Scott Moser e4275234c1 make cloud-config modules configurable by cloud-config
The list of cloud-config modules is now kept in cloud config itself.
There is a builtin list in cloudinit, which is overrideable by 
 /etc/cloud/cloud.cfg or user data cloud-config.

This should make the modules more easily added or removed (as no code
needs to be edited now)

Basic summary of changes:
 - move CloudConfig.py -> cloudinit/CloudConfig/__init__.py
 - split cloud-config modules into their own files named
   cloudinit/CloudConfig/cc_<name>.py
 - remove all the upstart/cloud-config-* scripts, replacing them with
   upstart/cloud-config.conf
2010-06-17 22:22:39 -04:00

60 lines
2.8 KiB
Python

import os
import subprocess
def handle(name,cfg,cloud,log,args):
# If there isn't a puppet key in the configuration don't do anything
if not cfg.has_key('puppet'): return
puppet_cfg = cfg['puppet']
# Start by installing the puppet package ...
e=os.environ.copy()
e['DEBIAN_FRONTEND']='noninteractive'
# Make sure that the apt database is updated since it's not run by
# default
# Note: we should have a helper to check if apt-get update
# has already been run on this instance to speed the boot time.
subprocess.check_call(['apt-get', 'update'], env=e)
subprocess.check_call(['apt-get', 'install', '--assume-yes',
'puppet'], env=e)
# ... and then update the puppet configuration
if puppet_cfg.has_key('conf'):
# Add all sections from the conf object to puppet.conf
puppet_conf_fh = open('/etc/puppet/puppet.conf', 'a')
for cfg_name, cfg in puppet_cfg['conf'].iteritems():
# ca_cert configuration is a special case
# Dump the puppetmaster ca certificate in the correct place
if cfg_name == 'ca_cert':
# Puppet ssl sub-directory isn't created yet
# Create it with the proper permissions and ownership
os.makedirs('/var/lib/puppet/ssl')
os.chmod('/var/lib/puppet/ssl', 0771)
os.chown('/var/lib/puppet/ssl',
pwd.getpwnam('puppet').pw_uid, 0)
os.makedirs('/var/lib/puppet/ssl/certs/')
os.chown('/var/lib/puppet/ssl/certs/',
pwd.getpwnam('puppet').pw_uid, 0)
ca_fh = open('/var/lib/puppet/ssl/certs/ca.pem', 'w')
ca_fh.write(cfg)
ca_fh.close()
os.chown('/var/lib/puppet/ssl/certs/ca.pem',
pwd.getpwnam('puppet').pw_uid, 0)
else:
puppet_conf_fh.write("\n[%s]\n" % (cfg_name))
for o, v in cfg.iteritems():
if o == 'certname':
# Expand %f as the fqdn
v = v.replace("%f", socket.getfqdn())
# Expand %i as the instance id
v = v.replace("%i",
cloud.datasource.get_instance_id())
# certname needs to be downcase
v = v.lower()
puppet_conf_fh.write("%s=\"%s\"\n" % (o, v))
puppet_conf_fh.close()
# Set puppet default file to automatically start
subprocess.check_call(['sed', '-i',
'-e', 's/^START=.*/START=yes/',
'/etc/default/puppet'])
# Start puppetd
subprocess.check_call(['service', 'puppet', 'start'])