Unity plugin for Nagios.
Project description
nagios-unity
============
Nagios plugin for monitoring Unity system
``nagios-unity`` is built on top of ``storops``, which interacts with Unity storage via RESTful API. ``nagios-unity`` provides
an easy-to-use command line interface for invocation of nagios servers. ``nagios-unity`` follows the output rules defined
by `Print only one line of text <https://nagios-plugins.org/doc/guidelines.html#AEN33>`_
Installation
------------
>From Pypi
^^^^^^^^^
The ``nagios-unity`` can be install via pypi.
.. code-block:: bash
$ pip install nagios-unity
>From source
^^^^^^^^^^^
Alternatively, clone this repo via git and:
.. code-block:: bash
$ cd nagios-unity
$ sudo python setup.py install
Once installed, a ``nagios-unity`` (on *nux) or ``nagios-unity.exe`` (on Windows) command will be available for use.
Command line usage
------------------
User can invoke the command line ``nagios-unity`` in bash or CMD/PowerShell. To get the help, type ``nagios-unity --help``.
Here is the example:
.. code-block:: bash
$ nagios-unity --help
Unity plugin for Nagios.
Usage:
nagios-unity -H <HOST> -u <USERNAME> -p <PASSWORD> [--cacert <CACERT>] <OBJECT>
nagios-unity -h | --help
nagios-unity --version
Arguments:
OBJECT One of below values:
battery, dae, disk, dpe,
ethernet_port fan, fc_port,
io_module, lcc, lun, memory_module,
pool, power_supply, sas_port,
sp, ssc, ssd, system, array_hardware
Options:
-h --help Show this screen.
-V --version Show version.
-C --cacert <CACERT> Unity CA certificates.
-H --host <HOST> Unity IP address.
-u --username <USERNAME> Unity User login.
-p --password <PASSWORD> Unity password.
-v --verbose show verbose logs.
Examples:
nagios-unity -H 10.245.101.39 -u admin -p Password123! ssc
Available monitoring commands
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- **battery**
- **dae**
- **disk**
- **dpe**
- **ethernet_port**
- **fan**
- **fc_port**
- **io_module**
- **lcc**
- **lun**
- **memory_module**
- **pool**
- **power_supply**
- **sas_port**
- **sp**
- **ssc**
- **ssd**
- **system**
- **array_hardware**
**array_hardware** is a virtual command which combines a serial of hardware components of Unity.
Array health enum mapping
-------------------------
The nagios requires plugins to provide defined return codes for each periodic check, see `Plugin Return Codes <https://nagios-plugins.org/doc/guidelines.html#AEN78>`_ for more details.
This plugin will perform following mapping between the Unity health enum and nagios return codes:
+-------------------+--------------------+-----------------------+
| Unity Health Enum | Nagios Return Code | Nagios Service Status |
+-------------------+--------------------+-----------------------+
| OK | 0 | OK |
+-------------------+--------------------+-----------------------+
| OK_BUT | 0 | OK |
+-------------------+--------------------+-----------------------+
| DEGRADED | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| MINOR | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| MAJOR | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| CRITICAL | 2 | CRITICAL |
+-------------------+--------------------+-----------------------+
| NON_RECOVERABLE | 2 | CRITICAL |
+-------------------+--------------------+-----------------------+
| UNKNOWN | 3 | UNKNOWN |
+-------------------+--------------------+-----------------------+
Configuration
-------------
.. caution::
Before proceeding, make sure the nagios and its components are corrected configured.
It is also suggested to try out the ``nagios-unity`` command line.
- Create a template ``storage-array`` in ``templates.cfg``.
.. code-block:: ini
# Define a template for storage that we can reuse
define host{
name storage-array ; The name of this host template
use generic-host ; Inherit default values from the generic-host template
hostgroups storage-arrays ; Host groups that storage arrays should be a member of
check_period 24x7 ; By default, storage arrays are monitored round the clock
check_interval 5 ; Arrays are checked every 5 minutes
retry_interval 1 ; Schedule array check retries at 1 minute intervals
max_check_attempts 10 ; Check each array 10 times (max)
check_command check-host-alive ; Default command to check if arrays are "alive"
notification_period 24x7 ; Send notifications at any time
notification_interval 30 ; Resend notifications every 30 minutes
notification_options d,r ; Only send notifications for specific array states
contact_groups admins ; Notifications get sent to the admins by default
register 0 ; DONT REGISTER THIS - ITS JUST A TEMPLATE
}
- Create a dedicated ``storage.cfg`` for storing all storage arrays.
.. code-block:: ini
$ touch storage.cfg
- Add groups for grouping all storage devices in ``storage.cfg``
.. code-block:: ini
define hostgroup{
hostgroup_name storage-arrays
alias External Storage
}
- Add array for nagios management.
.. code-block:: ini
define host{
use storage-array
host_name OB_H1132 ; The name we're giving to this array
alias My Nagios Unity ; A longer name associated with the array
address 10.245.101.35 ; IP address of the Unity array
_user_name admin ; Customer variable for Unity user name
_password password ; Customer variable for Unity password
}
- Add command for nagios use in ``commands.cfg``.
