Support multiple customer instantiation

Issue-ID: INT-509
Change-Id: I64a934b516f2290812f39c0df2a0d35027a5d553
Signed-off-by: Kang Xi <kang.xi@huawei.com>

6 files changed, 367 insertions, 307 deletions

diff --git a/test/vcpe/preload_templates/template.vcpe_brgemu_vfmodule.json b/test/vcpe/preload_templates/template.vcpe_brgemu_vfmodule.json
index 12303f49a..9a9ecc37d 100644
--- a/test/vcpe/preload_templates/template.vcpe_brgemu_vfmodule.json
+++ b/test/vcpe/preload_templates/template.vcpe_brgemu_vfmodule.json
@@ -1,145 +1,138 @@
 {
-   "VNF-API:input": {
-     "VNF-API:request-information": {
-       "VNF-API:request-id": "robot12",
-       "VNF-API:notification-url": "https://so.onap.org",
-       "VNF-API:order-number": "robot12",
-       "VNF-API:request-sub-action": "SUPP",
-       "VNF-API:request-action": "PreloadVNFRequest",
-       "VNF-API:source": "VID",
-       "VNF-API:order-version": "1.0"
-     },
-     "VNF-API:sdnc-request-header": {
-       "VNF-API:svc-action": "reserve",
-       "VNF-API:svc-notification-url": "https://son.onap.org",
-       "VNF-API:svc-request-id": "robot12"
-     },
-     "VNF-API:vnf-topology-information": {
-             "vnf-topology-identifier": {
-               "service-type": "${service_type}",
-               "vnf-type": "${vnf_type}",
-               "generic-vnf-name": "${generic_vnf_name}",
-               "generic-vnf-type": "${generic_vnf_type}",
-               "vnf-name": "${vnf_name}"
-       },
-       "VNF-API:vnf-parameters": [
-
-
-		{
-		"vnf-parameter-name": "vcpe_image_name",
-		"vnf-parameter-value": "vbrg-base-ubuntu-16-04-new"
-		},
-		{
-		"vnf-parameter-name": "vcpe_flavor_name",
-		"vnf-parameter-value": "m1.medium"
-		},
-
-		{
-		"vnf-parameter-name": "public_net_id",
-		"vnf-parameter-value": "${public_net_id}"
-		},
-		{
-		"vnf-parameter-name": "vbrgemu_bng_private_net_id",
-		"vnf-parameter-value": "${brg_bng_net}"
-		},
-		{
-		"vnf-parameter-name": "vbrgemu_bng_private_subnet_id",
-		"vnf-parameter-value": "${brg_bng_subnet}"
-		},
-		{
-		"vnf-parameter-name": "onap_private_net_id",
-		"vnf-parameter-value": "${oam_onap_net}"
-		},
-		{
-		"vnf-parameter-name": "onap_private_subnet_id",
-		"vnf-parameter-value": "${oam_onap_subnet}"
-		},
-		{
-		"vnf-parameter-name": "onap_private_net_cidr",
-		"vnf-parameter-value": "10.0.0.0/16"
-		},
-
-		{
-		"vnf-parameter-name": "compile_state",
-		"vnf-parameter-value": "done"
-		},
-		{
-		"vnf-parameter-name": "vbrgemu_bng_private_net_cidr",
-		"vnf-parameter-value": "10.3.0.0/24"
-		},
-		{
-		"vnf-parameter-name": "vbrgemu_private_ip_0",
-		"vnf-parameter-value": "10.3.0.14"
-		},
-		{
-		"vnf-parameter-name": "sdnc_ip",
-		"vnf-parameter-value": "10.0.7.1"
-		},
-		{
-		"vnf-parameter-name": "vbrgemu_name_0",
-		"vnf-parameter-value": "zdcpe1cpe01brgemu01_${suffix}"
-		},
-		{
-		"vnf-parameter-name": "vnf_id",
-		"vnf-parameter-value": "vCPE_Infrastructure_BGREMU_demo_app"
-		},
-		{
-		"vnf-parameter-name": "vf_module_id",
-		"vnf-parameter-value": "vCPE_Customer_BRGEMU"
-		},
-		{
-		"vnf-parameter-name": "repo_url_blob",
-		"vnf-parameter-value": "https://nexus.onap.org/content/sites/raw"
-		},
-		{
-		"vnf-parameter-name": "repo_url_artifacts",
-		"vnf-parameter-value": "https://nexus.onap.org/content/groups/staging"
-		},
-		{
-		"vnf-parameter-name": "demo_artifacts_version",
-		"vnf-parameter-value": "1.1.1"
-		},
-		{
-		"vnf-parameter-name": "install_script_version",
-		"vnf-parameter-value": "1.1.1"
-		},
-		{
-		"vnf-parameter-name": "key_name",
-		"vnf-parameter-value": "vbrgemu_key"
-		},
-		{
-		"vnf-parameter-name": "pub_key",
-		"vnf-parameter-value": "${pub_key}"
-		},
-		{
-		"vnf-parameter-name": "cloud_env",
-		"vnf-parameter-value": "openstack"
-		},
-		{
-		"vnf-parameter-name": "vpp_source_repo_url",
-		"vnf-parameter-value": "https://gerrit.fd.io/r/vpp"
-		},
-		{
-		"vnf-parameter-name": "vpp_source_repo_branch",
-		"vnf-parameter-value": "stable/1704"
-		},
-		{
-		"vnf-parameter-name": "hc2vpp_source_repo_url",
