[ClusterLabs] Strange behavior every time I set VirtualDomain attribute

[Digimer]

On 03/08/15 09:29 PM, Andrew Beekhof wrote:
> 
>> On 26 Jun 2015, at 8:03 pm, Milos Buncic <htchak19 at gmail.com> wrote:
>>
>> Ok solution is 
>>
>> pcs resource unmanage testvm1
> 
> Right, because when you change the resource definition pacemaker restarts the service so the new values take effect

Is there a way to disable this behavior globally? I sometimes change XML
definition files with intentions to reboot/apply the changes later.
Would be something of an "oh crap" if it triggered a reboot of the guest.

>> pcs resource update testvm1 migration_transport=ssh
>> pcs resource cleanup testvm1
>> pcs resource manage testvm1
>>
>> Cheers 
>>
>> On Thu, Jun 25, 2015 at 11:03 PM, Milos Buncic <htchak19 at gmail.com> wrote:
>> Hi there,
>>
>> Every time I run (CentOS 6.6)
>>
>> pcs resource update testvm1 migration_transport=ssh 
>> or
>> pcs resource update testvm1 migration_transport=
>>
>> or when I try to set any VirtualDomain parameter, graceful shutdown is initiated! 
>>
>> Jun 25 21:59:56 node1 VirtualDomain(testvm1)[10876]: INFO: Issuing graceful shutdown request for domain testvm1.
>>
>> Can someone please explain me why this is happening?
>>
>> I'm using VirtualDomain resource agent downloaded from github
>> https://github.com/ClusterLabs/resource-agents/blob/master/heartbeat/VirtualDomain
>>
>>
>> VirtualDomain_Stop() {
>>         local i
>>         local status
>>         local shutdown_timeout
>>         local needshutdown=1
>>
>>         VirtualDomain_Status
>>         status=$?
>>
>>         case $status in
>>                 $OCF_SUCCESS)
>>                         if ocf_is_true $OCF_RESKEY_force_stop; then
>>                                 # if force stop, don't bother attempting graceful shutdown.
>>                                 force_stop
>>                                 return $?
>>                         fi
>>
>>                         ocf_log info "Issuing graceful shutdown request for domain ${DOMAIN_NAME}."
>>
>>                         if [ -n "$OCF_RESKEY_snapshot" ]; then
>>                                 virsh save $DOMAIN_NAME "$OCF_RESKEY_snapshot/${DOMAIN_NAME}.state"
>>                                 if [ $? -eq 0 ]; then
>>                                         needshutdown=0
>>                                 else
>>                                         ocf_log error "Failed to save snapshot state of ${DOMAIN_NAME} on stop"
>>                                 fi
>>                         fi
>>
>>                         # save config if needed
>>                         if ocf_is_true "$OCF_RESKEY_save_config_on_stop"; then
>>                                 save_config
>>                         fi
>>
>>                         # issue the shutdown if save state didn't shutdown for us
>>                         if [ $needshutdown -eq 1 ]; then
>>                                 # Issue a graceful shutdown request
>>                                 virsh $VIRSH_OPTIONS shutdown ${DOMAIN_NAME}
>>                         fi
>>
>>                         # The "shutdown_timeout" we use here is the operation
>>                         # timeout specified in the CIB, minus 5 seconds
>>                         shutdown_timeout=$(( $NOW + ($OCF_RESKEY_CRM_meta_timeout/1000) -5 ))
>>                         # Loop on status until we reach $shutdown_timeout
>>                         while [ $NOW -lt $shutdown_timeout ]; do
>>                                 VirtualDomain_Status
>>                                 status=$?
>>                                 case $status in
>>                                         $OCF_NOT_RUNNING)
>>                                                 # This was a graceful shutdown.
>>                                                 return $OCF_SUCCESS
>>                                         ;;
>>                                         $OCF_SUCCESS)
>>                                                 # Domain is still running, keep
>>                                                 # waiting (until shutdown_timeout
>>                                                 # expires)
>>                                                 sleep 1
>>                                                 ;;
>>                                         *)
>>                                                 # Something went wrong. Bail out and
>>                                                 # resort to forced stop (destroy).
>>                                                 break;
>>                                 esac
>>                                 NOW=$(date +%s)
>>                         done
>>                         ;;
>>                 $OCF_NOT_RUNNING)
>>                         ocf_log info "Domain $DOMAIN_NAME already stopped."
>>                         return $OCF_SUCCESS
>>         esac
>>
>>         # OK. Now if the above graceful shutdown hasn't worked, kill
>>         # off the domain with destroy. If that too does not work,
>>         # have the LRM time us out.
>>         force_stop
>> }
>>
>>
>> Thanks 
>>
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> 
> 
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> 


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Digimer
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