Hello all,
My thanks in advance to anybody with thoughts on this. I have a module in
which I would like two resources to be applied/refreshed based on the
change of their parent resource.
The code looks something like this:
exec {'assume_default_domain':
command => "${pbis_bin_path}/config AssumeDefaultDomain true",
subscribe => Exec['create_home_dir'],
refreshonly => true,
}
exec {'user_domain_prefix':
command => "${pbis_bin_path}/config UserDomainPrefix \"\" ",
subscribe => Exec['assume_default_domain'],
}
When running a 'puppet agent -tvd' I get the following:
Notice: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: Triggered
'refresh' from 1 events
Info: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: Scheduling
refresh of Exec[user_domain_prefix]
Debug: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: The container
Class[Pbis::Config] will propagate my refresh event
Debug: Exec[user_domain_prefix](provider=posix): Executing
'/opt/pbis/bin/config UserDomainPrefix "" '
Debug: Executing '/opt/pbis/bin/config UserDomainPrefix "" '
Notice: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]/returns:
executed successfully
Debug: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]: The container
Class[Pbis::Config] will propagate my refresh event
Debug: Exec[user_domain_prefix](provider=posix): Executing
'/opt/pbis/bin/config UserDomainPrefix "" '
Debug: Executing '/opt/pbis/bin/config UserDomainPrefix "" '
Notice: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]: Triggered
'refresh' from 1 events
Debug: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]: The container
Class[Pbis::Config] will propagate my refresh event
Debug: Class[Pbis::Config]: The container Stage[main] will propagate my
refresh event
Debug: Class[Pbis::Config]: The container Class[Pbis] will propagate my
refresh event
Debug: Class[Pbis]: The container Stage[main] will propagate my refresh
event
Debug: Finishing transaction 25871380
Debug: Storing state
Debug: Stored state in 0.06 seconds
As you can see, the 'user_domain_prefix' resource is firing twice and I'm
not sure why. If I change the resource and add a 'refreshonly', I get the
desired result (resource only being applied once):
exec {'user_domain_prefix':
command => "${pbis_bin_path}/config UserDomainPrefix \"\" ",
subscribe => Exec['assume_default_domain'],
refreshonly => true,
Notice: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: Triggered
'refresh' from 1 events
Info: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: Scheduling
refresh of Exec[user_domain_prefix]
Debug: /Stage[main]/Pbis::Config/Exec[assume_default_domain]: The container
Class[Pbis::Config] will propagate my refresh event
Debug: Exec[user_domain_prefix](provider=posix): Executing
'/opt/pbis/bin/config UserDomainPrefix "" '
Debug: Executing '/opt/pbis/bin/config UserDomainPrefix "" '
Notice: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]: Triggered
'refresh' from 1 events
Debug: /Stage[main]/Pbis::Config/Exec[user_domain_prefix]: The container
Class[Pbis::Config] will propagate my refresh event
Debug: Class[Pbis::Config]: The container Stage[main] will propagate my
refresh event
Debug: Class[Pbis::Config]: The container Class[Pbis] will propagate my
refresh event
Debug: Class[Pbis]: The container Stage[main] will propagate my refresh
event
Debug: Finishing transaction 29272600
Debug: Storing state
Debug: Stored state in 0.06 seconds
My understanding is that 'subscribe' will both create a dependency and will
require the refreshing of the dependent object, based on the subscribed
objects' state. I also understand 'refreshonly' to be a mechanism used
when a dependent object is changed (sounds almost the same as subscribe
except it doesn't create a dependency). Based on my example above, I would
expect 'subscribe' alone to satisfy my needs and I don't understand why I
get duplicate refresh events when something is simply 'subscribed' but only
one refresh event when a resource is set to both 'subscribe' and
'refreshonly'.
Would anybody have a quick explanation for this one?
Thanks again for your help in advance.
Cheers,
Mike
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