From e4d1bb539a8776f400aac7c0d538787b9aee6a39 Mon Sep 17 00:00:00 2001
From: Janne Mareike Koschinski <janne@kuschku.de>
Date: Sun, 26 Mar 2023 16:41:34 +0200
Subject: [PATCH] feat: add postgresql chart
---
.gitlab-ci.yml | 1 +
postgresql/Chart.yaml | 6 ++
postgresql/pipeline.yml | 21 ++++++
postgresql/templates/_helpers.tpl | 56 ++++++++++++++
postgresql/templates/configmap.yaml | 43 +++++++++++
postgresql/templates/secret.yaml | 21 ++++++
postgresql/templates/service.yaml | 15 ++++
postgresql/templates/statefulset.yaml | 101 ++++++++++++++++++++++++++
postgresql/values.yaml | 51 +++++++++++++
9 files changed, 315 insertions(+)
create mode 100644 postgresql/Chart.yaml
create mode 100644 postgresql/pipeline.yml
create mode 100644 postgresql/templates/_helpers.tpl
create mode 100644 postgresql/templates/configmap.yaml
create mode 100644 postgresql/templates/secret.yaml
create mode 100644 postgresql/templates/service.yaml
create mode 100644 postgresql/templates/statefulset.yaml
create mode 100644 postgresql/values.yaml
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b29408..51452b9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,6 +16,7 @@ include:
- /mastodon/pipeline.yml
- /oauth2-proxy/pipeline.yml
- /powerdns/pipeline.yml
+- /postgresql/pipeline.yml
- /quassel/pipeline.yml
- /restic/pipeline.yml
- /rtorrent/pipeline.yml
diff --git a/postgresql/Chart.yaml b/postgresql/Chart.yaml
new file mode 100644
index 0000000..6c3abdf
--- /dev/null
+++ b/postgresql/Chart.yaml
@@ -0,0 +1,6 @@
+apiVersion: v2
+name: postgresql
+description: Helm Chart for postgresql
+type: application
+version: 1.0.0
+appVersion: "14.7-alpine"
diff --git a/postgresql/pipeline.yml b/postgresql/pipeline.yml
new file mode 100644
index 0000000..dd418b0
--- /dev/null
+++ b/postgresql/pipeline.yml
@@ -0,0 +1,21 @@
+lint-postgresql:
+ stage: lint
+ rules:
+ - changes:
+ - postgresql/**/*
+ script:
+ - helm lint postgresql
+
+release-postgresql:
+ stage: release
+ needs:
+ - lint-postgresql
+ rules:
+ - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
+ changes:
+ - postgresql/**/*
+ script:
+ - apk add --no-cache git
+ - helm plugin install https://github.com/chartmuseum/helm-push.git
+ - helm repo add --username gitlab-ci-token --password $CI_JOB_TOKEN repo ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/stable
+ - helm cm-push postgresql repo
diff --git a/postgresql/templates/_helpers.tpl b/postgresql/templates/_helpers.tpl
new file mode 100644
index 0000000..22d8660
--- /dev/null
+++ b/postgresql/templates/_helpers.tpl
@@ -0,0 +1,56 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "postgresql-helm.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 "postgresql-helm.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 }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "postgresql-helm.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "postgresql-helm.labels" -}}
+helm.sh/chart: {{ include "postgresql-helm.chart" . }}
+{{ include "postgresql-helm.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "postgresql-helm.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "postgresql-helm.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+
+{{- define "postgresql-helm.sslPath" -}}
