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

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

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
>>>>
>>>>
>>>>
>>>>
>>>
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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
>