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Authorization

Red Hat Developer Hub 1.4

Configuring authorization by using role based access control (RBAC) in Red Hat Developer Hub

Red Hat Customer Content Services

Abstract

As a Red Hat Developer Hub platform engineer, you can manage authorizations of other users by using role based access control (RBAC) to meet the specific needs of your organization.

Preface

In Authentication, you learnt how to authenticate users to Red Hat Developer Hub. Developer Hub knowns who the users are.

In this book, learn how to authorize users to perform actions in Developer Hub. Define what users can do in Developer Hub.

Role-Based Access Control (RBAC) is a security concept that controls access to resources in a system, and specifies a mapping between users of the system, and the actions they can perform on resources in the system. You define roles with specific permissions, and then assign the roles to users and groups.

RBAC on Developer Hub is built on top of the Permissions framework, which defines RBAC policies in code. Rather than defining policies in code, the Developer Hub RBAC feature allows you to define policies in a declarative fashion using a simple CSV based format. You can define the policies by using Developer Hub web interface or REST API, rather than editing the CSV directly.

To define authorizations in Developer Hub:

  1. The Developer Hub administrator enables and gives access to the RBAC feature.

  2. You define your roles and policies by combining the following methods:

    • The Developer Hub policy administrator uses the Developer Hub web interface or REST API.
    • The Developer Hub administrator edits the main Developer Hub configuration file.
    • The Developer Hub administrator edits external files.

Chapter 1. Enabling and giving access to the Role-Based Access Control (RBAC) feature

The Role-Based Access Control (RBAC) feature is disabled by default. Enable the RBAC plugin and declare policy administrators to start using RBAC features.

The permission policies for users and groups in the Developer Hub are managed by permission policy administrators. Only permission policy administrators can access the Role-Based Access Control REST API.

Prerequisites

Procedure

  1. The RBAC plugin is installed but disabled by default. To enable the ./dynamic-plugins/dist/janus-idp-backstage-plugin-rbac plugin, edit your dynamic-plugins.yaml with the following content.

    dynamic-plugins.yaml fragment

    plugins:
  - package: ./dynamic-plugins/dist/janus-idp-backstage-plugin-rbac
    disabled: false

    See Installing and viewing dynamic plugins.

  2. Declare policy administrators to enable a select number of authenticated users to configure RBAC policies through the REST API or Web UI, instead of modifying the CSV file directly. The permissions can be specified in a separate CSV file referenced in the app-config-rhdh ConfigMap, or permissions can be created using the REST API or Web UI.

    To declare users such as <your_policy_administrator_name> as policy administrators, edit your custom Developer Hub ConfigMap, such as app-config-rhdh, and add following code to the app-config.yaml content:

    app-config.yaml fragment

    permission:
  enabled: true
  rbac:
    admin:
      users:
        - name: user:default/<your_policy_administrator_name>

Verification

  1. Sign out from the existing Red Hat Developer Hub session and log in again using the declared policy administrator account.

  2. With RBAC enabled, most features are disabled by default.

    1. Navigate to the Catalog page in RHDH. The Create button is not visible. You cannot create new components.
    2. Navigate to the API page. The Register button is not visible.

Next steps

  • Explicitly enable permissions to resources in Developer Hub.

Chapter 2. Determining permission policy and role configuration source

You can configure Red Hat Developer Hub policy and roles by using different sources. To maintain data consistency, Developer Hub associates each permission policy and role with one unique source. You can only use this source to change the resource.

The available sources are:

Configuration file

Configure roles and policies in the Developer Hub app-config.yaml configuration file, for instance to declare your policy administrators.

The Configuration file pertains to the default role:default/rbac_admin role provided by the RBAC plugin. The default role has limited permissions to create, read, update, delete permission policies or roles, and to read catalog entities.

Note

In case the default permissions are insufficient for your administrative requirements, you can create a custom admin role with the required permission policies.

REST API
Configure roles and policies by using the Developer Hub Web UI or by using the REST API.
CSV file
Configure roles and policies by using external CSV files.
Legacy

The legacy source applies to policies and roles defined before RBAC backend plugin version 2.1.3, and is the least restrictive among the source location options.

Important

Replace the permissions and roles using the legacy source with the permissions using the REST API or the CSV file sources.

Procedure

  • To determine the source of a role or policy, use a GET request.

Chapter 3. Managing role-based access controls (RBAC) using the Red Hat Developer Hub Web UI

Policy administrators can use the Developer Hub web interface (Web UI) to allocate specific roles and permissions to individual users or groups. Allocating roles ensures that access to resources and functionalities is regulated across the Developer Hub.

With the policy administrator role in Developer Hub, you can assign permissions to users and groups. This role allows you to view, create, modify, and delete the roles using Developer Hub Web UI.

3.1. Creating a role in the Red Hat Developer Hub Web UI

You can create a role in the Red Hat Developer Hub using the Web UI.