+/certs
+{{- end }}
diff --git a/postgresql/templates/configmap.yaml b/postgresql/templates/configmap.yaml
new file mode 100644
index 0000000..90f07cb
--- /dev/null
+++ b/postgresql/templates/configmap.yaml
@@ -0,0 +1,43 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+ name: {{ include "postgresql-helm.fullname" . }}
+ labels:
+ {{- include "postgresql-helm.labels" . | nindent 4 }}
+data:
+ performance.conf: |-
+ # DB Version: 12
+ # OS Type: linux
+ # DB Type: mixed
+ # Total Memory (RAM): 16 GB
+ # CPUs num: 8
+ # Connections num: 64
+ # Data Storage: ssd
+
+ max_connections = 128
+ shared_buffers = 4GB
+ effective_cache_size = 12GB
+ maintenance_work_mem = 1GB
+ checkpoint_completion_target = 0.9
+ wal_buffers = 16MB
+ default_statistics_target = 100
+ random_page_cost = 1.1
+ effective_io_concurrency = 200
+ work_mem = 8MB
+ min_wal_size = 1GB
+ max_wal_size = 4GB
+ max_worker_processes = 8
+ max_parallel_workers_per_gather = 4
+ max_parallel_workers = 8
+ max_parallel_maintenance_workers = 4
+ {{ if .Values.tls.enabled -}}
+ ssl.conf: |-
+ ssl = true
+ ssl_ciphers = 'AES256+EECDH:AES256+EDH:AES128+EECDH:AES128+EDH!aNULL'
+ ssl_ecdh_curve = 'secp384r1'
+ ssl_cert_file = '/certs/{{ .Values.tls.certFilename }}'
+ ssl_key_file = '/certs/{{ .Values.tls.certKeyFilename }}'
+ {{- end }}
+ stat.conf: |-
+ shared_preload_libraries = 'pg_stat_statements'
+ pg_stat_statements.track = all
diff --git a/postgresql/templates/secret.yaml b/postgresql/templates/secret.yaml
new file mode 100644
index 0000000..8902daa
--- /dev/null
+++ b/postgresql/templates/secret.yaml
@@ -0,0 +1,21 @@
+{{- $fullname := include "postgresql-helm.fullname" . -}}
+apiVersion: v1
+kind: Secret
+metadata:
+ name: {{ $fullname }}
+ annotations:
+ "helm.sh/resource-policy": "keep"
+ labels:
+ {{- include "postgresql-helm.labels" . | nindent 4 }}
+type: Opaque
+data:
+ {{ if empty .Values.postgresqlPassword }}
+ # retrieve the secret data using lookup function and when not exists, return an empty dictionary / map as result
+ {{- $secretObj := (lookup "v1" "Secret" .Release.Namespace $fullname) | default dict }}
+ {{- $secretData := (get $secretObj "data") | default dict }}
+ # set $secret to existing secret data or generate a random one when not exists
+ {{- $secretValue := (get $secretData $fullname) | default (randAlphaNum 48 | b64enc) }}
+ postgresql-password: {{ $secretValue | quote }}
+ {{ else }}
+ postgresql-password: "{{ .Values.postgresqlPassword }}"
+ {{ end }}
\ No newline at end of file
diff --git a/postgresql/templates/service.yaml b/postgresql/templates/service.yaml
new file mode 100644
index 0000000..fd32707
--- /dev/null
+++ b/postgresql/templates/service.yaml
@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+ name: {{ include "postgresql-helm.fullname" . }}
+ labels:
+ {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+ type: "ClusterIP"
+ ports:
+ - port: 5432
+ targetPort: sql
+ protocol: TCP
+ name: sql
+ selector:
+ {{- include "postgresql-helm.selectorLabels" . | nindent 4 }}
diff --git a/postgresql/templates/statefulset.yaml b/postgresql/templates/statefulset.yaml
new file mode 100644
index 0000000..94afc71
--- /dev/null
+++ b/postgresql/templates/statefulset.yaml
