Add list hosts

Author: micafer

libcloud/compute/drivers/openstack.py

@@ -4414,6 +4414,47 @@ def _to_lease(self, obj):
             driver=self.reservation_connection.driver,
         )
 
+    def ex_list_hosts(self):
+        """
+        List leases
+
+        :rtype: ``list`` of :class:`OpenStack_2_Host`
+        """
+        return self._to_hosts(self.reservation_connection.request("/os-hosts").object)
+
+    def _to_hosts(self, obj):
+        host_elements = obj["hosts"]
+        return [self._to_host(host) for host in host_elements]
+
+    def _to_host(self, obj):
+        return OpenStack_2_Host(
+            id=obj["id"],
+            hypervisor_hostname=obj["hypervisor_hostname"],
+            vcpus=obj["vcpus"],
+            memory_mb=obj["memory_mb"],
+            local_gb=obj["local_gb"],
+            service_name=obj["service_name"],
+        )
+
+class OpenStack_2_Host:
+    """
+    Host info.
+    """
+
+    def __init__(self, id, hypervisor_hostname, vcpus, memory_mb, local_gb, service_name):
+        self.id = id
+        self.hypervisor_hostname = hypervisor_hostname
+        self.vcpus = vcpus
+        self.memory_mb = memory_mb
+        self.local_gb = local_gb
+        self.service_name = service_name
+
+    def __repr__(self):
+        return "<OpenStack_2_Host: id=%s, hypervisor_hostname=%s>" % (
+            self.id,
+            self.hypervisor_hostname,
+        )
+
 
 class OpenStack_2_Lease:
     """

libcloud/test/compute/test_openstack.py

@@ -2571,6 +2571,13 @@ def test_ex_list_leases(self):
         self.assertEqual(leases[0].end, "2017-12-27T12:00:00.000000")
         self.assertEqual(leases[0].status, "PENDING")
 
+    def test_ex_list_hosts(self):
+        hosts = self.driver.ex_list_hosts()
+        self.assertEqual(len(hosts), 1)
+        self.assertEqual(hosts[0].id, "1")
+        self.assertEqual(hosts[0].hypervisor_hostname, "compute-1")
+        self.assertEqual(hosts[0].vcpus, 4)
+
 
 class OpenStack_1_1_FactoryMethodTests(OpenStack_1_1_Tests):
     should_list_locations = False
@@ -4029,6 +4036,17 @@ def _v1_leases(self, method, url, body, headers):
                 httplib.responses[httplib.OK],
             )
 
+    def _v1_os_hosts(self, method, url, body, headers):
+        if method == "GET":
+            body = self.fixtures.load("_os_hosts.json")
+
+            return (
+                httplib.OK,
+                body,
+                self.json_content_headers,
+                httplib.responses[httplib.OK],
+            )
+
 # This exists because the nova compute url in devstack has v2 in there but the v1.1 fixtures
 # work fine.