Bug 1817458
| Summary: | Node goes to degraded status when machine-config-daemon moves a file across filesystems | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Antonio Murdaca <amurdaca> |
| Component: | Machine Config Operator | Assignee: | Antonio Murdaca <amurdaca> |
| Status: | CLOSED ERRATA | QA Contact: | Michael Nguyen <mnguyen> |
| Severity: | urgent | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 4.4 | CC: | alukiano, amurdaca, dshchedr, grajaiya, kgarriso, mnguyen, wking |
| Target Milestone: | --- | ||
| Target Release: | 4.3.z | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1817455 | Environment: | |
| Last Closed: | 2020-05-20 13:47:53 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1817455 | ||
| Bug Blocks: | |||
|
Comment 1
W. Trevor King
2020-04-07 20:28:36 UTC
Verified on 4.3.0-0.nightly-2020-05-12-224733
$ oc get clusterversion
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.3.0-0.nightly-2020-05-12-224733 True False 24m Cluster version is 4.3.0-0.nightly-2020-05-12-224733
$ oc get mc | grep rendered-worker
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 64m
$ cat << EOF > file.yaml
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
labels:
machineconfiguration.openshift.io/role: worker
name: test-1
spec:
config:
ignition:
version: 2.2.0
storage:
files:
- contents:
source: data:;base64,dGVzdCBzdHJpbmcK
filesystem: root
mode: 0644
path: /etc/test
EOF
$ oc apply -f file.yaml
machineconfig.machineconfiguration.openshift.io/test-1 created
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
99-master-ssh 2.2.0 66m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
99-worker-ssh 2.2.0 66m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 65m
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s
test-1 2.2.0 10s
$ echo "rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s"
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-7aa2e43cfd629c043d31415f6043f436 False True False 3 0 0 0
$ watch oc get nodes
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-f16e588bda90b80462dda7bbd8c43a7b True False False 3 3 3 0
$ for i in $(oc get node -l node-role.kubernetes.io/worker -o name); do oc debug $i -- cat /host/etc/test; done
Starting pod/ip-10-0-132-187us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
Starting pod/ip-10-0-143-126us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
Starting pod/ip-10-0-145-238us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
$ cat << EOF > file2.yaml
> apiVersion: machineconfiguration.openshift.io/v1
> kind: MachineConfig
> metadata:
> labels:
> machineconfiguration.openshift.io/role: worker
> name: test-2
> spec:
> config:
> ignition:
> version: 2.2.0
> storage:
> files:
> - contents:
> source: data:;base64,dGVzdCBzdHJpbmcgMgo=
> filesystem: root
> mode: 0644
> path: /etc/test
> EOF
$ oc apply -f file2.yaml
machineconfig.machineconfiguration.openshift.io/test-2 created
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
99-master-ssh 2.2.0 73m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
99-worker-ssh 2.2.0 73m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 72m
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 6m49s
test-1 2.2.0 6m54s
test-2 2.2.0 10s
$ echo "rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s"
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 5s
$ watch oc get nodes
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-c05f53a919c7f98797187a6f20caf0a0 True False False 3 3 3 0
$ for i in $(oc get node -l node-role.kubernetes.io/worker -o name); do oc debug $i -- cat /host/etc/test; done
Starting pod/ip-10-0-132-187us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string 2
Removing debug pod ...
Starting pod/ip-10-0-143-126us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string 2
Removing debug pod ...
Starting pod/ip-10-0-145-238us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string 2
Removing debug pod ...
$ oc delete mc/test-2
machineconfig.machineconfiguration.openshift.io "test-2" deleted
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-master-ssh 2.2.0 79m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-worker-ssh 2.2.0 79m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 6m15s
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 12m
test-1 2.2.0 13m
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-master-ssh 2.2.0 79m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
99-worker-ssh 2.2.0 79m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 78m
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 6m26s
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 13m
test-1 2.2.0 13m
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-c05f53a919c7f98797187a6f20caf0a0 False True False 3 0 0 0
$ watch oc get node
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-f16e588bda90b80462dda7bbd8c43a7b True False False 3 3 3 0
$ for i in $(oc get node -l node-role.kubernetes.io/worker -o name); do oc debug $i -- cat /host/etc/test; done
Starting pod/ip-10-0-132-187us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
Starting pod/ip-10-0-143-126us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
Starting pod/ip-10-0-145-238us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
test string
Removing debug pod ...
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
99-master-ssh 2.2.0 91m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
99-worker-ssh 2.2.0 91m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 90m
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 18m
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 25m
test-1 2.2.0 25m
$ oc delete mc/test-1
machineconfig.machineconfiguration.openshift.io "test-1" deleted
$ oc get mc
NAME GENERATEDBYCONTROLLER IGNITIONVERSION CREATED
00-master 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
00-worker 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
01-master-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
01-master-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
01-worker-container-runtime 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
01-worker-kubelet 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
99-master-b9bb9be5-8dfc-4093-9f7f-0b0b6e94ccb3-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
99-master-ssh 2.2.0 92m
99-worker-b004156f-0ad3-4210-b9c9-6365a15cdcf6-registries 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
99-worker-ssh 2.2.0 92m
rendered-master-7e79f6f1b7d307d77046ea3c64e7e14b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
rendered-worker-7aa2e43cfd629c043d31415f6043f436 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 91m
rendered-worker-c05f53a919c7f98797187a6f20caf0a0 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 19m
rendered-worker-f16e588bda90b80462dda7bbd8c43a7b 860382c905f4358418c6513a9ab55fdd6dcc4f2d 2.2.0 25m
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-f16e588bda90b80462dda7bbd8c43a7b False True False 3 0 0 0
$ watch oc get nodes
$ oc get mcp/worker
NAME CONFIG UPDATED UPDATING DEGRADED MACHINECOUNT READYMACHINECOUNT UPDATEDMACHINECOUNT DEGRADEDMACHINECOUNT
worker rendered-worker-7aa2e43cfd629c043d31415f6043f436 True False False 3 3 3 0
$ for i in $(oc get node -l node-role.kubernetes.io/worker -o name); do oc debug $i -- cat /host/etc/test; done
Starting pod/ip-10-0-132-187us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
cat: /host/etc/test: No such file or directory
Removing debug pod ...
Starting pod/ip-10-0-143-126us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
cat: /host/etc/test: No such file or directory
Removing debug pod ...
Starting pod/ip-10-0-145-238us-west-1computeinternal-debug ...
To use host binaries, run `chroot /host`
cat: /host/etc/test: No such file or directory
Removing debug pod ...
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2129 |