How to Resolve Environment Variables in Thoughtworks Go Task Command
Thoughtworks Go provides a stack of job-specific work variables for each task. For example my work outputs the same values as API doc .
[go] setting environment variable 'GO_ENVIRONMENT_NAME' to value 'rmp'
[go] setting environment variable 'a' to value 'b'
[go] setting environment variable 'GO_SERVER_URL' to value 'https://10.8.249.57:8154/go/'
I was unable to resolve vars in the bash task command.
[go] Start to execute task: <exec command="echo" >
<arg>${GO_SERVER_URL}</arg>
Just outputs
${GO_SERVER_URL}
I tried...
${GO_SERVER_URL}
${env.GO_SERVER_URL}
${go.GO_SERVER_URL}
$[GO_SERVER_URL]
$GO_SERVER_URL
"${GO_SERVER_URL}"
nothing works...
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Thoughtworks Go has a support page about this exact issue , which says:
Note that this is a simple exec, not an exec, so [$ FOO] will not have the desired effect
Simplest solution:
command: /bin/bash
args:
-c
echo
$GO_SERVER_URL
The alternative is to just toss your script into a file.
Why do I know this? Because I ran into this too.
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For a team with multiple options, Go is pretty sophisticated. tedder42's answer was correct for a simple echo case, but didn't work for me for my real problem using multi-parameter curl. Srinivas Upadhya on Go to Google Group helped me. I want to document it here for others, so it's easy to find. It looks obvious, but small deviations didn't work.
Enter the command exactly like this:
XML should look like this:
<tasks>
<exec command="/bin/bash">
<arg>-c</arg>
<arg>curl -o test.file $GO_VAR</arg>
<runif status="passed" />
</exec>
....
</tasks>
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