Merge pull request #299 from rodrigonull/instance-create-time

Add VM instance create time property for all providers

cloudbridge/interfaces/resources.py

@@ -562,6 +562,17 @@ class Instance(ObjectLifeCycleMixin, LabeledCloudResource):
         """
         pass
 
+    @abstractproperty
+    def create_time(self):
+        """
+        Get the creation data and time for this instance.
+
+        :rtype: ``DateTime``
+        :return: Creation time for this instance as returned by the cloud
+                 middleware.
+        """
+        pass
+
     @abstractmethod
     def reboot(self):
         """

cloudbridge/providers/aws/resources.py

@@ -301,6 +301,13 @@ class AWSInstance(BaseInstance):
         return self._provider.compute.vm_types.find(
             name=self._ec2_instance.instance_type)[0]
 
+    @property
+    def create_time(self):
+        """
+        Get the instance creation time
+        """
+        return self._ec2_instance.launch_time
+
     def reboot(self):
         self._ec2_instance.reboot()
 

cloudbridge/providers/azure/resources.py

@@ -1125,6 +1125,13 @@ class AzureInstance(BaseInstance):
         return self._provider.compute.vm_types.find(
             name=self.vm_type_id)[0]
 
+    @property
+    def create_time(self):
+        """
+        Get the instance creation time
+        """
+        return self._vm.time_created
+
     def reboot(self):
         """
         Reboot this instance (using the cloud middleware API).

cloudbridge/providers/gcp/resources.py

@@ -9,6 +9,7 @@ import math
 import re
 import uuid
 from collections import namedtuple
+from datetime import datetime
 
 import googleapiclient
 
@@ -882,6 +883,13 @@ class GCPInstance(BaseInstance):
         parsed_uri = self._provider.parse_url(machine_type_uri)
         return GCPVMType(self._provider, parsed_uri.get_resource())
 
+    @property
+    def create_time(self):
+        """
+        Get the instance creation time
+        """
+        return datetime.fromisoformat(self._gcp_instance.get("creationTimestamp"))
+
     @property
     def subnet_id(self):
         """

cloudbridge/providers/openstack/resources.py

@@ -14,6 +14,8 @@ except ImportError:  # python 2
     from urlparse import urlparse
     from urlparse import urljoin
 
+from datetime import datetime
+
 from keystoneclient.v3.regions import Region
 
 import novaclient.exceptions as novaex
@@ -361,6 +363,13 @@ class OpenStackInstance(BaseInstance):
             self._os_instance.flavor.get('id'))
         return OpenStackVMType(self._provider, flavor)
 
+    @property
+    def create_time(self):
+        """
+        Get the instance creation time
+        """
+        return datetime.strptime(self._os_instance.created, '%Y-%m-%dT%H:%M:%SZ')
+
     def reboot(self):
         """
         Reboot this instance (using the cloud middleware API).

tests/test_compute_service.py

@@ -1,3 +1,4 @@
+import datetime
 import ipaddress
 
 import six
@@ -168,6 +169,12 @@ class CloudComputeServiceTestCase(ProviderTestBase):
             self.assertEqual(len(find_zone), 1,
                              "Instance's placement zone could not be "
                              " found in zones list")
+            self.assertIsNotNone(
+                test_instance.create_time,
+                "Instance must have its creation time")
+            self.assertIsInstance(
+                test_instance.create_time,
+                datetime.datetime)
 
     @helpers.skipIfNoService(['compute.instances', 'compute.images',
                               'compute.vm_types'])