Prerequisites

Procedure

  1. Go to Administration at the bottom of the sidebar in the Developer Hub.

    The RBAC tab appears, displaying all the created roles in the Developer Hub.

  2. (Optional) Click any role to view the role information on the OVERVIEW page.
  3. Click CREATE to create a role.
  4. Enter the name and description of the role in the given fields and click NEXT.
  5. Add users and groups using the search field, and click NEXT.
  6. Select Plugin and Permission from the drop-downs in the Add permission policies section.
  7. Select or clear the Policy that you want to set in the Add permission policies section, and click NEXT.
  8. Review the added information in the Review and create section.
  9. Click CREATE.

Verification

The created role appears in the list available in the RBAC tab.

3.2. Editing a role in the Red Hat Developer Hub Web UI

You can edit a role in the Red Hat Developer Hub using the Web UI.

Note

The policies generated from a policy.csv or ConfigMap file cannot be edited or deleted using the Developer Hub Web UI.

Prerequisites

Procedure

  1. Go to Administration at the bottom of the sidebar in the Developer Hub.

    The RBAC tab appears, displaying all the created roles in the Developer Hub.

  2. (Optional) Click any role to view the role information on the OVERVIEW page.
  3. Select the edit icon for the role that you want to edit.
  4. Edit the details of the role, such as name, description, users and groups, and permission policies, and click NEXT.
  5. Review the edited details of the role and click SAVE.

After editing a role, you can view the edited details of a role on the OVERVIEW page of a role. You can also edit a role’s users and groups or permissions by using the edit icon on the respective cards on the OVERVIEW page.

3.3. Deleting a role in the Red Hat Developer Hub Web UI

You can delete a role in the Red Hat Developer Hub using the Web UI.

Note

The policies generated from a policy.csv or ConfigMap file cannot be edited or deleted using the Developer Hub Web UI.

Prerequisites

Procedure

  1. Go to Administration at the bottom of the sidebar in the Developer Hub.

    The RBAC tab appears, displaying all the created roles in the Developer Hub.

  2. (Optional) Click any role to view the role information on the OVERVIEW page.

  3. Select the delete icon from the Actions column for the role that you want to delete.

    Delete this role? pop-up appears on the screen.

  4. Click DELETE.

Chapter 4. Managing authorizations by using the REST API

To automate the maintenance of Red Hat Developer Hub permission policies and roles, you can use Developer Hub role-based access control (RBAC) REST API.

You can perform the following actions with the REST API:

  • Retrieve information about:

    • All permission policies
    • Specific permission policies
    • Specific roles
    • Static plugins permission policies

  • Create, update, or delete:

    • Permission policy
    • Role

4.1. Sending requests to the RBAC REST API by using the curl utility

You can send RBAC REST API requests by using the curl utility.

Prerequisites

Procedure

  1. Find your Bearer token to authenticate to the REST API.

    1. In your browser, open the web console Network tab.
    2. In the main screen, reload the Developer Hub Homepage.
    3. In the web console Network tab, search for the query?term= network call.
    4. Save the token in the response JSON for the next steps.

  2. In a terminal, run the curl command and review the response:

    GET or DELETE request

    curl -v \
  -H "Authorization: Bearer <token>" \
  -X <method> "https://<my_developer_hub_url>/<endpoint>" \

    POST or PUT request requiring JSON body data

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer <token>" \
  -X POST "https://<my_developer_hub_url>/<endpoint>" \
  -d <body>

    <token>
    Enter your saved authorization token.
    <method>

    Enter the HTTP method for your API endpoint.

    • GET: To retrieve specified information from a specified resource endpoint.
    • POST: To create or update a resource.
    • PUT: To update a resource.
    • DELETE: To delete a resource.
    https://<my_developer_hub_url>
    Enter your Developer Hub URL.
    <endpoint>
    Enter the API endpoint to which you want to send a request, such as /api/permission/policies.
    <body>
    Enter the JSON body with data that your API endpoint might need with the HTTP POST or PUT request.

    Example request to create a role

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer <token>" \
  -X POST "https://<my_developer_hub_url>/api/permission/roles" \
  -d '{
      "memberReferences": ["group:default/example"],
      "name": "role:default/test",
      "metadata": { "description": "This is a test role" }
    }'

    Example request to update a role

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer <token>" \
  -X PUT "https://<my_developer_hub_url>/api/permission/roles/role/default/test" \
  -d '{
          "oldRole": {
            "memberReferences":  [ "group:default/example" ],
            "name": "role:default/test"
          },
          "newRole": {
            "memberReferences": [ "group:default/example", "user:default/test" ],
            "name": "role:default/test"
          }
        }'

    Example request to create a permission policy

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer $token" \
  -X POST "https://<my_developer_hub_url>/api/permission/policies" \
  -d '[{
      "entityReference":"role:default/test",
      "permission": "catalog-entity",
      "policy": "read", "effect":"allow"
    }]'

