postgress

charts/postgresssql/.helmignore

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+# 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/postgresssql/Chart.yaml

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+apiVersion: v2
+name: postgresql
+description: A Helm chart for Kubernetes
+
+type: application
+
+version: 0.1.0
+
+appVersion: "1.0.0"

charts/postgresssql/custom-values.yaml

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+ingress:
+  enabled: true

charts/postgresssql/templates/NOTES.txt

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+created by Khushi Malhotra

charts/postgresssql/templates/_helpers.tpl

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+{{/* 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" -}}
+app.kubernetes.io/name: {{ include "postgresql-helm.name" . }}
+{{- end }}
+
+{{/* Selector labels */}}
+{{- define "postgresql-helm.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "postgresql-helm.name" . }}
+{{- end }}
+

charts/postgresssql/templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "postgresql-helm.name" . }}-configmap
+data:
+  postgresql.conf: |-
+    listen_addresses = '*'
+    port = 5432
+  pg_hba.conf: |-
+    # TYPE  DATABASE        USER            ADDRESS                 METHOD
+    host    all             all             0.0.0.0/0               md5
+

charts/postgresssql/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "postgresql-helm.name" . }}-deployment
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "postgresql-helm.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "postgresql-helm.selectorLabels" . | nindent 8 }}
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 5432
+              protocol: TCP
+          env:
+            - name: POSTGRES_DB
+              value: {{ .Values.postgresql.database }}
+            - name: POSTGRES_USER
+              value: {{ .Values.postgresql.username }}
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "postgresql-helm.name" . }}-secret
+                  key: postgresql-password
+          volumeMounts:
+            - name: {{ include "postgresql-helm.name" . }}-configmap-volume
+              mountPath: /etc/postgresql/postgresql.conf
+              subPath: postgresql.conf
+            - name: {{ include "postgresql-helm.name" . }}-configmap-volume
+              mountPath: /etc/postgresql/pg_hba.conf
+              subPath: pg_hba.conf
+      volumes:
+        - name: {{ include "postgresql-helm.name" . }}-configmap-volume
+          configMap:
+            name: {{ include "postgresql-helm.name" . }}-configmap
+

charts/postgresssql/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2beta1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "postgresql-helm.name" . }}-hpa
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "postgresql-helm.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        targetAverageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        targetAverageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}
+

charts/postgresssql/templates/ingress.yaml

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+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "postgresql-helm.name" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
+{{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
+{{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
+{{- end }}
+{{- end }}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}-ingress
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ .secretName }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+            pathType: {{ .pathType }}
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
+{{- end }}
+

charts/postgresssql/templates/pvc.yaml

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+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "postgresql-helm.fullname" . }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+

charts/postgresssql/templates/secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "postgresql-helm.name" . }}-secret
+type: Opaque
+data:
+  postgresql-password: {{ .Values.postgresqlPassword }}
+

charts/postgresssql/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "postgresql-helm.fullname" . }}-svc
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+  selector:
+    {{- include "postgresql-helm.selectorLabels" . | nindent 4 }}
+  type: {{ .Values.service.type }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+

charts/postgresssql/templates/serviceaccount.yaml

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+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "postgresql-helm.fullname" . }}
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+{{- if .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml .Values.serviceAccount.annotations | nindent 4 }}
+{{- end }}
+

charts/postgresssql/templates/svc.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "postgresql-helm.name" . }}-svc
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+  selector:
+    {{- include "postgresql-helm.selectorLabels" . | nindent 4 }}
+  type: {{ .Values.service.type }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+

charts/postgresssql/templates/tests/test-connection.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ include "postgresql-helm.fullname" . }}-test-connection"
+  labels:
+    {{- include "postgresql-helm.labels" . | nindent 4 }}
+spec:
+  containers:
+  - name: {{ .Chart.Name }}-test-connection
+    image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+    command: ['sh', '-c', 'until pg_isready -h {{ include "postgresql-helm.fullname" . }} -U {{ .Values.postgresql.username }} -d {{ .Values.postgresql.database }}; do echo waiting for database; sleep 2; done;']
+  restartPolicy: Never
+

charts/postgresssql/values.yaml

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+replicaCount: 1
+
+image:
+  repository: postgres
+  pullPolicy: IfNotPresent
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: "11"
+
+imagePullSecrets: []
+nameOverride: ""
+
+podAnnotations: {}
+
+podSecurityContext: {}
+# fsGroup: 2000
+
+securityContext: {}
+# capabilities:
+#   drop:
+#   - ALL
+# readOnlyRootFilesystem: true
+# runAsNonRoot: true
+# runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 5432
+
+serviceAccount:
+  create: true
+  name: ""
+
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+  hosts:
+    - host: postgresql.example.com
+      paths:
+        - path: /
+          pathType: ImplementationSpecific
+  tls: []
+
+resources: {}
+# limits:
+#   cpu: 100m
+#   memory: 128Mi
+# requests:
+#   cpu: 100m
+#   memory: 128Mi
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 100
+  targetCPUUtilizationPercentage: 80
+  # targetMemoryUtilizationPercentage: 80
+
+
+persistence:
+  accessMode: ReadWriteOnce
+  size: 10Gi
+  storageClass: standard
+
+
+nodeSelector: {}
+
+tolerations: []
+
+affinity: {}
+
+postgresql:
+  database: mydatabase
+  username: myuser
+
+postgresqlPassword: cGFzc3dvcmQ=