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author | Oliver Charles <ollie@ocharles.org.uk> | 2017-11-17 10:15:37 +0000 |
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committer | Oliver Charles <ollie@ocharles.org.uk> | 2017-11-17 10:15:37 +0000 |
commit | f0334c03363ae5a43028383ee7cb95edba40e239 (patch) | |
tree | fb8e4963020b8c835a6530c971e6bce7039120f6 /nixos | |
parent | 9e44d34be28a270fd68161e96e335f4d6e2ba6fc (diff) | |
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nixos/prometheus: add scrape_configs.honor_labels
Diffstat (limited to 'nixos')
-rw-r--r-- | nixos/modules/services/monitoring/prometheus/default.nix | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix index c12b5f35dea3..2b7f88a538c1 100644 --- a/nixos/modules/services/monitoring/prometheus/default.nix +++ b/nixos/modules/services/monitoring/prometheus/default.nix @@ -100,6 +100,29 @@ let The HTTP resource path on which to fetch metrics from targets. ''; }; + honor_labels = mkOption { + type = types.bool; + default = false; + description = '' + Controls how Prometheus handles conflicts between labels + that are already present in scraped data and labels that + Prometheus would attach server-side ("job" and "instance" + labels, manually configured target labels, and labels + generated by service discovery implementations). + + If honor_labels is set to "true", label conflicts are + resolved by keeping label values from the scraped data and + ignoring the conflicting server-side labels. + + If honor_labels is set to "false", label conflicts are + resolved by renaming conflicting labels in the scraped data + to "exported_<original-label>" (for example + "exported_instance", "exported_job") and then attaching + server-side labels. This is useful for use cases such as + federation, where all labels specified in the target should + be preserved. + ''; + }; scheme = mkOption { type = types.enum ["http" "https"]; default = "http"; |