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grafana: drop MESSAGE label after formatting log line
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Use | drop MESSAGE to remove the extracted JSON field from labels
while keeping stream labels like host visible.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Torjus Håkestad
2026-02-08 21:55:41 +01:00
parent c64d299daf
commit d281f7e9ad
1 changed files with 4 additions and 4 deletions
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8
services/grafana/dashboards/nixos-operations.json
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@@ -208,7 +208,7 @@
"datasource": {"type": "loki", "uid": "loki"},
"targets": [
{
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"Done. The new configuration is\" | json | line_format \"{{.MESSAGE}}\"",
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"Done. The new configuration is\" | json | line_format \"{{.MESSAGE}}\" | drop MESSAGE",
"refId": "A"
}
],
@@ -231,7 +231,7 @@
"datasource": {"type": "loki", "uid": "loki"},
"targets": [
{
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"building\" | json | line_format \"{{.MESSAGE}}\"",
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |= \"building\" | json | line_format \"{{.MESSAGE}}\" | drop MESSAGE",
"refId": "A"
}
],
@@ -254,7 +254,7 @@
"datasource": {"type": "loki", "uid": "loki"},
"targets": [
{
"expr": "{job=\"bootstrap\", host=~\"$host\"} | json | line_format \"{{.MESSAGE}}\"",
"expr": "{job=\"bootstrap\", host=~\"$host\"} | json | line_format \"{{.MESSAGE}}\" | drop MESSAGE",
"refId": "A"
}
],
@@ -277,7 +277,7 @@
"datasource": {"type": "loki", "uid": "loki"},
"targets": [
{
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |~ \"(?i)error|failed\" | json | line_format \"{{.MESSAGE}}\"",
"expr": "{systemd_unit=\"nixos-upgrade.service\", host=~\"$host\"} |~ \"(?i)error|failed\" | json | line_format \"{{.MESSAGE}}\" | drop MESSAGE",
"refId": "A"
}
],