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#!/usr/bin/env python
from string import Template
def generate(defaults,hosts,datacenters):
host_template = Template(file("templates/host", 'r').read())
for host in hosts:
hostdict = {"hostname": host}
if hosts[host].has_key("parents"):
hostdict["parents"] = 'parents ' + hosts[host]["parents"]
elif hosts[host].has_key("datacenter") and datacenters.has_key(hosts[host]["datacenter"]):
hostdict["parents"] = 'parents ' + datacenters[hosts[host]["datacenter"]]["gateway"]
else:
hostdict["parents"] = ''
if hosts[host].has_key("use"):
hostdict["use"] = hosts[host]["use"]
else:
hostdict["use"] = defaults["default_host_use"]
if hosts[host].has_key("alias"):
hostdict["host_alias"] = hosts[host]["alias"]
else:
hostdict["host_alias"] = host
if hosts[host].has_key("address"):
hostdict["host_address"] = hosts[host]["address"]
else:
hostdict["host_address"] = host
print host_template.substitute(hostdict)
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