-		"vnf-parameter-value": "https://gerrit.fd.io/r/hc2vpp"
-		},
-		{
-		"vnf-parameter-name": "hc2vpp_source_repo_branch",
-		"vnf-parameter-value": "stable/1704"
-		},
-		{
-		"vnf-parameter-name": "vpp_patch_url",
-		"vnf-parameter-value": "https://git.onap.org/demo/plain/vnfs/vCPE/vpp-option-82-for-vbrg/src/patches/VPP-Add-Option82-Nat-Filter-For-vBRG.patch"
-		}
-
-       ],
-       "VNF-API:vnf-assignments": {
-         }
-       }
-     }
-}
-
+    "VNF-API:input": {
+        "VNF-API:request-information": {
+            "VNF-API:notification-url": "https://so.onap.org", 
+            "VNF-API:order-number": "robot12", 
+            "VNF-API:order-version": "1.0", 
+            "VNF-API:request-action": "PreloadVNFRequest", 
+            "VNF-API:request-id": "robot12", 
+            "VNF-API:request-sub-action": "SUPP", 
+            "VNF-API:source": "VID"
+        }, 
+        "VNF-API:sdnc-request-header": {
+            "VNF-API:svc-action": "reserve", 
+            "VNF-API:svc-notification-url": "https://son.onap.org", 
+            "VNF-API:svc-request-id": "robot12"
+        }, 
+        "VNF-API:vnf-topology-information": {
+            "VNF-API:vnf-assignments": {}, 
+            "VNF-API:vnf-parameters": [
+                {
+                    "vnf-parameter-name": "vcpe_image_name", 
+                    "vnf-parameter-value": "vbrg-base-ubuntu-16-04-new"
+                }, 
+                {
+                    "vnf-parameter-name": "vcpe_flavor_name", 
+                    "vnf-parameter-value": "m1.medium"
+                }, 
+                {
+                    "vnf-parameter-name": "public_net_id", 
+                    "vnf-parameter-value": "${public_net_id}"
+                }, 
+                {
+                    "vnf-parameter-name": "vbrgemu_bng_private_net_id", 
+                    "vnf-parameter-value": "${brg_bng_net}"
+                }, 
+                {
+                    "vnf-parameter-name": "vbrgemu_bng_private_subnet_id", 
+                    "vnf-parameter-value": "${brg_bng_subnet}"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_net_id", 
+                    "vnf-parameter-value": "${oam_onap_net}"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_subnet_id", 
+                    "vnf-parameter-value": "${oam_onap_subnet}"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_net_cidr", 
+                    "vnf-parameter-value": "10.0.0.0/16"
+                }, 
+                {
+                    "vnf-parameter-name": "compile_state", 
+                    "vnf-parameter-value": "done"
+                }, 
+                {
+                    "vnf-parameter-name": "vbrgemu_bng_private_net_cidr", 
+                    "vnf-parameter-value": "10.3.0.0/24"
+                }, 
+                {
+                    "vnf-parameter-name": "vbrgemu_private_ip_0", 
+                    "vnf-parameter-value": "10.3.0.21"
+                }, 
+                {
+                    "vnf-parameter-name": "sdnc_ip", 
+                    "vnf-parameter-value": "10.0.7.1"
+                }, 
+                {
+                    "vnf-parameter-name": "vbrgemu_name_0", 
+                    "vnf-parameter-value": "zdcpe1cpe01brgemu01_${suffix}"
+                }, 
+                {
+                    "vnf-parameter-name": "vnf_id", 
+                    "vnf-parameter-value": "vCPE_Infrastructure_BGREMU_demo_app_${suffix}"
+                }, 
+                {
+                    "vnf-parameter-name": "vf_module_id", 
+                    "vnf-parameter-value": "vCPE_Customer_BRGEMU_${suffix}"
+                }, 
+                {
+                    "vnf-parameter-name": "repo_url_blob", 
+                    "vnf-parameter-value": "https://nexus.onap.org/content/sites/raw"
+                }, 
+                {
+                    "vnf-parameter-name": "repo_url_artifacts", 
+                    "vnf-parameter-value": "https://nexus.onap.org/content/groups/staging"
+                }, 
+                {
