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print hostnames (#5110)

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Csergő Bálint 2019-08-29 14:07:57 +02:00 committed by Kubernetes Prow Robot
parent 602b2d198a
commit 56523812d3
1 changed files with 7 additions and 1 deletions
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8
contrib/inventory_builder/inventory.py
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@ -44,7 +44,7 @@ import sys
ROLES = ['all', 'kube-master', 'kube-node', 'etcd', 'k8s-cluster',
'calico-rr']
PROTECTED_NAMES = ROLES
AVAILABLE_COMMANDS = ['help', 'print_cfg', 'print_ips', 'load']
AVAILABLE_COMMANDS = ['help', 'print_cfg', 'print_ips', 'print_hostnames', 'load']
_boolean_states = {'1': True, 'yes': True, 'true': True, 'on': True,
'0': False, 'no': False, 'false': False, 'off': False}
yaml = YAML()
@ -348,6 +348,8 @@ class KubesprayInventory(object):
self.print_config()
elif command == 'print_ips':
self.print_ips()
elif command == 'print_hostnames':
self.print_hostnames()
elif command == 'load':
self.load_file(args)
else:
@ -361,6 +363,7 @@ Available commands:
help - Display this message
print_cfg - Write inventory file to stdout
print_ips - Write a space-delimited list of IPs from "all" group
print_hostnames - Write a space-delimited list of Hostnames from "all" group
Advanced usage:
Add another host after initial creation: inventory.py 10.10.1.5
@ -381,6 +384,9 @@ MASSIVE_SCALE_THRESHOLD Separate K8s master and ETCD if # of nodes >= 200
def print_config(self):
yaml.dump(self.yaml_config, sys.stdout)
def print_hostnames(self):
print(' '.join(self.yaml_config['all']['hosts'].keys()))
def print_ips(self):
ips = []
for host, opts in self.yaml_config['all']['hosts'].items():