Bug 1892448
| Summary: | MCDPivotError alert/metric missing | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Kirsten Garrison <kgarriso> |
| Component: | Machine Config Operator | Assignee: | Kirsten Garrison <kgarriso> |
| Status: | CLOSED ERRATA | QA Contact: | Michael Nguyen <mnguyen> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 4.6 | CC: | jerzhang, skumari |
| Target Milestone: | --- | ||
| Target Release: | 4.7.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | No Doc Update | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-02-24 15:28:37 UTC | Type: | Bug |
| 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: | |||
| Bug Blocks: | 1893409 | ||
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 (Moderate: OpenShift Container Platform 4.7.0 security, bug fix, and enhancement update), 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/RHSA-2020:5633 |
Verified on 4.7.0-0.nightly-2020-11-18-125028. To introduce a MCDPivotError, create a bastion so you can SSH to one of the nodes. Then run this script to delete the ostree extracted from the machine-os-content. while true; do rm -rf /run/mco-machine-os-content/os-content*/srv/repo; sleep 1; done Run an upgrade where the OS will be upgraded. Run `oc -n openshift-monitoring get routes` to get the Prometheus web login. Login and click 'Alerts'. Verify that there is an active alert for MCDPivotError. -------------------- MCDPivotError (1 active) alert: MCDPivotError expr: mcd_pivot_err > 0 labels: severity: warning annotations: message: 'Error detected in pivot logs on {{ $labels.node }} ' Labels State Active Since Value alertname="MCDPivotError" container="oauth-proxy" endpoint="metrics" err="failed to update OS to quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:119e7a1d4f52c626e893cf3623bb0f7499613b207066dfdb6afb8b4a5a1f834a : with stdout output: : error running rpm-ostree rebase --experimental /run/mco-machine-os-content/os-content-286336622/srv/repo:eec52ee9a0a6d9917e68bdda14c92eceea96ed27966d32236fce47cd595245d5 --custom-origin-url pivot://quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:119e7a1d4f52c626e893cf3623bb0f7499613b207066dfdb6afb8b4a5a1f834a --custom-origin-description Managed by machine-config-operator: error: opendir(/run/mco-machine-os-content/os-content-286336622/srv/repo): No such file or directory : exit status 1" instance="10.0.156.42:9001" job="machine-config-daemon" namespace="openshift-machine-config-operator" node="ip-10-0-156-42.us-west-2.compute.internal" pivot_target="quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:119e7a1d4f52c626e893cf3623bb0f7499613b207066dfdb6afb8b4a5a1f834a" pod="machine-config-daemon-r76n5" service="machine-config-daemon" severity="warning" firing 2020-11-20 00:52:32.044526034 +0000 UTC 1.605833515369452e+09