Allow configuration of MySQL max_connections setting

The number of connections created to the database depends on the
number of running processes and this is a factor of both the nodes
count and the cores count. We make it configurable so it can be
increased when needed.

Change-Id: I41d511bde95d0942706bf7c28cd913498ea165fb

1 files changed, 6 insertions, 0 deletions

diff --git a/puppet/controller-puppet.yaml b/puppet/controller-puppet.yaml
index 9f531efe..3f01b094 100644
--- a/puppet/controller-puppet.yaml
+++ b/puppet/controller-puppet.yaml
@@ -258,6 +258,10 @@ parameters:
         lower level default.
     type: number
     default: 0
+  MysqlMaxConnections:
+    description: Configures MySQL max_connections config setting
+    type: number
+    default: 1024
   MysqlRootPassword:
     type: string
     hidden: true
@@ -683,6 +687,7 @@ resources:
         enable_ceph_storage: {get_param: EnableCephStorage}
         enable_swift_storage: {get_param: EnableSwiftStorage}
         mysql_innodb_buffer_pool_size: {get_param: MysqlInnodbBufferPoolSize}
+        mysql_max_connections: {get_param: MysqlMaxConnections}
         mysql_root_password: {get_param: MysqlRootPassword}
         mysql_cluster_name:
           str_replace:
@@ -953,6 +958,7 @@ resources:
                 enable_ceph_storage: {get_input: enable_ceph_storage}
                 enable_swift_storage: {get_input: enable_swift_storage}
                 mysql_innodb_buffer_pool_size: {get_input: mysql_innodb_buffer_pool_size}
+                mysql_max_connections: {get_input: mysql_max_connections}
                 mysql::server::root_password: {get_input: mysql_root_password}
                 mysql_cluster_name: {get_input: mysql_cluster_name}
                 mysql_bind_host: {get_input: mysql_network}