+                    "vnf-parameter-name": "demo_artifacts_version", 
+                    "vnf-parameter-value": "1.1.1"
+                }, 
+                {
+                    "vnf-parameter-name": "install_script_version", 
+                    "vnf-parameter-value": "1.1.1"
+                }, 
+                {
+                    "vnf-parameter-name": "key_name", 
+                    "vnf-parameter-value": "vbrgemu_key"
+                }, 
+                {
+                    "vnf-parameter-name": "pub_key", 
+                    "vnf-parameter-value": "${pub_key}"
+                }, 
+                {
+                    "vnf-parameter-name": "cloud_env", 
+                    "vnf-parameter-value": "openstack"
+                }, 
+                {
+                    "vnf-parameter-name": "vpp_source_repo_url", 
+                    "vnf-parameter-value": "https://gerrit.fd.io/r/vpp"
+                }, 
+                {
+                    "vnf-parameter-name": "vpp_source_repo_branch", 
+                    "vnf-parameter-value": "stable/1704"
+                }, 
+                {
+                    "vnf-parameter-name": "hc2vpp_source_repo_url", 
+                    "vnf-parameter-value": "https://gerrit.fd.io/r/hc2vpp"
+                }, 
+                {
+                    "vnf-parameter-name": "hc2vpp_source_repo_branch", 
+                    "vnf-parameter-value": "stable/1704"
+                }, 
+                {
+                    "vnf-parameter-name": "vpp_patch_url", 
+                    "vnf-parameter-value": "https://git.onap.org/demo/plain/vnfs/vCPE/vpp-option-82-for-vbrg/src/patches/VPP-Add-Option82-Nat-Filter-For-vBRG.patch"
+                }
+            ], 
+            "vnf-topology-identifier": {
+                "generic-vnf-name": "${generic_vnf_name}", 
+                "generic-vnf-type": "${generic_vnf_type}", 
+                "service-type": "${service_type}", 
+                "vnf-name": "${vnf_name}", 
+                "vnf-type": "${vnf_type}"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/vcpe/preload_templates/template.vcpe_vgw_vfmodule.json b/test/vcpe/preload_templates/template.vcpe_vgw_vfmodule.json
index 8b33482ab..d955a1d9c 100644
--- a/test/vcpe/preload_templates/template.vcpe_vgw_vfmodule.json
+++ b/test/vcpe/preload_templates/template.vcpe_vgw_vfmodule.json
@@ -1,121 +1,118 @@
 {
-   "VNF-API:input": {
-     "VNF-API:request-information": {
-       "VNF-API:request-id": "robot12",
-       "VNF-API:notification-url": "https://so.onap.org",
-       "VNF-API:order-number": "robot12",
-       "VNF-API:request-sub-action": "SUPP",
-       "VNF-API:request-action": "PreloadVNFRequest",
-       "VNF-API:source": "VID",
-       "VNF-API:order-version": "1.0"
-     },
-     "VNF-API:sdnc-request-header": {
-       "VNF-API:svc-action": "reserve",
-       "VNF-API:svc-notification-url": "https://son.onap.org",
-       "VNF-API:svc-request-id": "robot12"
-     },
-     "VNF-API:vnf-topology-information": {
-             "vnf-topology-identifier": {
-               "service-type": "VGW-SERVICE-TYPE",
-               "vnf-type": "VGW-VNF-TYPE",
-               "generic-vnf-name": "GENERIC-VGW-VNF-NAME0",
-               "generic-vnf-type": "GENERIC-VGW-VNF-TYPE",
-               "vnf-name": "VGW2BRG-${brg_mac}"
-       },
-       "VNF-API:vnf-parameters": [
-
-		{
-		"vnf-parameter-name": "public_net_id",
-		"vnf-parameter-value": "${public_net_id}"
-		},
-		{
-		"vnf-parameter-name": "mux_gw_private_net_id",
-		"vnf-parameter-value": "${mux_gw_net}"
-		},
-		{
-		"vnf-parameter-name": "mux_gw_private_subnet_id",
-		"vnf-parameter-value": "${mux_gw_subnet}"
-		},
-		{
-		"vnf-parameter-name": "mux_gw_private_net_cidr",
-		"vnf-parameter-value": "10.5.0.0/24"
-		},
-		{
-		"vnf-parameter-name": "cpe_public_net_id",
-		"vnf-parameter-value": "${cpe_public_net}"
-		},
-		{
-		"vnf-parameter-name": "cpe_public_subnet_id",
-		"vnf-parameter-value": "${cpe_public_subnet}"
-		},
-		{
-		"vnf-parameter-name": "cpe_public_net_cidr",
