class CloudStackPlatform(Platform):
name = 'cloudstack'
features = [PlatformFeatures.SNAPSHOTS, PlatformFeatures.VOLUMES]
_dhcp_leases_mtime = None
_dhcp_leases_path = None
_router_addr = None
def __init__(self):
Platform.__init__(self)
self._metadata = {}
self._conn_pool = LocalPool(_create_connection)
self.refresh_virtual_router_addr()
def refresh_virtual_router_addr(self):
leases_pattern = '/var/lib/dhc*/dhclient*.lease*'
if not self._dhcp_leases_path:
LOG.debug('Lookuping DHCP leases file')
try:
self._dhcp_leases_path = glob.glob(leases_pattern)[0]
except IndexError:
raise PlatformError("Can't find virtual router. No file matching pattern: %s", leases_pattern)
if os.stat(self._dhcp_leases_path).st_mtime == self._dhcp_leases_mtime:
return
LOG.debug('Lookuping meta-data server address')
for line in open(self._dhcp_leases_path):
if 'dhcp-server-identifier' in line:
self._router_addr = filter(None, line.split(';')[0].split(' '))[2]
LOG.debug('Meta-data server: %s', self._router_addr)
self._dhcp_leases_mtime = os.stat(self._dhcp_leases_path).st_mtime
def get_private_ip(self):
return self.get_meta_data('local-ipv4')
def get_public_ip(self):
return self.get_meta_data('public-ipv4')
def get_user_data(self, key=None):
if self._userdata is None:
try:
self._userdata = self._parse_user_data(self.get_meta_data('user-data'))
except PlatformError, e:
if 'HTTP Error 404' in e:
self._userdata = {}
else:
raise
return Platform.get_user_data(self, key)
class CloudStackPlatform(Platform):
name = 'cloudstack'
features = [PlatformFeatures.SNAPSHOTS, PlatformFeatures.VOLUMES]
def __init__(self):
Platform.__init__(self)
# Find the virtual router.
eth0leases = util.firstmatched(lambda x: os.path.exists(x),
['/var/lib/dhcp/dhclient.eth0.leases',
'/var/lib/dhcp3/dhclient.eth0.leases',
'/var/lib/dhclient/dhclient-eth0.leases'],
'/var/lib/dhclient/dhclient-eth0.leases')
if not os.path.exists(eth0leases):
raise PlatformError("Can't find virtual router. file %s not exists" % eth0leases)
router = None
for line in open(eth0leases):
if 'dhcp-server-identifier' in line:
router = filter(None, line.split(';')[0].split(' '))[2]
LOG.debug('Meta-data server: %s', router)
self._router = router
self._metadata = {}
def get_private_ip(self):
return self.get_meta_data('local-ipv4')
def get_public_ip(self):
return self.get_meta_data('public-ipv4')
def get_user_data(self, key=None):
if self._userdata is None:
try:
self._userdata = self._parse_user_data(self.get_meta_data('user-data'))
except PlatformError, e:
if 'HTTP Error 404' in e:
self._userdata = {}
else:
raise
return Platform.get_user_data(self, key)
