Comments (1)
fmoral2
commented on June 30, 2024
Validated on Version:
-$ k3s version v1.28.11-rc3+k3s1 (617b0e84)
Environment Details
Infrastructure
Cloud EC2 instance
Node(s) CPU architecture, OS, and Version:
ubuntu
AMD
Cluster Configuration:
-3 node server
-1 node agents
Steps to validate the fix
- Install k3s etcd embedded
- Take etcd snapshot more than once at the same time
- validate error response
Reproduction Issue:
k3s -v
k3s version v1.27.15-rc1+k3s1 (102e42a5)
go version go1.21.11
k3s etcd-snapshot save & k3s etcd-snapshot save; sleep 5
WARN[0000] Unknown flag --write-kubeconfig-mode found in config.yaml, skipping
WARN[0000] Unknown flag --tls-san found in config.yaml, skipping
WARN[0000] Unknown flag --cluster-init found in config.yaml, skipping
WARN[0000] Unknown flag --protect-kernel-defaults found in config.yaml, skipping
WARN[0000] Unknown flag --selinux found in config.yaml, skipping
WARN[0000] Unknown flag --node-external-ip found in config.yaml, skipping
WARN[0000] Unknown flag --node-ip found in config.yaml, skipping
WARN[0000] Unknown flag --secrets-encryption found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-apiserver-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-controller-manager-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kube-controller-manager-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kubelet-arg found in config.yaml, skipping
WARN[0000] Unknown flag --kubelet-arg found in config.yaml, skipping
WARN[0000] Unknown flag --node-label found in config.yaml, skipping
WARN[0000] Unknown flag --node-label found in config.yaml, skipping
WARN[0000] Unknown flag --node-label found in config.yaml, skipping
FATA[0000] see server log for details: Internal error occurred: etcd-snapshot error ID 20267
INFO[0000] Snapshot on-demand-ip- .us-east-2.compute.internal-1719002637 saved.
[1]+ Done k3s etcd-snapshot save
$ journalctl -xeu k3s.service | grep "snapshot"
Jun 21 20:23:09 ip- k3s[13884]: time="2024-06-21T20:23:09Z" level=error msg="Failed to take etcd snapshot: could not rename /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip- .us-east-2.compute.internal-1719001390.part to /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip- us-east-2.compute.internal-1719001390 (rename /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip- us-east-2.compute.internal-1719001390.part /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip- .us-east-2.compute.internal-1719001390: no such file or directory)"
Jun 21 20:23:09 ip-172-31-1-64 k3s[13884]: I0621 20:23:09.912916 13884 event.go:307] "Event occurred" object="local-on-demand-ip- .us-east-2.compute.internal-1719001390-c93945" fieldPath="" kind="ETCDSnapshotFile" apiVersion="k3s.cattle.io/v1" type="Warning" reason="ETCDSnapshotFailed" message="Failed to save snapshot on-demand-ip- .us-east-2.compute.internal-1719001390 on ip-172-31-1-64.us-east-2.compute.internal: could not rename /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip-172-31-1-64.us-east-2.compute.internal-1719001390.part to /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip-172-31-1-64.us-east-2.compute.internal-1719001390 (rename /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip-172-31-1-64.us-east-2.compute.internal-1719001390.part /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip-172-31-1-64.us-east-2.compute.internal-1719001390: no such file or directory)"
Validation Results:
k3s etcd-snapshot save & k3s etcd-snapshot save; sleep 5
FATA[0000] see server log for details: Internal error occurred: etcd-snapshot error ID 11914
INFO[0000] Snapshot on-demand-ip- .us-east-2.compute.internal-1719001372 saved.
