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addons: address: enable ipv6 before adding new address

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Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>
This commit is contained in:
Julien Fortin
2020-09-28 17:59:27 +02:00
parent 6860da4441
commit 190cf3e6eb
1 changed files with 11 additions and 0 deletions
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11
ifupdown2/addons/address.py
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@@ -461,8 +461,19 @@ class address(Addon, moduleBase):
return True, user_config_ip_addrs_list
def __add_ip_addresses_with_attributes(self, ifaceobj, ifname, user_config_ip_addrs):
ipv6_is_disabled = None
try:
for ip, attributes in user_config_ip_addrs:
if ip.version == 6 and ipv6_is_disabled is None:
# check (only once) if ipv6 is disabled on this device
proc_path = "/proc/sys/net/ipv6/conf/%s/disable_ipv6" % ifname
ipv6_is_disabled = utils.get_boolean_from_string(self.read_file_oneline(proc_path))
if ipv6_is_disabled:
# enable ipv6
self.write_file(proc_path, "0")
if attributes:
self.netlink.addr_add(
ifname, ip,