[Pacemaker] Operation attribute change leads to resource restart

[Vladislav Bogdanov]

14.11.2014 17:36, David Vossel пишет:
> 
> 
> ----- Original Message -----
>> Hi!
>>
>> Just noticed that deletion of a trace_ra op attribute forces resource
>> to be restarted (that RA does not support reload).
>>
>> Logs show:
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_process_request:
>> Forwarding cib_apply_diff operation for section 'all' to master
>> (origin=local/cibadmin/2)
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     Diff:
>> --- 0.641.96 2
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     Diff:
>> +++ 0.643.0 98ecbda94c7e87250cf2262bf89f43e8
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     --
>> /cib/configuration/resources/clone[@id='cl-test-instance']/primitive[@id='test-instance']/operations/op[@id='test-instance-start-0']/instance_attributes[@id='test-instance-start-0-instance_attributes']
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_perform_op:     +
>> /cib:  @epoch=643, @num_updates=0
>> Nov 13 09:06:05 [6633] node01        cib:     info: cib_process_request:
>> Completed cib_apply_diff operation for section 'all': OK (rc=0,
>> origin=node01/cibadmin/2, version=0.643.0)
>> Nov 13 09:06:05 [6638] node01       crmd:     info: abort_transition_graph:
>> Transition aborted by deletion of
>> instance_attributes[@id='test-instance-start-0-instance_attributes']:
>> Non-status change (cib=0.643.0, source=te_update_diff:383,
>> path=/cib/configuration/resources/clone[@id='cl-test-instance']/primitive[@id='test-instance']/operations/op[@id='test-instance-start-0']/instance_attributes[@id='test-instance-start-0-instance_attributes'],
>> 1)
>> Nov 13 09:06:05 [6638] node01       crmd:   notice: do_state_transition:
>> State transition S_IDLE -> S_POLICY_ENGINE [ input=I_PE_CALC
>> cause=C_FSA_INTERNAL origin=abort_transition_graph]
>> Nov 13 09:06:05 [6634] node01 stonith-ng:     info: xml_apply_patchset:
>> v2 digest mis-match: expected 98ecbda94c7e87250cf2262bf89f43e8,
>> calculated 0b344571f3e1bb852e3d10ca23183688
>> Nov 13 09:06:05 [6634] node01 stonith-ng:   notice: update_cib_cache_cb:
>> [cib_diff_notify] Patch aborted: Application of an update diff failed
>> (-206)
>> ...
>> Nov 13 09:06:05 [6637] node01    pengine:     info: check_action_definition:
>> params:reload   <parameters boot_directory="/var/lib/libvirt/boot"
>> config_uri="http://192.168.168.10:8080/cgi-bin/manage_config.cgi?action=%a&resource=%n&instance=%i"
>> start_vm="1" vlan_id_start="2" per_vlan_ip_prefix_len="24"
>> base_img="http://192.168.168.10:8080/pre45-mguard-virt.x86_64.default.qcow2"
>> pool_name="default" outer_phy="eth0" ip_range_prefix="10.101.0.0/16"/>
>> Nov 13 09:06:05 [6637] node01    pengine:     info: check_action_definition:
>> Parameters to test-instance:0_start_0 on rnode001 changed: was
>> 6f9eb6bd1f87a2b9b542c31cf1b9c57e vs. now 02256597297dbb42aadc55d8d94e8c7f
>> (reload:3.0.9) 0:0;41:3:0:95e66b6a-a190-4e61-83a7-47165fb0105d
>> ...
>> Nov 13 09:06:05 [6637] node01    pengine:   notice: LogActions:     Restart
>> test-instance:0 (Started rnode001)
>>
>> That is not what I'd expect to see.
> 
> Any time an instance attribute is changed for a resource, the resource is restarted/reloaded.
> This is expected.

May be it makes sense to handle very special 'trace_ra' attribute in a
special way?

> 
> -- Vossel
> 
>> Is it intended or just a minor bug(s)?
>>
>> Best,
>> Vladislav
>>
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> 
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