    Example request to update a permission policy

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer $token" \
  -X PUT "https://<my_developer_hub_url>/api/permission/policies/role/default/test" \
  -d '{
         "oldPolicy": [
           {
             "permission": "catalog-entity", "policy": "read", "effect": "allow"
           }
         ],
         "newPolicy":
           [
             {
               "permission": "policy-entity", "policy": "read", "effect": "allow"
             }
           ]
       }'

    Example request to create a condition

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer $token" \
  -X POST "https://<my_developer_hub_url>/api/permission/roles/conditions" \
  -d '{
      "result": "CONDITIONAL",
      "roleEntityRef": "role:default/test",
      "pluginId": "catalog",
      "resourceType": "catalog-entity",
      "permissionMapping": ["read"],
      "conditions": {
        "rule": "IS_ENTITY_OWNER",
        "resourceType": "catalog-entity",
        "params": {"claims": ["group:default/janus-authors"]}
      }
    }'

    Example request to update a condition

    curl -v -H "Content-Type: application/json" \
  -H "Authorization: Bearer $token" \
  -X PUT "https://<my_developer_hub_url>/api/permission/roles/conditions/1" \
  -d '{
          "result":"CONDITIONAL",
          "roleEntityRef":"role:default/test",
          "pluginId":"catalog",
          "resourceType":"catalog-entity",
          "permissionMapping": ["read",  "update", "delete"],
          "conditions": {
            "rule": "IS_ENTITY_OWNER",
            "resourceType": "catalog-entity",
            "params": {"claims": ["group:default/janus-authors"]}
          }
       }'

Verification

  • Review the returned HTTP status code:

    200 OK
    The request was successful.
    201 Created
    The request resulted in a new resource being successfully created.
    204 No Content
    The request was successful, and the response payload has no more content.
    400 Bad Request
    Input error with the request.
    401 Unauthorized
    Lacks valid authentication for the requested resource.
    403 Forbidden
    Refusal to authorize request.
    404 Not Found
    Could not find requested resource.
    409 Conflict
    Request conflict with the current state and the target resource.

4.2. Sending requests to the RBAC REST API by using a REST client

You can send RBAC REST API requests using any REST client.

Prerequisites

Procedure

  1. Find your Bearer token to authenticate to the REST API.

    1. In your browser, open the web console Network tab.
    2. In the main screen, reload the Developer Hub Homepage.
    3. In the web console Network tab, search for the query?term= network call.
    4. Save the token in the response JSON for the next steps.

  2. In your REST client, run a command with the following parameters and review the response:

    Authorization
    Enter your saved authorization token.
    HTTP method

    Enter the HTTP method for your API endpoint.

    • GET: To retrieve specified information from a specified resource endpoint.
    • POST: To create or update a resource.
    • PUT: To update a resource.
    • DELETE: To delete a resource.
    URL
    Enter your Developer Hub URL and API endpoint: https://<my_developer_hub_url>/<endpoint>, such as https://<my_developer_hub_url>/api/permission/policies.
    Body
    Enter the JSON body with data that your API endpoint might need with the HTTP POST request.

4.3. Supported RBAC REST API endpoints

The RBAC REST API provides endpoints for managing roles, permissions, and conditional policies in the Developer Hub and for retrieving information about the roles and policies.

4.3.1. Roles

The RBAC REST API supports the following endpoints for managing roles in the Red Hat Developer Hub.

[GET] /api/permission/roles

Returns all roles in Developer Hub.

Example response (JSON)

[
  {
    "memberReferences": ["user:default/username"],
    "name": "role:default/guests"
  },
  {
    "memberReferences": [
      "group:default/groupname",
      "user:default/username"
    ],
    "name": "role:default/rbac_admin"
  }
]

[GET] /api/permission/roles/<kind>/<namespace>/<name>

Returns information for a single role in Developer Hub.

Example response (JSON)

[
  {
    "memberReferences": [
      "group:default/groupname",
      "user:default/username"
    ],
    "name": "role:default/rbac_admin"
  }
]

[POST] /api/permission/roles/<kind>/<namespace>/<name>

Creates a role in Developer Hub.

Table 4.1. Request parameters
NameDescriptionTypePresence

body

The memberReferences, group, namespace, and name the new role to be created.

Request body

Required

Example request body (JSON)

{
  "memberReferences": ["group:default/test"],
  "name": "role:default/test_admin"
}

Example response

201 Created

[PUT] /api/permission/roles/<kind>/<namespace>/<name>

Updates memberReferences, kind, namespace, or name for a role in Developer Hub.

Request parameters

The request body contains the oldRole and newRole objects:

NameDescriptionTypePresence

body

The memberReferences, group, namespace, and name the new role to be created.

