[Pacemaker] again "return code", now in crm_attribute
Andrey Groshev
greenx at yandex.ru
Mon Jan 13 04:33:56 EST 2014
13.01.2014, 02:51, "Andrew Beekhof" <andrew at beekhof.net>:
> On 10 Jan 2014, at 6:18 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>
>> 10.01.2014, 10:15, "Andrew Beekhof" <andrew at beekhof.net>:
>>> On 10 Jan 2014, at 4:38 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>> 10.01.2014, 09:06, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>> On 10 Jan 2014, at 3:51 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>> 10.01.2014, 03:28, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>>>> On 9 Jan 2014, at 4:44 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>>>> 09.01.2014, 02:39, "Andrew Beekhof" <andrew at beekhof.net>:
>>>>>>>>> On 18 Dec 2013, at 11:55 pm, Andrey Groshev <greenx at yandex.ru> wrote:
>>>>>>>>>> Hi, Andrew and ALL.
>>>>>>>>>>
>>>>>>>>>> I'm sorry, but I again found an error. :)
>>>>>>>>>> Crux of the problem:
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --query; echo $?
>>>>>>>>>> scope=crm_config name=stonith-enabled value=true
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --update firstval ; echo $?
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --query; echo $?
>>>>>>>>>> scope=crm_config name=stonith-enabled value=firstval
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --update secondval --lifetime=reboot ; echo $?
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --query; echo $?
>>>>>>>>>> scope=crm_config name=stonith-enabled value=firstval
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --update thirdval --lifetime=forever ; echo $?
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --query; echo $?
>>>>>>>>>> scope=crm_config name=stonith-enabled value=firstval
>>>>>>>>>> 0
>>>>>>>>>>
>>>>>>>>>> Ie if specify the lifetime of an attribute, then a attribure is not updated.
>>>>>>>>>>
>>>>>>>>>> If impossible setup the lifetime of the attribute when it is installing, it must be return an error.
>>>>>>>>> Agreed. I'll reproduce and get back to you.
>>>>>>>> How, I was able to review code, problem comes when used both options "--type" and options "--lifetime".
>>>>>>>> One variant in "case" without break;
>>>>>>>> Unfortunately, I did not have time to dive into the logic.
>>>>>>> Actually, the logic is correct. The command:
>>>>>>>
>>>>>>> # crm_attribute --type crm_config --attr-name stonith-enabled --update secondval --lifetime=reboot ; echo $?
>>>>>>>
>>>>>>> is invalid. You only get to specify --type OR --lifetime, not both.
>>>>>>> By specifying --lifetime, you're creating a node attribute, not a cluster proprerty.
>>>>>> With this, I do not argue. I think that should be the exit code is NOT ZERO, ie it's error!
>>>>> No, its setting a value, just not where you thought (or where you're looking for it in the next command).
>>>>>
>>>>> Its the same as writing:
>>>>>
>>>>> crm_attribute --type crm_config --type status --attr-name stonith-enabled --update secondval; echo $?
>>>>>
>>>>> Only the last value for --type wins
>>>> Because of this confusion is obtained. Here is an example of the old cluster:
>>>> #crm_attribute --type crm_config --attr-name test1 --update val1 --lifetime=reboot ; echo $?
>>>> 0
>>>> # cibadmin -Q|grep test1
>>>> <nvpair id="status-test-ins-db2-test1" name="test1" value="val1"/>
>>>> Win "--lifetime" ?
>>> Yes. Because it was specified last.
>>>> Is not it easier to produce an error when trying to use incompatible options?
>>> They're not incompatible. They're aliases for each other in a different context.
>> Ok. I understood you . Let's say you're right . :)
>> In the end , if you change the order of words in the human language, then meaning of a sentence can change.
>> But suppose, I have a strange desire, but it may be represented and write.
>>
>> I say "crm_attribute - attr-name attr1 - update val1 - lifetime = reboot - type crm_config".
>>
>> I mean, that ...
>> "I want to set some attribute to a cluster , and this attribute should disappear if the cluster is restarted. "
>
> This functionality does/can not exist for anything other than node attributes.
I.e. You return to me "NOT OK" ? ;-)
>> If I сhange the order of arguments, the meaning of a sentence is still not change.
>> But what do you say to that? 100% chance you will say that the sentence is not correct. Why ? Because the "lifetime" is not quite a time of life and can not be used in the context of the properties of the cluster ? Ie You gave me back " 1" and crm_attribute returned "0" :)
>>>> Then there is this uncertainty and "was meant...", "was meant...", "was meant...".
>>>>>>>>>> And if possible then the value should be established.
>>>>>>>>>> In general, something is wrong.
>>>>>>>>>> Denser unfortunately not yet looked, because I struggle with "STONITH" :)
>>>>>>>>>>
>>>>>>>>>> P.S. Andrew! Late to congratulate you on your new addition to the family.
>>>>>>>>>> This fine time - now you will have toys which was not in your childhood.
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
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>>>>>>>>>>
>>>>>>>>>> Project Home: http://www.clusterlabs.org
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>>>>>>>>>> Bugs: http://bugs.clusterlabs.org
>>>>>>>>> ,
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>>>>>>>>>
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>>>>>>>>> Bugs: http://bugs.clusterlabs.org
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>>>>>>>>
>>>>>>>> Project Home: http://www.clusterlabs.org
>>>>>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>>>>> Bugs: http://bugs.clusterlabs.org
>>>>>>> ,
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>>>>>>>
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>>>>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>>>> Bugs: http://bugs.clusterlabs.org
>>>>>> _______________________________________________
>>>>>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>>>>>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>>>>>
>>>>>> Project Home: http://www.clusterlabs.org
>>>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>>>> Bugs: http://bugs.clusterlabs.org
>>>>> ,
>>>>> _______________________________________________
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>>>>>
>>>>> Project Home: http://www.clusterlabs.org
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>>>>> Bugs: http://bugs.clusterlabs.org
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>>>>
>>>> Project Home: http://www.clusterlabs.org
>>>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>>>> Bugs: http://bugs.clusterlabs.org
>>> ,
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>>>
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>>> Bugs: http://bugs.clusterlabs.org
>> _______________________________________________
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>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
>
> ,
> _______________________________________________
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> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
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