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Add ability to select to prefer IPv4 addresses for ansible_ssh_host (#35584)

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Currently Cloudforms can return a mix of IPv4 and IPv6 addresses in the
ipaddresses field and this mix comes in a "random" order (that is the
first entry may be IPv4 sometimes but IPv6 other times). If you wish to
always use IPv4 for the ansible_ssh_host value then this is problematic.

This change adds a new prefer_ipv4 flag which will look for the first
IPv4 address in the ipaddresses list and uses that instead of just the
first entry.
This commit is contained in:
Richard Bywater 2018-02-02 02:33:51 +11:00 committed by Sam Doran
parent fe067040d1
commit 7dbcf752c8
2 changed files with 17 additions and 1 deletions
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3
contrib/inventory/cloudforms.ini
View file

@ -31,6 +31,9 @@ nest_tags = False
# Note: This suffix *must* include the leading '.' as it is appended to the hostname as is
# suffix = .example.org
# If true, will try and use an IPv4 address for the ansible_ssh_host rather than just the first IP address in the list
prefer_ipv4 = False
[cache]
# Maximum time to trust the cache in seconds

15
contrib/inventory/cloudforms.py
View file

@ -182,6 +182,11 @@ class CloudFormsInventory(object):
else:
self.cloudforms_suffix = None
if config.has_option('cloudforms', 'prefer_ipv4'):
self.cloudforms_prefer_ipv4 = config.getboolean('cloudforms', 'prefer_ipv4')
else:
self.cloudforms_prefer_ipv4 = False
# Ansible related
try:
group_patterns = config.get('ansible', 'group_patterns')
@ -362,7 +367,15 @@ class CloudFormsInventory(object):
# Set ansible_ssh_host to the first available ip address
if 'ipaddresses' in host and host['ipaddresses'] and isinstance(host['ipaddresses'], list):
host['ansible_ssh_host'] = host['ipaddresses'][0]
# If no preference for IPv4, just use the first entry
if not self.cloudforms_prefer_ipv4:
host['ansible_ssh_host'] = host['ipaddresses'][0]
else:
# Before we search for an IPv4 address, set using the first entry in case we don't find any
host['ansible_ssh_host'] = host['ipaddresses'][0]
for currenthost in host['ipaddresses']:
if '.' in currenthost:
host['ansible_ssh_host'] = currenthost
# Create additional groups
for key in ('location', 'type', 'vendor'):