Jenkins Node Labeler

Adds a bunch of labels to macOS nodes in Jenkins.

• macOS version (sw_vers -productVersion)
• XCode version and XCode major version (xcodebuild -version)
• node name (hostname)
• system architecture (uname -m)
• additional labels

examples 'iOS', 'xcode-13.1', 'xcode-13', 'macos-12.1', 'node-ios-build1', 'arch-arm64'

Settings

JENKINS_USERNAME="some_user"
JENKINS_APIKEY="API_KEY" #See https://www.jenkins.io/blog/2018/07/02/new-api-token-system/
JENKINS_HOST="https://jenkins.example.com"
JENKINS_ADDITIONAL_LABELS="Some-Label Other-label"