研究自动化安装cobbler，在进行同步cobbler配置时出现报错
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cobbler sync //同步生成dhcp配置文件dhcpd -t failed
Exception occured: <class 'cobbler.cexceptions.CX'>
Exception value: 'cobbler trigger failed: cobbler.modules.sync_post_restart_services'
Exception Info:
File "/usr/lib/python2.7/site-packages/cobbler/remote.py", line 82, in run
rc = self._run(self)
File "/usr/lib/python2.7/site-packages/cobbler/remote.py", line 181, in runner
return self.remote.api.sync(self.options.get("verbose",False),logger=self.logger)
File "/usr/lib/python2.7/site-packages/cobbler/api.py", line 763, in sync
return sync.run()
File "/usr/lib/python2.7/site-packages/cobbler/action_sync.py", line 144, in run
utils.run_triggers(self.api, None, "/var/lib/cobbler/triggers/sync/post/*", logger=self.logger)
File "/usr/lib/python2.7/site-packages/cobbler/utils.py", line 928, in run_triggers
raise CX("cobbler trigger failed: %s" % m.__name__)看报错是与dhcp服务有关，说明可能是dhcp模板配置错误，进入配置文件中查看，看到果然是地址池配置错误
vi /etc/cobbler/dhcp.template
subnet 192.168.109.0 netmask 255.255.255.0 {
option routers 192.168.109.1;
option domain-name-servers 8.8.8.8;
option subnet-mask 255.255.255.0;
range dynamic-bootp 192.168.1.100 192.168.1.254; //地址池未进行修改
default-lease-time 21600;
max-lease-time 43200;
next-server $next_server;subnet 192.168.109.0 netmask 255.255.255.0 {
option routers 192.168.109.1;
option domain-name-servers 8.8.8.8;
option subnet-mask 255.255.255.0;
range dynamic-bootp 192.168.109.100 192.168.109.254; //将地址池做修改
default-lease-time 21600;
max-lease-time 43200;
next-server $next_server;注意dhcp模板中要修改的地方：subnet、option routers、dns、range dynamic-bootp
修改后重新加载服务，服务成功！
cobbler sync
task started: 2019-11-05_011754_sync
task started (id=Sync, time=Tue Nov 5 01:17:54 2019)
......
running shell triggers from /var/lib/cobbler/triggers/change/*
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