[INT] Add python code for vnf lifecycle validation

This is a commit to go with
https://gerrit.onap.org/r/c/testsuite/+/94485

Issue-ID: INT-1197
Signed-off-by: stark, steven <steven.stark@att.com>
Change-Id: I7f5a8b0ce3c614d48e5d20484034e030bb82688a

1 files changed, 130 insertions, 0 deletions

diff --git a/robotframework-onap/ONAPLibrary/VVPValidation.py b/robotframework-onap/ONAPLibrary/VVPValidation.py
new file mode 100644
index 0000000..0ec99ad
--- /dev/null
+++ b/robotframework-onap/ONAPLibrary/VVPValidation.py
@@ -0,0 +1,130 @@
+# Copyright 2019 AT&T Intellectual Property. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from robot.api.deco import keyword
+import os
+import subprocess
+
+VVP_BRANCH = "master"
+VVP_URL = "https://gerrit.onap.org/r/vvp/validation-scripts"
+
+
+# use this to import and run validation from robot
+class HeatValidationScripts:
+    def __init__(self):
+        pass
+
+    @keyword
+    def validate(self, build_dir, template_directory, output_directory):
+        """
+        keyword invoked by robot to execute VVP validation scripts
+
+        :build_dir:                 directory to install virtualenv
+                                    and clone validation scripts
+        :template_directory:        directory with heat templates
+        :output_directory:          directory to store output files
+        """
+        t = VVP(build_dir, template_directory, output_directory)
+        t.install_requirements()
+        status = t.run_vvp()
+
+        return status
+
+
+class VVP:
+    def __init__(self, build_dir, template_directory, output_directory):
+        self._build_dir = build_dir
+        self.initialize()
+
+        self.virtualenv = "{}/test_env".format(build_dir)
+        self.vvp = "{}/validation_scripts".format(build_dir)
+        self.template_directory = template_directory
+        self.output_directory = output_directory
+
+    def initialize(self):
+        self.create_venv(self._build_dir)
+        self.clone_vvp(self._build_dir)
+
+    def create_venv(self, build_dir):
+        try:
+            subprocess.call(
+                ["python3.7", "-m", "virtualenv", "--clear", "{}/test_env".format(build_dir)]
+            )
+        except OSError as e:
+            print("error creating virtual environment for vvp {}".format(e))
+            raise
+
+    def clone_vvp(self, build_dir):
+        if not os.path.exists("{}/validation_scripts".format(build_dir)):
+            try:
+                subprocess.call(
+                    [
+                        "git",
+                        "clone",
+                        "-b",
+                        VVP_BRANCH,
+                        VVP_URL,
+                        "{}/validation_scripts".format(build_dir),
+                    ]
+                )
+            except OSError as e:
+                print("error cloning vvp validation scripts {}".format(e))
+                raise
+
+    def install_requirements(self):
+        try:
+            subprocess.call(
+                [
+                    "{}/bin/python".format(self.virtualenv),
+                    "-m",
+                    "pip",
+                    "install",
+                    "--upgrade",
+                    "pip",
+                    "wheel",
+                ]
+            )
+            subprocess.call(
+                [
+                    "{}/bin/python".format(self.virtualenv),
+                    "-m",
+                    "pip",
+                    "install",
+                    "wheel",
+                    "-r",
+                    "{}/requirements.txt".format(self.vvp),
+                ]
+            )
+        except OSError as e:
+            print("error installing vvp requirements {}".format(e))
+            raise
+
+    def run_vvp(self):
+        try:
+            ret = subprocess.call(
+                [
+                    "{}/bin/python".format(self.virtualenv),
+                    "-m",
+                    "pytest",
+                    "--rootdir={}/ice_validator/".format(self.vvp),
+                    "--template-directory={}".format(self.template_directory),
+                    "--output-directory={}".format(self.output_directory),
+                    "{}/ice_validator/tests/".format(self.vvp),
+                ]
+            )
+        except OSError as e:
+            print("error running vvp validation scripts {}".format(e))
+            raise
+
+        if ret != 0:
+            raise ValueError("Validation Script error detected")