[maas] Enable back IPv6 for MaaS node

IPv6 has been disabled recently by default to reduce the attack
surface of the system, however MaaS rackd service relies on other
libraries that require an INET6 socket by design.

Change-Id: I6c633e9790e75d53437f400790d0e528f0a792b3
Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/mcp/reclass/classes/cluster/all-mcp-arch-common/infra/maas.yml.j2 b/mcp/reclass/classes/cluster/all-mcp-arch-common/infra/maas.yml.j2
index ea97773..8ef7376 100644 (file)
--- a/mcp/reclass/classes/cluster/all-mcp-arch-common/infra/maas.yml.j2
+++ b/mcp/reclass/classes/cluster/all-mcp-arch-common/infra/maas.yml.j2
@@ -122,6 +122,10 @@ parameters:
     cluster:
       saltstack_repo_xenial: "deb [arch=amd64] http://repo.saltstack.com/apt/ubuntu/16.04/amd64/2017.7/ xenial main"
   linux:
+    system:
+      kernel:
+        ~boot_options:
+          - ipv6.disable=0
     network:
       interface:
         mcpcontrol_interface: