Github user pvillard31 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1978#discussion_r125984210
--- Diff: nifi-docs/src/main/asciidoc/administration-guide.adoc ---
@@ -464,6 +464,17 @@ Another option for the UserGroupProvider is the
LdapUserGroupProvider. By defaul
* Group Name Attribute - Attribute to use to extract group name (i.e. cn).
Optional. If not set, the entire DN is used.
* Group Member Attribute - Attribute to use to define group membership
(i.e. member). Optional. If not set group membership will not be calculated
through the groups. Will rely on group member being defined through 'User Group
Name Attribute' if set.
+Another option for the UserGroupProvider are composite implementations.
This means that multiple sources/implementations can be configured and
composed. For instance, an admin can configure users/groups to be loaded from a
file and an directory server. There are two composite implementations, one that
supports multiple UserGroupProviders and one that supports multiple
UserGroupProviders and a single configurable UserGroupProvider.
+
+The CompositeUserGroupProvider will provide support for retrieving users
and groups from multiple sources.
+
+* User Group Provider - The identifier of user group providers to load
from. The name of each property must be unique, for example: "User Group
Provider A", "User Group Provider B", "User Group Provider C" or "User Group
Provider 1", "User Group Provider 2", "User Group Provider 3"
+
+The CompositeConfigurableUserGroupProvider will provide support for
retrieving users and groups from multiple sources. Additionally, a single
configurable user group provider is required. Users from the configurable user
group provider are configurable, however users loaded from one of the User
Group Provider [unique key] will not be.
+
+* Configurable User Group Provider - A configurable user group provider.
--- End diff --
I would add an example or update the example below in the documentation to
show the configuration of the CompositeConfigurableUserGroupProvider as I
believe it'll be largely used.
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