remove idle_timeout's opt in favor of connection_recycle_time

In icehouse database/idle_timeout has been deprecated in favor to
database/connection_recycle_time. This commit reflects the change in
our templates.

Change-Id: I6814a9d61d24c713e7a5182bf9683a393cda06bb
Closes-Bug: 1805592
Signed-off-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@canonical.com>

templates/icehouse/keystone.conf

@@ -23,7 +23,7 @@ connection = {{ database_type }}://{{ database_user }}:{{ database_password }}@{
 {% else -%}
 connection = sqlite:////var/lib/keystone/keystone.db
 {% endif -%}
-idle_timeout = 200
+connection_recycle_time = 200
 
 [identity]
 driver = keystone.identity.backends.{{ identity_backend }}.Identity

templates/kilo/keystone.conf

@@ -26,7 +26,7 @@ connection = {{ database_type }}://{{ database_user }}:{{ database_password }}@{
 {% else -%}
 connection = sqlite:////var/lib/keystone/keystone.db
 {% endif -%}
-idle_timeout = 200
+connection_recycle_time = 200
 
 [identity]
 driver = keystone.identity.backends.{{ identity_backend }}.Identity

templates/mitaka/keystone.conf

@@ -17,7 +17,7 @@ connection = {{ database_type }}://{{ database_user }}:{{ database_password }}@{
 {% else -%}
 connection = sqlite:////var/lib/keystone/keystone.db
 {% endif -%}
-idle_timeout = 200
+connection_recycle_time = 200
 
 [identity]
 driver = {{ identity_backend }}

templates/ocata/keystone.conf

@@ -17,7 +17,7 @@ connection = {{ database_type }}://{{ database_user }}:{{ database_password }}@{
 {% else -%}
 connection = sqlite:////var/lib/keystone/keystone.db
 {% endif -%}
-idle_timeout = 200
+connection_recycle_time = 200
 
 [identity]
 driver = {{ identity_backend }}

templates/rocky/keystone.conf

@@ -17,7 +17,7 @@ connection = {{ database_type }}://{{ database_user }}:{{ database_password }}@{
 {% else -%}
 connection = sqlite:////var/lib/keystone/keystone.db
 {% endif -%}
-idle_timeout = 200
+connection_recycle_time = 200
 
 [identity]
 driver = {{ identity_backend }}