Since pretty recently, Jenkins prints out warnings when one inserts e.g.
credentials into the 'script' arg of the sh command, and the warnings
referring to this help page:
https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#string-interpolation
Me being curious I am trying to get rid of those warnings but failing no
matter what I try.
Here is the relevant section of our scripted pipeline file:
withCredentials([usernamePassword(credentialsId: 'credentialsGenerateFromDb',
usernameVariable: 'GEN_USR',
passwordVariable: 'GEN_PASSWD')]) {
String m2RepoIdentifier = "${env.BRANCH_NAME}_${env.BUILD_NUMBER}"
withEnv(javaAndMavenEnvArray()) {
sh '${JAVA_HOME}/bin/java -version'
sh "${mvnCommand(m2RepoIdentifier)} -f project-reactor/pom.xml" +
" -P GenerateProfile -DdeployAtEnd=true" +
" '-Dproj.build.generatefromdb.url=${jdbcUrlNoData()}'" +
" '-Dproj.build.generatefromdb.user=${env.GEN_USR}'" +
" '-Dproj.build.generatefromdb.password=${env.GEN_PASSWD}'" +
" clean ${mvnBuildGoal} pmd:pmd pmd:cpd"
}
}
Where both mvnCommand(String) and jdbcUrlNoData() are functions defined in
a shared library.
I have tried to use single quotes (which obviously works in some cases, see
the first sh command in my example above), and multi-line strings using
single quotes and double quotes.
But either the variables do not get interpolated, or I dont get rid of the
warnings.
So what is the recommended way of building up an sh command that contains
both dynamic values from functions and credentials that should not be left
to groovy to be interpolated? The more I google around the more complicated
this gets (and the more different "solutions" I find, including e.g.
wrapping the ${SOME_VAR} with double quotes inside a single-quoted string).
Would really appreciate if someone could shed some light on this problem,
thanks!
stefan.
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