[Pkg-nagios-devel] Bug#796455: automatic inventory checks of what?

Václav Ovsík vaclav.ovsik at gmail.com
Fri Jun 10 16:01:17 UTC 2016

Hi Matt,
I'm not certain about what inventory you write this wishlist, there are
at least two meaning:

 1) inventory of service checks
    The URL you mentioned
    is about this.

 2) HW/SW inventory - that is information from dmidecode, operating
    system, packages installed...
    - the agent plugin mk_inventory does this on monitored host
    - on monitoring system this must be configured to process data
      using code from /usr/share/check_mk/inventory.
    upstream describe it at https://mathias-kettner.com/checkmk_inv.html

ad agent load:
	- the problem is, that mk_inventory.linux plugin assumes
	  existence of directory /var/lib/check_mk_agent, which is not
	  instantiated by deb package. The plugin can't create timestamp
	  file there and is run everytime the agent is run.
	- plugin should be pathed to do
	      mkdir -p $MK_VARDIR
	- deb pkg check-mk-agent should create /var/lib/check_mk_agent?
	- with existing timestamp file, the inventory is created only
	  onetime in four hours

without WATO on monitoring system you must define active check, that
will transform received data from /var/lib/check_mk/persisted into
/var/lib/check_mk/inventory in regular intervals.
I did this now main.mk using:

    active_checks['cmk_inv'] = []
    # HW/SW Inventory
    extra_service_conf['check_interval'] += [
	( 120, [], ALL_HOSTS, ['Check_MK HW/SW Inventory$'] ),
    extra_service_conf['retry_interval'] += [
        ( 120, [], ALL_HOSTS, ['Check_MK HW/SW Inventory$'] ),

    # HW/SW Inventory
    active_checks['cmk_inv'] += [
	( None, [], ['foo.example.com'] ),

I don't think this should be in different package.

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