Hello,
I need to remove a large amount of hosts registered in Foreman using API
(curl) or hammer.
For exemple, I want to delete all hosts in the hostgroup "gce" where last
report is older that 2 days.
How can I manage this kind of request ?
note that my concerned hosts are all using a prefix like "gce-XXX".
thanks,
JonDC
A better dev can correct me if I'm wrong, but I don't believe this is
possible with hammer. You can write your own script that works with the
api, or alternatively you could use the irb shell for foreman to talk
directly with rails to remove the machines.
Hello,
I need to remove a large amount of hosts registered in Foreman using API
(curl) or hammer.
For exemple, I want to delete all hosts in the hostgroup “gce” where last
report is older that 2 days.How can I manage this kind of request ?
note that my concerned hosts are all using a prefix like “gce-XXX”.
thanks,
JonDC–
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You could even use hammer with one of the output formatters, and loop
over it.
Something like "hammer --csv host list --hostgroup GCE" would get you
the starting list of hosts to loop, then a call to this API (don't think
hammer has last-report):
'/api/v2/hosts/<host-fqdn>/reports/last' | json_pp | grep "reported_at"
would give you the last report date. You could compare those to $now and
then call "hammer host delete --name <host-fqdn>" if it's too old.
OR consider using the expire_hosts plugin, which if you're just
concerned about cleanin up old hosts, might be exactly what you want.
See https://github.com/theforeman/foreman_expire_hosts
Greg
Greg ++ as always with the save 
You could even use hammer with one of the output formatters, and loop
over it.Something like “hammer --csv host list --hostgroup GCE” would get you
the starting list of hosts to loop, then a call to this API (don’t think
hammer has last-report):‘/api/v2/hosts//reports/last’ | json_pp | grep “reported_at”
would give you the last report date. You could compare those to $now and
then call "hammer host delete --name " if it’s too old.OR consider using the expire_hosts plugin, which if you’re just
concerned about cleanin up old hosts, might be exactly what you want.
See https://github.com/theforeman/foreman_expire_hostsGreg
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I'll just add that you can do either
$ hammer --csv host list --search 'name ~ "gce*" and last_report > "2 days
ago"'
or
$ hammer --csv host list --search 'hostgroup = "gce" and last_report > "2
days ago"'
to get the list to iterate over. The --search argument is using same syntax
as the search field in hosts UI.
Martin
Greg ++ as always with the save
On Mon, Nov 13, 2017 at 8:59 AM Greg Sutcliffe greg@emeraldreverie.org > wrote:
You could even use hammer with one of the output formatters, and loop
over it.Something like “hammer --csv host list --hostgroup GCE” would get you
the starting list of hosts to loop, then a call to this API (don’t think
hammer has last-report):‘/api/v2/hosts//reports/last’ | json_pp | grep “reported_at”
would give you the last report date. You could compare those to $now and
then call "hammer host delete --name " if it’s too old.OR consider using the expire_hosts plugin, which if you’re just
concerned about cleanin up old hosts, might be exactly what you want.
See https://github.com/theforeman/foreman_expire_hostsGreg
–
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Thanks to all of you.
foreman_expire_hosts <https://github.com/theforeman/foreman_expire_hosts>
looks like to be what I am looking for except I can't succeed to add the
"expire date" on table host (I am running a foreman 11.1 and the purposed
method looks doens't regognize the VERSION variable).
The solution of Martin looks OK for me.
Thanks.
Jon