Create API to update openrc

API: /api/v1/functest/openstack/action
METHOD: POST
PARAMS:
{
    "action": "update_openrc",
    "args": {
         "openrc": {
             "OS_AUTH_URL": "http://192.168.30.222:5000/v3",
             "OS_IDENTITY_API_VERSION": "3",
             "OS_IMAGE_API_VERSION": "2",
             "OS_PASSWORD": "console",
             "OS_PROJECT_DOMAIN_NAME": "default",
             "OS_PROJECT_NAME": "admin",
             "OS_TENANT_NAME": "admin",
             "OS_USERNAME": "admin",
             "OS_USER_DOMAIN_NAME": "default"
         }
    }
}

JIRA: FUNCTEST-855

Change-Id: I7c935483c264f2b1b47239684392c8a37dc23d26
Signed-off-by: Linda Wang <wangwulin@huawei.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/functest/api/resources/v1/creds.py b/functest/api/resources/v1/creds.py
index e402d7e3..45e4559f 100644
--- a/functest/api/resources/v1/creds.py
+++ b/functest/api/resources/v1/creds.py
@@ -11,13 +11,19 @@
 Resources to handle openstack related requests
 """
 
+import collections
+import logging
+
 from flask import jsonify
 
 from functest.api.base import ApiResource
+from functest.api.common import api_utils
 from functest.cli.commands.cli_os import OpenStack
 from functest.utils import openstack_utils as os_utils
 from functest.utils.constants import CONST
 
+LOGGER = logging.getLogger(__name__)
+
 
 class V1Creds(ApiResource):
     """ V1Creds Resource class"""
@@ -27,3 +33,35 @@ class V1Creds(ApiResource):
         os_utils.source_credentials(CONST.__getattribute__('openstack_creds'))
         credentials_show = OpenStack.show_credentials()
         return jsonify(credentials_show)
+
+    def post(self):
+        """ Used to handle post request """
+        return self._dispatch_post()
+
+    def update_openrc(self, args):  # pylint: disable=no-self-use
+        """ Used to update the OpenStack RC file """
+        try:
+            openrc_vars = args['openrc']
+        except KeyError:
+            return api_utils.result_handler(
+                status=0, data='openrc must be provided')
+        else:
+            if not isinstance(openrc_vars, collections.Mapping):
+                return api_utils.result_handler(
+                    status=0, data='args should be a dict')
+
+        lines = ['export {}={}\n'.format(k, v) for k, v in openrc_vars.items()]
+
+        rc_file = CONST.__getattribute__('openstack_creds')
+        with open(rc_file, 'w') as creds_file:
+            creds_file.writelines(lines)
+
+        LOGGER.info("Sourcing the OpenStack RC file...")
+        try:
+            os_utils.source_credentials(rc_file)
+        except Exception as err:  # pylint: disable=broad-except
+            LOGGER.exception('Failed to source the OpenStack RC file')
+            return api_utils.result_handler(status=0, data=str(err))
+
+        return api_utils.result_handler(
+            status=0, data='Update openrc successfully')