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authorGuilhem Moulin <guilhem@fripost.org>2016-07-09 23:46:21 +0200
committerGuilhem Moulin <guilhem@fripost.org>2016-07-10 01:07:39 +0200
commitb441dd4a7c3ce72008968d324a12e5c342d164a3 (patch)
tree8375a25dfb8a91d3d16cf426851cd1049bb508b3 /group_vars/all.yml
parent418b3303f17776e64341f990d13e98ce6f662bf5 (diff)
Route SMTP traffic from the webmail through IPsec.
Diffstat (limited to 'group_vars/all.yml')
-rw-r--r--group_vars/all.yml38
1 files changed, 27 insertions, 11 deletions
diff --git a/group_vars/all.yml b/group_vars/all.yml
index a9bfda9..96f723b 100644
--- a/group_vars/all.yml
+++ b/group_vars/all.yml
@@ -1,15 +1,4 @@
---
-postfix_instance:
- # The keys are the group names associated with a Postfix role, and the
- # values are the name and group (optional) of the instance dedicated
- # to that role.
- IMAP: { name: mda, port: 2526 }
- MX: { name: mx, group: mta }
- out: { name: out, group: mta, port: 2525 }
- MSA: { name: msa }
- lists: { name: lists, port: 2527 }
-
-
# Virtual (non-routable) IPv4 subnet for IPsec. It is always nullrouted
# in the absence of xfrm lookup (i.e., when there is no matching IPsec
# Security Association) to avoid data leaks.
@@ -23,3 +12,30 @@ ipsec:
elefant: 172.16.0.4
giraff: 172.16.0.5
mistral: 172.16.0.6
+
+
+postfix_instance:
+ # The keys are the group names associated with a Postfix role, and the
+ # values are the name and group (optional) of the instance dedicated
+ # to that role.
+ # For internal services, we also specify its (non-routable) IP address
+ # and port.
+ # XXX it's unfortunate that we can only specify a single address, and
+ # therefore have to limit the number of outgoing SMTP proxy and
+ # IMAP server to one. Since hosts(5) files cannot map and IP
+ # address to multiple hostnames, a workaround would be to use
+ # round-robin DNS, but we can't rely on DNS as long as our zone is
+ # unsigned.
+ IMAP: { name: mda
+ , addr: "{{ (groups.all | length > 1) | ternary( ipsec[ hostvars[groups.IMAP[0]].inventory_hostname_short ], '127.0.0.1') }}"
+ , port: 2526 }
+ MX: { name: mx, group: mta }
+ out: { name: out, group: mta
+ , addr: "{{ (groups.all | length > 1) | ternary( ipsec[ hostvars[groups.out[0]].inventory_hostname_short ], '127.0.0.1') }}"
+ , port: 2525 }
+ MSA: { name: msa }
+ lists: { name: lists
+ , addr: "{{ (groups.all | length > 1) | ternary( ipsec[ hostvars[groups.lists[0]].inventory_hostname_short ], '127.0.0.1') }}"
+ , port: 2527 }
+
+imapsvr_addr: "{{ postfix_instance.IMAP.addr | ipaddr }}"