diff options
Diffstat (limited to 'krebs/2configs/shack/prometheus/alert-rules.nix')
| -rw-r--r-- | krebs/2configs/shack/prometheus/alert-rules.nix | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/krebs/2configs/shack/prometheus/alert-rules.nix b/krebs/2configs/shack/prometheus/alert-rules.nix index 5ba49ede..4cefdc3e 100644 --- a/krebs/2configs/shack/prometheus/alert-rules.nix +++ b/krebs/2configs/shack/prometheus/alert-rules.nix @@ -1,6 +1,6 @@ { lib,... }: let - disk_free_threshold = "10"; # at least this much free disk percentage + disk_free_threshold = "5"; # at least this much free disk percentage in { services.prometheus.rules = [(builtins.toJSON { @@ -8,22 +8,6 @@ in { { name = "shack-env"; rules = [ { - alert = "Wolf RootPartitionFull"; - for = "30m"; - expr = ''(node_filesystem_avail_bytes{alias="wolf.shack",mountpoint="/"} * 100) / node_filesystem_size_bytes{alias="wolf.shack",mountpoint="/"} < ${disk_free_threshold}''; - labels.severity = "warning"; - annotations.summary = "{{ $labels.alias }} root disk full"; - annotations.url = "http://grafana.shack/d/hb7fSE0Zz/shack-system-dashboard?orgId=1&var-job=node&var-hostname=All&var-node=wolf.shack:9100&var-device=All&var-maxmount=%2F&var-show_hostname=wolf"; - annotations.description = ''The root disk of {{ $labels.alias }} has {{ $value | printf "%.2f" }}% free disk space (Threshold at ${disk_free_threshold}%). CI for deploying new configuration will seize working. Log in to the system and try to clean up the obsolete files on the machine. There are a couple of things you can do: -1. `nix-collect-garbage -d` -2. clean up the shack share folder in `/home/share` -3. check `du -hs /var/ | sort -h`. -4. run `docker system prune` -5. `find /var/lib/containers/news/var/lib/htgen-go/items -mtime +7 -delete;` to clean up the link shortener data -5. If you are really desperate run `du -hs / | sort -h` and go through the folders recursively until you've found something to delete -6. as a last resort the root disk can be expanded via `lvresize -L +10G /dev/pool/root && btrfs filesystem resize max /` ''; - } - { alert = "Puyak RootPartitionFull"; for = "30m"; expr = ''(node_filesystem_avail_bytes{alias="puyak.shack",mountpoint="/"} * 100) / node_filesystem_size_bytes{alias="puyak.shack",mountpoint="/"} < ${disk_free_threshold}''; @@ -32,9 +16,8 @@ in { annotations.url = "http://grafana.shack/d/hb7fSE0Zz/shack-system-dashboard?orgId=1&var-job=node&var-hostname=All&var-node=wolf.shack:9100&var-device=All&var-maxmount=%2F&var-show_hostname=puyak"; annotations.description = ''The root disk of {{ $labels.alias }} has {{ $value | printf "%.2f" }}% free disk space (Threshold at ${disk_free_threshold}%).Prometheus will not be able to create new alerts and CI for deploying new configuration will also seize working. Log in to the system and run `nix-collect-garbage -d` and if this does not help you can check `du -hs /var/ | sort -h`, run `docker system prune` or if you are really desperate run `du -hs / | sort -h` and go through the folders recursively until you've found something to delete''; } - # wolf.shack is not worth supervising anymore { - alert = "HostDown"; + alert = "Infra01 down"; expr = ''up{alias="infra01.shack"} == 0''; for = "5m"; labels.severity = "page"; |