Move all of NixOS to nixos/ in preparation of the repository merge

2013-10-10 13:28:20 +02:00
parent 6070bc016b
commit 5c1f8cbc70
481 changed files with 0 additions and 0 deletions
@@ -0,0 +1,113 @@
+# Zabbix server daemon.
+{ config, pkgs, ... }:
+
+with pkgs.lib;
+
+let
+
+  cfg = config.services.zabbixServer;
+
+  stateDir = "/var/run/zabbix";
+
+  logDir = "/var/log/zabbix";
+
+  libDir = "/var/lib/zabbix";
+
+  pidFile = "${stateDir}/zabbix_server.pid";
+
+  configFile = pkgs.writeText "zabbix_server.conf"
+    ''
+      LogFile = ${logDir}/zabbix_server
+
+      PidFile = ${pidFile}
+
+      ${optionalString (cfg.dbServer != "localhost") ''
+        DBHost = ${cfg.dbServer}
+      ''}
+
+      DBName = zabbix
+
+      DBUser = zabbix
+
+      ${optionalString (cfg.dbPassword != "") ''
+        DBPassword = ${cfg.dbPassword}
+      ''}
+    '';
+
+  useLocalPostgres = cfg.dbServer == "localhost" || cfg.dbServer == "";
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.zabbixServer.enable = mkOption {
+      default = false;
+      description = ''
+        Whether to run the Zabbix server on this machine.
+      '';
+    };
+
+    services.zabbixServer.dbServer = mkOption {
+      default = "localhost";
+      description = ''
+        Hostname or IP address of the database server.
+        Use an empty string ("") to use peer authentication.
+      '';
+    };
+
+    services.zabbixServer.dbPassword = mkOption {
+      default = "";
+      description = "Password used to connect to the database server.";
+    };
+
+  };
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    services.postgresql.enable = useLocalPostgres;
+
+    users.extraUsers = singleton
+      { name = "zabbix";
+        uid = config.ids.uids.zabbix;
+        description = "Zabbix daemon user";
+      };
+
+    systemd.services."zabbix-server" =
+      { description = "Zabbix Server";
+
+        wantedBy = [ "multi-user.target" ];
+        after = optional useLocalPostgres "postgresql.service";
+
+        preStart =
+          ''
+            mkdir -m 0755 -p ${stateDir} ${logDir} ${libDir}
+            chown zabbix ${stateDir} ${logDir} ${libDir}
+
+            if ! test -e "${libDir}/db-created"; then
+                ${pkgs.postgresql}/bin/createuser --no-superuser --no-createdb --no-createrole zabbix || true
+                ${pkgs.postgresql}/bin/createdb --owner zabbix zabbix || true
+                cat ${pkgs.zabbix.server}/share/zabbix/db/schema/postgresql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c '${pkgs.postgresql}/bin/psql zabbix'
+                cat ${pkgs.zabbix.server}/share/zabbix/db/data/images_pgsql.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c '${pkgs.postgresql}/bin/psql zabbix'
+                cat ${pkgs.zabbix.server}/share/zabbix/db/data/data.sql | ${pkgs.su}/bin/su -s "$SHELL" zabbix -c '${pkgs.postgresql}/bin/psql zabbix'
+                touch "${libDir}/db-created"
+            fi
+          '';
+
+        path = [ pkgs.nettools ];
+
+        serviceConfig.ExecStart = "@${pkgs.zabbix.server}/sbin/zabbix_server zabbix_server --config ${configFile}";
+        serviceConfig.Type = "forking";
+        serviceConfig.Restart = "always";
+        serviceConfig.RestartSec = 2;
+        serviceConfig.PIDFile = pidFile;
+      };
+
+  };
+
+}