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Sidd
Asked: 2021-09-28 10:52:05 +0800 CST

Not able to access groovy variable inside shell script in JenkinsFile

  • 772
def NAMESPACE = "Dev"

def BODY= sh(
script:'''body=$(cat <<-EOF
{
    "name": "${NAMESPACE}",
    "type": "regularwebapp"
}
EOF
)
(echo $body)''',
returnStdout: true
).trim()

The above doesnt work, output is as follows:

{
    "name": "",
    "type": "regularwebapp"
}
scripting bash shell helpdesk jenkins

1 Answers

  1. Groovy doesn't perform variable substitution inside single-quoted (') strings. Use double-quoted (") strings instead - this will also require escaping non-Groovy variables:

    def NAMESPACE = "Dev"

def BODY= sh(
script:"""body=\$(cat <<-EOF
{
    "name": "${NAMESPACE}",
    "type": "regularwebapp"
}
EOF
)
(echo \$body)""",
returnStdout: true
).trim()
    • 0