Werk #5769: site_object_counts: New check which collects information about the amount of different host types or used check commands of OMD sites

To make this check work please install the {{mk_site_object_counts}} agent plugin and specify host tags or check commands within the {{site_object_counts.cfg}} configration file. The following options are available:

The agent plugin is executed if and only if OMD is installed and there's a configuration file. Sites which provide an opened Livestatus socket {/omd/sites/$SITENAME/tmp/run/live} are taken into account.

Without the restrictive option {SITES} all sites on that server are considered which satisfy above conditions.

If more than one value is assigned they have to be separated by one space, eg.

• {TAGS=prod snmp}
• {SERVICE_CHECK_COMMANDS_sitename=kernel lnx_if}

H3:Example 1

site_object_counts.cfg

TAGS=snmp
SERVICE_CHECK_COMMANDS=if

With this configuration the agent plugin returns the amount of all SNMP hosts and the amount of all interface services of the type {if} of all sites.

H3:Example 2

site_object_counts.cfg

SITES=site_a site_b
TAGS=snmp
SERVICE_CHECK_COMMANDS=if

With this configuration the agent plugin returns the amount of all SNMP hosts and the amount of all interface services of the type {if} of the sites {site_a} and {site_b}.

H3:Example 3

site_object_counts.cfg

TAGS_site_a=snmp
SERVICE_CHECK_COMMANDS_site_a=if
TAGS_site_b=agent
SERVICE_CHECK_COMMANDS_site_b=lnx_if

With this configuration the agent plugin returns

• the amount of all SNMP hosts and the amount of all interface services of the type {if} of the site {site_a} and
• the amount of all agent-based hosts and the amount of all Linux interface services of the type {lnx_if} of the site {site_b}.

H3:Example 4

site_object_counts.cfg

TAGS=prod
SERVICE_CHECK_COMMANDS=omd_apache omd_status
TAGS_site_a=snmp
SERVICE_CHECK_COMMANDS_site_a=if
TAGS_site_b=agent
SERVICE_CHECK_COMMANDS_site_b=lnx_if

With this configuration the agent plugin returns

• the amount of all productive hosts and services of type {omd_apache} and {omd_status} of all sites.
• additionaly the amount of all SNMP hosts and the amount of all interface services of the type {if} of the site {site_a} and
• additionaly the amount of all agent-based hosts and the amount of all Linux interface services of the type {lnx_if} of the site {site_b}.

H3:Example 5

site_object_counts.cfg

SITES=site_a site_b site_c
TAGS=prod
SERVICE_CHECK_COMMANDS=omd_apache omd_status
TAGS_site_a=snmp
SERVICE_CHECK_COMMANDS_site_a=if
TAGS_site_b=agent
SERVICE_CHECK_COMMANDS_site_b=lnx_if

With this configuration the agent plugin returns

• the amount of all productive hosts and services of type {omd_apache} and {omd_status} of the sites {site_a}, {site_b} and {site_c}.
• additionaly the amount of all SNMP hosts and the amount of all interface services of the type {if} of the site {site_a} and
• additionaly the amount of all agent-based hosts and the amount of all Linux interface services of the type {lnx_if} of the site {site_b}.

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