Re: $JENKINS_HOME vs. $WORKSPACE on a slave (agent) node vs master node

2017-02-02 Thread Ioannis Moutsatsos
I believe that you can define a JENKINS_HOME environment variable on the 
slave node. Jobs running there will use that instead of the JAVA_HOME of 
the master.

On Wednesday, February 1, 2017 at 4:48:52 PM UTC-5, Bruce Epstein wrote:
>
> Hi Everyone -
>
> I have one master and one slave node.
>
> I am trying to move some Jenkins jobs that currently run on the master to 
> instead run on the slave.
>
> For various reasons, I need (or at least want) to use the $JENKINS_HOME 
> env variable in my scripts, but it returns the value of the master jenkins 
> localtion, even when running a job on the slave.
>
> On the master node, $JENKINS_HOME  is 
> /opt/apache-tomcat-7.0.54/webapps/jenkins
>
> On the slave node, $JENKINS_HOME should be /opt/jenkins, but is being 
> returned as the master's value ( /opt/apache-tomcat-7.0.54/webapps/jenkins)
>
> For now, the best I have been able to do is climb up the directory 
> hierarchy, using something like:
>
> $WORKSPACE/../../../..
>
> So $WORKSPACE is returning the workspace location correctly on the slave, 
> but $JENKINS_HOME is returning the jenkins installation folder on the 
> master.
>
> Is this the expected behavior?
>
> Is there another env variable I should be using?
>
> Regardless, I have hundreds of Jenkins jobs, and tweaking them all will be 
> painful if I can't simply modify $JENKINS_HOME on which they currently rely.
>
> I think it is an IT configuration issue, because they say that when they 
> echo $JENKINS_HOME it gives the expected value on the slave node, as 
> follows:
>
> [jenkins@builder01-slave01 ~]$ echo $JENKINS_HOME
>
>
> /opt/jenkins
>
>  
>
> Maybe the Jenkins process was started as "root" and not as the "jenkins" 
> user, and they've defined $JENKINS_HOME for the wrong user?
>
> If it is an IT-related configuration and not a Jenkins thing, please give 
> advice and I'll rely it onto the IT dept, who control the server config.
>
>
> Thanks in advance 
> Cheers
> Bruce
>

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Re: $JENKINS_HOME vs. $WORKSPACE on a slave (agent) node vs master node

2017-02-01 Thread Indra Gunawan (ingunawa)
Yes, that is the expected behavior.  JENKINS_HOME only matters on Jenkins 
master. JENKINS_HOME is the path where all metadata of Jenkins instance like 
plugins, jobs are stored.  It is not a variable for slave.
Are you the Jenkins admin such that you have administration permission on the 
Jenkins UI?

Why don’t you define an environment variable with different name in the Manage 
Jenkins -> Configure System.  This env variable is then available to all jobs 
regardless where the job is running.

From: <jenkinsci-users@googlegroups.com> on behalf of Bruce Epstein 
<goo...@zeusprod.com>
Reply-To: "jenkinsci-users@googlegroups.com" <jenkinsci-users@googlegroups.com>
Date: Wednesday, February 1, 2017 at 1:48 PM
To: Jenkins Users <jenkinsci-users@googlegroups.com>
Subject: $JENKINS_HOME vs. $WORKSPACE on a slave (agent) node vs master node

Hi Everyone -

I have one master and one slave node.

I am trying to move some Jenkins jobs that currently run on the master to 
instead run on the slave.

For various reasons, I need (or at least want) to use the $JENKINS_HOME env 
variable in my scripts, but it returns the value of the master jenkins 
localtion, even when running a job on the slave.

On the master node, $JENKINS_HOME  is /opt/apache-tomcat-7.0.54/webapps/jenkins

On the slave node, $JENKINS_HOME should be /opt/jenkins, but is being returned 
as the master's value ( /opt/apache-tomcat-7.0.54/webapps/jenkins)

For now, the best I have been able to do is climb up the directory hierarchy, 
using something like:

$WORKSPACE/../../../..

So $WORKSPACE is returning the workspace location correctly on the slave, but 
$JENKINS_HOME is returning the jenkins installation folder on the master.

Is this the expected behavior?

Is there another env variable I should be using?

Regardless, I have hundreds of Jenkins jobs, and tweaking them all will be 
painful if I can't simply modify $JENKINS_HOME on which they currently rely.

I think it is an IT configuration issue, because they say that when they echo 
$JENKINS_HOME it gives the expected value on the slave node, as follows:



[jenkins@builder01-slave01 ~]$ echo $JENKINS_HOME



/opt/jenkins



Maybe the Jenkins process was started as "root" and not as the "jenkins" user, 
and they've defined $JENKINS_HOME for the wrong user?

If it is an IT-related configuration and not a Jenkins thing, please give 
advice and I'll rely it onto the IT dept, who control the server config.


Thanks in advance
Cheers
Bruce
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$JENKINS_HOME vs. $WORKSPACE on a slave (agent) node vs master node

2017-02-01 Thread Bruce Epstein
Hi Everyone -

I have one master and one slave node.

I am trying to move some Jenkins jobs that currently run on the master to 
instead run on the slave.

For various reasons, I need (or at least want) to use the $JENKINS_HOME env 
variable in my scripts, but it returns the value of the master jenkins 
localtion, even when running a job on the slave.

On the master node, $JENKINS_HOME  is 
/opt/apache-tomcat-7.0.54/webapps/jenkins

On the slave node, $JENKINS_HOME should be /opt/jenkins, but is being 
returned as the master's value ( /opt/apache-tomcat-7.0.54/webapps/jenkins)

For now, the best I have been able to do is climb up the directory 
hierarchy, using something like:

$WORKSPACE/../../../..

So $WORKSPACE is returning the workspace location correctly on the slave, 
but $JENKINS_HOME is returning the jenkins installation folder on the 
master.

Is this the expected behavior?

Is there another env variable I should be using?

Regardless, I have hundreds of Jenkins jobs, and tweaking them all will be 
painful if I can't simply modify $JENKINS_HOME on which they currently rely.

I think it is an IT configuration issue, because they say that when they 
echo $JENKINS_HOME it gives the expected value on the slave node, as 
follows:

[jenkins@builder01-slave01 ~]$ echo $JENKINS_HOME


/opt/jenkins

 

Maybe the Jenkins process was started as "root" and not as the "jenkins" 
user, and they've defined $JENKINS_HOME for the wrong user?

If it is an IT-related configuration and not a Jenkins thing, please give 
advice and I'll rely it onto the IT dept, who control the server config.


Thanks in advance 
Cheers
Bruce

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