-		"vnf-parameter-value": "10.2.0.0/24"
-		},
-		{
-		"vnf-parameter-name": "vgw_private_ip_0",
-		"vnf-parameter-value": "10.5.0.22"
-		},
-		{
-		"vnf-parameter-name": "vgw_private_ip_1",
-		"vnf-parameter-value": "10.0.101.30"
-		},
-		{
-		"vnf-parameter-name": "vgw_name_0",
-		"vnf-parameter-value": "zdcpe1cpe01gw01_${suffix}"
-		},
-		{
-		"vnf-parameter-name": "mux_ip_addr",
-		"vnf-parameter-value": "10.5.0.21"
-		},
-		{
-		"vnf-parameter-name": "vg_vgmux_tunnel_vni",
-		"vnf-parameter-value": "100"
-		},
-		{
-		"vnf-parameter-name": "onap_private_net_id",
-		"vnf-parameter-value": "${oam_onap_net}"
-		},
-		{
-		"vnf-parameter-name": "onap_private_subnet_id",
-		"vnf-parameter-value": "${oam_onap_subnet}"
-		},
-		{
-		"vnf-parameter-name": "onap_private_net_cidr",
-		"vnf-parameter-value": "10.0.0.0/16"
-		},
-		{
-		"vnf-parameter-name": "repo_url_blob",
-		"vnf-parameter-value": "https://nexus.onap.org/content/sites/raw"
-		},
-		{
-		"vnf-parameter-name": "repo_url_artifacts",
-		"vnf-parameter-value": "https://nexus.onap.org/content/groups/staging"
-		},
-		{
-		"vnf-parameter-name": "demo_artifacts_version",
-		"vnf-parameter-value": "1.1.1"
-		},
-		{
-		"vnf-parameter-name": "install_script_version",
-		"vnf-parameter-value": "1.1.1"
-		},
-		{
-		"vnf-parameter-name": "key_name",
-		"vnf-parameter-value": "vgw_key"
-		},
-		{
-		"vnf-parameter-name": "pub_key",
-		"vnf-parameter-value": "${pub_key}"
-		},
-		{
-		"vnf-parameter-name": "cloud_env",
-		"vnf-parameter-value": "openstack"
-		}
-       ],
-       "VNF-API:vnf-assignments": {
-         }
-       }
-     }
-}
-
+    "VNF-API:input": {
+        "VNF-API:request-information": {
+            "VNF-API:notification-url": "https://so.onap.org", 
+            "VNF-API:order-number": "robot12", 
+            "VNF-API:order-version": "1.0", 
+            "VNF-API:request-action": "PreloadVNFRequest", 
+            "VNF-API:request-id": "robot12", 
+            "VNF-API:request-sub-action": "SUPP", 
+            "VNF-API:source": "VID"
+        }, 
+        "VNF-API:sdnc-request-header": {
+            "VNF-API:svc-action": "reserve", 
+            "VNF-API:svc-notification-url": "https://son.onap.org", 
+            "VNF-API:svc-request-id": "robot12"
+        }, 
+        "VNF-API:vnf-topology-information": {
+            "VNF-API:vnf-assignments": {}, 
+            "VNF-API:vnf-parameters": [
+                {
+                    "vnf-parameter-name": "public_net_id", 
+                    "vnf-parameter-value": "${public_net_id}"
+                }, 
+                {
+                    "vnf-parameter-name": "mux_gw_private_net_id", 
+                    "vnf-parameter-value": "${mux_gw_net}"
+                }, 
+                {
+                    "vnf-parameter-name": "mux_gw_private_subnet_id", 
+                    "vnf-parameter-value": "${mux_gw_subnet}"
+                }, 
+                {
+                    "vnf-parameter-name": "mux_gw_private_net_cidr", 
+                    "vnf-parameter-value": "10.5.0.0/24"
+                }, 
+                {
+                    "vnf-parameter-name": "cpe_public_net_id", 
+                    "vnf-parameter-value": "${cpe_public_net}"
+                }, 
+                {
+                    "vnf-parameter-name": "cpe_public_subnet_id", 
+                    "vnf-parameter-value": "${cpe_public_subnet}"
+                }, 
+                {
+                    "vnf-parameter-name": "cpe_public_net_cidr", 
+                    "vnf-parameter-value": "10.2.0.0/24"
+                }, 
+                {
+                    "vnf-parameter-name": "vgw_private_ip_0", 
+                    "vnf-parameter-value": "10.5.0.45"
+                }, 
+                {
+                    "vnf-parameter-name": "vgw_private_ip_1", 
+                    "vnf-parameter-value": "10.0.101.45"
+                }, 
+                {
+                    "vnf-parameter-name": "vgw_name_0", 
+                    "vnf-parameter-value": "zdcpe1cpe01gw01_${suffix}"