.. code-block:: ini
# for unity
define command{
command_name nagios-unity
command_line /usr/local/bin/nagios-unity -H $HOSTADDRESS$ -u $_HOSTUSER_NAME$ -p $_HOSTPASSWORD$ $ARG1$
}
Note: ``_HOST`` prefix is prepended by nagios, see `custom object vars <https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/customobjectvars.html>`_.
- Add services for managed arrays.
.. code-block:: ini
define service{
use generic-service
host_name OB_H1132
service_description Ethernet Ports
check_command nagios-unity!ethernet_port
}
define service{
use generic-service
host_name OB_H1132
service_description FC Ports
check_command nagios-unity!fc_port
}
define service{
use generic-service
host_name OB_H1132
service_description SAS Ports
check_command nagios-unity!sas_port
}
For a full list of available commands, check it out `Available monitoring commands`_
- Restart nagios to reflect the changes.
.. code-block:: ini
$ sudo service nagios restart
SSL consideration
^^^^^^^^^^^^^^^^^
Unity supports SSL via RESTful API, administartor can setup their own CA for SSL verification.
``nagios-unity`` also leverages the capability of RESTful API, and provides a ``-C`` option for SSL verification.
To do this:
- First add the ``-C <path/file to CA>`` to the ``commands.cfg``
.. code-block:: ini
# for unity
define command{
command_name nagios-unity
command_line /usr/local/bin/nagios-unity -H $HOSTADDRESS$ -u $_HOSTUSER_NAME$ -p $_HOSTPASSWORD$ -C $_HOSTCACERT $ARG1$
}
- Then supply ``_cacert`` option in the ``storage.cfg``.
.. code-block:: ini
define host{
use storage-array
host_name OB_H1132 ; The name we're giving to this array
alias My Nagios Unity ; A longer name associated with the array
address 10.245.101.35 ; IP address of the Unity array
_user_name admin ; Customer variable for Unity user name
_password password ; Customer variable for Unity password
_cacert /path/to/CA ; Customer variable for Unity CA certificate
}
- Restart nagios service to reflect the changes.
Contributions
-------------
Simply fork this repo and send PR for your code change(also tests to cover your change),
remember to give a title and description of your PR. We are willing to enhance this project with you :).
License
-------
`Apache license version 2 <LICENSE>`_
============
Nagios plugin for monitoring Unity system
``nagios-unity`` is built on top of ``storops``, which interacts with Unity storage via RESTful API. ``nagios-unity`` provides
an easy-to-use command line interface for invocation of nagios servers. ``nagios-unity`` follows the output rules defined
by `Print only one line of text <https://nagios-plugins.org/doc/guidelines.html#AEN33>`_
Installation
------------
>From Pypi
^^^^^^^^^
The ``nagios-unity`` can be install via pypi.
.. code-block:: bash
$ pip install nagios-unity
>From source
^^^^^^^^^^^
Alternatively, clone this repo via git and:
.. code-block:: bash
$ cd nagios-unity
$ sudo python setup.py install
Once installed, a ``nagios-unity`` (on *nux) or ``nagios-unity.exe`` (on Windows) command will be available for use.
Command line usage
------------------
User can invoke the command line ``nagios-unity`` in bash or CMD/PowerShell. To get the help, type ``nagios-unity --help``.
Here is the example:
.. code-block:: bash
$ nagios-unity --help
Unity plugin for Nagios.
Usage:
nagios-unity -H <HOST> -u <USERNAME> -p <PASSWORD> [--cacert <CACERT>] <OBJECT>
nagios-unity -h | --help
nagios-unity --version
Arguments:
OBJECT One of below values:
battery, dae, disk, dpe,
ethernet_port fan, fc_port,
io_module, lcc, lun, memory_module,
pool, power_supply, sas_port,
sp, ssc, ssd, system, array_hardware
Options:
-h --help Show this screen.
-V --version Show version.
-C --cacert <CACERT> Unity CA certificates.
-H --host <HOST> Unity IP address.
-u --username <USERNAME> Unity User login.
-p --password <PASSWORD> Unity password.
-v --verbose show verbose logs.
Examples:
nagios-unity -H 10.245.101.39 -u admin -p Password123! ssc
Available monitoring commands
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- **battery**
- **dae**
- **disk**
- **dpe**
- **ethernet_port**
- **fan**
- **fc_port**
- **io_module**
- **lcc**
- **lun**
- **memory_module**
- **pool**
- **power_supply**
- **sas_port**
- **sp**
- **ssc**
- **ssd**
- **system**
- **array_hardware**
**array_hardware** is a virtual command which combines a serial of hardware components of Unity.
Array health enum mapping
-------------------------
The nagios requires plugins to provide defined return codes for each periodic check, see `Plugin Return Codes <https://nagios-plugins.org/doc/guidelines.html#AEN78>`_ for more details.
