Implementation of API validaton exemption in dovetail

This patch adds the ability to Dovetail to disable strict API
response validation in Tempest-based test cases run by Functest.

Corresponding updates of the web portal and backporting of this patch to
OVP 1.0.0 (Danube) will follow.

JIRA: DOVETAIL-633

Change-Id: Iace99ea1b6224ea907a2c3af8676e9285e6ad3ee
Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>

3 files changed, 28 insertions, 3 deletions

diff --git a/dovetail/constants.py b/dovetail/constants.py
index c3ce615e..00203f53 100644
--- a/dovetail/constants.py
+++ b/dovetail/constants.py
@@ -11,7 +11,7 @@ import os.path
 
 DOVETAIL_CONF_PATH = '/etc/dovetail'
 USERCONF_PATH = os.path.join(DOVETAIL_CONF_PATH, 'userconfig')
-PATCH_PATH = os.path.join(DOVETAIL_CONF_PATH, 'patch')
+PATCH_PATH = os.path.join(DOVETAIL_CONF_PATH, 'patches')
 CONF_PATH = os.path.join(DOVETAIL_CONF_PATH, 'conf')
 TESTCASE_PATH = os.path.join(DOVETAIL_CONF_PATH, 'testcase')
 COMPLIANCE_PATH = os.path.join(DOVETAIL_CONF_PATH, 'compliance')
diff --git a/dovetail/run.py b/dovetail/run.py
index 13e365c9..731d84d2 100755
--- a/dovetail/run.py
+++ b/dovetail/run.py
@@ -220,7 +220,7 @@ def get_result_path():
     dt_cfg.dovetail_config['images_dir'] = os.path.join(dovetail_home,
                                                         'images')
     pre_config_path = os.path.join(dovetail_home, 'pre_config')
-    patch_set_path = os.path.join(dovetail_home, 'patch')
+    patch_set_path = os.path.join(dovetail_home, 'patches')
     dt_cfg.dovetail_config['config_dir'] = pre_config_path
     dt_cfg.dovetail_config['patch_dir'] = patch_set_path
     return dovetail_home
@@ -238,7 +238,7 @@ def copy_patch_files(logger):
     patch_set_path = dt_cfg.dovetail_config['patch_dir']
     if not os.path.isdir(patch_set_path):
         os.makedirs(patch_set_path)
-    cmd = 'sudo cp -r %s/* %s' % (constants.PATCH_PATH, patch_set_path)
+    cmd = 'sudo cp -a -r %s/* %s' % (constants.PATCH_PATH, patch_set_path)
     dt_utils.exec_cmd(cmd, logger, exit_on_error=False)
 
 
@@ -303,6 +303,12 @@ def main(*args, **kwargs):
     else:
         dt_cfg.dovetail_config['offline'] = False
 
+    if kwargs['no_api_validation']:
+        dt_cfg.dovetail_config['no_api_validation'] = True
+        logger.warning('Strict API response validation DISABLED.')
+    else:
+        dt_cfg.dovetail_config['no_api_validation'] = False
+
     dt_utils.get_hardware_info(logger)
 
     origin_testarea = kwargs['testarea']
diff --git a/dovetail/testcase.py b/dovetail/testcase.py
index 86f8061d..866c33b8 100644
--- a/dovetail/testcase.py
+++ b/dovetail/testcase.py
@@ -289,6 +289,25 @@ class FunctestTestcase(Testcase):
         super(FunctestTestcase, self).__init__(testcase_yaml)
         self.type = 'functest'
 
+    def prepare_cmd(self, test_type):
+        if not super(FunctestTestcase, self).prepare_cmd(test_type):
+            return False
+
+        # if API validation is disabled, append a command for applying a
+        # patch inside the functest container
+        if dt_cfg.dovetail_config['no_api_validation']:
+            patch_cmd = os.path.join(
+                dt_cfg.dovetail_config['functest']['config']['dir'],
+                'patches',
+                'functest',
+                'disable-api-validation',
+                'apply.sh')
+            self.cmds = [patch_cmd] + self.cmds
+            self.logger.debug('Updated list of commands for test run with '
+                              'disabled API response validation: {}'
+                              .format(self.cmds))
+        return True
+
 
 class YardstickTestcase(Testcase):