+                }, 
+                {
+                    "vnf-parameter-name": "mux_ip_addr", 
+                    "vnf-parameter-value": "10.5.0.21"
+                }, 
+                {
+                    "vnf-parameter-name": "vg_vgmux_tunnel_vni", 
+                    "vnf-parameter-value": "45"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_net_id", 
+                    "vnf-parameter-value": "${oam_onap_net}"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_subnet_id", 
+                    "vnf-parameter-value": "${oam_onap_subnet}"
+                }, 
+                {
+                    "vnf-parameter-name": "onap_private_net_cidr", 
+                    "vnf-parameter-value": "10.0.0.0/16"
+                }, 
+                {
+                    "vnf-parameter-name": "repo_url_blob", 
+                    "vnf-parameter-value": "https://nexus.onap.org/content/sites/raw"
+                }, 
+                {
+                    "vnf-parameter-name": "repo_url_artifacts", 
+                    "vnf-parameter-value": "https://nexus.onap.org/content/groups/staging"
+                }, 
+                {
+                    "vnf-parameter-name": "demo_artifacts_version", 
+                    "vnf-parameter-value": "1.1.1"
+                }, 
+                {
+                    "vnf-parameter-name": "install_script_version", 
+                    "vnf-parameter-value": "1.1.1"
+                }, 
+                {
+                    "vnf-parameter-name": "key_name", 
+                    "vnf-parameter-value": "vgw_key"
+                }, 
+                {
+                    "vnf-parameter-name": "pub_key", 
+                    "vnf-parameter-value": "${pub_key}"
+                }, 
+                {
+                    "vnf-parameter-name": "cloud_env", 
+                    "vnf-parameter-value": "openstack"
+                }
+            ], 
+            "vnf-topology-identifier": {
+                "generic-vnf-name": "GENERIC-VGW-VNF-NAME0", 
+                "generic-vnf-type": "GENERIC-VGW-VNF-TYPE", 
+                "service-type": "VGW-SERVICE-TYPE", 
+                "vnf-name": "VGW2BRG-${brg_mac}", 
+                "vnf-type": "VGW-VNF-TYPE"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/vcpe/preload_templates/template_sniro_data.json b/test/vcpe/preload_templates/template_sniro_data.json
index 6fa200395..92c9cc719 100644
--- a/test/vcpe/preload_templates/template_sniro_data.json
+++ b/test/vcpe/preload_templates/template_sniro_data.json
@@ -7,6 +7,7 @@
             "resourceModuleName" : "${tunnelxconn_ar_name}",
             "serviceInstanceId" : "${vgmux_svc_instance_uuid}",
             "serviceResourceId" : "TUNNEL-RESOURCE-ID-REPLACE",
+            "isRehome" : "False",
 			"assignmentInfo": [ { "variableName": "cloudOwner", "variableValue": "CloudOwner"}, {"variableName": "vnfHostName", "variableValue": "vnfHostName" }] 
          },
          {
@@ -15,6 +16,7 @@
             "resourceModuleName" : "${vgw_name}",
             "serviceInstanceId" : "vG-service-instance-id",
             "serviceResourceId" : "VGW-RESOURCE-ID-REPLACE",
+            "isRehome" : "False",
 			"assignmentInfo": [ { "variableName": "cloudOwner", "variableValue": "CloudOwner"}, {"variableName": "vnfHostName", "variableValue": "vnfHostName" }] 
          },
          {
@@ -23,6 +25,7 @@
             "resourceModuleName" : "${brg_ar_name}",
             "serviceInstanceId" : "${vbrg_svc_instance_uuid}",
             "serviceResourceId" : "BRG-RESOURCE-ID-REPLACE",
+            "isRehome" : "False",
 			"assignmentInfo": [ { "variableName": "cloudOwner", "variableValue": "CloudOwner"}, {"variableName": "vnfHostName", "variableValue": "vnfHostName" }] 
          }
       ]
diff --git a/test/vcpe/vcpe.py b/test/vcpe/vcpe.py
index 7de86ae8d..c4737296b 100755
--- a/test/vcpe/vcpe.py
+++ b/test/vcpe/vcpe.py
@@ -8,6 +8,7 @@ import preload
 import vcpe_custom_service
 import csar_parser
 import config_sdnc_so
+import json
 
