1 files changed, 128 insertions, 0 deletions
diff --git a/cloudinit/config/cc_chef.py b/cloudinit/config/cc_chef.py
new file mode 100644
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+++ b/cloudinit/config/cc_chef.py
@@ -0,0 +1,128 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+#
+#    Author: Avishai Ish-Shalom <avishai@fewbytes.com>
+#    Author: Mike Moulton <mike@meltmedia.com>
+#    Author: Juerg Haefliger <juerg.haefliger@hp.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 json
+import os
+
+from cloudinit import templater
+from cloudinit import util
+
+ruby_version_default = "1.8"
+
+
+def handle(name, cfg, cloud, log, _args):
+
+    # If there isn't a chef key in the configuration don't do anything
+    if 'chef' not in cfg:
+        log.debug(("Skipping transform named %s,"
+                  " no 'chef' key in configuration"), name)
+        return
+    chef_cfg = cfg['chef']
+
+    # Ensure the chef directories we use exist
+    c_dirs = [
+        '/etc/chef', 
+        '/var/log/chef', 
+        '/var/lib/chef', 
+        '/var/cache/chef', 
+        '/var/backups/chef', 
+        '/var/run/chef',
+    ]
+    for d in c_dirs:
+        util.ensure_dir(cloud.paths.join(False, d))
+
+    # Set the validation key based on the presence of either 'validation_key'
+    # or 'validation_cert'. In the case where both exist, 'validation_key'
+    # takes precedence
+    for key in ('validation_key', 'validation_cert'):
+        if key in chef_cfg and chef_cfg[key]:
+            v_fn = cloud.paths.join(False, '/etc/chef/validation.pem')
+            util.write_file(v_fn, chef_cfg[key])
+            break
+
+    # Create the chef config from template
+    template_fn = cloud.get_template_filename('chef_client.rb')
+    if template_fn:
+        iid = str(cloud.datasource.get_instance_id())
+        params = {
+            'server_url': chef_cfg['server_url'],
+            'node_name': util.get_cfg_option_str(chef_cfg, 'node_name', iid),
+            'environment': util.get_cfg_option_str(chef_cfg, 'environment',
+                                                   '_default'),
+            'validation_name': chef_cfg['validation_name']
+        }
+        out_fn = cloud.paths.join(False, '/etc/chef/client.rb')
+        templater.render_to_file(template_fn, out_fn, params)
+    else:
+        log.warn("No template found, not rendering to /etc/chef/client.rb")
+
+    # set the firstboot json
+    initial_json = {}
+    if 'run_list' in chef_cfg:
+        initial_json['run_list'] = chef_cfg['run_list']
+    if 'initial_attributes' in chef_cfg:
+        initial_attributes = chef_cfg['initial_attributes']
+        for k in list(initial_attributes.keys()):
+            initial_json[k] = initial_attributes[k]
+    firstboot_fn = cloud.paths.join(False, '/etc/chef/firstboot.json')
+    util.write_file(firstboot_fn, json.dumps(initial_json))
+
+    # If chef is not installed, we install chef based on 'install_type'
+    if not os.path.isfile('/usr/bin/chef-client'):
+        install_type = util.get_cfg_option_str(chef_cfg, 'install_type',
+                                               'packages')
+        if install_type == "gems":
+            # this will install and run the chef-client from gems
+            chef_version = util.get_cfg_option_str(chef_cfg, 'version', None)
+            ruby_version = util.get_cfg_option_str(chef_cfg, 'ruby_version',
+                                                   ruby_version_default)
+            install_chef_from_gems(cloud.distro, ruby_version, chef_version)
+            # and finally, run chef-client
+            log.debug('Running chef-client')
+            util.subp(['/usr/bin/chef-client', '-d', '-i', '1800', '-s', '20'])
+        elif install_type == 'packages':
+            # this will install and run the chef-client from packages
+            cloud.distro.install_packages(('chef',))
+        else:
+            log.warn("Unknown chef install type %s", install_type)
+
+
+def get_ruby_packages(version):
+    # return a list of packages needed to install ruby at version
+    pkgs = ['ruby%s' % version, 'ruby%s-dev' % version]
+    if version == "1.8":
+        pkgs.extend(('libopenssl-ruby1.8', 'rubygems1.8'))
+    return pkgs
+
+
+def install_chef_from_gems(ruby_version, chef_version, distro):
+    distro.install_packages(get_ruby_packages(ruby_version))
+    if not os.path.exists('/usr/bin/gem'):
+        util.sym_link('/usr/bin/gem%s' % ruby_version, '/usr/bin/gem')
+    if not os.path.exists('/usr/bin/ruby'):
+        util.sym_link('/usr/bin/ruby%s' % ruby_version, '/usr/bin/ruby')
+    if chef_version:
+        util.subp(['/usr/bin/gem', 'install', 'chef',
+                  '-v %s' % chef_version, '--no-ri',
+                  '--no-rdoc', '--bindir', '/usr/bin', '-q'])
+    else:
+        util.subp(['/usr/bin/gem', 'install', 'chef',
+                  '--no-ri', '--no-rdoc', '--bindir',
+                  '/usr/bin', '-q'])