diff options
| -rw-r--r-- | config/zabbix2/zabbix2-proxy.inc | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/config/zabbix2/zabbix2-proxy.inc b/config/zabbix2/zabbix2-proxy.inc new file mode 100644 index 00000000..6341c92e --- /dev/null +++ b/config/zabbix2/zabbix2-proxy.inc @@ -0,0 +1,245 @@ +<?php +/* + zabbix2-proxy.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_proxy() { + 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_PROXY_BASE', '/usr/pbi/' . $zabbix2_pkg_base . '-proxy-' . php_uname("m")); + } else { + define('ZABBIX_PROXY_BASE', '/usr/local'); + } + + exec("/usr/bin/killall zabbix_proxy"); + unlink_if_exists(ZABBIX_PROXY_BASE . "/etc/" . $zabbix2_pkg_base . "/zabbix_proxy.conf"); + unlink_if_exists("/var/log/zabbix2/zabbix_proxy.log"); + unlink_if_exists("/var/run/zabbix2/zabbix2_proxy.pid"); + + if (!is_array($config['installedpackages']['zabbixagent'])) { + if (is_dir("/var/log/zabbix2")) { + exec("/bin/rm -r /var/log/zabbix2/"); + } + if (is_dir("/var/run/zabbix2")) { + exec("/bin/rm -r /var/run/zabbix2/"); + } + } + + if (is_dir("/var/db/zabbix2")) { + exec("/bin/rm -r /var/db/zabbix2/"); + } +} + +function validate_input_zabbix2_proxy($post, &$input_errors) { + if (isset($post['proxyenabled'])) { + if (!is_numericint($post['serverport'])) { + $input_errors[] = "'Server Port' value is not numeric."; + } elseif ($post['serverport'] < 1 || $post['serverport'] > 65535) { + $input_errors[] = "You must enter a valid value for 'Server Port'."; + } + + if (!preg_match("/\w+/", $post['hostname'])) { + $input_errors[] = "Hostname field is required."; + } + + if (!is_numericint($post['configfrequency'])) { + $input_errors[] = "'Config Frequency' value is not numeric."; + } + } +} + +function sync_package_zabbix2_proxy() { + 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_PROXY_BASE', '/usr/pbi/' . $zabbix2_pkg_base . '-proxy-' . php_uname("m")); + } else { + define('ZABBIX_PROXY_BASE', '/usr/local'); + } + + // Check zabbix proxy config + if (is_array($config['installedpackages']['zabbixproxy'])) { + $zbproxy_config = $config['installedpackages']['zabbixproxy']['config'][0]; + if ($zbproxy_config['proxyenabled'] == "on") { + $Mode = (is_numericint($zbproxy_config['proxymode']) ? $zbproxy_config['proxymode'] : 0); + $AdvancedParams = base64_decode($zbproxy_config['advancedparams']); + + $zbproxy_conf_file = <<< EOF +Server={$zbproxy_config['server']} +ServerPort={$zbproxy_config['serverport']} +Hostname={$zbproxy_config['hostname']} +PidFile=/var/run/zabbix2/zabbix2_proxy.pid +DBName=/var/db/zabbix2/proxy.db +LogFile=/var/log/zabbix2/zabbix_proxy.log +ConfigFrequency={$zbproxy_config['configfrequency']} +FpingLocation=/usr/local/sbin/fping +# There's currently no fping6 (IPv6) dependency in the package, +# but if there was, the binary would likely also be in /usr/local/sbin. +Fping6Location=/usr/local/sbin/fping6 +ProxyMode={$Mode} +{$AdvancedParams} + +EOF; + file_put_contents(ZABBIX_PROXY_BASE . "/etc/" . $zabbix2_pkg_base . "/zabbix_proxy.conf", strtr($zbproxy_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_PROXY_BASE . "/etc/" . $zabbix2_pkg_base)) { + mwexec("/bin/mkdir -p " . ZABBIX_PROXY_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; + + $zproxy_rcfile = "/usr/local/etc/rc.d/zabbix2_proxy.sh"; + if (is_array($zbproxy_config) && $zbproxy_config['proxyenabled'] == "on") { + $zproxy_start = strtr($dir_checks, array("\r" => "")). "\necho \"Starting Zabbix Proxy\"...\n"; + $zproxy_start .= ZABBIX_PROXY_BASE . "/sbin/zabbix_proxy\n"; + + $zproxy_stop = "echo \"Stopping Zabbix Proxy\"\n"; + $zproxy_stop .= "/usr/bin/killall zabbix_proxy\n"; + $zproxy_stop .= "/bin/sleep 5\n"; + + write_rcfile(array( + "file" => "zabbix2_proxy.sh", + "start" => $zproxy_start, + "stop" => $zproxy_stop + ) + ); + if (is_service_running("zabbix_proxy")) { + restart_service("zabbix_proxy"); + } else { + start_service("zabbix_proxy"); + } + } else { + if (is_service_running("zabbix_proxy")) { + stop_service("zabbix_proxy"); + } + unlink_if_exists($zproxy_rcfile); + } + + conf_mount_ro(); +} + +?> |