| /trunk/README.md |
|---|
| 0,0 → 1,48 |
| [](https://www.viathinksoft.com/projects/vnag "VNag") |
| **VNag** (**V**iaThinkSoft **Nag**ios) is a framework for PHP which allows developing plugins for Nagios-compatible systems (e.g. Icinga2), following the [development guidelines](https://nagios-plugins.org/doc/guidelines.html "development guidelines"). |
| The download package contains documentation, examples and many new plugins, e.g. to check WordPress installations. |
| Beside developing normal Nagios/Icinga plugins (PHP will be called via CLI), you can develop plugins which are additionally served over HTTP. |
| - The plugins can be shown via a HTTP-Demon (e.g. Apache) in user's browsers. Beside the output for Nagios (Summary, Verbose information, Performance data), user-defined HTML output can be added, e.g. to complete your Nagios output with more diagrams, pictures, etc. Only one code base is required! |
| - The web-output contains a hidden machine readable part, which can be read out with the "WebReader" plugin of VNag. The WebReader plugins reads the machine readable part and outputs the data in the output format which can be read by Nagios. This way, you can monitor things like WordPress version at systems where you have no shell access and/or without Nagios installed. |
| - It is also possible to create websites which only have a machine readable part (i.e. you include your VNag output in your existing website). This machine readable part can be optionally signed and/or encrypted. |
| Pre-Installed plugins |
| --------------------- |
| VNag comes with following plugins pre-installed: |
| - **4images_version**: Checks 4images installations for updates. |
| - **disk_running**: Checks if harddisks which do not have SMART capability are online |
| - **file_timestamp**: Warns when files are not modified withhin a specific interval/age. |
| - **ipfm**: Checks the log files of the tool "ipfm" and warns when the measured traffic exceeds a given limit. |
| - **joomla_version**: checks Joomla installations for updates. |
| - **last**: Checks the output of the tool "last" and warns when logins from suspicious IP adresses are detected. |
| - **mdstat**: Parses the output of "/proc/mdstat" and warns when drives inside a RAID array have failed. |
| - **mediawiki_version**: Checks MediaWiki installations for updates. |
| - **pmwiki_version**: Checks PmWiki installations for updates. |
| - **net2ftp_version**: Checks net2ftp installations for updates. |
| - **nocc_version**: Checks NOCC webmail installations for updates. |
| - **openbugbounty**: Checks if your domains are listed at OpenBugBounty.org. |
| - **phpbb_version**: Checks phpBB installations for updates. |
| - **phpmyadmin_version**: Checks phpMyAdmin installations for updates. |
| - **roundcube_version**: Checks RoundCube installations for updates. |
| - **smart**: Checks the SMART attributes of harddrives and warns when bad attributes are detected. |
| - **virtual_mem**: Checks the amount of virtual memory (physical memory + swap). |
| - **webreader**: Reads the output of another VNag plugin transferred over HTTP. |
| - **wordpress_version**: Checks WordPress installations for updates. |
| - **x509_expire**: Warns when X.509 (PEM) certificate files reach a specific age. |
| Use-case diagrams |
| ----------------- |
| 1. [Simple case](https://raw.githubusercontent.com/danielmarschall/vnag/master/doc/vnag_model_1.png "Simple case"): Nagios/CLI checks an object |
| 2. [Extended case](https://raw.githubusercontent.com/danielmarschall/vnag/master/doc/vnag_model_2.png "Extended case"): Nagios/CLI checks an object, and a user can additionally view the status in a web-browser |
