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README.rst

Alignak checks package example

This project is an example and a how-to to help building a checks pack for Alignak monitoring framework.

Join the chat #alignak on freenode.net License AGPL v3

Packaging

Repositories

All Alignak packs are stored in their own repository in the Alignak monitoring contrib Github organization. For creating a new checks pack, it needs to create a new repository in this organization. Contact us on the IRC channel or send an email to discuss the matter ;)

Design and principles

Each pack aims to provide all the necessary elements in the Alignak configuration to monitor hosts and/or services.

Each pack includes the checks commands definitions, services templates, hosts templates, ...

It is even possible to include the monitoring plugins that will be run by Alignak to check an host/service.

Usually, the packs are only made of configuration files using the most common monitoring plugins available from the Nagios community.

The pack files are to be made available in the monitoring objects configuration directory and provide configuration utilities for the end-user:

  • hosts templates: the host "use" the pack features
  • services templates: the service "use" the pack features
  • ...

The proposed structure to build a pack:

  • all the checks packs are named as alignak_checks_EXAMPLE
  • the EXAMPLE repository is named as alignak-checks-EXAMPLE
  • the EXAMPLE repository includes the following files:
    • README.rst
    • LICENCE (optional)
    • AUTHORS (optional)
    • setup.py
    • version.py
  • the EXAMPLE repository includes an alignak_checks_EXAMPLE directory containing the pack configuration files
  • the files/folders in alignak_checks_EXAMPLE/etc directory will be copied to the Alignak etc directory
  • the files/folders in alignak_checks_EXAMPLE/libexec directory will be copied to the Alignak libexec directory

Repository example

Repository directories and files example:

README.rst
LICENCE
AUTHORS
requirements.txt
setup.py
version.py

alignak_checks_EXAMPLE/
    arbiter/
        packs/
            resource.d/
                EXAMPLE.cfg
        EXAMPLE/
            templates.cfg
            services.cfg
            groups.cfg
            commands.cfg
    etc/
        test.cfg
    plugins/
        sub/
            plugin.conf
        plugin.py

The content of the directory alignak_checks_EXAMPLE/etc (including files and sub directories) will be copied to /usr/local/var/etc/alignak.

The content of the directory alignak_checks_EXAMPLE/plugins (including sub directories) will be copied to /usr/local/var/libexec/alignak.

Building

To build a new package EXAMPLE2:

  • create a new alignak-checks-EXAMPLE2 repository which is a copy of this repository

    • rename the alignak_checks_EXAMPLE directory to alignak_checks_EXAMPLE2
  • update the version.py file

    • edit the __pkg_name__ and the checks_type variables (at minimum)
  • update the MANIFEST.in file

    • rename the alignak_checks_EXAMPLE directory to alignak_checks_EXAMPLE2
  • update the README.rst file

    • remove this section Packaging
    • search and replace EXAMPLE with EXAMPLE2
    • update and extend the Documentation chapter
  • update the alignak_checks_EXAMPLE2/version.py file with all the package information

    • __checks_type__ will be used to complete the keywords in PyPI and as the sub-directory to store the pack's files
    • the file docstring will be used as the package description in PyPI
  • update the setup.py file (not recommended)

    • setup.py should not be modified for most of the packs ... if necessary, do it with much care!

And that's it!

Then, to build and make your package available to the community, you must use the standard Python setuptools:

  • run setup.py register -r pypi to register the new package near PyPI
  • run setup.py sdist -r pypi to build the package
  • run sudo pip install . -e to make the package installed locally (development mode)
  • run sudo pip uninstall -v . -e to remove the development mode
  • run sudo pip install . -v to make the package installed locally
  • run sudo pip uninstall -v alignak_checks_EXAMPLE to uninstall the package

When your package is ready and functional:

  • run python setup.py sdist upload -r pypi to upload the package to PyPI repository.

Note: every time you upload a package to PyPI you will need to change the package version in the alignak_checks_EXAMPLE2/__init.py__ file. You can make some tests with the -r pypitest ;)

Under this line, keep the content for the new built package. Remove the former Packaging section of this document.

Installation

The pack configuration files are to be copied to the monitoring objects configuration directory. The most suitable location is the arbiter/packs/ directory in the main alignak configuration directory.

Note: The main Alignak configuration directory is usually /usr/local/etc/alignak or /etc/alignak but it may depend upon your system and/or your installation.

The pack plugins (if any ...) are to be copied to the executable libraries directories.

Note: The Alignak librairies directory is usually /usr/local/var/libexec/alignak but it may depend upon your system and/or your installation.

From PyPI

To install the package from PyPI:

sudo pip install alignak-checks-EXAMPLE

From source files

To install the package from the source files:

git clone https://github.com/Alignak-monitoring-contrib/alignak-checks-EXAMPLE
cd alignak-checks-EXAMPLE
sudo pip install .

Note: using `sudo python setup.py install` will not correctly manage the package configuration files! The recommended way is really to use `pip`;)

Documentation

To be updated/completed!

Checks packs dependencies / installation

If needed...

Configuration

Explain what is configurable in this checks pack.

Edit the /usr/local/etc/alignak/arbiter/packs/EXAMPLE/resources.cfg file and configure ... bla,bla...

#-- Configurable macro
$PACK_MACRO$=qsdqsdqsd

Prepare host

Some operations are necessary on the monitored hosts if SNMP remote access is not yet activated.

# Install local SNMP agent

Alignak configuration

You simply have to tag the concerned hosts with the template EXAMPLE.

define host{
    use                     EXAMPLE
    host_name               my_host
    address                 127.0.0.1
}

Bugs, issues and contributing

Contributions to this project are welcome and encouraged ... issues in the project repository are the common way to raise an information.

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