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1 | <?php /* <ViaThinkSoftSignature> |
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| 23 | w== |
23 | Q== |
| 24 | </ViaThinkSoftSignature> */ ?> |
24 | </ViaThinkSoftSignature> */ ?> |
| 25 | <?php |
25 | <?php |
| 26 | 26 | ||
| 27 | /* |
27 | /* |
| 28 | 28 | ||
| Line 276... | Line 276... | ||
| 276 | We will intentionally NOT follow the following guidelines: |
276 | We will intentionally NOT follow the following guidelines: |
| 277 | - https://nagios-plugins.org/doc/guidelines.html#AEN256 (Don't be tricked into following symlinks) |
277 | - https://nagios-plugins.org/doc/guidelines.html#AEN256 (Don't be tricked into following symlinks) |
| 278 | Reason: We believe that this guideline is contraproductive. |
278 | Reason: We believe that this guideline is contraproductive. |
| 279 | Nagios plugins usually run as user 'nagios'. It is the task of the system administrator |
279 | Nagios plugins usually run as user 'nagios'. It is the task of the system administrator |
| 280 | to ensure that the user 'nagios' must not read/write to files which are not intended |
280 | to ensure that the user 'nagios' must not read/write to files which are not intended |
| 281 | for access by the Nagios service. Instead, symlinks are useful for several tasks. |
281 | for access by the Nagios service. Symlinks, on the other hand, are useful for several tasks. |
| 282 | See also http://stackoverflow.com/questions/27112949/nagios-plugins-why-not-following-symlinks |
282 | See also https://stackoverflow.com/questions/27112949/nagios-plugins-why-not-following-symlinks |
| 283 | 283 | ||
| 284 | VNag over HTTP: |
284 | VNag over HTTP: |
| 285 | 285 | ||
| 286 | A script that uses the VNag framework can run as CLI script (normal Nagios plugin) or as web site (or both). |
286 | A script that uses the VNag framework can run as CLI script (normal Nagios plugin) or as web site (or both). |
| 287 | Having the script run as website, you can include a Nagios information combined with a human friendly HTML output which can |
287 | Having the script run as website, you can include a Nagios information combined with a human friendly HTML output which can |
| Line 345... | Line 345... | ||
| 345 | // Returns true for '' or null. Does not return true for value 0 or '0' (like empty() does) |
345 | // Returns true for '' or null. Does not return true for value 0 or '0' (like empty() does) |
| 346 | return is_null($x) || (trim($x) == ''); |
346 | return is_null($x) || (trim($x) == ''); |
| 347 | } |
347 | } |
| 348 | 348 | ||
| 349 | abstract class VNag { |
349 | abstract class VNag { |
| 350 | /*public*/ const VNAG_VERSION = '2022-12-18'; |
350 | /*public*/ const VNAG_VERSION = '2023-09-11'; |
| 351 | 351 | ||
| 352 | // Status 0..3 for STATUSMODEL_SERVICE (the default status model): |
352 | // Status 0..3 for STATUSMODEL_SERVICE (the default status model): |
| 353 | # 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." |
353 | # 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." |
| 354 | # We choose 4 as exitcode. The plugin developer is free to return any other status. |
354 | # We choose 4 as exitcode. The plugin developer is free to return any other status. |
| 355 | /*public*/ const STATUS_OK = 0; |
355 | /*public*/ const STATUS_OK = 0; |