OpenstackPortManager impl. added

implementation/network/OpenstackPortManager.py

+from typing import Optional
+
+from openstack.exceptions import ResourceNotFound
+
+from interface.network.Port import Port
+from interface.network.PortManager import PortManager
+
+
+class OpenstackPortManager(PortManager):
+
+    def __init__(self, openstack) -> None:
+        super().__init__()
+
+        self.openstack = openstack
+
+    @staticmethod
+    def os_port_to_rc_port(os_port):
+        return Port(
+            os_port.id,
+            os_port.network_id,
+            os_port.device_id,
+            os_port.security_group_ids,
+            os_port.name,
+            os_port.status,
+            os_port.created_at
+        )
+
+    def create(self, network_id) -> Port:
+        os_port = self.openstack.network.create_port(network_id=network_id)
+
+        return self.os_port_to_rc_port(os_port)
+
+    def get(self, id) -> Optional[Port]:
+        try:
+            os_port = self.openstack.network.get_port(id)
+        except ResourceNotFound:
+            return None
+
+        return self.os_port_to_rc_port(os_port)
+
+    def delete(self, id) -> bool:
+        try:
+            self.openstack.network.delete_port(id)
+        except ResourceNotFound:
+            return False
+
+        return True
+
+    def list(self) -> []:
+        ports = []
+
+        for os_port in self.openstack.network.ports():
+            ports.append(self.os_port_to_rc_port(os_port))
+
+        return ports