 
 def config_sniro(vcpecommon, vgmux_svc_instance_uuid, vbrg_svc_instance_uuid):
@@ -49,13 +50,15 @@ def create_one_service(vcpecommon, csar_file, vnf_template_file, preload_dict, s
     so = soutils.SoUtils(vcpecommon, 'v4')
     return so.create_entire_service(csar_file, vnf_template_file, preload_dict, suffix, heatbridge)
 
+
 def deploy_brg_only():
     logging.basicConfig(level=logging.INFO, format='%(message)s')
     logger = logging.getLogger(__name__)
 
     vcpecommon = VcpeCommon()
     preload_dict = vcpecommon.load_preload_data()
-    name_suffix = preload_dict['${brg_bng_net}'].split('_')[-1]
+#    name_suffix = preload_dict['${brg_bng_net}'].split('_')[-1]
+    name_suffix = datetime.now().strftime('%Y%m%d%H%M')
 
     # create multiple services based on the pre-determined order
     svc_instance_uuid = vcpecommon.load_object(vcpecommon.svc_instance_uuid_file)
@@ -63,6 +66,7 @@ def deploy_brg_only():
         heatbridge = 'gmux' == keyword
         csar_file = vcpecommon.find_file(keyword, 'csar', 'csar')
         vnf_template_file = vcpecommon.find_file(keyword, 'json', 'preload_templates')
+        vcpecommon.increase_ip_address_or_vni_in_template(vnf_template_file, ['vbrgemu_private_ip_0'])
         svc_instance_uuid[keyword] = create_one_service(vcpecommon, csar_file, vnf_template_file, preload_dict,
                                                         name_suffix, heatbridge)
         if not svc_instance_uuid[keyword]:
@@ -71,8 +75,8 @@ def deploy_brg_only():
     # Setting up SNIRO
     config_sniro(vcpecommon, svc_instance_uuid['gmux'], svc_instance_uuid['brg'])
 
+
 def deploy_infra():
-    logging.basicConfig(level=logging.INFO, format='%(message)s')
     logger = logging.getLogger(__name__)
 
     vcpecommon = VcpeCommon()
@@ -127,12 +131,12 @@ def deploy_custom_service():
     custom_service = vcpe_custom_service.CustomService(vcpecommon)
 
     # clean up
-    host_dic = {k: vcpecommon.hosts[k] for k in nodes}
-    if not vcpecommon.delete_vxlan_interfaces(host_dic):
-        sys.exit()
+    #host_dic = {k: vcpecommon.hosts[k] for k in nodes}
+    #if not vcpecommon.delete_vxlan_interfaces(host_dic):
+    #    sys.exit()
 
-    custom_service.clean_up_sdnc()
-    custom_service.del_all_vgw_stacks(vcpecommon.vgw_name_keyword)
+    #custom_service.clean_up_sdnc()
+    #custom_service.del_all_vgw_stacks(vcpecommon.vgw_name_keyword)
 
     # create new service
     csar_file = vcpecommon.find_file('rescust', 'csar', 'csar')
@@ -171,6 +175,15 @@ def init_so_sdnc():
     config_sdnc_so.insert_customer_service_to_sdnc(vcpecommon)
 
 
+def tmp_sniro():
+    logger = logging.getLogger(__name__)
+
+    vcpecommon = VcpeCommon()
+
+    svc_instance_uuid = vcpecommon.load_object(vcpecommon.svc_instance_uuid_file)
+    # Setting up SNIRO
+    config_sniro(vcpecommon, svc_instance_uuid['gmux'], svc_instance_uuid['brg'])
+
 if __name__ == '__main__':
     logging.basicConfig(level=logging.INFO, format='%(message)s')
 
diff --git a/test/vcpe/vcpe_custom_service.py b/test/vcpe/vcpe_custom_service.py
index d89129eef..af76803aa 100755
--- a/test/vcpe/vcpe_custom_service.py
+++ b/test/vcpe/vcpe_custom_service.py
@@ -72,6 +72,8 @@ class CustomService:
         # preload vGW
         if preload_dict:
             preloader = preload.Preload(self.vcpecommon)
+            parameters_to_change = ['vgw_private_ip_0', 'vgw_private_ip_1', 'vg_vgmux_tunnel_vni']
+            self.vcpecommon.increase_ip_address_or_vni_in_template(vgw_template_file, parameters_to_change)
             preloader.preload_vgw(vgw_template_file, brg_mac, preload_dict, name_suffix)
 
         # create service
diff --git a/test/vcpe/vcpecommon.py b/test/vcpe/vcpecommon.py
index cac5219ea..0213183e8 100755
--- a/test/vcpe/vcpecommon.py
+++ b/test/vcpe/vcpecommon.py
@@ -41,6 +41,7 @@ class VcpeCommon:
     #############################################################################################
 
     template_variable_symbol = '${'
+    cpe_vm_prefix = 'zdcpe'
     #############################################################################################
     # preloading network config
     #  key=network role
@@ -120,7 +121,7 @@ class VcpeCommon:
         self.so_db_name = 'mso_catalog'
         self.so_db_user = 'root'
         self.so_db_pass = 'password'
-        self.so_db_port = '32768'
+        self.so_db_port = '32769'
 
         self.vpp_inf_url = 'http://{0}:8183/restconf/config/ietf-interfaces:interfaces'
         self.vpp_api_headers = {'Content-Type': 'application/json', 'Accept': 'application/json'}
@@ -138,7 +139,8 @@ class VcpeCommon:
 
     def get_brg_mac_from_sdnc(self):
         """
-        :return:  BRG MAC address. Currently we only support one BRG instance.
+        Check table DHCP_MAP in the SDNC DB. Find the newly instantiated BRG MAC address.
+        Note that there might be multiple BRGs, the most recently instantiated BRG always has the largest IP address.
         """
         cnx = mysql.connector.connect(user=self.sdnc_db_user, password=self.sdnc_db_pass, database=self.sdnc_db_name,
                                       host=self.hosts['sdnc'], port=self.sdnc_db_port)
@@ -147,36 +149,30 @@ class VcpeCommon:
         cursor.execute(query)
 
         self.logger.debug('DHCP_MAP table in SDNC')
-        counter = 0
-        mac = None
+        mac_recent = None
+        host = -1
         for mac, ip in cursor:
-            counter += 1
             self.logger.debug(mac + ':' + ip)
+            this_host = int(ip.split('.')[-1])
+            if host < this_host:
+                host = this_host
+                mac_recent = mac
 
         cnx.close()
 
-        if counter != 1:
-            self.logger.error('Found %s MAC addresses in DHCP_MAP', counter)
-            sys.exit()
-        else:
-            self.logger.debug('Found MAC addresses in DHCP_MAP: %s', mac)
-            return mac
+        assert mac_recent
+        return mac_recent
 
-    def insert_into_sdnc_db(self, cmds):
-        cnx = mysql.connector.connect(user=self.sdnc_db_user, password=self.sdnc_db_pass, database=self.sdnc_db_name,
-                                      host=self.hosts['sdnc'], port=self.sdnc_db_port)
-        cursor = cnx.cursor()
-        for cmd in cmds:
-            self.logger.debug(cmd)
-            cursor.execute(cmd)
-            self.logger.debug('%s', cursor)
-        cnx.commit()
-        cursor.close()
-        cnx.close()
+    def execute_cmds_sdnc_db(self, cmds):
+        self.execute_cmds_db(cmds, self.sdnc_db_user, self.sdnc_db_pass, self.sdnc_db_name,
+                             self.hosts['sdnc'], self.sdnc_db_port)
 
-    def insert_into_so_db(self, cmds):
-        cnx = mysql.connector.connect(user=self.so_db_user, password=self.so_db_pass, database=self.so_db_name,
-                                      host=self.hosts['so'], port=self.so_db_port)
+    def execute_cmds_so_db(self, cmds):
+        self.execute_cmds_db(cmds, self.so_db_user, self.so_db_pass, self.so_db_name,
+                             self.hosts['so'], self.so_db_port)
+
+    def execute_cmds_db(self, cmds, dbuser, dbpass, dbname, host, port):
+        cnx = mysql.connector.connect(user=dbuser, password=dbpass, database=dbname, host=host, port=port)
         cursor = cnx.cursor()
         for cmd in cmds:
             self.logger.debug(cmd)
@@ -309,18 +305,12 @@ class VcpeCommon:
         openstackcmd = 'nova ' + param + ' list'
         self.logger.debug(openstackcmd)
 
