Source code for postgres operator walkthrough

Dockerfile

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+FROM centos
+COPY ./test.sh /test.sh
+RUN chmod +x /test.sh
+RUN curl -L https://github.com/CrunchyData/postgres-operator/releases/download/3.0/postgres-operator.3.0.tar.gz | tar xvz ./pgo ./conf/*
+RUN mv pgo /usr/local/bin
+
+CMD /test.sh

init.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: mypod
+  labels:
+    name: postgres-operator
+  namespace: demo
+spec:
+  containers:
+  - name: psql-container
+    image: postgres
+    command: ['sh', '-c', 'sleep 3600']
+    env:
+    - name: PGUSER
+      valueFrom:
+        secretKeyRef:
+          name: mycluster-postgres-secret
+          key: username
+    - name: PGPASSWORD
+      valueFrom:
+        secretKeyRef:
+          name: mycluster-postgres-secret
+          key: password
+  initContainers:
+  - name: init-pgo
+    image: quay.io/guineveresaenger/guinstest:latest
+    imagePullPolicy: Always
+    env:
+    - name: CO_APISERVER_URL
+      value: https://postgres-operator.demo.svc.cluster.local:8443
+    - name: PGOUSER
+      value: username
+    - name: PGO_CA_CERT
+      value: /conf/apiserver/server.crt
+    - name: PGO_CLIENT_CERT
+      value: /conf/apiserver/server.crt
+    - name: PGO_CLIENT_KEY
+      value: /conf/apiserver/server.key
+
+---
+
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: backup
+spec:
+  schedule: "*/5 * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: pgo-backup
+            image: quay.io/guineveresaenger/guinstest:latest
+            command: ['sh', '-c', 'echo username:password > ~/.pgouser && echo backing up: && pgo backup mycluster']
+            env:
+            - name: CO_APISERVER_URL
+              value: https://postgres-operator.demo.svc.cluster.local:8443
+            - name: PGOUSER
+              value: username
+            - name: PGO_CA_CERT
+              value: /conf/apiserver/server.crt
+            - name: PGO_CLIENT_CERT
+              value: /conf/apiserver/server.crt
+            - name: PGO_CLIENT_KEY
+              value: /conf/apiserver/server.key
+          restartPolicy: OnFailure
+

test.sh

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+#!/bin/sh
+echo Pgo lives in usr/local/bin:
+command -v pgo
+alias pgo=/usr/local/bin/pgo
+echo "username:password" > ~/.pgouser
+echo Pgo version:
+pgo version
+pgo create cluster mycluster
+echo Showing the cluster...
+pgo show cluster mycluster