75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
/*
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Copyright © 2019 Vineeth Pothulapati <vineethpothulapati@outlook.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package cmd
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import (
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"context"
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"fmt"
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"log"
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"github.com/spf13/cobra"
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postgresConstants "github.com/zalando/postgres-operator/pkg/apis/acid.zalan.do/v1"
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v1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
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apiextv1 "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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// checkCmd represent kubectl pg check.
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var checkCmd = &cobra.Command{
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Use: "check",
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Short: "Checks the Postgres operator is installed in the k8s cluster",
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Long: `Checks that the Postgres CRD is registered in a k8s cluster.
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This means that the operator pod was able to start normally.`,
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Run: func(cmd *cobra.Command, args []string) {
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check()
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},
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Example: `
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kubectl pg check
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`,
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}
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// check validates postgresql CRD registered or not.
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func check() *v1.CustomResourceDefinition {
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config := getConfig()
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apiExtClient, err := apiextv1.NewForConfig(config)
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if err != nil {
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log.Fatal(err)
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}
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crdInfo, err := apiExtClient.CustomResourceDefinitions().Get(context.TODO(), postgresConstants.PostgresCRDResouceName, metav1.GetOptions{})
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if err != nil {
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log.Fatal(err)
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}
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if crdInfo.Name == postgresConstants.PostgresCRDResouceName {
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fmt.Printf("Postgres Operator is installed in the k8s cluster.\n")
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} else {
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fmt.Printf("Postgres Operator is not installed in the k8s cluster.\n")
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}
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return crdInfo
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}
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func init() {
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rootCmd.AddCommand(checkCmd)
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}
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