[Pacemaker] Question about multiple instance_attributes

[Kazunori INOUE]

2015-04-10 15:09 GMT+09:00 Andrei Borzenkov <arvidjaar at gmail.com>:
> On Fri, Apr 10, 2015 at 8:22 AM, Kazunori INOUE
> <kazunori.inoue3 at gmail.com> wrote:
>> Hi,
>>
>> I defined multiple instance_attributes [*].
>>  * http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html/Pacemaker_Explained/_using_rules_to_control_resource_options.html
>> Although it expected that start_opt="-p 5441 ..." would be used on vm1
>> and vm2, it wasn't so.
>>
>> # pacemakerd -F
>> Pacemaker 1.1.12 (Build: 3e93bc1)
>>
>> # cibadmin -Q
>>     <primitive id="prmPostgreSQLDB" class="ocf" provider="heartbeat"
>> type="pgsql">
>>       <instance_attributes id="prmPostgreSQLDB-instance_attributes">
>>         <rule score="3" boolean-op="or"
>> id="prmPostgreSQLDB-instance_attributes-rule">
>>           <expression attribute="#uname" operation="eq" value="vm1"
>> id="prmPostgreSQLDB-instance_attributes-rule-expression"/>
>>           <expression attribute="#uname" operation="eq" value="vm2"
>> id="prmPostgreSQLDB-instance_attributes-rule-expression-0"/>
>>         </rule>
>>         <nvpair name="start_opt" value="-p 5441 -h 192.168.201.140"
>> id="prmPostgreSQLDB-instance_attributes-start_opt"/>
>>         <nvpair name="pgport" value="5441"
>> id="prmPostgreSQLDB-instance_attributes-pgport"/>
>>       </instance_attributes>
>>       <instance_attributes id="prmPostgreSQLDB-instance_attributes-0">
>>         <nvpair name="start_opt" value="-p 5449 -h 192.168.201.140"
>> id="prmPostgreSQLDB-instance_attributes-0-start_opt"/>
>>         <nvpair name="pgport" value="5449"
>> id="prmPostgreSQLDB-instance_attributes-0-pgport"/>
>>       (snip)
>>
>> # hostname
>> vm1
>> # ps -ax | grep postgres
>> 28591 ?    S    0:00 /usr/pgsql-9.4/bin/postgres (snip) -p 5449 -h
>> 192.168.201.140
>>
>> Is it a design that boolean-op of "rule" doesn't function?
>>
>
> I suspect that your second rule is simply unconditionally applied
> because it does not have any rules to evaluate.
>
That is, is 'boolean-op="or"' invalid?

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