Functional test for a big VNFD template.

1. Introduce a large VNFD file template (>4K).
2. Functional gate test to test a large VNFD template.
Closes-Bug: 1538791

Change-Id: I19b2b946dd23069bccc8bf2c7f8e9d6f9171ec90

tacker/tests/etc/samples/sample-tosca-vnfd-large-template.yaml

@@ -0,0 +1,137 @@
+tosca_definitions_version: tosca_simple_profile_for_nfv_1_0_0
+
+description: Demo example
+
+metadata:
+  template_name: sample-tosca-vnfd-large-template
+
+topology_template:
+  node_templates:
+    VDU1:
+      type: tosca.nodes.nfv.VDU.Tacker
+      properties:
+        image: cirros-0.3.4-x86_64-uec
+        flavor: m1.tiny
+        availability_zone: nova
+        mgmt_driver: noop
+        config: |
+          param0: key1
+          param1: key2
+        user_data_format: RAW
+        user_data: |
+          #!/bin/sh
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+
+    CP11:
+      type: tosca.nodes.nfv.CP.Tacker
+      properties:
+        management: true
+        anti_spoofing_protection: false
+      requirements:
+        - virtualLink:
+            node: VL1
+        - virtualBinding:
+            node: VDU1
+
+    CP12:
+      type: tosca.nodes.nfv.CP.Tacker
+      properties:
+        anti_spoofing_protection: false
+      requirements:
+        - virtualLink:
+            node: VL2
+        - virtualBinding:
+            node: VDU1
+
+    VDU2:
+      type: tosca.nodes.nfv.VDU.Tacker
+      properties:
+        image: cirros-0.3.4-x86_64-uec
+        flavor: m1.medium
+        availability_zone: nova
+        mgmt_driver: noop
+        config: |
+          param0: key1
+          param1: key2
+        user_data_format: RAW
+        user_data: |
+          #!/bin/sh
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+          echo "my hostname is `hostname`" > /tmp/hostname
+
+    CP21:
+      type: tosca.nodes.nfv.CP.Tacker
+      properties:
+        management: true
+      requirements:
+        - virtualLink:
+            node: VL1
+        - virtualBinding:
+            node: VDU2
+
+    CP22:
+      type: tosca.nodes.nfv.CP.Tacker
+      requirements:
+        - virtualLink:
+            node: VL2
+        - virtualBinding:
+            node: VDU2
+
+    VL1:
+      type: tosca.nodes.nfv.VL
+      properties:
+        network_name: net_mgmt
+        vendor: Tacker
+
+    VL2:
+      type: tosca.nodes.nfv.VL
+      properties:
+        network_name: net0
+        vendor: Tacker