diff options
Diffstat (limited to 'cloudinit/sources/DataSourceCloudStack.py')
| -rw-r--r-- | cloudinit/sources/DataSourceCloudStack.py | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/cloudinit/sources/DataSourceCloudStack.py b/cloudinit/sources/DataSourceCloudStack.py index f185dc71..e333cb50 100644 --- a/cloudinit/sources/DataSourceCloudStack.py +++ b/cloudinit/sources/DataSourceCloudStack.py @@ -13,7 +13,7 @@ # This file is part of cloud-init. See LICENSE file for license information. import os -from socket import inet_ntoa +from socket import inet_ntoa, getaddrinfo, gaierror from struct import pack import time @@ -156,6 +156,17 @@ class DataSourceCloudStack(sources.DataSource): return self.metadata['availability-zone'] +def get_data_server(): + # Returns the metadataserver from dns + try: + addrinfo = getaddrinfo("data-server.", 80) + except gaierror: + LOG.debug("DNS Entry data-server not found") + return None + else: + return addrinfo[0][4][0] # return IP + + def get_default_gateway(): # Returns the default gateway ip address in the dotted format. lines = util.load_file("/proc/net/route").splitlines() @@ -218,7 +229,14 @@ def get_vr_address(): # If no virtual router is detected, fallback on default gateway. # See http://docs.cloudstack.apache.org/projects/cloudstack-administration/en/4.8/virtual_machines/user-data.html # noqa - # Try networkd first... + # Try data-server DNS entry first + latest_address = get_data_server() + if latest_address: + LOG.debug("Found metadata server '%s' via data-server DNS entry", + latest_address) + return latest_address + + # Try networkd second... latest_address = dhcp.networkd_get_option_from_leases('SERVER_ADDRESS') if latest_address: LOG.debug("Found SERVER_ADDRESS '%s' via networkd_leases", |