Request body

Required

Example request body (JSON)

{
  "oldRole": {
    "memberReferences": ["group:default/test"],
    "name": "role:default/test_admin"
  },
  "newRole": {
    "memberReferences": ["group:default/test", "user:default/test2"],
    "name": "role:default/test_admin"
  }
}

Example response

200 OK

[DELETE] /api/permission/roles/<kind>/<namespace>/<name>?memberReferences=<VALUE>

Deletes the specified user or group from a role in Developer Hub.

Table 4.2. Request parameters
NameDescriptionTypePresence

kind

Kind of the entity

String

Required

namespace

Namespace of the entity

String

Required

name

Name of the entity

String

Required

memberReferences

Associated group information

String

Required

Example response

204

[DELETE] /api/permission/roles/<kind>/<namespace>/<name>

Deletes a specified role from Developer Hub.

Table 4.3. Request parameters
NameDescriptionTypePresence

kind

Kind of the entity

String

Required

namespace

Namespace of the entity

String

Required

name

Name of the entity

String

Required

Example response

204

4.3.2. Permission policies

The RBAC REST API supports the following endpoints for managing permission policies in the Red Hat Developer Hub.

[GET] /api/permission/policies

Returns permission policies list for all users.

Example response (JSON)

[
  {
    "entityReference": "role:default/test",
    "permission": "catalog-entity",
    "policy": "read",
    "effect": "allow",
    "metadata": {
      "source": "csv-file"
    }
  },
  {
    "entityReference": "role:default/test",
    "permission": "catalog.entity.create",
    "policy": "use",
    "effect": "allow",
    "metadata": {
      "source": "csv-file"
    }
  },
]

[GET] /api/permission/policies/<kind>/<namespace>/<name>

Returns permission policies related to the specified entity reference.

Table 4.4. Request parameters
NameDescriptionTypePresence

kind

Kind of the entity

String

Required

namespace

Namespace of the entity

String

Required

name

Name related to the entity

String

Required

Example response (JSON)

[
  {
    "entityReference": "role:default/test",
    "permission": "catalog-entity",
    "policy": "read",
    "effect": "allow",
    "metadata": {
      "source": "csv-file"
    }
  },
  {
    "entityReference": "role:default/test",
    "permission": "catalog.entity.create",
    "policy": "use",
    "effect": "allow",
    "metadata": {
      "source": "csv-file"
    }
  }
]

[POST] /api/permission/policies

Creates a permission policy for a specified entity.

Table 4.5. Request parameters
NameDescriptionTypePresence

entityReference

Reference values of an entity including kind, namespace, and name

String

Required

permission

Permission from a specific plugin, resource type, or name

String

Required

policy

Policy action for the permission, such as create, read, update, delete, or use

String

Required

effect

Indication of allowing or not allowing the policy

String

Required

Example request body (JSON)

[
  {
    "entityReference": "role:default/test",
    "permission": "catalog-entity",
    "policy": "read",
    "effect": "allow"
  }
]

Example response

201 Created

[PUT] /api/permission/policies/<kind>/<namespace>/<name>

Updates a permission policy for a specified entity.

Request parameters

The request body contains the oldPolicy and newPolicy objects:

NameDescriptionTypePresence

permission

Permission from a specific plugin, resource type, or name

String

Required

policy

Policy action for the permission, such as create, read, update, delete, or use

String

Required

effect

Indication of allowing or not allowing the policy

String

Required

Example request body (JSON)

{
  "oldPolicy": [
    {
      "permission": "catalog-entity",
      "policy": "read",
      "effect": "allow"
    },
    {
      "permission": "catalog.entity.create",
      "policy": "create",
      "effect": "allow"
    }
  ],
  "newPolicy": [
    {
      "permission": "catalog-entity",
      "policy": "read",
      "effect": "deny"
    },
    {
      "permission": "policy-entity",
      "policy": "read",
      "effect": "allow"
    }
  ]
}

Example response

200

[DELETE] /api/permission/policies/<kind>/<namespace>/<name>?permission={value1}&policy={value2}&effect={value3}

Deletes a permission policy added to the specified entity.

Table 4.6. Request parameters
NameDescriptionTypePresence

kind

Kind of the entity

String

Required

namespace

Namespace of the entity

String

Required

name

Name related to the entity

String

Required

permission

Permission from a specific plugin, resource type, or name

String

Required

policy

Policy action for the permission, such as create, read, update, delete, or use

String

Required

effect

Indication of allowing or not allowing the policy

String

Required

Example response

204 No Content

[DELETE] /api/permission/policies/<kind>/<namespace>/<name>

Deletes all permission policies added to the specified entity.

Table 4.7. Request parameters
NameDescriptionTypePresence

kind

Kind of the entity

String

Required

namespace

Namespace of the entity

String

Required

name

Name related to the entity

String

Required

Example response

204 No Content

[GET] /api/permission/plugins/policies

Returns permission policies for all static plugins.

