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Add the ability to stop the watcher gracefully.

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Hedi Nasr 2021-06-23 11:27:40 +02:00
parent 0d4f822f4f
commit 59ba58b494
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GPG Key ID: 5BD8E9A125588307
1 changed files with 8 additions and 3 deletions
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dynamic/client.py
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@ -144,7 +144,7 @@ class DynamicClient(object):
return self.request('patch', path, body=body, content_type=content_type, **kwargs)
def watch(self, resource, namespace=None, name=None, label_selector=None, field_selector=None, resource_version=None, timeout=None):
def watch(self, resource, namespace=None, name=None, label_selector=None, field_selector=None, resource_version=None, timeout=None, watcher=None):
"""
Stream events for a resource from the Kubernetes API
@ -156,6 +156,7 @@ class DynamicClient(object):
:param resource_version: The version with which to filter results. Only events with
a resource_version greater than this value will be returned
:param timeout: The amount of time in seconds to wait before terminating the stream
:param watcher: The Watcher object that will be used to stream the resource
:return: Event object with these keys:
'type': The type of event such as "ADDED", "DELETED", etc.
@ -164,13 +165,17 @@ class DynamicClient(object):
Example:
client = DynamicClient(k8s_client)
watcher = watch.Watch()
v1_pods = client.resources.get(api_version='v1', kind='Pod')
for e in v1_pods.watch(resource_version=0, namespace=default, timeout=5):
for e in v1_pods.watch(resource_version=0, namespace=default, timeout=5, watcher=watcher):
print(e['type'])
print(e['object'].metadata)
# If you want to gracefully stop the stream watcher
watcher.stop()
"""
watcher = watch.Watch()
if not watcher: watcher = watch.Watch()
for event in watcher.stream(
resource.get,
namespace=namespace,