Re: [Wrapper-user] How set owner/group on log file

[Etienne J. <lap...@gm...>]

And finally.

What I did, because I work on Linux plateform.
Log folder is /var/log/jenkins

And I execute the following command
chmod g+s /var/log/jenkins


Regards

Etienne Jouvin


Le mer. 12 sept. 2018 à 14:10, Etienne Jouvin <lap...@gm...> a
écrit :

> Ok fine.
>
> I was "just" wondering and I have the answer.
>
> I will manage in other way.
>
> Regards
>
> Etienne
>
>
> Le mer. 12 sept. 2018 à 04:16, Maxime Andrighetto <
> max...@ta...> a écrit :
>
>> Etienne
>>
>> Sorry, I was mistaken. It is possible to change the group if your user is
>> the owner of the file and also belong to the group.
>> However there is currently no configuration properties to change the
>> group for now. This is something that we will add in a future version,
>> similar to the umask properties.
>>
>> In the meantime, I can suggest you the following workaround even though
>> it is not straightforward:
>>
>> When the Wrapper starts and whenever the log file changes, a notification
>> is sent to the JVM. In response, the WrapperManager will raise a Java event
>> which you could subscribe to.
>> For this you need to have a class that implements the
>> WrapperEventListener interface. Basically you need to have a fired() method
>> which receives a WrapperEvent instance, check that this instance is of type
>> WrapperLogFileChangedEvent, and then execute your code to change the group
>> of the log file.
>>
>> If you use the professional edition, you can trigger a User event from
>> the Java code and execute a shell script in response which would update the
>> group of the log file whenever it changes. Alternatively, you could also
>> use timers to regularly ensure that the log file has the correct group and
>> update it if needed.
>>
>> Please let me know if you need further details on one of the above
>> methods.
>>
>> Best Regards,
>>
>> Maxime
>>
>>
>> On Wed, Sep 12, 2018 at 9:16 AM, Maxime Andrighetto <
>> max...@ta...> wrote:
>>
>>> Etienne
>>>
>>> Thank you for your reply.
>>>
>>> Unfortunately it is not possible to change the group of the log file
>>> without having the root/sudo permission.
>>> So this is not possible when the Wrapper is running with the jenkins
>>> user.
>>>
>>> You will have to edit the ownership of your file with a linux command or
>>> manually, using the root user.
>>>
>>> Best Regards,
>>>
>>> Maxime
>>>
>>> On Tue, Sep 11, 2018 at 7:37 PM, Etienne Jouvin <lap...@gm...
>>> > wrote:
>>>
>>>> Hello.
>>>>
>>>> In fact, I am using Wrapper with the projet Jenkins Runner:
>>>> https://github.com/mnadeem/JenkinsRunner
>>>>
>>>> The service is run as a specific user, let's say "jenkins".
>>>>
>>>> As I am using it under "Ubuntu", I wanted to centralize logs as it is
>>>> done.
>>>> So I created a folder /var/log/jenkins, and logs are created with name
>>>> like jenkins.log.
>>>>
>>>> What I wanted, is to have permissions for owner jenkins, and group adm,
>>>> as if I did something like this :
>>>> mkdir /var/log/jenkins
>>>> chown jenkins:adm /var/log/jenkins
>>>>
>>>> But when log files are created, the ownership is something like
>>>> jenkins:jenkins. Group may comes from the default group for user jenkins.
>>>> But I do not want to put user jenkins in group adm by default, because this
>>>> is not an administrator.
>>>>
>>>> So in fact, this is not a matter of changing the owner (my bad for the
>>>> description), but more changing the group.
>>>>
>>>> If not possible, I will find a way to do it with configuration on the
>>>> LInux system.
>>>>
>>>> Regards
>>>>
>>>> Etienne Jouvin
>>>>
>>>>
>>>>
>>>> Le mar. 11 sept. 2018 à 04:17, Maxime <ma...@ta...> a
>>>> écrit :
>>>>
>>>>> Etienne
>>>>>
>>>>> Thank you for your email.
>>>>>
>>>>> Are you running the Wrapper as root?
>>>>> The Wrapper can change the permissions of the log file because it is
>>>>> owner of it, but it cannot change the ownership (this would require running
>>>>> itself as root anyway).
>>>>> The Wrapper creates the log file, writes in it and rolls it if needed,
>>>>> so usually the user of the Wrapper process is also the owner of the log
>>>>> file.
>>>>> For this reason there is currently no property to change the owner of
>>>>> the log file.
>>>>>
>>>>> May I ask the use case in which you need to have the owner of the log
>>>>> file different than the user of the Wrapper?
>>>>>
>>>>> Best Regards,
>>>>>
>>>>> Maxime
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> Wrapper-user mailing list
>>>> Wra...@li...
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>>>>
>>>>
>>>
>>>
>>> --
>>> Maxime Andrighetto
>>> Tanuki Software Ltd.
>>> 6-18-10-4F Nishi-Kasai, Edogawa-ku
>>> Tokyo 134-0088 Japan
>>> Tel: +81-3-3878-3211
>>> Fax: +81-3-3878-0313
>>> http://www.tanukisoftware.com
>>>
>>
>>
>>
>> --
>> Maxime Andrighetto
>> Tanuki Software Ltd.
>> 6-18-10-4F Nishi-Kasai, Edogawa-ku
>> Tokyo 134-0088 Japan
>> Tel: +81-3-3878-3211
>> Fax: +81-3-3878-0313
>> http://www.tanukisoftware.com
>> _______________________________________________
>> Wrapper-user mailing list
>> Wra...@li...
>> https://lists.sourceforge.net/lists/listinfo/wrapper-user
>>
>