Example response (JSON)

[
  {
    "pluginId": "catalog",
    "policies": [
      {
        "isResourced": true,
        "permission": "catalog-entity",
        "policy": "read"
      },
      {
        "isResourced": false,
        "permission": "catalog.entity.create",
        "policy": "create"
      },
      {
        "isResourced": true,
        "permission": "catalog-entity",
        "policy": "delete"
      },
      {
        "isResourced": true,
        "permission": "catalog-entity",
        "policy": "update"
      },
      {
        "isResourced": false,
        "permission": "catalog.location.read",
        "policy": "read"
      },
      {
        "isResourced": false,
        "permission": "catalog.location.create",
        "policy": "create"
      },
      {
        "isResourced": false,
        "permission": "catalog.location.delete",
        "policy": "delete"
      }
    ]
  },
  ...
]

4.3.3. Conditional policies

The RBAC REST API supports the following endpoints for managing conditional policies in the Red Hat Developer Hub.

[GET] /api/permission/plugins/condition-rules

Returns available conditional rule parameter schemas for the available plugins that are enabled in Developer Hub.

Example response (JSON)

[
   {
      "pluginId": "catalog",
      "rules": [
         {
            "name": "HAS_ANNOTATION",
            "description": "Allow entities with the specified annotation",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "annotation": {
                     "type": "string",
                     "description": "Name of the annotation to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the annotation to match on"
                  }
               },
               "required": [
                  "annotation"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_LABEL",
            "description": "Allow entities with the specified label",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "label": {
                     "type": "string",
                     "description": "Name of the label to match on"
                  }
               },
               "required": [
                  "label"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_METADATA",
            "description": "Allow entities with the specified metadata subfield",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "key": {
                     "type": "string",
                     "description": "Property within the entities metadata to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the given property to match on"
                  }
               },
               "required": [
                  "key"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_SPEC",
            "description": "Allow entities with the specified spec subfield",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "key": {
                     "type": "string",
                     "description": "Property within the entities spec to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the given property to match on"
                  }
               },
               "required": [
                  "key"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "IS_ENTITY_KIND",
            "description": "Allow entities matching a specified kind",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "kinds": {
                     "type": "array",
                     "items": {
                        "type": "string"
                     },
                     "description": "List of kinds to match at least one of"
                  }
               },
               "required": [
                  "kinds"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "IS_ENTITY_OWNER",
            "description": "Allow entities owned by a specified claim",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "claims": {
                     "type": "array",
                     "items": {
                        "type": "string"
                     },
                     "description": "List of claims to match at least one on within ownedBy"
                  }
               },
               "required": [
                  "claims"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         }
      ]
   }
   ... <another plugin condition parameter schemas>
]

[GET] /api/permission/roles/conditions/:id

Returns conditions for the specified ID.

Example response (JSON)

{
  "id": 1,
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/test",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["read"],
  "conditions": {
    "anyOf": [
      {
        "rule": "IS_ENTITY_OWNER",
        "resourceType": "catalog-entity",
        "params": {
          "claims": ["group:default/team-a"]
        }
      },
      {
        "rule": "IS_ENTITY_KIND",
        "resourceType": "catalog-entity",
        "params": {
          "kinds": ["Group"]
        }
      }
    ]
  }
}

[GET] /api/permission/roles/conditions

Returns list of all conditions for all roles.

Example response (JSON)

[
  {
    "id": 1,
    "result": "CONDITIONAL",
    "roleEntityRef": "role:default/test",
    "pluginId": "catalog",
    "resourceType": "catalog-entity",
    "permissionMapping": ["read"],
    "conditions": {
      "anyOf": [
        {
          "rule": "IS_ENTITY_OWNER",
          "resourceType": "catalog-entity",
          "params": {
            "claims": ["group:default/team-a"]
          }
        },
        {
          "rule": "IS_ENTITY_KIND",
          "resourceType": "catalog-entity",
          "params": {
            "kinds": ["Group"]
          }
        }
      ]
    }
  }
]

[POST] /api/permission/roles/conditions

Creates a conditional policy for the specified role.

Table 4.8. Request parameters
NameDescriptionTypePresence

result

Always has the value CONDITIONAL

String

Required

roleEntityRef

String entity reference to the RBAC role, such as role:default/dev

String

Required

pluginId

Corresponding plugin ID, such as catalog

String

Required

permissionMapping

Array permission action, such as ['read', 'update', 'delete']

String array

Required

resourceType

Resource type provided by the plugin, such as catalog-entity

String

Required

conditions

Condition JSON with parameters or array parameters joined by criteria

JSON

Required

name

Name of the role

String

Required

metadata.description

The description of the role

String

Optional

Example request body (JSON)

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/test",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["read"],
  "conditions": {
    "rule": "IS_ENTITY_OWNER",
    "resourceType": "catalog-entity",
    "params": {
      "claims": ["group:default/team-a"]
    }
  }
}

Example response (JSON)

{
  "id": 1
}

[PUT] /permission/roles/conditions/:id

Updates a condition policy for a specified ID.

