feat: add postgresql subchart (#133)

Author: mikhail-klimko

charts/postgresql/.helmignore

@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

charts/postgresql/Chart.yaml

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+apiVersion: v2
+name: postgresql
+description: PostgreSQL database Helm chart
+version: 0.1.0
+appVersion: "17"
+type: application
+keywords:
+  - postgresql
+  - database
+  - sql
+home: https://codefresh.io/
+maintainers:
+  - name: codefresh
+    url: https://codefresh-io.github.io/
+dependencies:
+  - name: cf-common
+    repository: oci://quay.io/codefresh/charts
+    version: "0.31.0"

charts/postgresql/templates/configmap.yaml

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+{{ $templateName := printf "cf-common-%s.configmaps" (index .Subcharts "cf-common").Chart.Version }}
+{{- include $templateName . -}}

charts/postgresql/templates/controller.yaml

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+{{ $templateName := printf "cf-common-%s.controller" (index .Subcharts "cf-common").Chart.Version }}
+{{- include $templateName . -}}

charts/postgresql/templates/secret.yaml

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+{{ $templateName := printf "cf-common-%s.secrets" (index .Subcharts "cf-common").Chart.Version }}
+{{- include $templateName . -}}

charts/postgresql/templates/service.yaml

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+{{ $templateName := printf "cf-common-%s.service" (index .Subcharts "cf-common").Chart.Version }}
+{{- include $templateName . -}}

charts/postgresql/values.yaml

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+fullnameOverride: postgresql
+
+auth:
+  username: postgres
+  password: password
+  database: ""
+
+config:
+  listen_addresses: "'*'"
+  port: 5432
+  shared_preload_libraries: "'pg_partman_bgw, pg_cron'"
+  pg_cron.database: "'postgres'"
+  pg_partman_bgw.dbname: "'postgres'"
+  pg_partman_bgw.interval: 3600
+
+global: {}
+
+controller:
+  enabled: true
+  type: statefulset
+  replicas: 1
+  podManagementPolicy: OrderedReady
+
+container:
+  image:
+    registry: quay.io
+    repository: codefresh/postgresql
+    tag: 17.6-featvanilla-postgresql
+    pullPolicy: IfNotPresent
+
+  args:
+    - "-c"
+    - "config_file=/etc/postgresql/postgresql.conf"
+
+  env:
+    PGDATA: /var/lib/postgresql/data/pgdata
+
+  probes:
+    liveness:
+      enabled: true
+      type: exec
+      exec:
+        command:
+          - pg_isready
+          - -U
+          - postgres
+      spec:
+        initialDelaySeconds: 30
+        periodSeconds: 20
+        timeoutSeconds: 10
+        successThreshold: 1
+        failureThreshold: 6
+    readiness:
+      enabled: true
+      type: exec
+      exec:
+        command:
+          - pg_isready
+          - -U
+          - postgres
+      spec:
+        initialDelaySeconds: 5
+        periodSeconds: 10
+        timeoutSeconds: 5
+        successThreshold: 1
+        failureThreshold: 6
+
+  resources:
+    requests:
+      cpu: 100m
+      memory: 256Mi
+    limits:
+      cpu: 500m
+      memory: 512Mi
+
+  volumeMounts:
+    config:
+      path:
+        - mountPath: /etc/postgresql/postgresql.conf
+          subPath: postgresql.conf
+
+volumeClaimTemplates:
+  data:
+    mountPath: /var/lib/postgresql/data
+    accessMode: ReadWriteOnce
+    size: 10Gi
+    storageClass:
+
+secrets:
+  secret:
+    enabled: true
+    stringData: |
+      POSTGRES_USER: "{{ .Values.auth.username }}"
+      POSTGRES_PASSWORD: "{{ required ".Values.auth.password is required" .Values.auth.password }}"
+      {{- if .Values.auth.database }}
+      POSTGRES_DB: "{{ .Values.auth.database }}"
+      {{- end }}
+
+configMaps:
+  config:
+    enabled: true
+    data:
+      postgresql.conf: |
+       {{- range $key, $value := .Values.config }}
+       {{ $key }} = {{ $value }}
+       {{- end }}
+
+
+volumes:
+  config:
+    enabled: true
+    type: configMap
+
+service:
+  main:
+    enabled: true
+    primary: true
+    type: ClusterIP
+    ports:
+      postgresql:
+        port: 5432
+        protocol: TCP
+
+podSecurityContext: {}
+nodeSelector: {}
+tolerations: []
+affinity: {}