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Merge pull request #1608 from dduportal/feat/maven-cacher
feat: init the maven-cacher chart
2 parents fceba6c + 39fc1f2 commit f8b96ea

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‎charts/maven-cacher/Chart.yaml‎

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

‎charts/maven-cacher/templates/_helpers.tpl‎

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

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

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

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

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

‎charts/maven-cacher/templates/cronjob.yaml‎

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

‎charts/maven-cacher/tests/custom_values_test.yaml‎

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

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