Table 4.9. Request parameters
NameDescriptionTypePresence

result

Always has the value CONDITIONAL

String

Required

roleEntityRef

String entity reference to the RBAC role, such as role:default/dev

String

Required

pluginId

Corresponding plugin ID, such as catalog

String

Required

permissionMapping

Array permission action, such as ['read', 'update', 'delete']

String array

Required

resourceType

Resource type provided by the plugin, such as catalog-entity

String

Required

conditions

Condition JSON with parameters or array parameters joined by criteria

JSON

Required

name

Name of the role

String

Required

metadata.description

The description of the role

String

Optional

Example request body (JSON)

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/test",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["read"],
  "conditions": {
    "anyOf": [
      {
        "rule": "IS_ENTITY_OWNER",
        "resourceType": "catalog-entity",
        "params": {
          "claims": ["group:default/team-a"]
        }
      },
      {
        "rule": "IS_ENTITY_KIND",
        "resourceType": "catalog-entity",
        "params": {
          "kinds": ["Group"]
        }
      }
    ]
  }
}

Example response

200

[DELETE] /api/permission/roles/conditions/:id

Deletes a conditional policy for the specified ID.

Example response

204

4.3.4. User statistics

The licensed-users-info-backend plugin exposes various REST API endpoints to retrieve data related to logged-in users.

No additional configuration is required for the licensed-users-info-backend plugin. If the RBAC backend plugin is enabled, then an administrator role must be assigned to access the endpoints, as the endpoints are protected by the policy.entity.read permission.

The base URL for user statistics endpoints is http://SERVER:PORT/api/licensed-users-info, such as http://localhost:7007/api/licensed-users-info.

[GET] /users/quantity

Returns the total number of logged-in users.

Example request

curl -X GET "http://localhost:7007/api/licensed-users-info/users/quantity" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $token"

Example response

{ "quantity": "2" }

[GET] /users

Returns a list of logged-in users with their details.

Example request

curl -X GET "http://localhost:7007/api/licensed-users-info/users" \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $token"

Example response

[
  {
    "userEntityRef": "user:default/dev",
    "lastTimeLogin": "Thu, 22 Aug 2024 16:27:41 GMT",
    "displayName": "John Leavy",
    "email": "dev@redhat.com"
  }
]

[GET] /users

Returns a list of logged-in users in CSV format.

Example request

curl -X GET "http://localhost:7007/api/licensed-users-info/users" \
-H "Content-Type: text/csv" \
-H "Authorization: Bearer $token"

Example response

userEntityRef,displayName,email,lastTimeLogin
user:default/dev,John Leavy,dev@redhat.com,"Thu, 22 Aug 2024 16:27:41 GMT"

Chapter 5. Managing authorizations by using external files

To automate Red Hat Developer Hub maintenance, you can configure permissions and roles in external files, before starting Developer Hub.

5.1. Defining authorizations in external files by using the operator

To automate Red Hat Developer Hub maintenance, you can define permissions and roles in external files, before starting Developer Hub. You need to prepare your files, upload them to your OpenShift Container Platform project, and configure Developer Hub to use the external files.

Prerequisites

Procedure

  1. Define your policies in a rbac-policies.csv CSV file by using the following format:

    1. Define role permissions: 

      p, <role_entity_reference>, <permission>, <action>, <allow_or_deny>
      <role_entity_reference>
      Role entity reference, such as: role:default/guest.
      <permission>

      Permission, such as: bulk.import, catalog.entity.read, or catalog.entity.refresh, or permission resource type, such as: bulk-import or catalog-entity.

      See: Permission policies reference.

      <action>
      Action type, such as: use, read, create, update, delete.
      <allow_or_deny>
      Access granted: allow or deny.

    2. Assign the role to a group or a user: 

      g, <group_or_user>, <role_entity_reference>
      <group_or_user>

      Group, such as: user:default/mygroup, or user, such as: user:default/myuser.

      Sample rbac-policies.csv

      p, role:default/guests, catalog-entity, read, allow
p, role:default/guests, catalog.entity.create, create, allow
g, user:default/my-user, role:default/guests
g, group:default/my-group, role:default/guests

  2. Define your conditional policies in a rbac-conditional-policies.yaml YAML file by using the following format: 

    result: CONDITIONAL
roleEntityRef: <role_entity_reference>
pluginId: <plugin_id>
permissionMapping:
  - read
  - update
  - delete
conditions: <conditions>

    See: Conditional policies reference.

  3. Upload your rbac-policies.csv and rbac-conditional-policies.yaml files to a rbac-policies config map in your OpenShift Container Platform project containing Developer Hub. 