@@ -0,0 +1,101 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+ name: {{ include "postgresql-helm.fullname" . }}
+ labels:
+ {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+ replicas: {{ .Values.replicaCount }}
+ serviceName: {{ include "postgresql-helm.fullname" . }}
+ selector:
+ matchLabels:
+ {{- include "postgresql-helm.selectorLabels" . | nindent 6 }}
+ template:
+ metadata:
+ {{- with .Values.podAnnotations }}
+ annotations:
+ {{- toYaml . | nindent 8 }}
+ {{- end }}
+ labels:
+ {{- include "postgresql-helm.selectorLabels" . | nindent 8 }}
+ spec:
+ {{- with .Values.imagePullSecrets }}
+ imagePullSecrets:
+ {{- toYaml . | nindent 8 }}
+ {{- end }}
+ securityContext:
+ {{- toYaml .Values.podSecurityContext | nindent 8 }}
+ volumes:
+ {{ if .Values.tls.enabled -}}
+ - name: certs
+ secret:
+ secretName: {{ .Values.tls.certificatesSecret }}
+ {{- end }}
+ - configMap:
+ defaultMode: 420
+ name: {{ include "postgresql-helm.fullname" . }}
+ name: config
+ - name: data
+ {{- .Values.volume | nindent 10 }}
+ - emptyDir:
+ medium: Memory
+ name: shm
+ containers:
+ - name: postgresql
+ securityContext:
+ {{- toYaml .Values.securityContext | nindent 12 }}
+ image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+ imagePullPolicy: {{ .Values.image.pullPolicy }}
+ env:
+ - name: postgresql_PASSWORD
+ valueFrom:
+ secretKeyRef:
+ key: "postgresql-password"
+ name: {{ include "postgresql-helm.fullname" . }}
+ ports:
+ - name: sql
+ containerPort: 5432
+ protocol: TCP
+ startupProbe:
+ exec:
+ command:
+ - sh
+ - -c
+ - exec pg_isready --host localhost
+ livenessProbe:
+ exec:
+ command:
+ - sh
+ - -c
+ - exec pg_isready --host localhost
+ readinessProbe:
+ exec:
+ command:
+ - sh
+ - -c
+ - exec pg_isready --host localhost
+ resources:
+ {{- toYaml .Values.resources | nindent 12 }}
+ volumeMounts:
+ - mountPath: "/var/lib/postgresqlql/data"
+ name: data
+ - mountPath: "/configs"
+ name: config
+ - mountPath: "/dev/shm"
+ name: shm
+ {{ if .Values.tls.enabled -}}
+ - mountPath: "/certs"
+ name: certs
+ {{- end }}
+ {{- with .Values.nodeSelector }}
+ nodeSelector:
+ {{- toYaml . | nindent 8 }}
+ {{- end }}
+ {{- with .Values.affinity }}
+ affinity:
+ {{- toYaml . | nindent 8 }}
+ {{- end }}
+ {{- with .Values.tolerations }}
+ tolerations:
+ {{- toYaml . | nindent 8 }}
+ {{- end }}
diff --git a/postgresql/values.yaml b/postgresql/values.yaml
new file mode 100644
index 0000000..31a606d
--- /dev/null
+++ b/postgresql/values.yaml
@@ -0,0 +1,51 @@
+replicaCount: 1
+
+image:
+ repository: postgresql
+ pullPolicy: IfNotPresent
+ tag: ""
+
+imagePullSecrets: [ ]
+nameOverride: ""
+fullnameOverride: ""
+
+volume: |-
+ emptyDir: {}
+
+# if left empty, one will be auto-generated
+postgresqlPassword: ""
+
+tls:
+ enabled: false
+ certificatesSecret: ""
+ certFilename: "tls.crt"
+ certKeyFilename: "tls.key"
+
+securityContext:
+ capabilities:
+ drop:
+ - ALL
+ runAsNonRoot: true
+ runAsUser: 70
+ runAsGroup: 70
+
+resources: {}
+# limits:
+# cpu: 500m
+# memory: 2Gi
+# requests:
+# cpu: 200m
+# memory: 500Mi
+
+jobAnnotations: { }
+
+podAnnotations: { }
+
+podSecurityContext:
+ fsGroup: 70
+
+nodeSelector: { }
+
+tolerations: [ ]
+
+affinity: { }
--
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