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@tamasgal tamasgal/Jenkinsfile forked from oifland/Jenkinsfile
Created Apr 12, 2018

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Loops in Jenkinsfiles
// Related to https://issues.jenkins-ci.org/browse/JENKINS-26481
abcs = ['a', 'b', 'c']
node('master') {
stage('Test 1: loop of echo statements') {
echo_all(abcs)
}
stage('Test 2: loop of sh commands') {
loop_of_sh(abcs)
}
stage('Test 3: loop with preceding SH') {
loop_with_preceding_sh(abcs)
}
stage('Test 4: traditional for loop') {
traditional_int_for_loop(abcs)
}
}
@NonCPS // has to be NonCPS or the build breaks on the call to .each
def echo_all(list) {
list.each { item ->
echo "Hello ${item}"
}
}
// outputs all items as expected
@NonCPS
def loop_of_sh(list) {
list.each { item ->
sh "echo Hello ${item}"
}
}
// outputs only the first item
@NonCPS
def loop_with_preceding_sh(list) {
sh "echo Going to echo a list"
list.each { item ->
sh "echo Hello ${item}"
}
}
// outputs only the "Going to echo a list" bit
//No NonCPS required
def traditional_int_for_loop(list) {
sh "echo Going to echo a list"
for (int i = 0; i < list.size(); i++) {
sh "echo Hello ${list[i]}"
}
}
// echoes everything as expected
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