Add role specific information to the service template

When a service is enabled on multiple roles, the parameters for the
service will be global. This change enables an option to provide
role specific parameter to services and other templates.

Two new parameters - RoleName and RoleParameters, are added to the
service template. RoleName provides the role name of on which the
current instance of the service is being applied on. RoleParameters
provides the list of parameters which are configured specific to the
role in the environment file, like below:

  parameters_default:
      # Default value for applied to all roles
      NovaReservedHostMemory: 2048
      ComputeDpdkParameters:
          # Applied only to ComputeDpdk role
          NovaReservedHostMemory: 4096

In above sample, the cluster contains 2 roles - Compute, ComputeDpdk.
The values of ComputeDpdkParameters will be passed on to the templates
as RoleParameters while creating the stack for ComputeDpdk role. The
parameter which supports role specific configuration, should find the
parameter first in in the RoleParameters list, if not found, then the
default (for all roles) should be used.
Implements: blueprint tripleo-derive-parameters

Change-Id: I72376a803ec6b2ed93903cc0c95a6ffce718b6dc

6 files changed, 52 insertions, 0 deletions

diff --git a/puppet/services/database/mongodb-base.yaml b/puppet/services/database/mongodb-base.yaml
index c27fcb7f..0d3a9ead 100644
--- a/puppet/services/database/mongodb-base.yaml
+++ b/puppet/services/database/mongodb-base.yaml
@@ -24,6 +24,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
diff --git a/puppet/services/database/mongodb.yaml b/puppet/services/database/mongodb.yaml
index 50597216..72a37c68 100644
--- a/puppet/services/database/mongodb.yaml
+++ b/puppet/services/database/mongodb.yaml
@@ -14,6 +14,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
@@ -40,6 +48,8 @@ resources:
       ServiceNetMap: {get_param: ServiceNetMap}
       DefaultPasswords: {get_param: DefaultPasswords}
       EndpointMap: {get_param: EndpointMap}
+      RoleName: {get_param: RoleName}
+      RoleParameters: {get_param: RoleParameters}
 
 outputs:
   role_data:
diff --git a/puppet/services/database/mysql-client.yaml b/puppet/services/database/mysql-client.yaml
index b6bd060e..4b0201f3 100644
--- a/puppet/services/database/mysql-client.yaml
+++ b/puppet/services/database/mysql-client.yaml
@@ -13,6 +13,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
diff --git a/puppet/services/database/mysql.yaml b/puppet/services/database/mysql.yaml
index da55da3c..0b6797c3 100644
--- a/puppet/services/database/mysql.yaml
+++ b/puppet/services/database/mysql.yaml
@@ -14,6 +14,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
diff --git a/puppet/services/database/redis-base.yaml b/puppet/services/database/redis-base.yaml
index 6d77a84b..fff817ef 100644
--- a/puppet/services/database/redis-base.yaml
+++ b/puppet/services/database/redis-base.yaml
@@ -21,6 +21,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
diff --git a/puppet/services/database/redis.yaml b/puppet/services/database/redis.yaml
index 5ea25ca8..9c7144c4 100644
--- a/puppet/services/database/redis.yaml
+++ b/puppet/services/database/redis.yaml
@@ -13,6 +13,14 @@ parameters:
   DefaultPasswords:
     default: {}
     type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    default: {}
+    description: Parameters specific to the role
+    type: json
   EndpointMap:
     default: {}
     description: Mapping of service endpoint -> protocol. Typically set
@@ -26,6 +34,8 @@ resources:
       ServiceNetMap: {get_param: ServiceNetMap}
       DefaultPasswords: {get_param: DefaultPasswords}
       EndpointMap: {get_param: EndpointMap}
+      RoleName: {get_param: RoleName}
+      RoleParameters: {get_param: RoleParameters}
 
 outputs:
   role_data: