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Allow to configure number of kube-masters (#5073)

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Change-Id: Ia3f30a1216b3ea063cd72c839ef6dff753cf10c6
This commit is contained in:
Matthew Mosesohn 2019-08-14 04:52:24 +03:00 committed by Kubernetes Prow Robot
parent 0a2f4edfc6
commit 5707f79b33
1 changed files with 6 additions and 4 deletions
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10
contrib/inventory_builder/inventory.py
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@ -59,6 +59,7 @@ def get_var_as_bool(name, default):
CONFIG_FILE = os.environ.get("CONFIG_FILE", "./inventory/sample/hosts.yaml")
KUBE_MASTERS = int(os.environ.get("KUBE_MASTERS_MASTERS", 2))
# Reconfigures cluster distribution at scale
SCALE_THRESHOLD = int(os.environ.get("SCALE_THRESHOLD", 50))
MASSIVE_SCALE_THRESHOLD = int(os.environ.get("SCALE_THRESHOLD", 200))
@ -96,9 +97,10 @@ class KubesprayInventory(object):
etcd_hosts_count = 3 if len(self.hosts.keys()) >= 3 else 1
self.set_etcd(list(self.hosts.keys())[:etcd_hosts_count])
if len(self.hosts) >= SCALE_THRESHOLD:
self.set_kube_master(list(self.hosts.keys())[etcd_hosts_count:5])
self.set_kube_master(list(self.hosts.keys())[
etcd_hosts_count:(etcd_hosts_count + KUBE_MASTERS)])
else:
self.set_kube_master(list(self.hosts.keys())[:2])
self.set_kube_master(list(self.hosts.keys())[:KUBE_MASTERS])
self.set_kube_node(self.hosts.keys())
if len(self.hosts) >= SCALE_THRESHOLD:
self.set_calico_rr(list(self.hosts.keys())[:etcd_hosts_count])
@ -203,11 +205,11 @@ class KubesprayInventory(object):
try:
# Python 3.x
start = int(ip_address(start_address))
end = int(ip_address(end_address))
end = int(ip_address(end_address))
except:
# Python 2.7
start = int(ip_address(unicode(start_address)))
end = int(ip_address(unicode(end_address)))
end = int(ip_address(unicode(end_address)))
return [ip_address(ip).exploded for ip in range(start, end + 1)]
for host in hosts: