Update Loki.md

lwindolf · Aug 7, 2024 · 785ef0f · 785ef0f
1 parent ccdae40
commit 785ef0f
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Cheat Sheets/kubernetes/Loki.md b/Cheat Sheets/kubernetes/Loki.md
@@ -12,3 +12,9 @@ Reduce log lines to exception names (without regex for Loki <2.4)
 
     {label="match"} |~ "Exception:" | json | line_format `{{ regexReplaceAll ".*\\s+(\\S*Exception):.*$" .message "${1}" }}`
 
+Extract a text part into a label for example exceptions:
+
+    {kubernetes_namespace_name="my-namespace-1"}
+    |= `Exception:`
+    | regexp "(?P<exception>\\w+Exception: [^\"]+)"
+    | label_format exception=`{{ .exception }}`