PRODUCT set a product; known product keys are listed below
VERSION set a version.
Autodetection:
There is a special handling vor version "detect".
You can set "os" as product to detect the (linux) distribution.
See examples below.
#### Options
-c set critical limit; default 90
-w set warning limit; default 365
### Examples
``check_eol php 7.4``
Show end of life for given php version 7.4
``check_eol -w 100 -c 30 php 7.4``
Add custom critical and warning limits
``check_eol os detect``
Show end of life for current linux os. The distribution and the major version will be detected.
``check_eol php detect``
Show the end of life for the detected php version
### Extend/ customize
The check is build to be customizable. You can add
* add your own end of life dates
* version detection for other products
#### End of life dates
The dates are defined in the files *check_eol-*.cfg*.
Those contain lines with parsed information that must start at the begin of line:
*``[Key]:[version]:[Date as YYYY-MM-DD]:[COMMENT]``
* Key: name of the product in lowercase, i.e. "php", "centos"
* Version: version number, i.e. a major version i.e. "12" for Node or "7.4" for PHP
* Date as YYYY-MM-DD
* Comment: this is optional
*``[Key]:METADATA for a product (can be multiline)``
* This type is completely optional. You can use it to show general (version indepenendent) product infos. It will be shown as additional text for each version of a product
Al other lines, like empty lines, lines starting with special characters are ignored. I use the hash to mark comments.
Snippet:
# --------------------------------------------
centos:The CentOS Project
centos:website https://www.centos.org/
# --------------------------------------------
centos:6:2020-11-30
centos:7:2024-06-30
centos:8:2029-05-31
Example output:
$ check_eol centos 7
OK [centos 7] ends on 2024-06-30 ... 1586 days left
The CentOS Project
website https://www.centos.org/
Limit Info: warn below 365 days; critical below 90 days
#### Files
* check_eol-data/os.cfg - contains eol dates for debian, centos, ubuntu
You can add your custom products and dates - it just must match *check_eol-*.cfg*. You should use a custom file name that does not conflict with delivered files.
If you use ``check_eol [product] [version]`` with an already known version in your monitoring check then the search for an eol date is done directly in the *cfg files (see above).
If you wan to let detect the version use the keyword *detect* next to a product i.e. ``check_eol php detect``.
What happens is is uses a detection for the version number. Therefor it calls a script named *check_eol-versiondetect/detect-[PRODUCT]* - in our example for php ist is *check_eol-versiondetect/detect-php*.
The scripts *check_eol-versiondetect/detect-[PRODUCT]* must return just a major version - or major and minor version without any other text.
You can add your own scripts for other non existing products. The only rule is: it must output the version only. Your [PRODUCT] and the returned version will be scanned in *check_eol-*.cfg* to perform the eol check.