    $ oc create configmap rbac-policies \
     --from-file=rbac-policies.csv \
     --from-file=rbac-conditional-policies.yaml

  4. Update your Developer Hub Backstage custom resource to mount in the Developer Hub filesystem your files from the rbac-policies config map:

    Backstage Custom resource fragment

    apiVersion: rhdh.redhat.com/v1alpha3
kind: Backstage
spec:
  application:
    extraFiles:
      mountPath: /opt/app-root/src
      configMaps:
        - name: rbac-policies

  5. Update your Developer Hub app-config.yaml configuration file to use the rbac-policies.csv and rbac-conditional-policies.yaml external files:

    app-config.yml fragment

    permission:
  enabled: true
  rbac:
    conditionalPoliciesFile: /opt/app-root/src/rbac-conditional-policies.yaml
    policies-csv-file: /opt/app-root/src/rbac-policies.csv
    policyFileReload: true

5.2. Defining authorizations in external files by using Helm

To automate Red Hat Developer Hub maintenance, you can define permissions and roles in external files, before starting Developer Hub. You need to prepare your files, upload them to your OpenShift Container Platform project, and configure Developer Hub to use the external files.

Prerequisites

Procedure

  1. Define your policies in a rbac-policies.csv CSV file by using the following format:

    1. Define role permissions: 

      p, <role_entity_reference>, <permission>, <action>, <allow_or_deny>
      <role_entity_reference>
      Role entity reference, such as: role:default/guest.
      <permission>

      Permission, such as: bulk.import, catalog.entity.read, or catalog.entity.refresh, or permission resource type, such as: bulk-import or catalog-entity.

      See: Permission policies reference.

      <action>
      Action type, such as: use, read, create, update, delete.
      <allow_or_deny>
      Access granted: allow or deny.

    2. Assign the role to a group or a user: 

      g, <group_or_user>, <role_entity_reference>
      <group_or_user>

      Group, such as: user:default/mygroup, or user, such as: user:default/myuser.

      Sample rbac-policies.csv

      p, role:default/guests, catalog-entity, read, allow
p, role:default/guests, catalog.entity.create, create, allow
g, user:default/my-user, role:default/guests
g, group:default/my-group, role:default/guests

  2. Define your conditional policies in a rbac-conditional-policies.yaml YAML file by using the following format: 

    result: CONDITIONAL
roleEntityRef: <role_entity_reference>
pluginId: <plugin_id>
permissionMapping:
  - read
  - update
  - delete
conditions: <conditions>

    See: Conditional policies reference.

  3. Upload your rbac-policies.csv and rbac-conditional-policies.yaml files to a rbac-policies config map in your OpenShift Container Platform project containing Developer Hub. 

    $ oc create configmap rbac-policies \
     --from-file=rbac-policies.csv \
     --from-file=rbac-conditional-policies.yaml

  4. Update your Developer Hub Backstage Helm chart to mount in the Developer Hub filesystem your files from the rbac-policies config map:

    1. In the Developer Hub Helm Chart, go to Root Schema → Backstage chart schema → Backstage parameters → Backstage container additional volume mounts.

    2. Select Add Backstage container additional volume mounts and add the following values:

      mountPath
      /opt/app-root/src
      Name
      rbac-policies

    3. Add the RBAC policy to the Backstage container additional volumes in the Developer Hub Helm Chart:

      name
      rbac-policies
      configMap
      defaultMode
      420
      name
      rbac-policies

  5. Update your Developer Hub app-config.yaml configuration file to use the rbac-policies.csv and rbac-conditional-policies.yaml external files:

    app-config.yml fragment

    permission:
  enabled: true
  rbac:
    conditionalPoliciesFile: /opt/app-root/src/rbac-conditional-policies.yaml
    policies-csv-file: /opt/app-root/src/rbac-policies.csv
    policyFileReload: true

Chapter 6. Permission policies reference

Permission policies in Red Hat Developer Hub are a set of rules to govern access to resources or functionalities. These policies state the authorization level that is granted to users based on their roles. The permission policies are implemented to maintain security and confidentiality within a given environment.

You can define the following types of permissions in Developer Hub:

  • resource type
  • basic

The distinction between the two permission types depends on whether a permission includes a defined resource type.