This plugin will perform following mapping between the Unity health enum and nagios return codes:
+-------------------+--------------------+-----------------------+
| Unity Health Enum | Nagios Return Code | Nagios Service Status |
+-------------------+--------------------+-----------------------+
| OK | 0 | OK |
+-------------------+--------------------+-----------------------+
| OK_BUT | 0 | OK |
+-------------------+--------------------+-----------------------+
| DEGRADED | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| MINOR | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| MAJOR | 1 | WARNING |
+-------------------+--------------------+-----------------------+
| CRITICAL | 2 | CRITICAL |
+-------------------+--------------------+-----------------------+
| NON_RECOVERABLE | 2 | CRITICAL |
+-------------------+--------------------+-----------------------+
| UNKNOWN | 3 | UNKNOWN |
+-------------------+--------------------+-----------------------+
Configuration
-------------
.. caution::
Before proceeding, make sure the nagios and its components are corrected configured.
It is also suggested to try out the ``nagios-unity`` command line.
- Create a template ``storage-array`` in ``templates.cfg``.
.. code-block:: ini
# Define a template for storage that we can reuse
define host{
name storage-array ; The name of this host template
use generic-host ; Inherit default values from the generic-host template
hostgroups storage-arrays ; Host groups that storage arrays should be a member of
check_period 24x7 ; By default, storage arrays are monitored round the clock
check_interval 5 ; Arrays are checked every 5 minutes
retry_interval 1 ; Schedule array check retries at 1 minute intervals
max_check_attempts 10 ; Check each array 10 times (max)
check_command check-host-alive ; Default command to check if arrays are "alive"
notification_period 24x7 ; Send notifications at any time
notification_interval 30 ; Resend notifications every 30 minutes
notification_options d,r ; Only send notifications for specific array states
contact_groups admins ; Notifications get sent to the admins by default
register 0 ; DONT REGISTER THIS - ITS JUST A TEMPLATE
}
- Create a dedicated ``storage.cfg`` for storing all storage arrays.
.. code-block:: ini
$ touch storage.cfg
- Add groups for grouping all storage devices in ``storage.cfg``
.. code-block:: ini
define hostgroup{
hostgroup_name storage-arrays
alias External Storage
}
- Add array for nagios management.
.. code-block:: ini
define host{
use storage-array
host_name OB_H1132 ; The name we're giving to this array
alias My Nagios Unity ; A longer name associated with the array
address 10.245.101.35 ; IP address of the Unity array
_user_name admin ; Customer variable for Unity user name
_password password ; Customer variable for Unity password
}
- Add command for nagios use in ``commands.cfg``.
.. code-block:: ini
# for unity
define command{
command_name nagios-unity
command_line /usr/local/bin/nagios-unity -H $HOSTADDRESS$ -u $_HOSTUSER_NAME$ -p $_HOSTPASSWORD$ $ARG1$
}
Note: ``_HOST`` prefix is prepended by nagios, see `custom object vars <https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/3/en/customobjectvars.html>`_.
- Add services for managed arrays.
.. code-block:: ini
define service{
use generic-service
host_name OB_H1132
service_description Ethernet Ports
check_command nagios-unity!ethernet_port
}
define service{
use generic-service
host_name OB_H1132
service_description FC Ports
check_command nagios-unity!fc_port
}
define service{
use generic-service
host_name OB_H1132
service_description SAS Ports
check_command nagios-unity!sas_port
}
For a full list of available commands, check it out `Available monitoring commands`_
- Restart nagios to reflect the changes.
.. code-block:: ini
$ sudo service nagios restart
SSL consideration
^^^^^^^^^^^^^^^^^
Unity supports SSL via RESTful API, administartor can setup their own CA for SSL verification.
``nagios-unity`` also leverages the capability of RESTful API, and provides a ``-C`` option for SSL verification.
To do this:
- First add the ``-C <path/file to CA>`` to the ``commands.cfg``
.. code-block:: ini
# for unity
define command{
command_name nagios-unity
command_line /usr/local/bin/nagios-unity -H $HOSTADDRESS$ -u $_HOSTUSER_NAME$ -p $_HOSTPASSWORD$ -C $_HOSTCACERT $ARG1$
}
- Then supply ``_cacert`` option in the ``storage.cfg``.
.. code-block:: ini
define host{
use storage-array
host_name OB_H1132 ; The name we're giving to this array
alias My Nagios Unity ; A longer name associated with the array
address 10.245.101.35 ; IP address of the Unity array
_user_name admin ; Customer variable for Unity user name
_password password ; Customer variable for Unity password
_cacert /path/to/CA ; Customer variable for Unity CA certificate
}
- Restart nagios service to reflect the changes.
Contributions
-------------
Simply fork this repo and send PR for your code change(also tests to cover your change),
remember to give a title and description of your PR. We are willing to enhance this project with you :).
License
-------
`Apache license version 2 <LICENSE>`_
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