Introducing subcommand cluster check-certificate-expiration
This command runs through the cluster and reports expirable entities Reference:- https://hackmd.io/aGaz7YXSSHybGcyol8vYEw Previous work:- https://review.opendev.org/#/c/755291/ Below is the complete ordered flow of PS for the feature: https://review.opendev.org/#/c/760498/ - Cobra command https://review.opendev.org/#/c/760501/ - Command Objects https://review.opendev.org/#/c/760504/ - TLS check https://review.opendev.org/#/c/760517/ - Kubeconf check https://review.opendev.org/#/c/760532/ - Node check https://review.opendev.org/#/c/760537/ - Combined Unit tests Change-Id: I7e20a6d3821877e16a5bc2cb8de3dd3c8b7850e2 Relates-To: #391
This commit is contained in:
guhaneswaran20
Guhan Eswaran
parent
c86bbeaed9
commit
260d6905a4
82
cmd/cluster/checkexpiration/checkexpiration.go
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82
cmd/cluster/checkexpiration/checkexpiration.go
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@ -0,0 +1,82 @@
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/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package checkexpiration
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import (
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"github.com/spf13/cobra"
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"opendev.org/airship/airshipctl/pkg/config"
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"opendev.org/airship/airshipctl/pkg/errors"
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"opendev.org/airship/airshipctl/pkg/log"
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)
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const (
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checkLong = `
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Displays a list of certificate expirations from both the management and
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workload clusters, or in a self-managed cluster. Checks for TLS Secrets,
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kubeconf secrets (which gets created while creating the workload cluster) and
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also the node certificates present inside /etc/kubernetes/pki directory for
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each node`
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checkExample = `
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# To display all the expiring entities in the cluster
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To display the entities whose expiration is within threshold of 30 days
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airshipctl cluster check-certificate-expiration -t 30 --kubeconfig testconfig
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# To output the contents to json (default operation)
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airshipctl cluster check-certificate-expiration -o json --kubeconfig testconfig
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or
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To output the contents to yaml
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airshipctl cluster check-certificate-expiration -o yaml --kubeconfig testconfig
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# To output the contents whose expiration is within 30 days to yaml
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airshipctl cluster check-certificate-expiration -t 30 -o yaml --kubeconfig testconfig
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`
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kubeconfigFlag = "kubeconfig"
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)
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// NewCheckCommand creates a new command for generating secret information
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func NewCheckCommand(cfgFactory config.Factory) *cobra.Command {
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var threshold int
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var contentType, kubeconfig string
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checkCmd := &cobra.Command{
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Use: "check-certificate-expiration",
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Short: "Check for expiring TLS certificates, secrets and kubeconfigs in the kubernetes cluster",
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Long: checkLong[1:],
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Example: checkExample,
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RunE: func(cmd *cobra.Command, args []string) error {
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return errors.ErrNotImplemented{What: "check certificate expiration"}
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},
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}
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checkCmd.Flags().IntVarP(&threshold, "threshold", "t", -1,
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"The max expiration threshold in days before a certificate is"+
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" expiring. Displays all the certificates by default")
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checkCmd.Flags().StringVarP(&contentType, "output", "o", "json", "Convert "+
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"output to yaml or json")
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checkCmd.Flags().StringVar(&kubeconfig, kubeconfigFlag, "",
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"Path to kubeconfig associated with cluster being managed")
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err := checkCmd.MarkFlagRequired(kubeconfigFlag)
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if err != nil {
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log.Fatalf("marking kubeconfig flag required failed: %v", err)
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}
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return checkCmd
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}
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36
cmd/cluster/checkexpiration/checkexpiration_test.go
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36
cmd/cluster/checkexpiration/checkexpiration_test.go
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/*
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package checkexpiration_test
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import (
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"testing"
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"opendev.org/airship/airshipctl/cmd/cluster/checkexpiration"
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"opendev.org/airship/airshipctl/testutil"
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)
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func TestCheckExpiration(t *testing.T) {
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cmdTests := []*testutil.CmdTest{
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{
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Name: "check-expiration-with-help",
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CmdLine: "--help",
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Cmd: checkexpiration.NewCheckCommand(nil),
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},
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}
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for _, tt := range cmdTests {
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testutil.RunTest(t, tt)
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}
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}
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@ -0,0 +1,34 @@
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Displays a list of certificate expirations from both the management and
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workload clusters, or in a self-managed cluster. Checks for TLS Secrets,
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kubeconf secrets (which gets created while creating the workload cluster) and
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also the node certificates present inside /etc/kubernetes/pki directory for
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each node
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Usage:
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check-certificate-expiration [flags]
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Examples:
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# To display all the expiring entities in the cluster
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To display the entities whose expiration is within threshold of 30 days
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airshipctl cluster check-certificate-expiration -t 30 --kubeconfig testconfig
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# To output the contents to json (default operation)
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airshipctl cluster check-certificate-expiration -o json --kubeconfig testconfig
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or
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To output the contents to yaml
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airshipctl cluster check-certificate-expiration -o yaml --kubeconfig testconfig
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# To output the contents whose expiration is within 30 days to yaml
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airshipctl cluster check-certificate-expiration -t 30 -o yaml --kubeconfig testconfig
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Flags:
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-h, --help help for check-certificate-expiration
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--kubeconfig string Path to kubeconfig associated with cluster being managed
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-o, --output string Convert output to yaml or json (default "json")
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-t, --threshold int The max expiration threshold in days before a certificate is expiring. Displays all the certificates by default (default -1)
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@ -17,6 +17,7 @@ package cluster
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import (
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"github.com/spf13/cobra"
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"opendev.org/airship/airshipctl/cmd/cluster/checkexpiration"
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"opendev.org/airship/airshipctl/cmd/cluster/resetsatoken"
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"opendev.org/airship/airshipctl/pkg/config"
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)
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@ -41,6 +42,7 @@ func NewClusterCommand(cfgFactory config.Factory) *cobra.Command {
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clusterRootCmd.AddCommand(NewMoveCommand(cfgFactory))
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clusterRootCmd.AddCommand(NewStatusCommand(cfgFactory))
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clusterRootCmd.AddCommand(resetsatoken.NewResetCommand(cfgFactory))
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clusterRootCmd.AddCommand(checkexpiration.NewCheckCommand(cfgFactory))
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return clusterRootCmd
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}
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@ -5,11 +5,12 @@ Usage:
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cluster [command]
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Available Commands:
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help Help about any command
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init Deploy cluster-api provider components
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move Move Cluster API objects, provider specific objects and all dependencies to the target cluster
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rotate-sa-token Rotate tokens of Service Accounts
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status Retrieve statuses of deployed cluster components
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check-certificate-expiration Check for expiring TLS certificates, secrets and kubeconfigs in the kubernetes cluster
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help Help about any command
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init Deploy cluster-api provider components
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move Move Cluster API objects, provider specific objects and all dependencies to the target cluster
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rotate-sa-token Rotate tokens of Service Accounts
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status Retrieve statuses of deployed cluster components
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Flags:
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-h, --help help for cluster
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@ -24,6 +24,7 @@ such as getting status and deploying initial infrastructure.
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### SEE ALSO
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* [airshipctl](airshipctl.md) - A unified entrypoint to various airship components
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* [airshipctl cluster check-certificate-expiration](airshipctl_cluster_check-certificate-expiration.md) - Check for expiring TLS certificates, secrets and kubeconfigs in the kubernetes cluster
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* [airshipctl cluster init](airshipctl_cluster_init.md) - Deploy cluster-api provider components
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* [airshipctl cluster move](airshipctl_cluster_move.md) - Move Cluster API objects, provider specific objects and all dependencies to the target cluster
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* [airshipctl cluster rotate-sa-token](airshipctl_cluster_rotate-sa-token.md) - Rotate tokens of Service Accounts
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@ -0,0 +1,59 @@
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## airshipctl cluster check-certificate-expiration
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Check for expiring TLS certificates, secrets and kubeconfigs in the kubernetes cluster
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### Synopsis
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Displays a list of certificate expirations from both the management and
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workload clusters, or in a self-managed cluster. Checks for TLS Secrets,
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kubeconf secrets (which gets created while creating the workload cluster) and
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also the node certificates present inside /etc/kubernetes/pki directory for
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each node
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```
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airshipctl cluster check-certificate-expiration [flags]
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```
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### Examples
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```
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# To display all the expiring entities in the cluster
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To display the entities whose expiration is within threshold of 30 days
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airshipctl cluster check-certificate-expiration -t 30 --kubeconfig testconfig
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# To output the contents to json (default operation)
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airshipctl cluster check-certificate-expiration -o json --kubeconfig testconfig
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or
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airshipctl cluster check-certificate-expiration --kubeconfig testconfig
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# To output the contents to yaml
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airshipctl cluster check-certificate-expiration -o yaml --kubeconfig testconfig
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# To output the contents whose expiration is within 30 days to yaml
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airshipctl cluster check-certificate-expiration -t 30 -o yaml --kubeconfig testconfig
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```
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### Options
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```
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-h, --help help for check-certificate-expiration
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--kubeconfig string Path to kubeconfig associated with cluster being managed
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-o, --output string Convert output to yaml or json (default "json")
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-t, --threshold int The max expiration threshold in days before a certificate is expiring. Displays all the certificates by default (default -1)
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```
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### Options inherited from parent commands
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```
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--airshipconf string Path to file for airshipctl configuration. (default "$HOME/.airship/config")
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--debug enable verbose output
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```
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### SEE ALSO
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* [airshipctl cluster](airshipctl_cluster.md) - Manage Kubernetes clusters
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