Initial version of machineRes.groovy (adoptium#3296)

Related: adoptium#2841

Signed-off-by: lanxia <[email protected]>

buildenv/jenkins/machineRes.groovy

@@ -0,0 +1,40 @@
+timestamps {
+    timeout(time: 12, unit: 'HOURS') {
+         if (!params.NODE || !params.RESERVATION_LENGTH) {
+            error "Please provide Node and RESERVATION_LENGTH"
+        }
+        def matchingNodes = jenkins.model.Jenkins.instance.getLabel(NODE).getNodes()
+        if (matchingNodes.size() == 1 && matchingNodes[0].getDisplayName().contains("${NODE}")) {
+            echo "NODE value passed is a specific machine"
+            // Get Node's labels
+            def nodeLabels = matchingNodes[0].getLabelString().tokenize(' ')
+            if (!nodeLabels.contains("ci.role.test")) {
+                error "Cannot reserve a machine that does not contain ci.role.test label. Please select a different machine."
+            }
+        } else {
+            echo "NODE value passed is a set of label(s)"
+            // Only allow reserving machines with ci.role.test
+            NODE += "&&ci.role.test"
+        }
+        node (NODE) {
+            try {
+                CURRENT_TIME = sh (returnStdout: true, script: 'date').trim()
+                END_TIME = "+${RESERVATION_LENGTH} minutes"
+                if (!NODE_LABELS.contains('osx')) {
+                    END_TIME = sh (returnStdout: true, script: "date -d 'now + ${RESERVATION_LENGTH} minutes'").trim()
+                }
+
+                echo "You have reserved: ${NODE_NAME} ${JENKINS_URL}computer/${NODE_NAME}"
+                echo "It is now ${CURRENT_TIME}. Your session will end at: ${END_TIME}"
+                if (NODE_LABELS.contains('osx')) {
+                    RESERVATION_LENGTH = (RESERVATION_LENGTH.toInteger() * 60).toString()
+                }
+                sh "sleep ${RESERVATION_LENGTH}m"
+            } finally {
+                echo "Your session will be ended in 60s"
+                // 1 minute buffer
+                sh 'sleep 60'
+            }
+        }
+    }
+}