Add new alerts#48
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This script checks for failed Kubernetes jobs due to BackoffLimitExceeded or DeadlineExceeded events and outputs the status for CheckMK.
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Pull request overview
This PR adds a new CheckMK local check script intended to detect failed Velero backups by querying Kubernetes for Velero Backup resources and emitting local-check results.
Changes:
- Added a new executable local check
lakehouse/velero_failed_backupsthat runskubectl get backups -A -o json. - Emits CRIT results for backups in
Failed/PartiallyFailedphase, including basic perfdata (errors/warnings) and timestamps. - Emits UNKNOWN output on kubectl timeout/command errors/JSON parse errors.
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kkellerlbl
approved these changes
Jul 1, 2026
Contributor
Author
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That is a good idea about the backup date. We can do that in a new PR. For this PR, I think we should somehow trigger these to fail to see if the checkmk checks are actually working though. Were you able to do that? |
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| if [ -n "$cmd" ]; then | ||
| echo "2 \"MicroK8s Certs\" - Refresh microk8s cert with \`$cmd" | ||
| else |
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| if (line=="CA") { print "microk8s refresh-certs -e ca.crt` - this will TERMINATE all running workloads"; next } | ||
| c=tolower(line); gsub(/ /,"-",c) | ||
| print "microk8s refresh-certs -e " c ".crt`" |
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| import json | ||
| import subprocess | ||
| import sys |
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| KUBECTL = "microk8s kubectl" | ||
| FAILURE_REASONS = {"BackoffLimitExceeded", "DeadlineExceeded"} | ||
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| def get_events() -> list[dict]: | ||
| try: | ||
| result = subprocess.run( | ||
| f"{KUBECTL} get events -A -o json", | ||
| shell=True, | ||
| capture_output=True, | ||
| text=True, | ||
| timeout=30, | ||
| ) |
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| import json | ||
| import subprocess | ||
| import sys |
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