Creating a reusable Restconf client

[ccsdk/cds.git] / components / model-catalog / blueprint-model / test-blueprint / capability_restconf / Scripts / python / RestconfConfigDeploy.py

diff --git a/components/model-catalog/blueprint-model/test-blueprint/capability_restconf/Scripts/python/RestconfConfigDeploy.py b/components/model-catalog/blueprint-model/test-blueprint/capability_restconf/Scripts/python/RestconfConfigDeploy.py
index 518666a..78a38a2 100644 (file)
--- a/components/model-catalog/blueprint-model/test-blueprint/capability_restconf/Scripts/python/RestconfConfigDeploy.py
+++ b/components/model-catalog/blueprint-model/test-blueprint/capability_restconf/Scripts/python/RestconfConfigDeploy.py
@@ -12,101 +12,61 @@
 # 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.
-#
-# SPDX-License-Identifier: Apache-2.0
 # ============LICENSE_END=========================================================
-from time import sleep
 
 from org.onap.ccsdk.cds.blueprintsprocessor.functions.restconf.executor import \
     RestconfComponentFunction
 from java.lang import Exception as JavaException
 
+from restconf_client import RestconfClient
+
 
 class RestconfConfigDeploy(RestconfComponentFunction):
 
     log = globals()["log"]
-    seconds_to_sleep = 5
-    base_mount_url = "restconf/config/network-topology:network-topology/topology/topology-netconf/node/"
-    server_identifier = "sdncodl"
     configlet_template_name = "config-assign"
+    configlet_resource_path = "/yang-ext:mount/mynetconf:netconflist"
+    restconf_server_identifier = "sdncodl"
 
     def process(self, execution_request):
 
         self.log.info("Started execution of process method")
         try:
-            self.log.info("getting resolution-key")
-            resolution_key = self.getDynamicProperties("resolution-key").asText()
-            self.log.info("resolution_key: {}", resolution_key)
-
-            self.log.info("getting pnf-id")
-            pnf_id = execution_request.payload.get("config-deploy-request").get("config-deploy-properties").get("entity").get("pnf-id")
-            pnf_id = str(pnf_id).strip('\"')
-            self.log.info("pnf-id: {}", pnf_id)
-
-            self.log.info("mounting device {}", pnf_id)
-            self.mount(pnf_id)
-
-            self.log.info("sleeping for {} seconds", self.seconds_to_sleep)
-            sleep(self.seconds_to_sleep)
+            restconf_client = RestconfClient(self.log, self)
+            pnf_id, resolution_key = self.retrieve_parameters(execution_request)
+            web_client_service = self.restClientService(self.restconf_server_identifier)
 
             try:
-                self.log.info("configuring device {}", pnf_id)
-                self.apply_configuration(pnf_id, resolution_key, self.configlet_template_name)
+                mount_payload = self.resolveAndGenerateMessage("config-deploy-mapping", "config-deploy-template")
+                restconf_client.mount_device(web_client_service, pnf_id, mount_payload)
+
+                configlet = self.resolveFromDatabase(resolution_key, self.configlet_template_name)
+                restconf_client.configure_device(web_client_service, pnf_id, self.configlet_resource_path, configlet)
             except Exception, err:
                 self.log.error("an error occurred while configuring device {}", err)
                 raise err
             finally:
-                self.log.info("unmounting device {}", pnf_id)
-                self.unmount(pnf_id)
-
-            self.log.info("Ended execution of process method")
+                restconf_client.unmount_device(web_client_service, pnf_id)
 
         except JavaException, err:
             self.log.error("Java Exception in the script", err)
             raise err
         except Exception, err:
-            self.log.error("Python Exception in the script", err)
+            self.log.error("Python Exception in the script:" + str(err), err)
             raise err
+        self.log.info("Ended execution of process method")
 
-    def mount(self, pnf_id):
-        self.log.info("meshing mount payload")
-        mount_payload = self.resolveAndGenerateMessage("config-deploy-mapping", "config-deploy-template")
-        self.log.info("mount payload: \n {}", mount_payload)
-
-        # defining custom header
-        headers = {
-            "Content-Type": "application/xml"
-        }
-
-        url = self.base_mount_url + str(pnf_id)
-        self.log.info("sending mount request, url: {}", url)
-        web_client_service = self.restClientService(self.server_identifier)
-        web_client_service.exchangeResource("PUT", url, mount_payload, headers)
-
-    def unmount(self, pnf_id):
-        url = self.base_mount_url + str(pnf_id)
-        self.log.info("sending unmount request, url: {}", url)
-        web_client_service = self.restClientService(self.server_identifier)
-        web_client_service.exchangeResource("DELETE", url, "")
-
-    def apply_configuration(self, pnf_id, resolution_key, template_name):
-        self.log.info("Retrieving configlet from database (resolution-key: {}, template_name: {}",
-                      resolution_key, template_name)
-        configlet = self.resolveFromDatabase(resolution_key, template_name)
-        self.log.info("Configlet: {}", configlet)
-
-        # defining custom header
-        headers = {
-            "Content-Type": "application/yang.patch+json"
-        }
-
-        url = "restconf/config/network-topology:network-topology/topology/topology-netconf/node/" + pnf_id \
-              + "/yang-ext:mount/mynetconf:netconflist"
-        self.log.info("sending patch request,  url: {}", url)
-        web_client_service = self.restClientService(self.server_identifier)
-        result = web_client_service.exchangeResource("PATCH", url, configlet, headers)
-        self.log.info("Configuration application result: {}", result)
+    def retrieve_parameters(self, execution_request):
+        resolution_key = self.getDynamicProperties("resolution-key").asText()
+        self.log.info("resolution_key: {}", resolution_key)
+        pnf_id = execution_request.payload.get("config-deploy-request").get("config-deploy-properties").get("pnf-id")
+        pnf_id = str(pnf_id).strip('\"')
+        self.log.info("pnf-id: {}", pnf_id)
+        return pnf_id, resolution_key
 
     def recover(self, runtime_exception, execution_request):
-        self.log.info("Recover method, no code to execute")
+        self.log.info("Recover function called!")
+        self.log.info("Execution request", execution_request)
+        self.log.error("Exception", runtime_exception)
+        print self.bluePrintRuntimeService.getBluePrintError().addError(runtime_exception.getMessage())
         return None