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nixos/graphite: carbon, use syslog for logging

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Twisted provides option to log with syslog, this enables nicer logging.
Imagine what happens in a case of exception. If logs are written to stdout,
traceback won't be merged thus giving ugly logs. This commit fixes that.
This is also one of the official ways of starting carbon, so no worries.
This commit is contained in:
Jaka Hudoklin 2013-10-13 23:10:29 +02:00
parent c51e6c75a6
commit 63539b2844
1 changed files with 20 additions and 30 deletions
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50
nixos/modules/services/monitoring/graphite.nix
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@ -5,7 +5,18 @@ with pkgs.lib;
let
cfg = config.services.graphite;
writeTextOrNull = f: t: if t == null then null else pkgs.writeText f t;
dataDir = "/var/db/graphite";
carbonOpts = name: with config.ids; ''
--nodaemon --syslog --prefix=${name} \
--uid ${toString uids.graphite} --gid ${toString uids.graphite} ${name}
'';
carbonEnv = {
PYTHONPATH = "${pkgs.python27Packages.carbon}/lib/python2.7/site-packages";
GRAPHITE_ROOT = dataDir;
GRAPHITE_CONF_DIR = "/etc/graphite/";
};
in {
###### interface
@ -52,7 +63,7 @@ in {
[all_min]
pattern = \.min$
xFilesFactor = 0.1
aggregationMethod = min
aggregationMethod = min
'';
};
@ -153,15 +164,8 @@ in {
description = "Graphite data storage backend";
wantedBy = [ "multi-user.target" ];
after = [ "network-interfaces.target" ];
environment = {
GRAPHITE_CONF_DIR = "/etc/graphite/";
GRAPHITE_STORAGE_DIR = "/var/db/graphite/";
};
serviceConfig = {
ExecStart = "${pkgs.pythonPackages.carbon}/bin/carbon-cache.py --pidfile /tmp/carbonCache.pid start";
User = "graphite";
Group = "graphite";
};
environment = carbonEnv;
serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-cache"}";
restartTriggers = [
pkgs.pythonPackages.carbon
cfg.carbon.config
@ -178,15 +182,8 @@ in {
description = "Carbon data aggregator";
wantedBy = [ "multi-user.target" ];
after = [ "network-interfaces.target" ];
environment = {
GRAPHITE_CONF_DIR = "/etc/graphite/";
GRAPHITE_STORAGE_DIR = "${dataDir}";
};
serviceConfig = {
ExecStart = "${pkgs.pythonPackages.carbon}/bin/carbon-aggregator.py --pidfile /tmp/carbonAggregator.pid start";
User = "graphite";
Group = "graphite";
};
environment = carbonEnv;
serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-aggregator"}";
restartTriggers = [
pkgs.pythonPackages.carbon cfg.carbon.config cfg.carbon.aggregationRules
];
@ -196,15 +193,8 @@ in {
description = "Carbon data relay";
wantedBy = [ "multi-user.target" ];
after = [ "network-interfaces.target" ];
environment = {
GRAPHITE_CONF_DIR = "/etc/graphite/";
GRAPHITE_STORAGE_DIR = "${dataDir}";
};
serviceConfig = {
ExecStart = "${pkgs.pythonPackages.carbon}/bin/carbon-relay.py --pidfile /tmp/carbonRelay.pid start";
User = "graphite";
Group = "graphite";
};
environment = carbonEnv;
serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-relay"}";
restartTriggers = [
pkgs.pythonPackages.carbon cfg.carbon.config cfg.carbon.relayRules
];
@ -218,7 +208,7 @@ in {
PYTHONPATH = "${pkgs.python27Packages.graphite_web}/lib/python2.7/site-packages";
DJANGO_SETTINGS_MODULE = "graphite.settings";
GRAPHITE_CONF_DIR = "/etc/graphite/";
GRAPHITE_STORAGE_DIR = "${dataDir}";
GRAPHITE_STORAGE_DIR = dataDir;
};
serviceConfig = {
ExecStart = ''
@ -257,7 +247,7 @@ in {
name = "graphite";
uid = config.ids.uids.graphite;
description = "Graphite daemon user";
home = "${dataDir}";
home = dataDir;
createHome = true;
};
users.extraGroups.graphite.gid = config.ids.gids.graphite;