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module: append application_name to HYDRA_DBI

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This will make it easier to track specifically where queries are being
made from (assuming a `log_line_prefix` that includes `%a` in the
postgres configuration).
This commit is contained in:
Cole Helbling 2021-03-03 15:23:30 -08:00
parent 68ac64dbd9
commit fe70160008
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GPG key ID: B37E0F2371016A4C
1 changed files with 22 additions and 5 deletions
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27
hydra-module.nix
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@ -58,6 +58,11 @@ in
example = "dbi:Pg:dbname=hydra;host=postgres.example.org;user=foo;"; example = "dbi:Pg:dbname=hydra;host=postgres.example.org;user=foo;";
description = '' description = ''
The DBI string for Hydra database connection. The DBI string for Hydra database connection.
NOTE: Attempts to set `application_name` will be overridden by
`hydra-TYPE` (where TYPE is e.g. `evaluator`, `queue-runner`,
etc.) in all hydra services to more easily distinguish where
queries are coming from.
''; '';
}; };
@ -248,7 +253,9 @@ in
{ wantedBy = [ "multi-user.target" ]; { wantedBy = [ "multi-user.target" ];
requires = optional haveLocalDB "postgresql.service"; requires = optional haveLocalDB "postgresql.service";
after = optional haveLocalDB "postgresql.service"; after = optional haveLocalDB "postgresql.service";
environment = env; environment = env // {
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-init";
};
path = [ pkgs.utillinux ]; path = [ pkgs.utillinux ];
preStart = '' preStart = ''
mkdir -p ${baseDir} mkdir -p ${baseDir}
@ -304,7 +311,9 @@ in
{ wantedBy = [ "multi-user.target" ]; { wantedBy = [ "multi-user.target" ];
requires = [ "hydra-init.service" ]; requires = [ "hydra-init.service" ];
after = [ "hydra-init.service" ]; after = [ "hydra-init.service" ];
environment = serverEnv; environment = serverEnv // {
HYDRA_DBI = "${serverEnv.HYDRA_DBI};application_name=hydra-server";
};
restartTriggers = [ hydraConf ]; restartTriggers = [ hydraConf ];
serviceConfig = serviceConfig =
{ ExecStart = { ExecStart =
@ -326,6 +335,7 @@ in
environment = env // { environment = env // {
PGPASSFILE = "${baseDir}/pgpass-queue-runner"; # grrr PGPASSFILE = "${baseDir}/pgpass-queue-runner"; # grrr
IN_SYSTEMD = "1"; # to get log severity levels IN_SYSTEMD = "1"; # to get log severity levels
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-queue-runner";
}; };
serviceConfig = serviceConfig =
{ ExecStart = "@${cfg.package}/bin/hydra-queue-runner hydra-queue-runner -v"; { ExecStart = "@${cfg.package}/bin/hydra-queue-runner hydra-queue-runner -v";
@ -345,7 +355,9 @@ in
restartTriggers = [ hydraConf ]; restartTriggers = [ hydraConf ];
after = [ "hydra-init.service" "network.target" ]; after = [ "hydra-init.service" "network.target" ];
path = with pkgs; [ nettools cfg.package jq ]; path = with pkgs; [ nettools cfg.package jq ];
environment = env; environment = env // {
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-evaluator";
};
serviceConfig = serviceConfig =
{ ExecStart = "@${cfg.package}/bin/hydra-evaluator hydra-evaluator"; { ExecStart = "@${cfg.package}/bin/hydra-evaluator hydra-evaluator";
ExecStopPost = "${cfg.package}/bin/hydra-evaluator --unlock"; ExecStopPost = "${cfg.package}/bin/hydra-evaluator --unlock";
@ -358,7 +370,9 @@ in
systemd.services.hydra-update-gc-roots = systemd.services.hydra-update-gc-roots =
{ requires = [ "hydra-init.service" ]; { requires = [ "hydra-init.service" ];
after = [ "hydra-init.service" ]; after = [ "hydra-init.service" ];
environment = env; environment = env // {
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-update-gc-roots";
};
serviceConfig = serviceConfig =
{ ExecStart = "@${cfg.package}/bin/hydra-update-gc-roots hydra-update-gc-roots"; { ExecStart = "@${cfg.package}/bin/hydra-update-gc-roots hydra-update-gc-roots";
User = "hydra"; User = "hydra";
@ -369,7 +383,9 @@ in
systemd.services.hydra-send-stats = systemd.services.hydra-send-stats =
{ wantedBy = [ "multi-user.target" ]; { wantedBy = [ "multi-user.target" ];
after = [ "hydra-init.service" ]; after = [ "hydra-init.service" ];
environment = env; environment = env // {
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-send-stats";
};
serviceConfig = serviceConfig =
{ ExecStart = "@${cfg.package}/bin/hydra-send-stats hydra-send-stats"; { ExecStart = "@${cfg.package}/bin/hydra-send-stats hydra-send-stats";
User = "hydra"; User = "hydra";
@ -383,6 +399,7 @@ in
restartTriggers = [ hydraConf ]; restartTriggers = [ hydraConf ];
environment = env // { environment = env // {
PGPASSFILE = "${baseDir}/pgpass-queue-runner"; # grrr PGPASSFILE = "${baseDir}/pgpass-queue-runner"; # grrr
HYDRA_DBI = "${env.HYDRA_DBI};application_name=hydra-notify";
}; };
serviceConfig = serviceConfig =
{ ExecStart = "@${cfg.package}/bin/hydra-notify hydra-notify"; { ExecStart = "@${cfg.package}/bin/hydra-notify hydra-notify";