<?xml version="1.0" encoding="utf-8"?>
<packagegui>
  <name>zabbixproxy</name>
  <title>Services: Zabbix Proxy</title>
  <category>Monitoring</category>
  <version>1.01</version>
  <addedit_string>Zabbix Proxy has been created/modified.</addedit_string>
  <delete_string>Zabbix Proxy has been deleted.</delete_string>
  <restart_command>/usr/local/etc/rc.d/zabbix_proxy.sh restart</restart_command>
  <menu>
    <name>Zabbix Proxy</name>
    <tooltiptext>Setup Zabbix Proxy specific settings</tooltiptext>
    <section>Services</section>
    <url>/pkg_edit.php?xml=zabbix-proxy.xml&amp;id=0</url>
  </menu>
  <service>
    <name>zabbix-proxy</name>
    <rcfile>zabbix-proxy.sh</rcfile>
    <executable>zabbix_proxy</executable>
  </service>
  <tabs>
    <tab>
      <text>Settings</text>
      <url>/pkg_edit.php?xml=zabbix-proxy.xml&amp;id=0</url>
      <active />
    </tab>
  </tabs>
  <fields>
    <field>
      <fielddescr>Server</fielddescr>
      <fieldname>server</fieldname>
      <description>List of comma delimited IP addresses (or hostnames) of ZABBIX servers</description>
      <default_value>127.0.0.1</default_value>
      <type>input</type>
      <size>100</size>
      <required>true</required>
    </field>
    <field>
      <fielddescr>Server Port</fielddescr>
      <fieldname>serverport</fieldname>
      <description>Server port (generally 10051)</description>
      <default_value>10051</default_value>
      <type>input</type>
      <size>6</size>
      <required>true</required>
    </field>
    <field>
      <fielddescr>Hostname</fielddescr>
      <fieldname>hostname</fieldname>
      <description>Unique, case-sensitive proxy name. Make sure the proxy name is known to the server</description>
      <default_value>localhost</default_value>
      <type>input</type>
      <size>100</size>
      <required>true</required>
    </field>
    <field>
      <fielddescr>Active Mode</fielddescr>
      <fieldname>activemode</fieldname>
      <description>Check to run Zabbix proxy in active mode (default)</description>
      <default_value>on</default_value>
      <type>checkbox</type>
      <required>true</required>
    </field>
    <field>
      <fielddescr>Config Frequency</fielddescr>
      <fieldname>configfrequency</fieldname>
      <description>How often the proxy retrieves configuration data from the Zabbix server in seconds. Ignored if the proxy runs in passive mode.</description>
      <default_value>3600</default_value>
      <type>input</type>
      <size>10</size>
      <required>true</required>
    </field>
  </fields>
	<custom_php_install_command>
	<![CDATA[
		global $config, $g;

		mwexec("mkdir -p /var/log/zabbix/");
		mwexec("mkdir -p /var/run/zabbix/");
		mwexec("mkdir -p /var/db/zabbix/");

		conf_mount_rw();

		/* create a few directories and ensure the sample files are in place */
		exec("/bin/mkdir -p /usr/local/etc/zabbix");
		exec("/bin/mkdir -p /var/log/zabbix");
		exec("/bin/mkdir -p /var/run/zabbix");
		exec("/bin/mkdir -p /var/db/zabbix");

		exec("/bin/rm -f /usr/local/etc/rc.d/zabbix_proxy");

		$start  = "/bin/mkdir -p /var/log/zabbix\n";
		$start  .= "/usr/sbin/chown -R zabbix:zabbix /var/log/zabbix\n";

		$start  .= "/bin/mkdir -p /var/run/zabbix\n";
		$start  .= "/usr/sbin/chown -R zabbix:zabbix /var/run/zabbix\n";

		$start  .= "/bin/mkdir -p /var/db/zabbix\n";
		$start  .= "/usr/sbin/chown -R zabbix:zabbix /var/db/zabbix\n";

		$start  .= "echo \"Starting Zabbix Proxy\"...\n";

		/* start zabbix proxy */
		$start .= "/usr/local/sbin/zabbix_proxy\n";

		$stop = "echo \"Stopping Zabbix Proxy\"\n";
		$stop .= "kill `cat /var/run/zabbix/zabbix_proxy.pid`\n";
		/* write out rc.d start/stop file */
		write_rcfile(array(
						"file" => "zabbix_proxy.sh",
						"start" => "{$start}",
						"restart" => "$stop\n" . "sleep 5\n" . "{$start}",
						"stop" => "$stop"
				)
		);

		conf_mount_ro();
	]]>
	</custom_php_install_command>
	<custom_php_command_before_form></custom_php_command_before_form>
	<custom_php_after_head_command></custom_php_after_head_command>
	<custom_php_after_form_command></custom_php_after_form_command>
	<custom_php_validation_command>
	<![CDATA[
	global $_POST;

