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Merge pull request #2 from movetokube/feat/operatorhub
Feat/operatorhub
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‎README.md‎

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# PostgreSQL operator for Kubernetes
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# External PostgreSQL server operator for Kubernetes
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## Features
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* creates a database

‎deploy/dev/postgres.yaml‎

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kind: Service
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metadata:
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name: postgres
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namespace: databases
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spec:
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selector:
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app: postgres
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kind: ConfigMap
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metadata:
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name: postgres-config
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namespace: databases
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labels:
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app: postgres
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data:
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kind: Deployment
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metadata:
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name: postgres
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namespace: databases
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spec:
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replicas: 1
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template:

‎deploy/olm-catalog/ext-postgres-operator/0.2.0/ext-postgres-operator.crd.yaml‎

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apiVersion: apiextensions.k8s.io/v1beta1
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kind: CustomResourceDefinition
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metadata:
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name: postgres.db.movetokube.com
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spec:
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group: db.movetokube.com
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names:
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kind: Postgres
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listKind: PostgresList
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plural: postgres
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singular: postgres
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scope: Namespaced
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validation:
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openAPIV3Schema:
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properties:
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apiVersion:
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description: 'APIVersion defines the versioned schema of this representation
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of an object. Servers should convert recognized schemas to the latest
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internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#resources'
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type: string
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kind:
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description: 'Kind is a string value representing the REST resource this
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object represents. Servers may infer this from the endpoint the client
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submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds'
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type: string
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metadata:
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type: object
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spec:
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type: object
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status:
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type: object
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version: v1alpha1
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versions:
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- name: v1alpha1
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served: true
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storage: true

‎deploy/olm-catalog/ext-postgres-operator/0.2.0/ext-postgres-operator.package.yaml‎

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packageName: ext-postgres-operator
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channels:
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- name: stable
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currentCSV: ext-postgres-operator.v0.2.0

‎deploy/olm-catalog/ext-postgres-operator/0.2.0/ext-postgres-operator.v0.2.0.clusterserviceversion.yaml‎

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apiVersion: operators.coreos.com/v1alpha1
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kind: ClusterServiceVersion
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metadata:
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annotations:
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alm-examples: '[{"apiVersion":"db.movetokube.com/v1alpha1","kind":"Postgres","metadata":{"name":"my-db","namespace":"app"},"spec":{"database":"test-db","secretName":"my-secret"}}]'
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capabilities: Basic Install
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containerImage: movetokube/postgres-operator
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description: Manage databases and roles in external PostgreSQL server or cluster
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repository: https://github.com/movetokube/postgres-operator
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name: ext-postgres-operator.v0.2.0
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namespace: placeholder
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spec:
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apiservicedefinitions: {}
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customresourcedefinitions:
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owned:
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- description: Represents a resource for managing PostgreSQL database associated
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role
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displayName: postgres.db.movetokube.com
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kind: Postgres
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name: postgres.db.movetokube.com
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version: v1alpha1
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description: |-
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ext-postgres-operator is an external PostgreSQL database operator. This is a very light-weight basic operator which
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does not provide a PostgreSQL server, but rather manages databases inside an existing PostgreSQL database server (or cluster).
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### Features
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This operator enables you to create roles and databases easily by defining simple Custom Resources. Operator's
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features are as follows:
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* Creates a database
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* Creates a role which has admin access to the database
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* Creates a secret role, password and postgres uri
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* on CR deletion, reassigns all objects owned by role to **postgres** role, removes role and secret
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### Installation
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This operator requires a Kubernetes Secret to be created in the **same namespace** as operator itself. Secret should
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contain these keys: POSTGRES\_HOST, POSTGRES\_USER, POSTGRES\_PASS, POSTGRES\_URI\_ARGS.
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Example
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```yaml
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apiVersion: v1
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kind: Secret
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metadata:
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name: ext-postgres-operator
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namespace: operators
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type: Opaque
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data:
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POSTGRES_HOST: postgres
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POSTGRES_USER: postgres
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POSTGRES_PASS: admin
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POSTGRES_URI_ARGS:
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```
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### Custom Resources
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Custom Resource is very simple for this operator, it only supports two keys in specification, which are defined below
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* `spec.database` - name of PostgreSQL database that should be created (if it does not exist)
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* `spec.secretName` - name of the secret that will contain `ROLE`, `PASSWORD` and `POSTGRES_URL`. The final secret
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name will be format: **spec.secretName**-**CR.metadata.name**
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displayName: Ext Postgres Operator
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install:
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spec:
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clusterPermissions:
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- rules:
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- apiGroups:
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- ""
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resources:
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- pods
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- services
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- endpoints
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- persistentvolumeclaims
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- events
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- configmaps
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- secrets
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verbs:
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- '*'
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- apiGroups:
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- apps
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resources:
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- deployments
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- daemonsets
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- replicasets
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- statefulsets
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verbs:
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- '*'
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- apiGroups:
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- monitoring.coreos.com
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resources:
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- servicemonitors
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verbs:
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- get
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- create
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- apiGroups:
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- apps
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resourceNames:
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- postgres-operator
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resources:
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- deployments/finalizers
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verbs:
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- update
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- apiGroups:
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- db.movetokube.com
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resources:
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- '*'
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verbs:
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- '*'
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serviceAccountName: ext-postgres-operator
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deployments:
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- name: ext-postgres-operator
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spec:
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replicas: 1
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selector:
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matchLabels:
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name: ext-postgres-operator
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strategy: {}
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template:
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metadata:
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labels:
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name: ext-postgres-operator
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spec:
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containers:
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- command:
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- postgres-operator
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env:
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- name: WATCH_NAMESPACE
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- name: POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: OPERATOR_NAME
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value: ext-postgres-operator
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- name: POSTGRES_HOST
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valueFrom:
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secretKeyRef:
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key: POSTGRES_HOST
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name: ext-postgres-operator
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- name: POSTGRES_USER
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valueFrom:
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secretKeyRef:
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key: POSTGRES_USER
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name: ext-postgres-operator
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- name: POSTGRES_PASS
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valueFrom:
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secretKeyRef:
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key: POSTGRES_PASS
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name: ext-postgres-operator
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- name: POSTGRES_URI_ARGS
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valueFrom:
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secretKeyRef:
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key: POSTGRES_URI_ARGS
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name: ext-postgres-operator
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image: movetokube/postgres-operator:0.2
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imagePullPolicy: Always
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name: ext-postgres-operator
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resources: {}
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serviceAccountName: ext-postgres-operator
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strategy: deployment
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installModes:
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- supported: true
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type: OwnNamespace
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- supported: true
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type: SingleNamespace
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- supported: false
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type: MultiNamespace
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- supported: true
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type: AllNamespaces
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keywords:
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- postgres-operator
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- postgres
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- postgresql
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- kubernetes
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- database
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labels:
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name: ext-postgres-operator
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links:
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- name: movetokube.com
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url: https://movetokube.com
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maintainers:
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- email: tomas@movetokube.com
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name: Tomas Adomavicius
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maturity: alpha
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provider:
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name: movetokube.com
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version: 0.2.0

