[skip e2e] Add scale test pipeline (#14701)

Signed-off-by: ThreadDao <yufen.zong@zilliz.com>

build/ci/jenkins/Scale.groovy

@@ -0,0 +1,71 @@
+
+String cron_timezone = 'TZ=Asia/Shanghai'
+String cron_string = BRANCH_NAME == "master" ? "30 20 * * * " : ""
+
+int total_timeout_minutes = 60
+
+// pipeline
+pipeline {
+    triggers {
+        cron """${cron_timezone}
+            ${cron_string}"""
+    }
+    options {
+        timestamps()
+        timeout(time: total_timeout_minutes, unit: 'MINUTES')
+    }
+
+    agent {
+        kubernetes {
+            inheritFrom 'milvus-test'
+            // idle 5 minutes to wait clean up tasks
+            idleMinutes 5
+        }
+    }
+    environment {
+        PROJECT_NAME = "milvus"
+        TEST_TYPE = "scale-test"
+//        SEMVER = "${BRANCH_NAME.contains('/') ? BRANCH_NAME.substring(BRANCH_NAME.lastIndexOf('/') + 1) : BRANCH_NAME}"
+        ARTIFACTS = "${env.WORKSPACE}/_artifacts"
+    }
+
+    stages {
+        stage ('Install'){
+            steps {
+                container('milvus-test') {
+                    dir ('tests/python_client'){
+                        sh """
+                        printenv
+                        pip install -r requirements.txt
+                        pip install --upgrade protobuf
+                        """
+                    }
+                }
+            }
+        }
+        stage ('Scale Test') {
+            steps {
+                container('milvus-test') {
+                    dir ('tests/python_client/scale') {
+                        script {
+                            sh 'pytest test_data_node_scale.py::TestDataNodeScale::test_scale_data_node -v -s'
+                        }
+                    }
+                }
+            }
+        }
+    }
+    post {
+        always {
+            container('milvus-test') {
+                dir ('tests/scripts') {
+                    script {
+                        dir("${env.ARTIFACTS}") {
+                            sh "tar -zcvf artifacts-${PROJECT_NAME}-${TEST_TYPE}-pytest-logs.tar.gz /tmp/ci_logs --remove-files || true"
+                            archiveArtifacts artifacts: "artifacts-${PROJECT_NAME}-${TEST_TYPE}-pytest-logs.tar.gz ", allowEmptyArchive: true                        }
+                    }
+                }
+            }
+        }
+    }
+}