From 96d50af58cf2bd59ccdb067b2586a0814c4c25ef Mon Sep 17 00:00:00 2001
From: David J Peacock <david.j.peacock@gmail.com>
Date: Tue, 25 Aug 2020 13:38:49 -0400
Subject: [PATCH] Expose Innodb_buffer_pool_size

This can now be set via 'MysqlInnodbBufferPoolSize'.

Change-Id: I59e74a76d8467bd49c95da5031a23cda0cc6f52d
Related-Change-Id: I4e4d4ded28846a68b2ac6f993d9adaca11bf18ce
(cherry picked from commit 05d943107feef20f5c64f376e688478447d2d226)
---
 deployment/database/mysql-base.yaml                   | 11 +++++++++++
 .../notes/innodb-tuning-param-e71d2fd727c450ec.yaml   |  6 ++++++
 2 files changed, 17 insertions(+)
 create mode 100644 releasenotes/notes/innodb-tuning-param-e71d2fd727c450ec.yaml

diff --git a/deployment/database/mysql-base.yaml b/deployment/database/mysql-base.yaml
index 14aae39b0b..985a18d25b 100644
--- a/deployment/database/mysql-base.yaml
+++ b/deployment/database/mysql-base.yaml
@@ -72,6 +72,11 @@ parameters:
     default: ''
     description: Override the private key size used when creating the
                  certificate for this service
+  MysqlInnodbBufferPoolSize:
+    type: string
+    description: Buffer pool size for MySQL database; this needs to be larger
+                 for at-scale deployments
+    default: ''
 
 parameter_groups:
 - label: deprecated
@@ -91,6 +96,7 @@ conditions:
       - {get_param: [ServiceData, net_ip_version_map, {get_param: [ServiceNetMap, MysqlNetwork]}]}
       - 6
   key_size_override_unset: {equals: [{get_param: MysqlCertificateKeySize}, '']}
+  innodb_buffer_pool_size: {not: {equals: [{get_param: MysqlInnodbBufferPoolSize}, '']}}
 
 outputs:
   container_config_scripts:
@@ -184,6 +190,11 @@ outputs:
                     - {get_param: CertificateKeySize}
                     - {get_param: MysqlCertificateKeySize}
             - {}
+          -
+            if:
+            - innodb_buffer_pool_size
+            - innodb_buffer_pool_size: {get_param: MysqlInodbBufferPoolSize}
+            - {}
       step_config: |
         include tripleo::profile::base::database::mysql
       metadata_settings:
diff --git a/releasenotes/notes/innodb-tuning-param-e71d2fd727c450ec.yaml b/releasenotes/notes/innodb-tuning-param-e71d2fd727c450ec.yaml
new file mode 100644
index 0000000000..ac26fd2eac
--- /dev/null
+++ b/releasenotes/notes/innodb-tuning-param-e71d2fd727c450ec.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    The MariaDB tuning parameter for Innodb_buffer_pool_size can now be set via
+    a new TripleO Heat Template parameter 'MysqlInnodbBufferPoolSize'.
+    By default this is undefined.