	$ServerPort=$_POST['serverport'];
	if (!preg_match("/^\d+$/", $ServerPort)) {
		$input_errors[]='Server Port is not numeric.';
	}

	$ConfigFrequency=$_POST['configfrequency'];
	if (!preg_match("/^\d+$/", $ConfigFrequency)) {
		$input_errors[]='Config Frequency is not numeric.';
	}
    ]]>
	</custom_php_validation_command>
	<custom_add_php_command></custom_add_php_command>
	<custom_php_resync_config_command>
    <![CDATA[
		conf_mount_rw();
		global $config;
		global $g;
		$zabbixproxy_config = $config['installedpackages']['zabbixproxy']['config'][0];

		$Server=$zabbixproxy_config['server'];
		$ServerPort=$zabbixproxy_config['serverport'];
		$Hostname=$zabbixproxy_config['hostname'];
		$ListenPort=$zabbixproxy_config['listenport'];
		$ConfigFrequency=$zabbixproxy_config['configfrequency'];
		if(isset($zabbixproxy_config['activemode'])) {
			$Mode="0"; /* active */
		} else {
			$Mode="1"; /* passive */
		}


		$conf = "Server=$Server\n";
		$conf .= "ServerPort=$ServerPort\n";
		$conf .= "Hostname=$Hostname\n";
		$conf .= "PidFile=/var/run/zabbix/zabbix_proxy.pid\n";
		$conf .= "DBName=/var/db/zabbix/proxy.db\n";
		$conf .= "LogFile=/var/log/zabbix/zabbix_proxy.log\n";
		$conf .= "ConfigFrequency=$ConfigFrequency\n";
		$conf .= "FpingLocation=/usr/local/sbin/fping\n";
		/* there's currently no fping6 (IPv6) dependency in the package, but if there was, the binary would likely also be in /usr/local/sbin */
		$conf .= "Fping6Location=/usr/local/sbin/fping6\n";
		$conf .= "ProxyMode=$Mode\n";

		file_put_contents("/usr/local/etc/zabbix/zabbix_proxy.conf", $conf);

		$want_sysctls = array(
			'kern.ipc.shmall' => '2097152',
			'kern.ipc.shmmax' => '2147483648',
			'kern.ipc.semmsl' => '250'
		);
		$sysctls = array();
		if (file_exists("/etc/sysctl.conf")) {
			$sc = file_get_contents("/etc/sysctl.conf");
			$sc = explode("\n", $sc);
			foreach ($sc as $num => $line) {
				list($sysctl, $val) = explode("=", $line, 2);
				if (array_key_exists($sysctl, $want_sysctls) || empty($sysctl))
					unset($sc[$num]);
			}
		}
		foreach ($want_sysctls as $ws => $wv) {
			$sc[] = "{$ws}={$wv}";
			exec("/sbin/sysctl {$ws}={$wv}");
		}
		file_put_contents("/etc/sysctl.conf", implode("\n", $sc) . "\n");

		$want_tunables = array(
			'kern.ipc.semopm' => '100',
			'kern.ipc.semmni' => '128',
			'kern.ipc.semmns' => '32000',
			'kern.ipc.shmmni' => '4096'
		);
		$tunables = array();
		if (file_exists("/boot/loader.conf")) {
			$lt = file_get_contents("/boot/loader.conf");
			$lt = explode("\n", $lt);
			foreach ($lt as $num => $line) {
				list($tunable, $val) = explode("=", $line, 2);
				if (array_key_exists($tunable, $want_tunables) || empty($tunable))
					unset($lt[$num]);
			}
		}
		foreach ($want_tunables as $wt => $wv) {
			$lt[] = "{$wt}={$wv}";
		}
		file_put_contents("/boot/loader.conf", implode("\n", $lt) . "\n");
		chmod("/var/log/zabbix", 0755);
		chmod("/var/run/zabbix", 0755);
		conf_mount_ro();

    ]]>
	</custom_php_resync_config_command>
	<custom_php_deinstall_command>
    <![CDATA[
		exec("kill `cat /var/run/zabbix/zabbix_proxy.pid`");

		exec("/bin/rm /usr/local/etc/rc.d/zabbix_proxy.sh");

		exec("/bin/rm -r /var/log/zabbix/");
		exec("/bin/rm -r /var/run/zabbix/");
		exec("/bin/rm -r /var/db/zabbix/");
	]]>
	</custom_php_deinstall_command>
</packagegui>