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configs.monitoring: ignore network and autofs mounts in DiskAlmostFull
author
Hermes
committer
lassulus
date
(Oct 14, 2026, 12:28 PM CEST)
commit
99a78037
99a78037cd283404b580acd410bdc7d70d9ab44f
parent
e731cb83
e731cb835ff8310562d9a679739528c550a24458
+5
-1
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configs/monitoring/alerts.nix
+5
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configs/monitoring/alerts.nix
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(alert "HostDown" (lib.concatMapStringsSep " or " (
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host: ''absent_over_time(host_uptime{host="${host}"}[10m])''
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) alwaysOn) "0m" "{{ $labels.host }} sent no metrics for 10 minutes")
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(alert "DiskAlmostFull" "host_filesystem_used_ratio > 0.9" "15m"
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# Network mounts (and their autofs placeholders) are reported by
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# every machine that mounts them; the agent drops tmpfs & co.
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(alert "DiskAlmostFull"
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''host_filesystem_used_ratio{filesystem!~"cifs|smb3|nfs|nfs4|autofs|fuse.sshfs"} > 0.9''
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"15m"
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"{{ $labels.host }}: {{ $labels.mountpoint }} is {{ $value | humanizePercentage }} full"
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)
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(alert "HighMemory" "1 - host_memory_available_bytes / host_memory_total_bytes > 0.95" "15m"