diff options
Diffstat (limited to 'config/zabbix2/zabbix2-agent.inc')
| -rw-r--r-- | config/zabbix2/zabbix2-agent.inc | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/config/zabbix2/zabbix2-agent.inc b/config/zabbix2/zabbix2-agent.inc new file mode 100644 index 00000000..4aa0d5f7 --- /dev/null +++ b/config/zabbix2/zabbix2-agent.inc @@ -0,0 +1,298 @@ +<?php +/* + zabbix2-agent.inc + part of pfSense (https://www.pfSense.org/) + Copyright (C) 2013 Danilo G. Baio + Copyright (C) 2013 Marcello Coutinho + Copyright (C) 2015 ESF, LLC + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. +*/ +require_once("util.inc"); +require_once("functions.inc"); +require_once("pkg-utils.inc"); +require_once("globals.inc"); + +function php_zabbix2_pfs_version() { + $pfs_version = substr(trim(file_get_contents("/etc/version")), 0, 3); + return $pfs_version; +} + +function php_zabbix2_pkg_base($pfs_version) { + if ($pfs_version >= 2.2) { + // pfSense 2.2 with zabbix 2.4 + $zabbix2_pkg_base = "zabbix24"; + } else { + // pfSense 2.1 with zabbix 2.2 + $zabbix2_pkg_base = "zabbix22"; + } + return $zabbix2_pkg_base; +} + +function php_deinstall_zabbix2_agent() { + global $config, $g; + + $pfs_version = php_zabbix2_pfs_version(); + $zabbix2_pkg_base = php_zabbix2_pkg_base($pfs_version); + + if ($pfs_version == "2.1" || $pfs_version == "2.2") { + define('ZABBIX_AGENT_BASE', '/usr/pbi/' . $zabbix2_pkg_base . '-agent-' . php_uname("m")); + } else { + define('ZABBIX_AGENT_BASE', '/usr/local'); + } + + mwexec("/usr/bin/killall zabbix_agentd"); + + unlink_if_exists(ZABBIX_AGENT_BASE . "/etc/" . $zabbix2_pkg_base . "/zabbix_agentd.conf"); + unlink_if_exists("/var/log/zabbix2/zabbix2_agentd.log"); + unlink_if_exists("/var/run/zabbix2/zabbix2_agentd.pid"); + + if (!is_array($config['installedpackages']['zabbixproxy'])) { + if (is_dir("/var/log/zabbix2")) { + mwexec("/bin/rm -rf /var/log/zabbix2/"); + } + if (is_dir("/var/run/zabbix2")) { + mwexec("/bin/rm -rf /var/run/zabbix2/"); + } + } +} + +function validate_input_zabbix2_agent($post, &$input_errors) { + if (isset($post['agentenabled'])) { + if (!preg_match("/\w+/", $post['server'])) { + $input_errors[] = "Server field is required."; + } + + if (!preg_match("/\w+/", $post['hostname'])) { + $input_errors[] = "Hostname field is required."; + } + + if ($post['listenip'] != '') { + if (!is_ipaddr_configured($post['listenip']) && !preg_match("/(127.0.0.1|0.0.0.0)/", $post['listenip'])) { + $input_errors[] = "'Listen IP' is not a configured IP address."; + } + } + + if ($post['listenport'] != '') { + if (!is_numericint($post['listenport'])) { + $input_errors[] = "'Listen Port' value is not numeric."; + } elseif ($post['listenport'] < 1 || $post['listenport'] > 65535) { + $input_errors[] = "You must enter a valid value for 'Listen Port'."; + } + } + + if ($post['refreshactchecks'] != '') { + if (!is_numericint($post['refreshactchecks'])) { + $input_errors[] = "'Refresh Active Checks' value is not numeric."; + } elseif ($post['refreshactchecks'] < 60 || $post['refreshactchecks'] > 3600) { + $input_errors[] = "You must enter a valid value for 'Refresh Active Checks'."; + } + } + + if ($post['timeout'] != '') { + if (!is_numericint($post['timeout'])) { + $input_errors[] = "Timeout value is not numeric."; + } elseif ($post['timeout'] < 1 || $post['timeout'] > 30) { + $input_errors[] = "You must enter a valid value for 'Timeout'."; + } + } + + if ($post['buffersend'] != '') { + if (!is_numericint($post['buffersend'])) { + $input_errors[] = "'Buffer Send' value is not numeric."; + } elseif ($post['buffersend'] < 1 || $post['buffersend'] > 3600) { + $input_errors[] = "You must enter a valid value for 'Buffer Send'."; + } + } + + if ($post['buffersize'] != '') { + if (!is_numericint($post['buffersize'])) { + $input_errors[] = "'Buffer Size' value is not numeric."; + } elseif ($post['buffersize'] < 2 || $post['buffersize'] > 65535) { + $input_errors[] = "You must enter a valid value for 'Buffer Size'."; + } + } + + if ($post['startagents'] != '') { + if (!is_numericint($post['startagents'])) { + $input_errors[]='Start Agents is not numeric.'; + } elseif ($post['startagents'] < 0 || $post['startagents'] > 100) { + $input_errors[] = "You must enter a valid value for 'Start Agents'."; + } + } + } +} + +function sync_package_zabbix2_agent() { + global $config, $g; + + conf_mount_rw(); + $pfs_version = php_zabbix2_pfs_version(); + $zabbix2_pkg_base = php_zabbix2_pkg_base($pfs_version); + + if ($pfs_version == "2.1" || $pfs_version == "2.2") { + define('ZABBIX_AGENT_BASE', '/usr/pbi/' . $zabbix2_pkg_base . '-agent-' . php_uname("m")); + } else { + define('ZABBIX_AGENT_BASE', '/usr/local'); + } + + // Check zabbix agent settings + if (is_array($config['installedpackages']['zabbixagent'])) { + $zbagent_config = $config['installedpackages']['zabbixagent']['config'][0]; + if ($zbagent_config['agentenabled'] == "on") { + $RefreshActChecks = (preg_match("/(\d+)/", $zbagent_config['refreshactchecks'], $matches) ? $matches[1] : "120"); + $BufferSend = (preg_match("/(\d+)/", $zbagent_config['buffersend'], $matches) ? $matches[1] : "5"); + $BufferSize = (preg_match("/(\d+)/", $zbagent_config['buffersize'], $matches) ? $matches[1] : "100"); + $StartAgents = (preg_match("/(\d+)/", $zbagent_config['startagents'], $matches) ? $matches[1] : "3"); + $UserParams = base64_decode($zbagent_config['userparams']); + $ListenIp = $zbagent_config['listenip'] ?: "0.0.0.0"; + $ListenPort = $zbagent_config['listenport'] ?: "10050"; + $TimeOut = $zbagent_config['timeout'] ?: "3"; + + $zbagent_conf_file = <<< EOF +Server={$zbagent_config['server']} +ServerActive={$zbagent_config['serveractive']} +Hostname={$zbagent_config['hostname']} +ListenIP={$ListenIp} +ListenPort={$ListenPort} +RefreshActiveChecks={$RefreshActChecks} +DebugLevel=3 +PidFile=/var/run/zabbix2/zabbix2_agentd.pid +LogFile=/var/log/zabbix2/zabbix2_agentd.log +LogFileSize=1 +Timeout={$TimeOut} +BufferSend={$BufferSend} +BufferSize={$BufferSize} +StartAgents={$StartAgents} +{$UserParams} + +EOF; + file_put_contents(ZABBIX_AGENT_BASE . "/etc/" . $zabbix2_pkg_base . "/zabbix_agentd.conf", strtr($zbagent_conf_file, array("\r" => ""))); + } + } + + $want_sysctls = array( + 'kern.ipc.shmall' => '2097152', + 'kern.ipc.shmmax' => '2147483648', + 'kern.ipc.semmsl' => '250' + ); + $sysctls = array(); + // Check sysctl file values + $sc_file=""; + if (file_exists("/etc/sysctl.conf")) { + $sc = file("/etc/sysctl.conf"); + foreach ($sc as $line) { + list($sysk, $sysv) = explode("=", $line, 2); + if (preg_match("/\w/", $line) && !array_key_exists($sysk, $want_sysctls)) { + $sc_file .= $line; + } + } + } + foreach ($want_sysctls as $ws => $wv) { + $sc_file .= "{$ws}={$wv}\n"; + mwexec("/sbin/sysctl {$ws}={$wv}"); + } + file_put_contents("/etc/sysctl.conf", $sc_file); + + // Check bootloader values + $lt_file = ""; + $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")) { + $lt = file("/boot/loader.conf"); + foreach ($lt as $line) { + list($tunable, $val) = explode("=", $line, 2); + if (preg_match("/\w/", $line) && !array_key_exists($tunable, $want_tunables)) { + $lt_file .= $line; + } + } + } + foreach ($want_tunables as $wt => $wv) { + $lt_file .= "{$wt}={$wv}\n"; + } + file_put_contents("/boot/loader.conf", $lt_file); + + // Check startup script files + // Create a few directories and ensure the sample files are in place + if (!is_dir(ZABBIX_AGENT_BASE . "/etc/" . $zabbix2_pkg_base)) { + mwexec("/bin/mkdir -p " . ZABBIX_AGENT_BASE . "/etc/" . $zabbix2_pkg_base); + } + + $dir_checks = <<< EOF + + if [ ! -d /var/log/zabbix2 ]; then + /bin/mkdir -p /var/log/zabbix2 + /usr/sbin/chmod 755 /var/log/zabbix2 + fi + /usr/sbin/chown -R zabbix:zabbix /var/log/zabbix2 + + if [ ! -d /var/run/zabbix2 ]; then + /bin/mkdir -p /var/run/zabbix2 + /usr/sbin/chmod 755 /var/run/zabbix2 + fi + /usr/sbin/chown -R zabbix:zabbix /var/run/zabbix2 + + if [ ! -d /var/db/zabbix2 ]; then + /bin/mkdir -p /var/db/zabbix2 + /usr/sbin/chmod 755 /var/db/zabbix2 + fi + /usr/sbin/chown -R zabbix:zabbix /var/db/zabbix2 + +EOF; + + $zagent_rcfile="/usr/local/etc/rc.d/zabbix2_agentd.sh"; + if (is_array($zbagent_config) && $zbagent_config['agentenabled']=="on") { + $zagent_start .= strtr($dir_checks, array("\r" => "")). "\necho \"Starting Zabbix Agent...\"\n"; + $zagent_start .= ZABBIX_AGENT_BASE . "/sbin/zabbix_agentd\n"; + + $zagent_stop = "echo \"Stopping Zabbix Agent...\"\n"; + $zagent_stop .= "/usr/bin/killall zabbix_agentd\n"; + $zagent_stop .= "/bin/sleep 5\n"; + + write_rcfile(array( + "file" => "zabbix2_agentd.sh", + "start" => $zagent_start, + "stop" => $zagent_stop + ) + ); + if (is_service_running("zabbix_agentd")) { + restart_service("zabbix_agentd"); + } else { + start_service("zabbix_agentd"); + } + } else { + if (is_service_running("zabbix_agentd")) { + stop_service("zabbix_agentd"); + } + unlink_if_exists($zagent_rcfile); + } + + conf_mount_ro(); +} + +?> |