def NewFromJsonDict(data):
'''Create a new instance base on a JSON dict
Args:
data: A JSON dict, as converted from the JSON in the kubernetes API
Returns:
A kubernetes.Pod instance
'''
desiredState = None
currentState = None
if 'desiredState' in data:
from kubernetes import PodState
desiredState = PodState.NewFromJsonDict(data['desiredState'])
if 'currentState' in data:
from kubernetes import PodState
currentState = PodState.NewFromJsonDict(data['currentState'])
return Pod(Kind=data.get('kind', None),
ID=data.get('id', None),
UID=data.get('uid', None),
CreationTimestamp=data.get('creationTimestamp', None),
SelfLink=data.get('selfLink', None),
ResourceVersion=data.get('resourceVersion', None),
APIVersion=data.get('apiVersion', None),
Namespace=data.get('namespace', None),
Annotations=data.get('annotations', None),
Labels=data.get('labels', None),
DesiredState=desiredState,
CurrentState=currentState)
def NewFromJsonDict(data):
'''Create a new instance base on a JSON dict
Args:
data: A JSON dict, as converted from the JSON in the kubernetes API
Returns:
A kubernetes.PodList instance
'''
items = []
metadata = data.get('metadata')
if 'items' in data and data['items']:
from kubernetes import Pod
items = [Pod.NewFromJsonDict(pod) for pod in data['items']]
return PodList(
Kind=data.get('kind', None),
APIVersion=data.get('apiVersion', None),
CreationTimestamp=metadata.get('creationTimestamp', None),
SelfLink=metadata.get('selfLink', None),
ResourceVersion=metadata.get('resourceVersion', None),
Name=metadata.get('name', None),
UID=metadata.get('uid', None),
Namespace=metadata.get('namespace', None),
Annotations=metadata.get('annotations', None),
Items=items)
def NewFromJsonDict(data):
'''Create a new instance base on a JSON dict
Args:
data: A JSON dict, as converted from the JSON in the kubernetes API
Returns:
A kubernetes.Pod instance
'''
desiredState = None
currentState = None
state = None
condition = None
nodeName = None
containerSpecs = None
metadata = data.get('metadata', None)
status = data.get('status', None)
if 'desiredState' in data:
from kubernetes import PodState
desiredState = PodState.NewFromJsonDict(data['desiredState'])
if 'currentState' in data:
from kubernetes import PodState
currentState = PodState.NewFromJsonDict(data['currentState'])
if 'status' in data:
from kubernetes import PodState
state = PodState.NewFromJsonDict(data['status'])
nodeName = state.HostIP
if nodeName is None and 'spec' in data:
nodeName = data['spec'].get('nodeName', None)
try:
if len(data['spec']['containers']) > 0:
containerSpecs = []
for container in data['spec']['containers']:
containerSpec = ContainerSpec(container)
containerSpecs.append(containerSpec)
except:
containerSpecs = None
return Pod(
Kind=data.get('kind', None),
APIVersion=data.get('apiVersion', None),
Name=metadata.get('name', None),
UID=metadata.get('uid', None),
CreationTimestamp=metadata.get('creationTimestamp', None),
SelfLink=metadata.get('selfLink', None),
ResourceVersion=metadata.get('resourceVersion', None),
Namespace=metadata.get('namespace', None),
Annotations=metadata.get('annotations', None),
Labels=metadata.get('labels', None),
Status=state,
DesiredState=desiredState,
CurrentState=currentState,
NodeName=nodeName,
ContainerSpecs = containerSpecs)
def GetPod(self, name, namespace='default'):
'''List the specific pod on this cluster'''
# Make and send requests
url = ('%(base_url)s/namespaces/%(ns)s/pods/%(name)s' % {
"base_url": self.base_url,
"ns": namespace,
"name": name
})
json = self._RequestUrl(url, 'GET')
if json.status_code == 404:
#not exit, just return None
return None
data = self._ParseAndCheckKubernetes(json.content)
return Pod.NewFromJsonDict(data)
def CreatePod(self, data, namespace='default'):
'''Create a new Pod'''
url = ('%(base_url)s/namespaces/%(ns)s/pods' % {
"base_url": self.base_url,
"ns": namespace
})
json = self._RequestUrl(url, 'PUT', data)
if json.status_code is not 201:
raise KubernetesError({
'message':
'parsing error [' + simplejson.dumps(json.content) + ']'
})
result = self._ParseAndCheckKubernetes(json.content)
return Pod.NewFromJsonDict(result)
def SetNodeSchedulable(self, node_name, is_scheduable=True):
''' Make the node as unscheduable '''
# Make and send requests
url = ('%(base_url)s/nodes/%(node_name)s' % {
"base_url": self.base_url,
"node_name": node_name
})
if is_scheduable:
data = '{"spec":{"unschedulable":false}}'
else:
data = '{"spec":{"unschedulable":true}}'
json = self._RequestUrl(url, 'PATCH', data)
if json.status_code is not 200:
raise KubernetesError({
'message':
'parsing error [' + simplejson.dumps(json.content) + ']'
})
result = self._ParseAndCheckKubernetes(json.content)
return Pod.NewFromJsonDict(result)