def list_all_namespaces(
cls, crd_api: CustomObjectsApi) -> List["ClusterDeployment"]:
resources = crd_api.list_cluster_custom_object(
group=consts.HIVE_API_GROUP,
version=consts.HIVE_API_VERSION,
plural=cls._plural,
)
return resources
def get_node_stats(self, node_name):
cust = CustomObjectsApi()
if node_name:
return cust.get_cluster_custom_object('metrics.k8s.io', 'v1beta1',
'nodes', node_name)
else:
return cust.list_cluster_custom_object('metrics.k8s.io', 'v1beta1',
'nodes')
def top_pods(self):
custom = CustomObjectsApi(self.api_client)
data = custom.list_cluster_custom_object("metrics.k8s.io", "v1beta1",
"pods")
usage_by_pod = collections.defaultdict(list)
for pod_data in data['items']:
pod_name = pod_data['metadata']['name']
for container_data in pod_data['containers']:
usage_by_pod[pod_name].append({
'pod':
container_data['name'],
'cpu':
parse_resource(container_data['usage']['cpu']),
'memory':
parse_resource(container_data['usage']['memory']) /
ONE_MEBI,
})
return usage_by_pod
from kubernetes.config import load_kube_config
from kubernetes.client import CustomObjectsApi
# only for running from localhost
load_kube_config()
# if running in the cluster should use load_incluster_config()
cust = CustomObjectsApi()
nodes = cust.list_cluster_custom_object('metrics.k8s.io', 'v1beta1', 'nodes')
pods = cust.list_cluster_custom_object('metrics.k8s.io', 'v1beta1', 'pods')
print(nodes)
print(pods)
