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nixos/prometheus: add enableAgentMode option

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Required for running a prometheus service under agent mode

Signed-off-by: Victor Hugo Aguiar Pacce <victorhugoaguiarpacce@gmail.com>
This commit is contained in:
Victor Hugo Aguiar Pacce 2023-04-18 14:45:47 -03:00
parent 739d72c5c2
commit 5c6c35d0f8
1 changed files with 13 additions and 6 deletions
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19
nixos/modules/services/monitoring/prometheus/default.nix
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@ -41,12 +41,12 @@ let
# This becomes the main config file for Prometheus # This becomes the main config file for Prometheus
promConfig = { promConfig = {
global = filterValidPrometheus cfg.globalConfig; global = filterValidPrometheus cfg.globalConfig;
rule_files = map (promtoolCheck "check rules" "rules") (cfg.ruleFiles ++ [
(pkgs.writeText "prometheus.rules" (concatStringsSep "\n" cfg.rules))
]);
scrape_configs = filterValidPrometheus cfg.scrapeConfigs; scrape_configs = filterValidPrometheus cfg.scrapeConfigs;
remote_write = filterValidPrometheus cfg.remoteWrite; remote_write = filterValidPrometheus cfg.remoteWrite;
remote_read = filterValidPrometheus cfg.remoteRead; remote_read = filterValidPrometheus cfg.remoteRead;
rule_files = optionals (!(cfg.enableAgentMode)) (map (promtoolCheck "check rules" "rules") (cfg.ruleFiles ++ [
(pkgs.writeText "prometheus.rules" (concatStringsSep "\n" cfg.rules))
]));
alerting = { alerting = {
inherit (cfg) alertmanagers; inherit (cfg) alertmanagers;
}; };
@ -62,15 +62,20 @@ let
promtoolCheck "check config ${lib.optionalString (cfg.checkConfig == "syntax-only") "--syntax-only"}" "prometheus.yml" yml; promtoolCheck "check config ${lib.optionalString (cfg.checkConfig == "syntax-only") "--syntax-only"}" "prometheus.yml" yml;
cmdlineArgs = cfg.extraFlags ++ [ cmdlineArgs = cfg.extraFlags ++ [
"--storage.tsdb.path=${workingDir}/data/"
"--config.file=${ "--config.file=${
if cfg.enableReload if cfg.enableReload
then "/etc/prometheus/prometheus.yaml" then "/etc/prometheus/prometheus.yaml"
else prometheusYml else prometheusYml
}" }"
"--web.listen-address=${cfg.listenAddress}:${builtins.toString cfg.port}" "--web.listen-address=${cfg.listenAddress}:${builtins.toString cfg.port}"
"--alertmanager.notification-queue-capacity=${toString cfg.alertmanagerNotificationQueueCapacity}" ] ++ (
] ++ optional (cfg.webExternalUrl != null) "--web.external-url=${cfg.webExternalUrl}" if (cfg.enableAgentMode) then [
"--enable-feature=agent"
] else [
"--alertmanager.notification-queue-capacity=${toString cfg.alertmanagerNotificationQueueCapacity }"
"--storage.tsdb.path=${workingDir}/data/"
])
++ optional (cfg.webExternalUrl != null) "--web.external-url=${cfg.webExternalUrl}"
++ optional (cfg.retentionTime != null) "--storage.tsdb.retention.time=${cfg.retentionTime}" ++ optional (cfg.retentionTime != null) "--storage.tsdb.retention.time=${cfg.retentionTime}"
++ optional (cfg.webConfigFile != null) "--web.config.file=${cfg.webConfigFile}"; ++ optional (cfg.webConfigFile != null) "--web.config.file=${cfg.webConfigFile}";
@ -1612,6 +1617,8 @@ in
''; '';
}; };
enableAgentMode = mkEnableOption (lib.mdDoc "agent mode");
configText = mkOption { configText = mkOption {
type = types.nullOr types.lines; type = types.nullOr types.lines;
default = null; default = null;