Adds unfinished management command for dhcp sync

mdb/management/commands/dhcp-sync.py

@@ -0,0 +1,57 @@
+from django.core.management.base import BaseCommand, CommandError
+from django.core.mail import mail_admins
+import sys
+from optparse import make_option
+from commands import getstatusoutput
+from mdb.models import DhcpConfig
+
+
+class Command(BaseCommand):
+    args = '<poll_id poll_id ...>'
+    help = 'Generates the DHCP configuration'
+
+    option_list = BaseCommand.option_list + (
+        make_option('--output',
+                    action='store',
+                    dest='output',
+                    default=None,
+                    help='Path to dhcpd.conf, defaults to stdout'),
+        make_option('--force',
+                    action='store_true',
+                    dest='force',
+                    default=False,
+                    help='Write to output even if serial is unchanged.'),
+    )
+
+    def handle(self, *args, **options):
+        output = options['output'] if options['output'] else sys.stdout
+        force = options['force']
+
+        #dhcpd_init = "/etc/init.d/dhcp3-server %s"
+        dhcpd_init = "echo %s"
+
+        #dhcpd_config = "/etc/dhcp3/dhcpd.conf"
+
+        config = DhcpConfig.objects.filter(name="default").get()
+
+        if config.serial == config.active_serial and not force:
+            sys.exit(0)
+
+        dhcpd_file = open(output, 'w')
+        dhcpd_file.write(config.dhcpd_configuration())
+        dhcpd_file.close()
+
+        config.active_serial = config.serial
+        config.save()
+
+        status, output = getstatusoutput(dhcpd_init % "restart")
+        if status != 0:
+            mail_admins(
+                "Failed to restart dhcp3-server",
+                "Failed to restart dhcp3-server, please inspect...\n\n" + output)
+            sys.exit(1)
+        else:
+            mail_admins(
+                "Update dhcpd configuration success!",
+                "Updated dhcpd configuration to serial %d." % config.active_serial)
+            sys.exit(0)