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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?

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

3 votes
Answer accepted

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.

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
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
Hi Michael, I converted your answer to a comment, since it's better placed here inline with Ajay's answer.
JamesA Rising Star Jun 22, 2011
Hi Michael, yes you can. However all variables in bamboo are prefixed with 'bamboo.'. So your 'planx.myvariable' becomes 'bamboo.planx.myvariable'

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'


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"]

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

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

This is a way to call bamboo variables inside python script

print(os.environ['bamboo_NAME_OF_THE_VARIABLE])

can you change the value of a variable?

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