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-rw-r--r--nixos/modules/services/monitoring/prometheus/default.nix12
1 files changed, 5 insertions, 7 deletions
diff --git a/nixos/modules/services/monitoring/prometheus/default.nix b/nixos/modules/services/monitoring/prometheus/default.nix
index 8fe689ef3db..3be247ffb24 100644
--- a/nixos/modules/services/monitoring/prometheus/default.nix
+++ b/nixos/modules/services/monitoring/prometheus/default.nix
@@ -323,15 +323,13 @@ let
               HTTP username
             '';
           };
-          password = mkOption {
-            type = types.str;
-            description = ''
-              HTTP password
-            '';
-          };
+          password = mkOpt types.str "HTTP password";
+          password_file = mkOpt types.str "HTTP password file";
         };
       }) ''
-        Optional http login credentials for metrics scraping.
+        Sets the `Authorization` header on every scrape request with the
+        configured username and password.
+        password and password_file are mutually exclusive.
       '';
 
       bearer_token = mkOpt types.str ''