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Forcing get_node_name to continue searching for a node name if the returned list of nodes doesn't include this one.

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There was a race condition where the kubelet was restarting and we were querying the api server for this node.
This commit is contained in:
Mike Wilson 2018-01-29 20:27:35 -05:00
parent 03b3d599fe
commit e87b537654
1 changed files with 17 additions and 18 deletions
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7
cluster/juju/layers/kubernetes-worker/reactive/kubernetes_worker.py
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@ -979,14 +979,11 @@ def get_node_name():
while time.time() < deadline: while time.time() < deadline:
try: try:
raw = check_output(cmd) raw = check_output(cmd)
break
except CalledProcessError: except CalledProcessError:
hookenv.log('Failed to get node name for node %s.' hookenv.log('Failed to get node name for node %s.'
' Will retry.' % (gethostname())) ' Will retry.' % (gethostname()))
time.sleep(1) time.sleep(1)
else: continue
msg = 'Failed to get node name for node %s' % gethostname()
raise GetNodeNameFailed(msg)
result = json.loads(raw.decode('utf-8')) result = json.loads(raw.decode('utf-8'))
if 'items' in result: if 'items' in result:
@ -1004,6 +1001,8 @@ def get_node_name():
# if we didn't match, just bail to the next node # if we didn't match, just bail to the next node
break break
time.sleep(1)
msg = 'Failed to get node name for node %s' % gethostname() msg = 'Failed to get node name for node %s' % gethostname()
raise GetNodeNameFailed(msg) raise GetNodeNameFailed(msg)