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authormakefu <github@syntax-fehler.de>2019-11-25 08:48:14 +0100
committermakefu <github@syntax-fehler.de>2019-11-25 09:48:58 +0100
commitd48d88dab343088fb765adced8bbb862a81a8d14 (patch)
treeac5132d2bc754d656c676027b994f90d971432e2 /krebs/2configs/shack/prometheus/server.nix
parentaa341e428a489133061a3e898ed6a93a5c290b54 (diff)
ma shack/prometheus: import alerting-rules from mayflower
see: https://github.com/mayflower/nixexprs/blob/master/modules/monitoring/alert-rules.nix
Diffstat (limited to 'krebs/2configs/shack/prometheus/server.nix')
-rw-r--r--krebs/2configs/shack/prometheus/server.nix90
1 files changed, 6 insertions, 84 deletions
diff --git a/krebs/2configs/shack/prometheus/server.nix b/krebs/2configs/shack/prometheus/server.nix
index 7f6f38610..f5d2e7640 100644
--- a/krebs/2configs/shack/prometheus/server.nix
+++ b/krebs/2configs/shack/prometheus/server.nix
@@ -28,90 +28,12 @@
"-storage.local.index-cache-size.label-name-to-label-values 2097152"
"-storage.local.index-cache-size.label-pair-to-fingerprints 41943040"
];
- rules = [
- ''
- ALERT node_down
- IF up == 0
- FOR 5m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: Node is down.",
- description = "{{$labels.alias}} has been down for more than 5 minutes."
- }
- ALERT node_systemd_service_failed
- IF node_systemd_unit_state{state="failed"} == 1
- FOR 4m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.",
- description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}."
- }
- ALERT node_filesystem_full_90percent
- IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3
- FOR 5m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: Filesystem is running out of space soon.",
- description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem."
- }
- ALERT node_filesystem_full_in_4h
- IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0
- FOR 5m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.",
- description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours"
- }
- ALERT node_filedescriptors_full_in_3h
- IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum
- FOR 20m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.",
- description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours"
- }
- ALERT node_load1_90percent
- IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9
- FOR 1h
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: Running on high load.",
- description = "{{$labels.alias}} is running with > 90% total load for at least 1h."
- }
- ALERT node_cpu_util_90percent
- IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90
- FOR 1h
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary = "{{$labels.alias}}: High CPU utilization.",
- description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h."
- }
- ALERT node_ram_using_90percent
- IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1
- FOR 30m
- LABELS {
- severity="page"
- }
- ANNOTATIONS {
- summary="{{$labels.alias}}: Using lots of RAM.",
- description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.",
- }
- ''
- ];
+ ruleFiles = lib.singleton (pkgs.writeText "prometheus-rules.yml" (builtins.toJSON {
+ groups = lib.singleton {
+ name = "mf-alerting-rules";
+ rules = import ./alert-rules.nix { inherit lib; };
+ };
+ }));
scrapeConfigs = [
{
job_name = "node";