- Are this the correct commands to backup the ETCD DB:
ETCDCTL_API=3 etcdctl help
ETCDCTL_API=3 etcdctl --endpoints https://127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key snapshot save /tmp/snapshot-pre-boot.db
- Are this the correct commands to Restore the ETCD DB:
ETCDCTL_API=3 etcdctl --endpoints=https://[127.0.0.1]:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt
–name=master
–cert=/etc/kubernetes/pki/etcd/server.crt --key=/etc/kubernetes/pki/etcd/server.key
–data-dir /var/lib/etcd-from-backup
–initial-cluster=master=https://127.0.0.1:2380
–initial-cluster-token=etcd-cluster-1
–initial-advertise-peer-urls=https://127.0.0.1:2380
snapshot restore /tmp/snapshot-pre-boot.db
-
Update ETCD manifest file with correct backup directory and token:
-
–data-dir=/var/lib/etcd-from-backup
-
–initial-cluster-token=etcd-cluster-1
-
Update ETCD manifest file with correct hostpath and volume:
volumeMounts:- mountPath: /var/lib/etcd-from-backup
name: etcd-data - mountPath: /etc/kubernetes/pki/etcd
name: etcd-certs
volumes:
- hostPath:
path: /var/lib/etcd-from-backup
type: DirectoryOrCreate
name: etcd-data - hostPath:
path: /etc/kubernetes/pki/etcd
type: DirectoryOrCreate
- mountPath: /var/lib/etcd-from-backup