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How I can access global and/or plan specific variables from python scripts, if they are called by a remote agent?

Michael Roettger June 5, 2011

Hello. I'm currently evaluating Bamboo for our build equipment. We have mostly python scripts to run different steps. My current issue is, how I can access global and/or plan specific variables by the python scripts, if they are called by a remote agent?

I read your documentation about the usage of global variables but I don't see the link to python. I wouldn't like to use an environment variable because this must be defined for each task. I'm looking for a solution which works for a entire plan, where I can access e.g. on the subversion revision number or the build number.

Thanks for any help.

1 answer

1 accepted

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AjayA
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June 6, 2011

Hi Michael,

Bamboo wil pass down any build specific variable/global variable you have defined to your build. If you don't want to specify a global Bamboo variable then you can specify a plan specific variable as per;

http://confluence.atlassian.com/display/BAMBOO/Defining+Plan+Variables

You can then access this variables using a simlar code;

import os
print os.environ['foo']

Hope that help! Let me know if you have any question?

Regards

Ajay.

Michael Roettger June 8, 2011
Hi Ajay. Thanks so far for the fast answer. To ensure I understand it right, if I create a bamboo variable called 'planx.myvariable' I can access on it by python with os.environ['planx.myvariable']? This would also mean, that I can access on bamboo specific variables like os.environ['bamboo.repository.revision.number']. Right? Regards Michael
Michael Roettger June 8, 2011
Hi Ajay.
Thanks for the fast answer. To ensure I understand it right, if I create a plan specific variable called 'planx.myvariable' I can access on it by python with os.environ['planx.myvariable']?
This would also mean, that I can access on bamboo specific variables like os.environ['bamboo.repository.revision.number']. Right?
Regards
Michael
Jeremy Largman
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Atlassian Team members are employees working across the company in a wide variety of roles.
June 8, 2011
Hi Michael, I converted your answer to a comment, since it's better placed here inline with Ajay's answer.
James Dumay
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
June 22, 2011
Hi Michael, yes you can. However all variables in bamboo are prefixed with 'bamboo.'. So your 'planx.myvariable' becomes 'bamboo.planx.myvariable'
Archana Balasanjeevi January 6, 2014

os.environ['bamboo.repository.revision.number'] does not work for me in python. I am getting the below error.

bwd=os.environ['bamboo.build.working.directory']

File "/usr/lib/python2.7/UserDict.py", line 23, in __getitem__

raise KeyError(key)

KeyError: 'bamboo.build.working.directory'


sodoww
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January 23, 2017

For anyone who's bothering with the similar problem: in Python ran on Bamboo the os.environ contains Bamboo's variables in form where every dots are replaced with underscores, e.g. variable "bamboo.build.working.directory" should be resolved as: os.environ["bamboo_build_working_directory"]

ashleyg May 25, 2017

i still get error not sure why.

i get error
Traceback (most recent call last):
File "<stdin>", line 3, in <module>
File "/usr/lib64/python2.6/UserDict.py", line 22, in __getitem__
raise KeyError(key)
KeyError: ''

Is there a way to successfully invoke bamboo plan variables within a python inline script just like it works for a shell or batch script.

Any help here would be greatly appreciated.

Cheers,

Ashley

raju December 11, 2017

Is this issue resolved now? I am still looking for a proper solution to this.

Klevin Kona April 25, 2019

This is a way to call bamboo variables inside python script

print(os.environ['bamboo_NAME_OF_THE_VARIABLE])

karel
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April 28, 2021

can you change the value of a variable?

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