‎deploy/operator.yaml‎

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: postgres-operator
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name: ext-postgres-operator
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namespace: operators
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spec:
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replicas: 1
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selector:
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matchLabels:
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name: postgres-operator
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name: ext-postgres-operator
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template:
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metadata:
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labels:
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name: postgres-operator
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name: ext-postgres-operator
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spec:
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serviceAccountName: postgres-operator
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serviceAccountName: ext-postgres-operator
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containers:
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- name: postgres-operator
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# Replace this with the built image name
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- name: ext-postgres-operator
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image: movetokube/postgres-operator:0.2
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command:
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- postgres-operator
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fieldRef:
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fieldPath: metadata.name
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- name: OPERATOR_NAME
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value: "postgres-operator"
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- name: POSTGRES_URL
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value: "postgresql://postgres:admin123@postgres:5432?sslmode=disable"
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value: "ext-postgres-operator"
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- name: POSTGRES_HOST
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value: "postgres:5432"
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valueFrom:
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secretKeyRef:
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name: ext-postgres-operator
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key: POSTGRES_HOST
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- name: POSTGRES_USER
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valueFrom:
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secretKeyRef:
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name: ext-postgres-operator
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key: POSTGRES_USER
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- name: POSTGRES_PASS
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valueFrom:
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secretKeyRef:
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name: ext-postgres-operator
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key: POSTGRES_PASS
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- name: POSTGRES_URI_ARGS
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valueFrom:
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secretKeyRef:
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name: ext-postgres-operator
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key: POSTGRES_URI_ARGS

‎deploy/role.yaml‎

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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRole
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metadata:
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creationTimestamp: null
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name: postgres-operator
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name: ext-postgres-operator
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rules:
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- apiGroups:
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- ""
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- statefulsets
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verbs:
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- '*'
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- apiGroups:
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- monitoring.coreos.com
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resources:
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- servicemonitors
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verbs:
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- get
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- create
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- apiGroups:
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- apps
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resourceNames:
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- postgres-operator
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- ext-postgres-operator
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resources:
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- deployments/finalizers
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verbs:

‎deploy/role_binding.yaml‎

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kind: ClusterRoleBinding
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apiVersion: rbac.authorization.k8s.io/v1
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metadata:
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name: postgres-operator
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name: ext-postgres-operator
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subjects:
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- kind: ServiceAccount
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name: postgres-operator
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name: ext-postgres-operator
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namespace: operators
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roleRef:
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kind: ClusterRole
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name: postgres-operator
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name: ext-postgres-operator
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apiGroup: rbac.authorization.k8s.io

‎deploy/secret.yaml‎

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apiVersion: v1
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kind: Secret
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metadata:
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name: ext-postgres-operator
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namespace: operators
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type: Opaque
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data:
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POSTGRES_HOST: cG9zdGdyZXMuZGF0YWJhc2Vz
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POSTGRES_USER: cG9zdGdyZXM=
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POSTGRES_PASS: YWRtaW4xMjM=
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POSTGRES_URI_ARGS: c3NsbW9kZT1kaXNhYmxl

‎deploy/service_account.yaml‎

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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: postgres-operator
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name: ext-postgres-operator
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namespace: operators

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