| 3. [More extended case](https://raw.githubusercontent.com/danielmarschall/vnag/master/doc/vnag_model_3.png "More extended case"): Nagios/CLI checks an object, a user can additionally view the status in a web-browser, and another Nagios/CLI instance can remotely access the output of the primary Nagios/CLI |
| Property changes: |
| Added: svn:mime-type |
| +text/markdown |
| \ No newline at end of property |
| /trunk/framework/vnag_framework.inc.php |
|---|
| 1,25 → 1,25 |
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| A== |
| </ViaThinkSoftSignature> */ ?> |
| <?php |
| 35,7 → 35,7 |
| Developed by Daniel Marschall www.viathinksoft.com |
| Licensed under the terms of the Apache 2.0 license |
| Revision 2021-05-21 |
| Revision 2021-06-24 |
| */ |
| 347,7 → 347,7 |
| } |
| abstract class VNag { |
| /*public*/ const VNAG_VERSION = '2021-05-21'; |
| /*public*/ const VNAG_VERSION = '2021-06-24'; |
| // Status 0..3 for STATUSMODEL_SERVICE (the default status model): |
| # The guideline states: "Higher-level errors (such as name resolution errors, socket timeouts, etc) are outside of the control of plugins and should generally NOT be reported as UNKNOWN states." |
| 1904,18 → 1904,20 |
| public static function isKnownUOM(string $uom) { |
| // see https://nagios-plugins.org/doc/guidelines.html#AEN200 |
| // 10. UOM (unit of measurement) is one of: |
| return ( |
| // no unit specified - assume a number (int or float) of things (eg, users, processes, load averages) |
| ($uom === '') || |
| $no_unit = ($uom === ''); |
| // s - seconds (also us, ms) |
| ($uom === 's') || ($uom === 'ms') || ($uom === 'us') || |
| $seconds = ($uom === 's') || ($uom === 'ms') || ($uom === 'us'); |
| // % - percentage |
| ($uom === '%') || |
| $percentage = ($uom === '%'); |
| // B - bytes (also KB, MB, TB) |
| ($uom === 'B') || ($uom === 'KB') || ($uom === 'MB') || ($uom === 'GB') || ($uom === 'TB') || // NOTE: GB is not in the official development guidelines,probably due to an error, so I've added them anyway |
| // NOTE: GB is not in the official development guidelines,probably due to an error, so I've added them anyway |
| $bytes = ($uom === 'B') || ($uom === 'KB') || ($uom === 'MB') || ($uom === 'GB') || ($uom === 'TB'); |
| // c - a continous counter (such as bytes transmitted on an interface) |
| ($uom === 'c') |
| ); |
| $counter = ($uom === 'c'); |
| return ($no_unit || $seconds || $percentage || $bytes || $counter); |
| } |
| public function normalize($target=null) { |
| /trunk/plugins/disk_running/DiskRunningCheck.class.php |
|---|
| 1,25 → 1,25 |
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| A== |
| </ViaThinkSoftSignature> */ ?> |
| <?php |
| 102,20 → 102,20 |
| $this->setStatus(VNag::STATUS_CRITICAL); |
| $count_offline++; |
| } else { |
| $ioerr_file = "/sys/block/$disk/device/ioerr_cnt"; |
| if (file_exists($ioerr_file) && (($ioerr_cont = trim(file_get_contents($ioerr_file))) != '0x0')) { |
| $this->addVerboseMessage("$disk : High IOERR count ($ioerr_cont), but state is reported as $state", VNag::VERBOSITY_SUMMARY); |
| $this->setStatus(VNag::STATUS_WARNING); |
| $count_warning++; |
| } else { |
| #$ioerr_file = "/sys/block/$disk/device/ioerr_cnt"; |
| #if (file_exists($ioerr_file) && (($ioerr_cont = trim(file_get_contents($ioerr_file))) != '0x0')) { |
| # $this->addVerboseMessage("$disk : High IOERR count ($ioerr_cont), but state is reported as $state", VNag::VERBOSITY_SUMMARY); |
| # $this->setStatus(VNag::STATUS_WARNING); |
| # $count_warning++; |
| #} else { |
| $this->addVerboseMessage("$disk : $state", VNag::VERBOSITY_ADDITIONAL_INFORMATION); |
| $this->setStatus(VNag::STATUS_OK); // Note: This won't unset a previously set critical state |
| $count_running++; |
| #} |
| } |
| } |
| } |
| } |
| } |
| $this->setHeadline(sprintf('Checked %d disks (%d running, %d offline, %d warnings, %d unknown)', $count_total, $count_running, $count_offline, $count_warning, $count_unknown)); |
| } |