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fluent-bit: human readable time in file output

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Erik Karlsson 2025-08-19 13:37:08 +02:00 • committed by Vivek Dutta
parent 869d482198
commit b713b68045
1 changed files with 27 additions and 0 deletions
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27
fluent-bit/patches/0002-file_out_time.patch Normal file
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@ -0,0 +1,27 @@
diff --git a/plugins/out_file/file.c b/plugins/out_file/file.c
index 77baf6be8..04c519d5a 100644
--- a/plugins/out_file/file.c
+++ b/plugins/out_file/file.c
@@ -238,10 +238,20 @@ static int template_output_write(struct flb_file_conf *ctx,
/*
* Right now we treat "{time}" specially and fill the placeholder
- * with the metadata timestamp (formatted as float).
+ * with the metadata timestamp.
*/
if (!strncmp(key, "time", size)) {
- fprintf(fp, "%f", flb_time_to_double(tm));
+ struct tm tm_local;
+ char buf[32];
+ if (localtime_r(&tm->tm.tv_sec, &tm_local) == NULL) {
+ flb_plg_error(ctx->ins, "localtime_r failed");
+ return -1;
+ }
+ if (strftime(buf, sizeof(buf), "%b %d %H:%M:%S", &tm_local) == 0) {
+ flb_plg_error(ctx->ins, "strftime failed");
+ return -1;
+ }
+ fputs(buf, fp);
return 0;
}