def test_parse_ip(self):
"""Should return an IP when the given text contains one IPv4"""
text = "127.0.0.1"
self.assertEquals(lib.parse_ip(text), "127.0.0.1")
text = "blabla(127.0.0.1)sdfasdf"
self.assertEquals(lib.parse_ip(text), "127.0.0.1")
text = "\nblabla 216.34.94.184 sdfasdf"
self.assertEquals(lib.parse_ip(text), "216.34.94.184")
text = "216.34.94"
self.assertEquals(lib.parse_ip(text), None)
def get_ips():
"""Ping all nodes and update their 'ipaddress' field"""
import subprocess
for node in lib.get_nodes():
# For each node, ping the hostname
env.host_string = node['name']
proc = subprocess.Popen(['ping', '-c', '1', node['name']],
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
resp, error = proc.communicate()
if not error:
# Split output into lines and parse the first line to get the IP
ip = lib.parse_ip(resp.split("\n")[0])
if not ip:
print "Warning: could not get IP address from node {0}".format(
node['name'])
continue
print "Node {0} has IP {1}".format(node['name'], ip)
# Update with the ipaddress field in the corresponding node.json
del node['name']
node['ipaddress'] = ip
os.remove(chef.save_config(node, ip))
else:
print "Warning: could not resolve node {0}".format(node['name'])