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Posted to issues@aurora.apache.org by "Zameer Manji (JIRA)" <ji...@apache.org> on 2016/09/19 22:25:20 UTC
[jira] [Created] (AURORA-1777) aurora_admin client unable to drain
hosts
Zameer Manji created AURORA-1777:
------------------------------------
Summary: aurora_admin client unable to drain hosts
Key: AURORA-1777
URL: https://issues.apache.org/jira/browse/AURORA-1777
Project: Aurora
Issue Type: Bug
Reporter: Zameer Manji
Running the following command:
{noformat}
aurora-admin host_drain --hosts=<some-host> <some-cluster>
{noformat}
Results in the following error message:
{noformat}
WARN] Connection error with scheduler: Unknown error talking to http://<snip>/api: Header value False must be of type str or bytes, not <type 'bool'>, reconnecting...
{noformat}
Diving deeper shows that we are setting the value of 'User-Agent' in the transport to 'False'.
The root cause of this can be found in {{host_maintenance.py}} where we create the client like so:
{noformat}
def __init__(self, cluster, verbosity, wait_event=None):
self._client = AuroraClientAPI(cluster, verbosity == 'verbose')
self._wait_event = wait_event or Event()
{noformat}
However the constructor for {{AuroraClientAPI}} is:
{noformat}
def __init__(
self,
cluster,
user_agent,
verbose=False,
bypass_leader_redirect=False):
if not isinstance(cluster, Cluster):
raise TypeError('AuroraClientAPI expects instance of Cluster for "cluster", got %s' %
type(cluster))
self._scheduler_proxy = SchedulerProxy(
cluster,
verbose=verbose,
user_agent=user_agent,
bypass_leader_redirect=bypass_leader_redirect)
self._cluster = cluster
{noformat}
Notice the second argument is {{user_agent}}.
This bug started to become a problem because we upgraded requests and it includes https://github.com/kennethreitz/requests/commit/be31a90906deb5553c2e703fb05cf6964ee23ed5.
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