问题
There's a kubernetes cluster that was created by kops
and when running kops validate this is the output:
INSTANCE GROUPS
NAME ROLE MACHINETYPE MIN MAX SUBNETS
master-us-east-1a Master m4.xlarge 1 1 us-east-1a
nodes Node c4.2xlarge 1 75 us-east-1a
NODE STATUS
NAME ROLE READY
ip-172-20-59-93.ec2.internal master False
VALIDATION ERRORS
KIND NAME MESSAGE
Machine i-0a44bbdd18c86e846 machine "i-0a44bbdd18c86e846" has not yet joined cluster
Machine i-0d3302056f3dfeef0 machine "i-0d3302056f3dfeef0" has not yet joined cluster
Machine i-0d6199876b91962f4 machine "i-0d6199876b91962f4" has not yet joined cluster
Node ip-172-20-59-93.ec2.internal master "ip-172-20-59-93.ec2.internal" is not ready
Validation Failed
How I can recover this cluster? The s3 files for this cluster are available.
The etcd volumes show status as "in-use"
回答1:
kops stores the state of your cluster in S3.
- Find the bucket where the state is stored
- Set
export KOPS_STATE_STORE=s3://your-k8s-state-store - Run
kops update cluster - If that fails.
- Terminate all your instances related to the cluster
- Run
kops create cluster
Note that the internal state of your cluster is not in S3 but in etcd. The answer here has more details about this topic and also how to backup/restore etcd: How to restore kubernetes cluster using kops?
来源：https://stackoverflow.com/questions/52778698/recover-kops-kubernetes-cluster