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kubespray
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Fix pep8 warnings (#4368)

pull/4446/head
Maxime Guyot 2019-04-05 21:51:22 +02:00 committed by Kubernetes Prow Robot
parent d8a023a92c
commit 9155339cf0
2 changed files with 29 additions and 24 deletions
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52
contrib/inventory_builder/inventory.py
View File

@ -18,7 +18,8 @@
# Advanced usage:
# Add another host after initial creation: inventory.py 10.10.1.5
# Add range of hosts: inventory.py 10.10.1.3-10.10.1.5
# Add hosts with different ip and access ip: inventory.py 10.0.0.1,192.168.10.1 10.0.0.2,192.168.10.2 10.0.0.3,192.168.10.3
# Add hosts with different ip and access ip:
# inventory.py 10.0.0.1,192.168.10.1 10.0.0.2,192.168.10.2 10.0.0.3,192.168.1.3
# Delete a host: inventory.py -10.10.1.3
# Delete a host by id: inventory.py -node1
#
@ -33,6 +34,7 @@
# ip: X.X.X.X
from collections import OrderedDict
from ipaddress import ip_address
from ruamel.yaml import YAML
import os
@ -55,6 +57,7 @@ def get_var_as_bool(name, default):
# Configurable as shell vars start
CONFIG_FILE = os.environ.get("CONFIG_FILE", "./inventory/sample/hosts.yaml")
# Reconfigures cluster distribution at scale
SCALE_THRESHOLD = int(os.environ.get("SCALE_THRESHOLD", 50))
@ -130,7 +133,7 @@ class KubesprayInventory(object):
if group not in self.yaml_config:
all_dict = OrderedDict([('hosts', OrderedDict({})),
('children', OrderedDict({}))])
self.yaml_config = {'all': all_dict }
self.yaml_config = {'all': all_dict}
else:
self.debug("Adding group {0}".format(group))
if group not in self.yaml_config['all']['children']:
@ -140,7 +143,7 @@ class KubesprayInventory(object):
'''Returns integer host ID (without padding) from a given hostname.'''
try:
short_hostname = host.split('.')[0]
return int(re.findall("\d+$", short_hostname)[-1])
return int(re.findall("\\d+$", short_hostname)[-1])
except IndexError:
raise ValueError("Host name must end in an integer")
@ -193,7 +196,6 @@ class KubesprayInventory(object):
return all_hosts
def range2ips(self, hosts):
from ipaddress import ip_address
reworked_hosts = []
def ips(start_address, end_address):
@ -205,7 +207,7 @@ class KubesprayInventory(object):
# Python 2.7
start = int(ip_address(unicode(start_address)))
end = int(ip_address(unicode(end_address)))
return [ip_address(ip).exploded for ip in range(start, end+1)]
return [ip_address(ip).exploded for ip in range(start, end + 1)]
for host in hosts:
if '-' in host and not host.startswith('-'):
@ -236,12 +238,13 @@ class KubesprayInventory(object):
def purge_invalid_hosts(self, hostnames, protected_names=[]):
for role in self.yaml_config['all']['children']:
if role != 'k8s-cluster' and self.yaml_config['all']['children'][role]['hosts']:
all_hosts = self.yaml_config['all']['children'][role]['hosts'].copy()
if role != 'k8s-cluster' and self.yaml_config['all']['children'][role]['hosts']: # noqa
all_hosts = self.yaml_config['all']['children'][role]['hosts'].copy() # noqa
for host in all_hosts.keys():
if host not in hostnames and host not in protected_names:
self.debug("Host {0} removed from role {1}".format(host, role))
del self.yaml_config['all']['children'][role]['hosts'][host]
self.debug(
"Host {0} removed from role {1}".format(host, role)) # noqa
del self.yaml_config['all']['children'][role]['hosts'][host] # noqa
# purge from all
if self.yaml_config['all']['hosts']:
all_hosts = self.yaml_config['all']['hosts'].copy()
@ -258,9 +261,10 @@ class KubesprayInventory(object):
self.yaml_config['all']['hosts'][host] = opts
elif group != 'k8s-cluster:children':
if self.yaml_config['all']['children'][group]['hosts'] is None:
self.yaml_config['all']['children'][group]['hosts'] = {host: None}
self.yaml_config['all']['children'][group]['hosts'] = {
host: None}
else:
self.yaml_config['all']['children'][group]['hosts'][host] = None
self.yaml_config['all']['children'][group]['hosts'][host] = None # noqa
def set_kube_master(self, hosts):
for host in hosts:
@ -271,32 +275,31 @@ class KubesprayInventory(object):
self.add_host_to_group('all', host, opts)
def set_k8s_cluster(self):
self.yaml_config['all']['children']['k8s-cluster'] = {'children':
{'kube-master': None,
'kube-node': None}}
k8s_cluster = {'children': {'kube-master': None, 'kube-node': None}}
self.yaml_config['all']['children']['k8s-cluster'] = k8s_cluster
def set_calico_rr(self, hosts):
for host in hosts:
if host in self.yaml_config['all']['children']['kube-master']:
self.debug("Not adding {0} to calico-rr group because it "
"conflicts with kube-master group".format(host))
continue
self.debug("Not adding {0} to calico-rr group because it "
"conflicts with kube-master group".format(host))
continue
if host in self.yaml_config['all']['children']['kube-node']:
self.debug("Not adding {0} to calico-rr group because it "
"conflicts with kube-node group".format(host))
continue
self.debug("Not adding {0} to calico-rr group because it "
"conflicts with kube-node group".format(host))
continue
self.add_host_to_group('calico-rr', host)
def set_kube_node(self, hosts):
for host in hosts:
if len(self.yaml_config['all']['hosts']) >= SCALE_THRESHOLD:
if host in self.yaml_config['all']['children']['etcd']['hosts']:
if host in self.yaml_config['all']['children']['etcd']['hosts']: # noqa
self.debug("Not adding {0} to kube-node group because of "
"scale deployment and host is in etcd "
"group.".format(host))
continue
if len(self.yaml_config['all']['hosts']) >= MASSIVE_SCALE_THRESHOLD:
if host in self.yaml_config['all']['children']['kube-master']['hosts']:
if len(self.yaml_config['all']['hosts']) >= MASSIVE_SCALE_THRESHOLD: # noqa
if host in self.yaml_config['all']['children']['kube-master']['hosts']: # noqa
self.debug("Not adding {0} to kube-node group because of "
"scale deployment and host is in kube-master "
"group.".format(host))
@ -369,7 +372,7 @@ CONFIG_FILE File to write config to Default: ./inventory/sample/host
HOST_PREFIX Host prefix for generated hosts. Default: node
SCALE_THRESHOLD Separate ETCD role if # of nodes >= 50
MASSIVE_SCALE_THRESHOLD Separate K8s master and ETCD if # of nodes >= 200
'''
''' # noqa
print(help_text)
def print_config(self):
@ -387,5 +390,6 @@ def main(argv=None):
argv = sys.argv[1:]
KubesprayInventory(argv, CONFIG_FILE)
if __name__ == "__main__":
sys.exit(main())

1
contrib/inventory_builder/requirements.txt
View File

@ -1,2 +1,3 @@
configparser>=3.3.0
ruamel.yaml>=0.15.88
ipaddress