Correcting etcd backup command for hosted cluster

The command is referencing the wrong CA cert /etc/etcd/tls/client/etcd-client.crt which doesn't exist in the pods and hence the execution fails. The actual CA cert to be used with etcdctl command is /etc/etcd/tls/etcd-ca/ca.crt.

Author: alokstech

modules/backup-etcd-hosted-cluster.adoc

@@ -33,7 +33,7 @@ $ oc scale deployment -n <hosted_cluster_namespace> --replicas=0 kube-apiserver
 +
 [source,terminal]
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-$ oc exec -it <etcd_pod_name> -n <hosted_cluster_namespace> -- env ETCDCTL_API=3 /usr/bin/etcdctl --cacert /etc/etcd/tls/client/etcd-client-ca.crt --cert /etc/etcd/tls/client/etcd-client.crt --key /etc/etcd/tls/client/etcd-client.key --endpoints=localhost:2379 snapshot save /var/lib/data/snapshot.db
+$ oc exec -it <etcd_pod_name> -n <hosted_cluster_namespace> -- env ETCDCTL_API=3 /usr/bin/etcdctl --cacert /etc/etcd/tls/etcd-ca/ca.crt --cert /etc/etcd/tls/client/etcd-client.crt --key /etc/etcd/tls/client/etcd-client.key --endpoints=localhost:2379 snapshot save /var/lib/data/snapshot.db
 ----
 
 . To check the snapshot status, use the `exec` command in each etcd container by running the following command: