }}
+          containers:
+            - name: maven-cacher
+              image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+              imagePullPolicy: {{ .Values.image.pullPolicy }}
+              {{- with .Values.containerSecurityContext }}
+              securityContext:
+                {{- toYaml . | nindent 16 }}
+              {{- end }}
+              command:
+                - "bash"
+                - "{{ .Values.scriptsDir }}/maven-cacher.sh"
+              env:
+                - name: MVN_LOCAL_REPO
+                  value: {{ .Values.mavenLocalRepo }}
+                - name: MVN_CACHE_DIR
+                  value: {{ .Values.cacheMount }}
+                - name: JAVA_HOME
+                  value: {{ .Values.javaHome }}
+                {{- if .Values.mavenMirror.enable }}
+                - name: MAVEN_ARGS
+                  value: "-s /mavensettings/settings.xml"
+                {{- end }}
+              volumeMounts:
+                - name: tmpdir
+                  mountPath: /tmp
+                  readOnly: false
+                - name: scripts
+                  mountPath: {{ .Values.scriptsDir }}
+                  readonly: true
+                - name: mavenrepo
+                  mountPath: {{ .Values.mavenLocalRepo }}
+                  readonly: false
+                - name: cache
+                  mountPath: {{ .Values.cacheMount }}
+                  readonly: false
+                {{- if .Values.mavenMirror.enable }}
+                - name: mavensettings
+                  mountPath: /mavensettings
+                  readonly: true
+                {{- end }}
+              workingDir: /tmp
+              {{- with .Values.resources }}
+              resources:
+                {{- toYaml . | nindent 16 }}
+              {{- end }}
+          {{- with .Values.nodeSelector }}
+          nodeSelector:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.affinity }}
+          affinity:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- with .Values.tolerations }}
+          tolerations:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          volumes:
+            - name: tmpdir
+              emptyDir: {}
+            - name: scripts
+              configMap:
+                name: {{ include "maven-cacher.fullname" . }}-scripts
+            - name: mavenrepo
+              emptyDir: {}
+            - name: cache
+            {{- if .Values.cachePvc }}
+              persistentVolumeClaim:
+                claimName: {{ .Values.cachePvc }}
+            {{- else }}
+              emptyDir: {}
+            {{- end -}}
+            {{- if .Values.mavenMirror.enable }}
+            - name: mavensettings
+              configMap:
+                name: {{ include "maven-cacher.fullname" . }}-maven-settings
+            {{- end }}

charts/maven-cacher/tests/custom_values_test.yaml

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+suite: default tests
+templates:
+  - cronjob.yaml
+  - configmap-scripts.yaml
+  - configmap-maven-settings.yaml
+values:
+  - ./values/custom.yaml
+tests:
+  - it: should define the default "scripts" configmap
+    template: configmap-scripts.yaml
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: ConfigMap
+      - equal:
+          path: metadata.name
+          value: RELEASE-NAME-maven-cacher-scripts
+  - it: should NOT define the a "maven-settings" configmap
+    template: configmap-maven-settings.yaml
+    asserts:
+      - hasDocuments:
+          count: 1
+      - isKind:
+          of: ConfigMap
+      - equal:
+          path: metadata.name
+          value: RELEASE-NAME-maven-cacher-maven-settings
+  - it: should define the default "maven-cacher" cronjob with defaults
+    template: cronjob.yaml
+    asserts:
+      - hasDocuments:
+          count: 1
+      - documentIndex: 0
+        isKind:
+          of: CronJob
+      - equal:
+          path: metadata.name
+          value: RELEASE-NAME-maven-cacher
+      - equal:
+          path:  metadata.labels["app.kubernetes.io/name"]
+          value: "maven-cacher"
+      - equal:
+          path: metadata.labels["app.kubernetes.io/instance"]
+          value: "RELEASE-NAME"
+      - equal:
+          path: "spec.jobTemplate.spec.template.spec.containers[*].imagePullPolicy"
+          value: IfNotPresent
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[0].name
+          value: tmpdir
+      - exists:
+          path: spec.jobTemplate.spec.template.spec.volumes[0].emptyDir
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[1].name
+          value: scripts
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[1].configMap.name
+          value: RELEASE-NAME-maven-cacher-scripts
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[2].name
+          value: mavenrepo
+      - exists:
+          path: spec.jobTemplate.spec.template.spec.volumes[2].emptyDir
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[3].name
+          value: cache
+      - notExists:
+          path: spec.jobTemplate.spec.template.spec.volumes[3].emptyDir
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.volumes[4].name
+          value: mavensettings
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[0].name
+          value: tmpdir
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[0].readOnly
+          value: false
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[1].name
+          value: scripts
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[1].mountPath
+          value: /scripts
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[1].readonly
+          value: true
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[2].name
+          value: mavenrepo
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[2].mountPath
+          value: /home/jenkins/.m2/repository
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[2].readonly
+          value: false
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].volumeMounts[4].name
+          value: mavensettings
+      - equal:
+          path: spec.jobTemplate.spec.template.spec.containers[0].env[0].name
+          value: MVN_LOCAL_REPO