[1]+ Exit 1 k3s etcd-snapshot save
$ journalctl -xeu k3s.service | grep "snapshot"
Jun 21 20:20:01 ip- k3s[13083]: time="2024-06-21T20:20:01Z" level=info msg="Starting managed etcd snapshot ConfigMap controller"
Jun 21 20:20:02 ip-1 k3s[13083]: time="2024-06-21T20:20:02Z" level=info msg="Reconciling snapshot ConfigMap data"
Jun 21 20:22:52 ip- k3s[13083]: time="2024-06-21T20:22:52Z" level=info msg="Saving etcd snapshot to /var/lib/rancher/k3s/server/db/snapshots/on-demand-ip-1 us-east-2.compute.internal-1719001372"
Jun 21 20:22:52 ip- k3s[13083]: {"level":"info","ts":"2024-06-21T20:22:52.098617Z","logger":"etcd-client","caller":"snapshot/v3_snapshot.go:65","msg":"created temporary db file","path":"/var/lib/rancher/k3s/server/db/snapshots/on-demand-ip- us-east-2.compute.internal-1719001372.part"}
Jun 21 20:22:52 ip- k3s[13083]: {"level":"info","ts":"2024-06-21T20:22:52.101602Z","logger":"etcd-client.client","caller":"[email protected]/maintenance.go:212","msg":"opened snapshot stream; downloading"}
Jun 21 20:22:52 ip- k3s[13083]: {"level":"info","ts":"2024-06-21T20:22:52.101781Z","logger":"etcd-client","caller":"snapshot/v3_snapshot.go:73","msg":"fetching snapshot","endpoint":"https://127.0.0.1:2379"}
Jun 21 20:22:52 ip- k3s[13083]: {"level":"info","ts":"2024-06-21T20:22:52.111894Z","caller":"v3rpc/maintenance.go:126","msg":"sending database snapshot to client","total-bytes":5713920,"size":"5.7 MB"}
Jun 21 20:22:52 ip- k3s[13083]: time="2024-06-21T20:22:52Z" level=error msg="etcd-snapshot error ID 11914: snapshot save already in progress"
Jun 21 20:22:52 ip-172-31-7-229 k3s[13083]: time="2024-06-21T20:22:52Z" level=error msg="Sending HTTP 500 response to 127.0.0.1:50686: etcd-snapshot error ID 11914"
Jun 21 20:22:52 ip-172-31-7-229 k3s[13083]: {"level":"info","ts":"2024-06-21T20:22:52.160236Z","caller":"v3rpc/maintenance.go:175","msg":"successfully sent database snapshot to client","total-bytes":5713920,"size":"5.7 MB","took":"now"}
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Related Issues (20)
- Procedure for changing server one of a etcd cluster HOT 2
- Etcd bootstrap conflict HOT 1
- Issue with Embedded Registry Mirror Usage HOT 4
- Validate SUSE Liberty Linux 8.9
- Enhance install script to support Suse Liberty Linux HOT 1
- [v1.29.3+k3s1] Certificate rotation on k3s-agent fails to include sans addressing, causing api requests via kubectl to potentially fail if kube-vip is in use HOT 1
- Add etcd snapshot s3 config secret support
- Multiple simultaneous snapshots result in silent failure and/or corruption of at least one snapshot HOT 2
- [Release-1.29] - Multiple simultaneous snapshots result in silent failure and/or corruption of at least one snapshot HOT 1
- [Release-1.27] - Multiple simultaneous snapshots result in silent failure and/or corruption of at least one snapshot HOT 1
- kubectl logs selectively timing out based on the host CIDR range HOT 4
- v1.30.2-rc3 Images missing HOT 4
- rpm.rancher.io RHEL 9 packages missing/removed HOT 3
- k3s crashes completely with "Observed a panic: "integer divide by zero"" HOT 9
- Allow configuration of Rootlesskit's CopyUpDirs through an environment variable
- Embedded registry mirror pulling failed
- Snapshot option discrepancy with --etcd-snapshot-name
- Support for dynamic ports all the way up to 65535.
- How can I stop k3s apiserver listening {IP}:6443/static/charts directory? HOT 2
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