X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_lcm%2Fng_ro.py;h=edbaf88af153db3a9bef925a2f13af9e24eedb96;hb=1b782761acbcbbe4666d667a0f04a44f136ef1a3;hp=b8893e842731e10e2f83073593b8e6f3a13082dc;hpb=5697b8b03a3acd17827ce536cb8aff15df8776ad;p=osm%2FLCM.git

diff --git a/osm_lcm/ng_ro.py b/osm_lcm/ng_ro.py
index b8893e8..edbaf88 100644
--- a/osm_lcm/ng_ro.py
+++ b/osm_lcm/ng_ro.py
@@ -123,6 +123,39 @@ class NgRoClient:
         except asyncio.TimeoutError:
             raise NgRoException("Timeout", http_code=504)
 
+    async def migrate(self, nsr_id, target):
+        """
+        Performs migration of VNFs
+        :param nsr_id: NS Instance Id
+        :param target: payload data for migrate operation
+        :return: dictionary with the information or raises NgRoException on Error
+        """
+        try:
+            if isinstance(target, str):
+                target = self._parse_yaml(target)
+            payload_req = yaml.safe_dump(target)
+
+            url = "{}/ns/v1/migrate/{nsr_id}".format(self.endpoint_url, nsr_id=nsr_id)
+            async with aiohttp.ClientSession(loop=self.loop) as session:
+                self.logger.debug("NG-RO POST %s %s", url, payload_req)
+                # timeout = aiohttp.ClientTimeout(total=self.timeout_large)
+                async with session.post(
+                    url, headers=self.headers_req, data=payload_req
+                ) as response:
+                    response_text = await response.read()
+                    self.logger.debug(
+                        "POST {} [{}] {}".format(
+                            url, response.status, response_text[:100]
+                        )
+                    )
+                    if response.status >= 300:
+                        raise NgRoException(response_text, http_code=response.status)
+                    return self._parse_yaml(response_text, response=True)
+        except (aiohttp.ClientOSError, aiohttp.ClientError) as e:
+            raise NgRoException(e, http_code=504)
+        except asyncio.TimeoutError:
+            raise NgRoException("Timeout", http_code=504)
+
     async def status(self, nsr_id, action_id):
         try:
             url = "{}/ns/v1/deploy/{nsr_id}/{action_id}".format(