add function for managing the deploy file

Jenkinsfile

@@ -9,7 +9,23 @@
 // related jenkins job: https://jenkins.d4science.org/job/gCubeDeployer/
 
 def agent_root_folder = '/var/lib/jenkins/.m2'
+def agent_deploy_filename = 'deploy.csv'
 
+def deployList
+if (params.deployFile) {
+    println "Using custom deploy file"
+    deployList = params.deployFile
+} else {
+    println "Using local deploy file"
+    //load the report from the URL
+     deployList = agent_root_folder+'/'+agent_deploy_filename;
+}
+// parse the report and extract the data
+def components = parseDeployComponent(deployList)
+assert 0 < components.size(): "No component found"
+for (component in components) {
+    println "$component"
+}
 
 pipeline {
     agent {
@@ -126,3 +142,18 @@ pipeline {
     }
 }
 
+//a non CPS method is necessary for the usage of splitEachLine()
+@NonCPS
+def parseDeployComponent(def deployList) {
+    def components = []
+    "${deployList}".splitEachLine(',') { columns ->
+        if (columns[0].startsWith('#') || columns[0].startsWith('Components'))
+            return
+        components.add([
+                name    : columns[1],
+                version : columns[2],
+        ]
+        )
+    }
+    return components
+}