I'm working on a jenkins install with two script components. The bash bits run first and then groovy . I'd like to be able to pass a value (property? Other?) from the bash script->groovy script.
Is this possible? Do I need to write the value to a property file and read it back in groovy?
EDIT: my goal from this was to generate a build # in bash and pass this to groovy so I could set the description and build # in the jenkins display. It appears that groovy isn't available on the build server so I'm looking for another direction. Currently experimenting with the 'postbuild' plugin and the 'env-inject' plugin. Open to suggestions.
Here are a few things to consider to make this successful:
# foo.sh
export foo=bar
groovy myscript.groovy
# myscript.groovy
def env = System.getenv()
String myvar=env['foo']
println myvar
Running foo.sh should produce the following:
./foo.sh
bar
If for some reason you prefer not to export the variable (there may be good and valid reasons for this), you can still explicitly pass the variable to the groovy script as a "system property":
# foo.sh
foo=bar
groovy -Dfoo="$foo" yourscript.groovy
# yourscript.groovy
String yourvar = System.properties['foo']
println yourvar
which produces the following results:
$ ./foo.sh
bar
$
The best way is setting an environment variable to share the information from bash into groovy. You could pipe things as well using standard in/out as well.
So if you are setting the env in a bash script it wont be available outside of that script. Instead of doing a bash script put the script inline in your command in jenkins. Run your bash code then call the groovy script.
Something like below
#do somebash scripting
VARIABLE="something"
#call your groovy code
groovy util.groovy
your groovy code (util.groovy):
String variable = env['VARIABLE']
I just worked on this problem for days and thought I might share what I discovered. I had to access a variable in a groovy file from a .sh file and had difficulty at first grabbing the variable. There is a simple way to do it, though. Here's what I did:
In your bash file, save the value in a variable. Then in the groovy script, do this:
variableToGet = sh(returnStdout: true, script: """
. ${DIRECTORY}/bash_file.sh
echo \$VARIABLE
""").trim()
Hope this helps. This problem was a good challenge! It's important to note, however, that standard out will return a String, regardless of what type of variable you are grabbing. If you need to use an integer value, you can then use the integer value with Integer.parseInt(variableToGet)
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