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https://github.com/NixOS/nixpkgs.git
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nixos/graphite: Make pure, fix several bugs, add dataDir option
This commit is contained in:
Jaka Hudoklin
parent
086afe9161
commit
b21d95e1f8
1 changed files with 57 additions and 37 deletions
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@ -4,17 +4,31 @@ with pkgs.lib;
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let
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cfg = config.services.graphite;
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writeTextOrNull = f: t: if t == null then null else pkgs.writeText f t;
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writeTextOrNull = f: t: if t == null then null else pkgs.writeTextDir f t;
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dataDir = cfg.dataDir;
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configDir = pkgs.buildEnv {
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name = "graphite-config";
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paths = lists.filter (el: el != null) [
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(writeTextOrNull "carbon.conf" cfg.carbon.config)
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(writeTextOrNull "storage-agregation.conf" cfg.carbon.storageAggregation)
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(writeTextOrNull "storage-schemas.conf" cfg.carbon.storageSchemas)
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(writeTextOrNull "blacklist.conf" cfg.carbon.blacklist)
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(writeTextOrNull "whitelist.conf" cfg.carbon.whitelist)
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(writeTextOrNull "rewrite-rules.conf" cfg.carbon.rewriteRules)
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(writeTextOrNull "relay-rules.conf" cfg.carbon.relayRules)
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(writeTextOrNull "aggregation-rules.conf" cfg.carbon.aggregationRules)
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];
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};
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dataDir = "/var/db/graphite";
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carbonOpts = name: with config.ids; ''
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--nodaemon --syslog --prefix=${name} --pidfile /var/run/${name}.pid \
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--uid ${toString uids.graphite} --gid ${toString uids.graphite} ${name}
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--nodaemon --syslog --prefix=${name} --pidfile ${dataDir}/${name}.pid ${name}
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'';
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carbonEnv = {
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PYTHONPATH = "${pkgs.python27Packages.carbon}/lib/python2.7/site-packages";
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GRAPHITE_ROOT = dataDir;
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GRAPHITE_CONF_DIR = "/etc/graphite/";
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GRAPHITE_CONF_DIR = configDir;
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GRAPHITE_STORAGE_DIR = dataDir;
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};
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@ -23,6 +37,14 @@ in {
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###### interface
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options.services.graphite = {
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dataDir = mkOption {
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type = types.path;
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default = "/var/db/graphite";
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description = ''
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Data directory for graphite.
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'';
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};
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web = {
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enable = mkOption {
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description = "Whether to enable graphite web frontend";
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@ -38,8 +60,8 @@ in {
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port = mkOption {
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description = "Graphite web frontend port";
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default = "8080";
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type = types.str;
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default = 8080;
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type = types.int;
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};
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};
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@ -152,31 +174,17 @@ in {
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###### implementation
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config = mkIf (cfg.carbon.enableAggregator || cfg.carbon.enableCache || cfg.carbon.enableRelay || cfg.web.enable) {
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environment.etc = lists.filter (el: el.source != null) [
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{ source = writeTextOrNull "carbon.conf" cfg.carbon.config;
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target = "graphite/carbon.conf"; }
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{ source = writeTextOrNull "storage-agregation.conf" cfg.carbon.storageAggregation;
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target = "graphite/storage-agregation.conf"; }
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{ source = writeTextOrNull "storage-schemas.conf" cfg.carbon.storageSchemas;
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target = "graphite/storage-schemas.conf"; }
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{ source = writeTextOrNull "blacklist.conf" cfg.carbon.blacklist;
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target = "graphite/blacklist.conf"; }
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{ source = writeTextOrNull "whitelist.conf" cfg.carbon.whitelist;
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target = "graphite/whitelist.conf"; }
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{ source = writeTextOrNull "rewrite-rules.conf" cfg.carbon.rewriteRules;
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target = "graphite/rewrite-rules.conf"; }
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{ source = writeTextOrNull "relay-rules.conf" cfg.carbon.relayRules;
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target = "graphite/relay-rules.conf"; }
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{ source = writeTextOrNull "aggregation-rules.conf" cfg.carbon.aggregationRules;
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target = "graphite/aggregation-rules.conf"; }
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];
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systemd.services.carbonCache = mkIf cfg.carbon.enableCache {
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systemd.services.carbonCache = {
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enable = cfg.carbon.enableCache;
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description = "Graphite Data Storage Backend";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-interfaces.target" ];
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environment = carbonEnv;
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serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-cache"}";
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serviceConfig = {
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ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-cache"}";
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User = "graphite";
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Group = "graphite";
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};
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restartTriggers = [
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pkgs.pythonPackages.carbon
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cfg.carbon.config
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@ -185,33 +193,45 @@ in {
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cfg.carbon.rewriteRules
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];
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preStart = ''
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mkdir -p ${dataDir}/whisper
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mkdir -m 0700 -p ${cfg.dataDir}/whisper
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if [ "$(id -u)" = 0 ]; then chown -R graphite:graphite ${cfg.dataDir}; fi
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'';
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};
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systemd.services.carbonAggregator = mkIf cfg.carbon.enableAggregator {
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systemd.services.carbonAggregator = {
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enable = cfg.carbon.enableAggregator;
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description = "Carbon Data Aggregator";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-interfaces.target" ];
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environment = carbonEnv;
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serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-aggregator"}";
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serviceConfig = {
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ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-aggregator"}";
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User = "graphite";
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Group = "graphite";
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};
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restartTriggers = [
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pkgs.pythonPackages.carbon cfg.carbon.config cfg.carbon.aggregationRules
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];
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};
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systemd.services.carbonRelay = mkIf cfg.carbon.enableRelay {
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systemd.services.carbonRelay = {
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enable = cfg.carbon.enableRelay;
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description = "Carbon Data Relay";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-interfaces.target" ];
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environment = carbonEnv;
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serviceConfig.ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-relay"}";
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serviceConfig = {
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ExecStart = "${pkgs.twisted}/bin/twistd ${carbonOpts "carbon-relay"}";
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User = "graphite";
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Group = "graphite";
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};
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restartTriggers = [
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pkgs.pythonPackages.carbon cfg.carbon.config cfg.carbon.relayRules
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];
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};
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systemd.services.graphiteWeb = mkIf cfg.web.enable {
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systemd.services.graphiteWeb = {
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enable = cfg.web.enable;
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description = "Graphite Web Interface";
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wantedBy = [ "multi-user.target" ];
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after = [ "network-interfaces.target" ];
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@ -224,14 +244,15 @@ in {
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serviceConfig = {
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ExecStart = ''
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${pkgs.python27Packages.waitress}/bin/waitress-serve \
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--host=${cfg.web.host} --port=${cfg.web.port} \
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--host=${cfg.web.host} --port=${toString cfg.web.port} \
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--call django.core.handlers.wsgi:WSGIHandler'';
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User = "graphite";
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Group = "graphite";
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};
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preStart = ''
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if ! test -e ${dataDir}/db-created; then
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mkdir -p ${dataDir}/{whisper/,log/webapp/}
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mkdir -m 0700 -p ${dataDir}/{whisper/,log/webapp/}
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if [ "$(id -u)" = 0 ]; then chown -R graphite:graphite ${cfg.dataDir}; fi
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# populate database
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${pkgs.python27Packages.graphite_web}/bin/manage-graphite.py syncdb --noinput
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@ -259,7 +280,6 @@ in {
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uid = config.ids.uids.graphite;
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description = "Graphite daemon user";
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home = dataDir;
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createHome = true;
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};
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users.extraGroups.graphite.gid = config.ids.gids.graphite;
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};
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