def test_pod_containers_pod_without_node(self) -> None:
pod = client.V1Pod(
status=client.V1PodStatus(container_statuses=None, ))
container_info_api_list = pod_containers(pod)
self.assertEqual(container_info_api_list, {})
def test_parse_containers(self, core_client, dummy_host):
mocked_pods = {
"kind":
"PodList",
"apiVersion":
"v1",
"metadata": {
"selfLink": "/api/v1/pods",
"resourceVersion": "6605101"
},
"items": [{
"status": {
"containerStatuses": [{
"name": "cadvisor",
"state": {
"running": {
"startedAt": "2021-10-08T07:39:10Z"
}
},
"lastState": {},
"ready": True,
"restartCount": 0,
"image": "some_image",
"imageID": "some_irrelevant_id",
"containerID": "some_container_id",
"started": True,
}],
},
}],
}
Entry.single_register(
Entry.GET,
f"{dummy_host}/api/v1/pods",
body=json.dumps(mocked_pods),
headers={"content-type": "application/json"},
)
with Mocketizer():
pod = list(core_client.list_pod_for_all_namespaces().items)[0]
containers = pod_containers(pod)
assert len(containers) == 1
assert "cadvisor" in containers
assert containers["cadvisor"].ready is True
assert containers["cadvisor"].state.type == "running"
assert containers["cadvisor"].image == "some_image"
assert isinstance(containers["cadvisor"].state,
api.ContainerRunningState)
assert isinstance(containers["cadvisor"].state.start_time, int)
def test_pod_containers_start_up(self) -> None:
"""
In this specific instance all of the fields expect for the scheduled field are missing.
"""
container_statuses = [
client.V1ContainerStatus(
name="unready_container",
ready=False,
restart_count=0,
container_id=None,
image="gcr.io/kuar-demo/kuard-amd64:blue",
image_id="",
state=client.V1ContainerState(
running=None,
terminated=None,
waiting=client.V1ContainerStateWaiting(
message=None, reason="ContainerCreating"),
),
)
]
self.assertEqual(
pod_containers(container_statuses),
{
"unready_container":
api.ContainerStatus(
id=None,
name="unready_container",
image="gcr.io/kuar-demo/kuard-amd64:blue",
image_id="",
ready=False,
state=api.ContainerWaitingState(type="waiting",
reason="ContainerCreating",
detail=None),
restart_count=0,
)
},
)
def test_pod_containers_pod_without_node(self) -> None:
"""both initContainerStatuses and containerStatuses will be None, if a pod could not be
scheduled. In this case, the containers and init_containers of the api.Pod is empty"""
self.assertEqual(pod_containers(None), {})