getToken

getToken.groovy

INSTALLATION_ID = <INSTALLATION_ID>

def getToken(jsonWebToken) {
    try {
        def httpConn = new URL("https://api.github.com/app/installations/${INSTALLATION_ID}/access_tokens").openConnection();
        httpConn.setRequestProperty( 'Authorization', "Bearer ${jsonWebToken}" )
        httpConn.setRequestProperty( 'Accept', 'application/vnd.github.machine-man-preview+json' )
        httpConn.setRequestMethod("POST");
        def responseText = httpConn.getInputStream().getText()
        def slurper = new JsonSlurper()
        def resultMap = slurper.parseText(responseText)
        def token = resultMap["token"]        
        return token
    } catch(Exception e){
        echo "Exception: ${e}"
        error "Failed to get a token"
    }
}