-        ip_dict = {}
         results = os.popen(openstackcmd).read()
-        for line in results.split('\n'):
-            fields = line.split('|')
-            if len(fields) == 8:
-                vm_name = fields[2]
-                ip_info = fields[-2]
-                for keyword in keywords:
-                    if keyword in vm_name:
-                        ip = self.extract_ip_from_str(net_addr, net_addr_len, ip_info)
-                        if ip:
-                            ip_dict[keyword] = ip
+        all_vm_ip_dict = self.extract_vm_ip_as_dict(results, net_addr, net_addr_len)
+        latest_vm_list = self.remove_old_vms(all_vm_ip_dict.keys(), self.cpe_vm_prefix)
+        latest_vm_ip_dict = {vm: all_vm_ip_dict[vm] for vm in latest_vm_list}
+        ip_dict = self.select_subset_vm_ip(latest_vm_ip_dict, keywords)
+
         if len(ip_dict) != len(keywords):
             self.logger.error('Cannot find all desired IP addresses for %s.', keywords)
             self.logger.error(json.dumps(ip_dict, indent=4, sort_keys=True))
@@ -328,6 +318,48 @@ class VcpeCommon:
 #            sys.exit()
         return ip_dict
 
+    def extract_vm_ip_as_dict(self, novalist_results, net_addr, net_addr_len):
+        vm_ip_dict = {}
+        for line in novalist_results.split('\n'):
+            fields = line.split('|')
+            if len(fields) == 8:
+                vm_name = fields[2]
+                ip_info = fields[-2]
+                ip = self.extract_ip_from_str(net_addr, net_addr_len, ip_info)
+                vm_ip_dict[vm_name] = ip
+
+        return vm_ip_dict
+
+    def remove_old_vms(self, vm_list, prefix):
+        """
+        For vms with format name_timestamp, only keep the one with the latest timestamp.
+        E.g.,
+            zdcpe1cpe01brgemu01_201805222148        (drop this)
+            zdcpe1cpe01brgemu01_201805222229        (keep this)
+            zdcpe1cpe01gw01_201805162201
+        """
+        new_vm_list = []
+        same_type_vm_dict = {}
+        for vm in vm_list:
+            fields = vm.split('_')
+            if vm.startswith(prefix) and len(fields) == 2 and len(fields[-1]) == len('201805222148') and fields[-1].isdigit():
+                if vm > same_type_vm_dict.get(fields[0], '0'):
+                    same_type_vm_dict[fields[0]] = vm
+            else:
+                new_vm_list.append(vm)
+
+        new_vm_list.extend(same_type_vm_dict.values())
+        return new_vm_list
+
+    def select_subset_vm_ip(self, all_vm_ip_dict, vm_name_keyword_list):
+        vm_ip_dict = {}
+        for keyword in vm_name_keyword_list:
+            for vm, ip in all_vm_ip_dict.items():
+                if keyword in vm:
+                    vm_ip_dict[keyword] = ip
+                    break
+        return vm_ip_dict
+
     def del_vgmux_ves_mode(self):
         url = self.vpp_ves_url.format(self.hosts['mux']) + '/mode'
         r = requests.delete(url, headers=self.vpp_api_headers, auth=self.vpp_api_userpass)
@@ -412,6 +444,26 @@ class VcpeCommon:
         with open(filepathname, 'rb') as fin:
             return pickle.load(fin)
 
+    @staticmethod
+    def increase_ip_address_or_vni_in_template(vnf_template_file, vnf_parameter_name_list):
+        with open(vnf_template_file) as json_input:
+            json_data = json.load(json_input)
+            param_list = json_data['VNF-API:input']['VNF-API:vnf-topology-information']['VNF-API:vnf-parameters']
+            for param in param_list:
+                if param['vnf-parameter-name'] in vnf_parameter_name_list:
+                    ipaddr_or_vni = param['vnf-parameter-value'].split('.')
+                    number = int(ipaddr_or_vni[-1])
+                    if 254 == number:
+                        number = 10
+                    else:
+                        number = number + 1
+                    ipaddr_or_vni[-1] = str(number)
+                    param['vnf-parameter-value'] = '.'.join(ipaddr_or_vni)
+
+        assert json_data is not None
+        with open(vnf_template_file, 'w') as json_output:
+            json.dump(json_data, json_output, indent=4, sort_keys=True)
+
     def save_preload_data(self, preload_data):
         self.save_object(preload_data, self.preload_dict_file)