From b408390ae9311b7d703ce57c25a78dce23c31b16 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Wed, 10 Jun 2015 15:35:13 +0200
Subject: Configure munin nodes & master.

Interhost communications are protected by stunnel4.  The graphs are only
visible on the master itself, and content is generated by Fast CGI.
---
 .../templates/etc/stunnel/munin-node.conf.j2       | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 roles/common/templates/etc/stunnel/munin-node.conf.j2

(limited to 'roles/common/templates/etc/stunnel')

diff --git a/roles/common/templates/etc/stunnel/munin-node.conf.j2 b/roles/common/templates/etc/stunnel/munin-node.conf.j2
new file mode 100644
index 0000000..de6c156
--- /dev/null
+++ b/roles/common/templates/etc/stunnel/munin-node.conf.j2
@@ -0,0 +1,53 @@
+; **************************************************************************
+; * Global options                                                         *
+; **************************************************************************
+
+; setuid()/setgid() to the specified user/group in daemon mode
+setuid = stunnel4
+setgid = stunnel4
+
+; PID is created inside the chroot jail
+pid = /var/run/stunnel4/munin-node.pid
+
+; Only log messages at severity warning (4) and higher
+debug = 4
+
+; **************************************************************************
+; * Service defaults may also be specified in individual service sections  *
+; **************************************************************************
+
+; Certificate/key is needed in server mode and optional in client mode
+cert = /etc/stunnel/certs/munin-{{ inventory_hostname_short }}.pem
+key  = /etc/stunnel/certs/munin-{{ inventory_hostname_short }}.key
+
+; Some performance tunings
+socket = l:TCP_NODELAY=1
+socket = r:TCP_NODELAY=1
+
+; Prevent MITM attacks
+verify = 4
+
+; Disable support for insecure protocols
+options = NO_SSLv2
+options = NO_SSLv3
+options = NO_TLSv1
+options = NO_TLSv1.1
+
+; These options provide additional security at some performance degradation
+options = SINGLE_ECDH_USE
+options = SINGLE_DH_USE
+
+; Select permitted SSL ciphers
+ciphers = EECDH+AES:EDH+AES:!MEDIUM:!LOW:!EXP:!aNULL:!eNULL:!SSLv2:!SSLv3:!TLSv1:!TLSv1.1
+
+; **************************************************************************
+; * Service definitions (remove all services for inetd mode)               *
+; **************************************************************************
+
+[munin-node]
+client  = no
+accept  = 4949
+connect = 127.0.0.1:4994
+CAfile  = /etc/stunnel/certs/munin-master.pem
+
+; vim:ft=dosini
-- 
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