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Fixes #43461

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The master-components started state triggers a daemon recycle. The guard
was to prevent the daemons from being cycled too often and interrupting
normal workflow. This additional state check is guarded against the etcd
connection string from changing, allowing the current behavior but
triggers a re-configure and recycle of the api-control plane when etcd
units are scaling up and down.
This commit is contained in:
Charles Butler 2017-04-26 14:39:03 -05:00
parent 6d17ab3201
commit 690be0fb82
1 changed files with 16 additions and 0 deletions
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16
cluster/juju/layers/kubernetes-master/reactive/kubernetes_master.py
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@ -296,6 +296,22 @@ def start_master(etcd):
set_state('kubernetes-master.components.started')
@when('etcd.available')
def etcd_data_change(etcd):
''' Etcd scale events block master reconfiguration due to the
kubernetes-master.components.started state. We need a way to
handle these events consistenly only when the number of etcd
units has actually changed '''
# key off of the connection string
connection_string = etcd.get_connection_string()
# If the connection string changes, remove the started state to trigger
# handling of the master components
if data_changed('etcd-connect', connection_string):
remove_state('kubernetes-master.components.started')
@when('kube-control.connected')
@when('cdk-addons.configured')
def send_cluster_dns_detail(kube_control):