How to use show_server_diagnostics method in tempest

Best Python code snippet using tempest_python

test_server_diagnostics.py

Source:test_server_diagnostics.py

...23        cls.client = cls.os_admin.servers_client24    @decorators.idempotent_id('31ff3486-b8a0-4f56-a6c0-aab460531db3')25    def test_get_server_diagnostics(self):26        server_id = self.create_test_server(wait_until='ACTIVE')['id']27        diagnostics = self.client.show_server_diagnostics(server_id)28        # NOTE(snikitin): Before microversion 2.48 response data from each29        # hypervisor (libvirt, xen, vmware) was different. None of the fields30        # were equal. As this test is common for libvirt, xen and vmware CI31        # jobs we can't check any field in the response because all fields are32        # different.33        self.assertNotEmpty(diagnostics)34class ServerDiagnosticsV248Test(base.BaseV2ComputeAdminTest):35    min_microversion = '2.48'36    max_microversion = 'latest'37    @classmethod38    def setup_clients(cls):39        super(ServerDiagnosticsV248Test, cls).setup_clients()40        cls.client = cls.os_admin.servers_client41    @decorators.idempotent_id('64d0d48c-dff1-11e6-bf01-fe55135034f3')42    def test_get_server_diagnostics(self):43        server_id = self.create_test_server(wait_until='ACTIVE')['id']44        # Response status and filed types will be checked by json schema45        self.client.show_server_diagnostics(server_id)46        # NOTE(snikitin): This is a special case for Xen hypervisor. In Xen47        # case we're getting diagnostics stats from the RRDs which are updated48        # every 5 seconds. It means that diagnostics information may be49        # incomplete during first 5 seconds of VM life. In such cases methods50        # which get diagnostics stats from Xen may raise exceptions or51        # return `NaN` values. Such behavior must be handled correctly.52        # Response must contain all diagnostics fields (may be with `None`53        # values) and response status must be 200. Line above checks it by54        # json schema.55        time.sleep(10)56        diagnostics = self.client.show_server_diagnostics(server_id)57        # NOTE(snikitin): After 10 seconds diagnostics fields must contain58        # not None values. But we will check only "memory_details.maximum"59        # field because only this field meets all the following conditions:60        # 1) This field may be unset because of Xen 5 seconds timeout.61        # 2) This field is present in responses from all three supported62        #    hypervisors (libvirt, xen, vmware)....

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