From d905ed08052ca5dc78b5f7f56f731394f19958ed Mon Sep 17 00:00:00 2001
From: Martin André <m.andre@redhat.com>
Date: Wed, 23 Aug 2017 12:44:42 +0200
Subject: Use TLS proxy for Redis' internal TLS

This uses the tls_proxy resource in front of the Redis server when
internal TLS is enabled.

bp tls-via-certmonger

Co-Authored-By: Juan Antonio Osorio Robles <jaosorior@redhat.com>
Change-Id: Ia50933da9e59268b17f56db34d01dcc6b6c38147
(cherry picked from commit 2d1d7875aa6f0b68005c84189627bc0716a7693f)
---
 manifests/profile/base/database/redis.pp | 71 ++++++++++++++++++++++++++++++--
 1 file changed, 68 insertions(+), 3 deletions(-)

(limited to 'manifests/profile/base/database/redis.pp')

diff --git a/manifests/profile/base/database/redis.pp b/manifests/profile/base/database/redis.pp
index e357359..8d4ed94 100644
--- a/manifests/profile/base/database/redis.pp
+++ b/manifests/profile/base/database/redis.pp
@@ -22,6 +22,26 @@
 #   (Optional) Hostname of Redis master
 #   Defaults to hiera('bootstrap_nodeid')
 #
+# [*certificate_specs*]
+#   (Optional) The specifications to give to certmonger for the certificate(s)
+#   it will create.
+#   Example with hiera:
+#     redis_certificate_specs:
+#       hostname: <overcloud controller fqdn>
+#       service_certificate: <service certificate path>
+#       service_key: <service key path>
+#       principal: "haproxy/<overcloud controller fqdn>"
+#   Defaults to hiera('redis_certificate_specs', {}).
+#
+# [*enable_internal_tls*]
+#   (Optional) Whether TLS in the internal network is enabled or not.
+#   Defaults to hiera('enable_internal_tls', false)
+#
+# [*redis_network*]
+#   (Optional) The network name where the redis endpoint is listening on.
+#   This is set by t-h-t.
+#   Defaults to hiera('redis_network', undef)
+#
 # [*redis_node_ips*]
 #   (Optional) List of Redis node ips
 #   Defaults to hiera('redis_node_ips')
@@ -31,12 +51,57 @@
 #   for more details.
 #   Defaults to hiera('step')
 #
+# [*tls_proxy_bind_ip*]
+#   IP on which the TLS proxy will listen on. Required only if
+#   enable_internal_tls is set.
+#   Defaults to undef
+#
+# [*tls_proxy_fqdn*]
+#   fqdn on which the tls proxy will listen on. required only used if
+#   enable_internal_tls is set.
+#   defaults to undef
+#
+# [*tls_proxy_port*]
+#   port on which the tls proxy will listen on. Only used if
+#   enable_internal_tls is set.
+#   defaults to 6379
+#
 class tripleo::profile::base::database::redis (
-  $bootstrap_nodeid = hiera('bootstrap_nodeid'),
-  $redis_node_ips   = hiera('redis_node_ips'),
-  $step             = Integer(hiera('step')),
+  $bootstrap_nodeid    = hiera('bootstrap_nodeid'),
+  $certificate_specs  = hiera('redis_certificate_specs', {}),
+  $enable_internal_tls = hiera('enable_internal_tls', false),
+  $redis_network       = hiera('redis_network', undef),
+  $redis_node_ips      = hiera('redis_node_ips'),
+  $step                = Integer(hiera('step')),
+  $tls_proxy_bind_ip   = undef,
+  $tls_proxy_fqdn      = undef,
+  $tls_proxy_port      = 6379,
 ) {
   if $step >= 2 {
+    if $enable_internal_tls {
+      if !$redis_network {
+        fail('redis_network is not set in the hieradata.')
+      }
+      if !$tls_proxy_bind_ip {
+        fail('tls_proxy_bind_ip is not set in the hieradata.')
+      }
+      if !$tls_proxy_fqdn {
+        fail('tls_proxy_fqdn is required if internal TLS is enabled.')
+      }
+      $tls_certfile = $certificate_specs['service_certificate']
+      $tls_keyfile = $certificate_specs['service_key']
+
+      include ::tripleo::stunnel
+
+      ::tripleo::stunnel::service_proxy { 'redis':
+        accept_host  => $tls_proxy_bind_ip,
+        accept_port  => $tls_proxy_port,
+        connect_port => $tls_proxy_port,
+        certificate  => $tls_certfile,
+        key          => $tls_keyfile,
+        notify       => Class['::redis'],
+      }
+    }
     if downcase($bootstrap_nodeid) == $::hostname {
       $slaveof = undef
     } else {
-- 
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