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# vi: ts=4 expandtab
#
# Author: Avishai Ish-Shalom <avishai@fewbytes.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import pwd
import socket
import subprocess
import StringIO
import ConfigParser
import cloudinit.CloudConfig as cc
import cloudinit.util as util
ruby_packages = {'1.8': ('ruby', 'rubygems', 'ruby-dev', 'libopenssl-ruby'),
'1.9.1': ('ruby1.9.1', 'ruby1.9.1-dev', 'libruby1.9.1'),
'1.9': ('ruby1.9', 'ruby1.9-dev', 'libruby1.9') }
def handle(name,cfg,cloud,log,args):
# If there isn't a chef key in the configuration don't do anything
if not cfg.has_key('chef'): return
chef_cfg = cfg['chef']
# Install chef packages from selected source
install_type = util.get_cfg_option_str(chef_cfg, "install_type", "packages")
if not os.path.isfile('/usr/bin/chef-client'):
if install_type == "gems":
if chef_cfg.has_key('version'):
chef_version = chef_cfg['version']
else:
chef_version = None
install_chef_from_gems(
util.get_cfg_option_str(chef_cfg, 'ruby_version', '1.8'),
chef_version)
else:
cc.install_packages(('chef',))
# set the validation cert
if chef_cfg.has_key('validation_cert'):
with open('/etc/chef/validation.pem', 'w') as validation_cert_fh:
validation_cert_fh.write(chef_cfg['validation_cert'])
validation_name = chef_cfg.get('validation_name','chef-validator')
# create the chef config from template
util.render_to_file('chef_client.rb', '/etc/chef/client.rb',
{'server_url': chef_cfg['server_url'],
'validation_name': chef_cfg['validation_name']})
chef_args = ['-d']
# set the firstboot json
if chef_cfg.has_key('run_list'):
with open('/etc/chef/firstboot.json', 'w') as firstboot_json_fh:
firstboot_json_fh.write("{\n\"run_list\":\n[\n")
firstboot_json_fh.write(
",\n".join(["\"%s\"" % runlist_item for runlist_item in chef_cfg['run_list']])
)
firstboot_json_fh.write("]\n\}")
chef_args.append('-j /etc/chef/firstboot.json')
# and finally, run chef
log.debug("running chef-client %s" % chef_args)
subprocess.check_call(['/usr/bin/chef-client'] + chef_args)
def install_chef_from_gems(ruby_version, chef_version = None):
cc.install_packages(ruby_packages[ruby_version])
gem_bin = get_gem_bin()
if not os.path.exists('/usr/bin/gem'): os.symlink(gem_bin, '/usr/bin/gem')
chef_version_arg = ""
if chef_version: chef_version_arg = "-v %s" % chef_version
subprocess.check_call([gem_bin,'install','chef',chef_version_arg, '--no-ri','--no-rdoc','--no-test','-q'])
os.mkdirs('/etc/chef', '/var/log/chef', '/var/lib/chef', '/var/cache/chef', '/var/backups/chef', '/var/run/chef')
os.symlink('/var/lib/gem/%s/bin/chef-client' % ruby_version, '/usr/bin/chef-client')
# Ohai ruby plugin breaks if there is no ruby or gem binaries at /usr/bin, so
try: os.symlink('/usr/bin/gem%s' % ruby_version, '/usr/bin/gem')
except: pass
try: os.symlink('/usr/bin/ruby%s' % ruby_version, '/usr/bin/ruby')
except: pass
def get_gem_bin():
return '/usr/bin/gem%s' % util.get_cfg_option_str(chef_cfg, 'ruby_version', '1.8')
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