Description
- Which image of the operator are you using? e.g. registry.opensource.zalan.do/acid/postgres-operator:v1.5.0
- Where do you run it - cloud or metal? Kubernetes or OpenShift? [ GCP GKE ]
- Are you running Postgres Operator in production? [ no ]
- Type of issue? [ Bug report ]
Hi,
I am trying to deploy my first database using your postgres-operator. I am creating a simple postgresql object with postgres_exporter as a sidecar for monitoring purposes.
kind: postgresql
metadata:
name: acid-minimal-cluster
spec:
teamId: "ACID"
volume:
size: 1Gi
numberOfInstances: 2
users:
# database owner
zalando:
- superuser
- createdb
databases:
foo: zalando
postgresql:
version: "10"
sidecars:
- name: postgres-exporter
image: wrouesnel/postgres_exporter
ports:
- containerPort: 9187
It comes from minimal example that can be found here: https://postgres-operator.readthedocs.io/en/refactoring-sidecars/user/
After applying this resource, a statefulset is created, but it has some values missing:
- name: POD_NAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
- name: POSTGRES_USER
value: postgres
- name: POSTGRES_PASSWORD
valueFrom:
secretKeyRef:
key: password
name: postgres.acid-minimal-cluster.credentials.postgresql.acid.zalan.do
image: wrouesnel/postgres_exporter
imagePullPolicy: IfNotPresent
name: postgres-exporter
ports:
- containerPort: 0
protocol: TCP
resources:
limits:
cpu: "1"
memory: 500Mi
requests:
cpu: 100m
memory: 100Mi
terminationMessagePath: /dev/termination-log
terminationMessagePolicy: File
volumeMounts:
- mountPath: /home/postgres/pgdata
name: pgdata
Same happens with variables, they are created as empty entries - {}
and I cannot get my sidecar working. As a result, the statefulset is failing to create pods:
Warning FailedCreate 38s (x17 over 6m6s) statefulset-controller create Pod acid-minimal-cluster-0 in StatefulSet acid-minimal-cluster failed error: Pod "acid-minimal-cluster-0" is invalid: spec.containers[1].ports[0].containerPort: Required value