ci: Introduce SGX integration testing

Extending the Cloud-Hypervisor CI to allow for testing SGX on a
dedicated machine where special image and kernels are ready.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

Jenkinsfile

@@ -114,6 +114,36 @@ pipeline{
 						}
 					}
 				}
+				stage ('Worker build SGX') {
+					agent { node { label 'bionic-sgx' } }
+					options {
+						timeout(time: 1, unit: 'HOURS')
+					}
+					when { branch 'master' }
+					stages {
+						stage ('Checkout') {
+							steps {
+								checkout scm
+							}
+						}
+						stage ('Run SGX integration tests') {
+							steps {
+								sh "scripts/dev_cli.sh tests --integration-sgx"
+							}
+						}
+						stage ('Run SGX integration tests for musl') {
+							steps {
+								sh "scripts/dev_cli.sh tests --integration-sgx --libc musl"
+							}
+						}
+					}
+					post {
+						always {
+							sh "sudo chown -R jenkins.jenkins ${WORKSPACE}"
+							deleteDir()
+						}
+					}
+				}
 			}
 		}
 	}