Moved the handlers from a user_data directory to a handler directory.

1 files changed, 108 insertions, 0 deletions

diff --git a/cloudinit/transforms/cc_puppet.py b/cloudinit/transforms/cc_puppet.py
new file mode 100644
index 00000000..6fc475f6
--- /dev/null
+++ b/cloudinit/transforms/cc_puppet.py
@@ -0,0 +1,108 @@
+# vi: ts=4 expandtab
+#
+#    Copyright (C) 2009-2010 Canonical Ltd.
+#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
+#
+#    Author: Scott Moser <scott.moser@canonical.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 os
+import os.path
+import pwd
+import socket
+import subprocess
+import StringIO
+import ConfigParser
+import cloudinit.CloudConfig as cc
+import cloudinit.util as util
+
+
+def handle(_name, cfg, cloud, log, _args):
+    # If there isn't a puppet key in the configuration don't do anything
+    if 'puppet' not in cfg:
+        return
+    puppet_cfg = cfg['puppet']
+    # Start by installing the puppet package ...
+    cc.install_packages(("puppet",))
+
+    # ... and then update the puppet configuration
+    if 'conf' in puppet_cfg:
+        # Add all sections from the conf object to puppet.conf
+        puppet_conf_fh = open('/etc/puppet/puppet.conf', 'r')
+        # Create object for reading puppet.conf values
+        puppet_config = ConfigParser.ConfigParser()
+        # Read puppet.conf values from original file in order to be able to
+        # mix the rest up
+        puppet_config.readfp(StringIO.StringIO(''.join(i.lstrip() for i in
+                                               puppet_conf_fh.readlines())))
+        # Close original file, no longer needed
+        puppet_conf_fh.close()
+        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)
+                util.restorecon_if_possible('/var/lib/puppet', recursive=True)
+            else:
+                #puppet_conf_fh.write("\n[%s]\n" % (cfg_name))
+                # If puppet.conf already has this section we don't want to
+                # write it again
+                if puppet_config.has_section(cfg_name) == False:
+                    puppet_config.add_section(cfg_name)
+                # Iterate throug the config items, we'll use ConfigParser.set
+                # to overwrite or create new items as needed
+                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_config.set(cfg_name, o, v)
+                    #puppet_conf_fh.write("%s=%s\n" % (o, v))
+            # We got all our config as wanted we'll rename
+            # the previous puppet.conf and create our new one
+            os.rename('/etc/puppet/puppet.conf', '/etc/puppet/puppet.conf.old')
+            with open('/etc/puppet/puppet.conf', 'wb') as configfile:
+                puppet_config.write(configfile)
+            util.restorecon_if_possible('/etc/puppet/puppet.conf')
+    # Set puppet to automatically start
+    if os.path.exists('/etc/default/puppet'):
+        subprocess.check_call(['sed', '-i',
+                               '-e', 's/^START=.*/START=yes/',
+                               '/etc/default/puppet'])
+    elif os.path.exists('/bin/systemctl'):
+        subprocess.check_call(['/bin/systemctl', 'enable', 'puppet.service'])
+    elif os.path.exists('/sbin/chkconfig'):
+        subprocess.check_call(['/sbin/chkconfig', 'puppet', 'on'])
+    else:
+        log.warn("Do not know how to enable puppet service on this system")
+    # Start puppetd
+    subprocess.check_call(['service', 'puppet', 'start'])