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Role management

The Roles section has two subsections; one to manage general Role settings, and one to manage asset types.

A new role called “Database” is created in the image below. Role Name is the only mandatory field, and by specifying Role Type = Basic and Default Level of Access = None, the role will start with no permissions.

Creating a Role

Creation of a new basic role.
Information noteUsing the default values is a good way to give admin users access to any new asset type automatically as well as limiting end users to have the access specified by an admin.

Once the role is created, each asset type can be managed under the Data Catalog Asset section:

Data Catalog Assets list

The DataCatalog Assets section of the Roles tab in NodeGraph Settings.

The assets are grouped by Asset Owner, which in most cases is the same as the connector type creating the asset. Asset types that are common to multiple connectors are grouped under General.

To enable the newly created Database role to access tables, views, and columns for databases, listed under “Database Common”, set the Level of Access to “view” for those assets. If the roles should also see all advanced details for these asset types, the value under Content Details should be set to “advanced”.

Configuring Role per asset type

The Asset Owner, Asset Type, Level of Access, and Content Details columns. Level of Access can be set to None or View for each item, and Content Details can be set to Basic or Advanced for each item.

To allow for quick changes to all asset types, there is a dedicated row at the top of the list titled Total. Any changes made on this row will affect all assets listed.

Change all assets via Total Asset row

The Total row, found at the top of the assets list, can be used to change settings for all assets at once.

The icon next to each asset type indicates how the setting for this asset type has been derived. Before any changes are made to the asset types, all values will be derived from the role’s default settings. This is indicated by a grey user icon. Once the asset type settings have been customized via the Role Settings, the icon will change to a green checkmark.

Asset settings derived from role

A grey user icon beside Dataset.

Asset settings saved on role

A green check mark beside Dataset.
Information noteIn case of asset type update in future NodeGraph versions, any non-existing asset type that has been previously assigned to a role, will be listed on a separate list at the bottom of the page. The NodeGraph admin should use this information to ensure that all existing asset types are correct. When the role is updated, all previous non-existing asset types will be removed from the role.

Non-existing asset types with previously assigned roles

A list of non-existing asset types on role. There is a red exclamation mark beside DbTable, and mouse-over text stating "Asset type does not exist anymore."

Default roles

NodeGraph has two default roles: Advanced and Basic. The roles are customizable, and can be created, modified, and deleted by NodeGraph admins. Note that NodeGraph always needs at least one active role. If all roles are deleted, NodeGraph will recreate the default roles.

Advanced role

The Advanced role gives a NodeGraph user file access in the Data Catalog, matching the settings in effect for versions prior to 4.1. This role has no specified asset types, and instead it uses the default Advanced settings for both Level of Access (view) and Content Details (Advanced) to give users covered by this role full access to all assets in current and future NodeGraph versions.

Role: Advanced

The Advanced role under Your Roles. Role Type is set to Advanced, and Default Level of Access is set to View.

Basic role

The Basic role is intended to be used for NodeGraph users that are not interested in the technical background details of the BI solution. The role has viewing rights for a subset of asset types, such as BI applications and dashboards and their content. Asset types that are related to database tables and connections are not visible for users covered by this role. The value on Content Details is set to basic to hide all technical details for the listed asset types.

This role also uses the default values to limit access to any new asset type in future versions of NodeGraph. This can be changed by a NodeGraph admin.

Role: Basic

The Basic role under Your Roles. Role Type is set to Basic, and Default Level of Access is set to None.

Role assignment

To assign a Data Catalog Role to a specific NodeGraph user, go to the User management page via the left-side menu. Once on this page, you will see a column entitled Data Catalog Roles. This column shows the current role assignment per NodeGraph user.

Data Catalog Roles in User management

The Users page. The Data Catalog Roles column is on the right.

When editing an existing user, all available roles are listed on the pop-up screen. Select each checkbox next to the role the user should be assigned and click on the save button.

Edit the user settings

When editing user settings, a list of Data Catalog roles appears at the bottom of the list of options.

The settings are come into effect immediately for the selected user.

Upgrading from previous NodeGraph versions

If your current NodeGraph installation was upgraded from a version prior to 4.1, then all existing users are mapped to the default roles the first time the NodeGraph service is started after the upgrade.

Admin users: assigned to the role Advanced

Non-admin users: assigned to the role Basic

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