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naming.go
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naming.go
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// Copyright 2021 - 2022 Crunchy Data Solutions, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package util
const (
// Labels
// labelPrefix is the prefix common to all PostgresCluster object labels.
labelPrefix = "postgres-operator.crunchydata.com/"
// LabelCluster is used to label PostgresCluster objects.
LabelCluster = labelPrefix + "cluster"
// LabelData is used to identify Pods and Volumes store Postgres data.
LabelData = labelPrefix + "data"
// LabelRole is used to identify object roles.
LabelRole = labelPrefix + "role"
)
const (
// Data values
// DataPostgres is a LabelData value that indicates the object has PostgreSQL data.
DataPostgres = "postgres"
)
const (
// Role values
// RolePatroniLeader is the LabelRole that Patroni sets on the Pod that is
// currently the leader.
RolePatroniLeader = "master"
)
const (
// Container names
// ContainerDatabase is the name of the container running PostgreSQL and
// supporting tools: Patroni, pgBackRest, etc.
ContainerDatabase = "database"
)
// PrimaryInstanceLabels provides labels for a PostgreSQL cluster primary instance
func PrimaryInstanceLabels(clusterName string) string {
return LabelCluster + "=" + clusterName + "," +
LabelData + "=" + DataPostgres + "," +
LabelRole + "=" + RolePatroniLeader
}