You can define the resource type permission using either the associated resource type or the permission name as shown in the following example:

Example resource type permission definition

p, role:default/myrole, catalog.entity.read, read, allow
g, user:default/myuser, role:default/myrole

p, role:default/another-role, catalog-entity, read, allow
g, user:default/another-user, role:default/another-role

You can define the basic permission in Developer Hub using the permission name as shown in the following example:

Example basic permission definition

p, role:default/myrole, catalog.entity.create, create, allow
g, user:default/myuser, role:default/myrole

Developer Hub supports following permission policies:

Catalog permissions
.Catalog permissions
NameResource typePolicyDescription

catalog.entity.read

catalog-entity

read

Allows a user or role to read from the catalog

catalog.entity.create

 

create

Allows a user or role to create catalog entities, including registering an existing component in the catalog

catalog.entity.refresh

catalog-entity

update

Allows a user or role to refresh a single or multiple entities from the catalog

catalog.entity.delete

catalog-entity

delete

Allows a user or role to delete a single or multiple entities from the catalog

catalog.location.read

 

read

Allows a user or role to read a single or multiple locations from the catalog

catalog.location.create

 

create

Allows a user or role to create locations within the catalog

catalog.location.delete

 

delete

Allows a user or role to delete locations from the catalog

Bulk import permission
.Bulk import permission
NameResource typePolicyDescription

bulk.import

bulk-import

use

Allows the user to access the bulk import endpoints, such as listing all repositories and organizations accessible by all GitHub integrations and managing the import requests

Scaffolder permissions
.Scaffolder permissions
NameResource typePolicyDescription

scaffolder.action.execute

scaffolder-action

use

Allows the execution of an action from a template

scaffolder.template.parameter.read

scaffolder-template

read

Allows a user or role to read a single or multiple one parameters from a template

scaffolder.template.step.read

scaffolder-template

read

Allows a user or role to read a single or multiple steps from a template

scaffolder.task.create

 

create

Allows a user or role to trigger software templates which create new scaffolder tasks

scaffolder.task.cancel

 

use

Allows a user or role to cancel currently running scaffolder tasks

scaffolder.task.read

 

read

Allows a user or role to read all scaffolder tasks and their associated events and logs

RBAC permissions
.RBAC permissions
NameResource typePolicyDescription

policy.entity.read

policy-entity

read

Allows a user or role to read permission policies and roles

policy.entity.create

policy-entity

create

Allows a user or role to create a single or multiple permission policies and roles

policy.entity.update

policy-entity

update

Allows a user or role to update a single or multiple permission policies and roles

policy.entity.delete

policy-entity

delete

Allows a user or role to delete a single or multiple permission policies and roles

Kubernetes permissions
.Kubernetes permissions
NameResource typePolicyDescription

kubernetes.proxy

 

use

Allows a user or role to access the proxy endpoint

OCM permissions
Basic OCM permissions only restrict access to the cluster view, but they do not prevent access to the Kubernetes clusters in the resource view. For more effective permissions, consider applying a conditional policy to restrict access to catalog entities that are of type kubernetes-cluster. Access restriction is dependent on the set of permissions granted to a role. For example, if the role had full permissions (read, update, and delete), then you must specify all its permissions in the permissionMapping field.

Example permissionMapping definition

result: CONDITIONAL
roleEntityRef: 'role:default/<YOUR_ROLE>'
pluginId: catalog
resourceType: catalog-entity
permissionMapping:
  - read
  - update
  - delete
conditions:
  not:
    rule: HAS_SPEC
    resourceType: catalog-entity
    params:
      key: type
      value: kubernetes-cluster

NameResource typePolicyDescription

ocm.entity.read

 

read

Allows a user or role to read from the OCM plugin

ocm.cluster.read

 

read

Allows a user or role to read the cluster information in the OCM plugin

Topology permissions
.Topology permissions
NameResource typePolicyDescription

topology.view.read

 

read

Allows a user or role to view the topology plugin

kubernetes.proxy

 

use

Allows a user or role to access the proxy endpoint, allowing the user or role to read pod logs and events within RHDH

Chapter 7. Conditional policies in Red Hat Developer Hub

The permission framework in Red Hat Developer Hub provides conditions, supported by the RBAC backend plugin (backstage-plugin-rbac-backend). The conditions work as content filters for the Developer Hub resources that are provided by the RBAC backend plugin.

The RBAC backend API stores conditions assigned to roles in the database. When you request to access the frontend resources, the RBAC backend API searches for the corresponding conditions and delegates them to the appropriate plugin using its plugin ID. If you are assigned to multiple roles with different conditions, then the RBAC backend merges the conditions using the anyOf criteria.

Conditional criteria

A condition in Developer Hub is a simple condition with a rule and parameters. However, a condition can also contain a parameter or an array of parameters combined by conditional criteria. The supported conditional criteria includes:

  • allOf: Ensures that all conditions within the array must be true for the combined condition to be satisfied.
  • anyOf: Ensures that at least one of the conditions within the array must be true for the combined condition to be satisfied.
  • not: Ensures that the condition within it must not be true for the combined condition to be satisfied.
Conditional object

The plugin specifies the parameters supported for conditions. You can access the conditional object schema from the RBAC API endpoint to understand how to construct a conditional JSON object, which is then used by the RBAC backend plugin API.

A conditional object contains the following parameters:

Table 7.1. Conditional object parameters
ParameterTypeDescription

result

String

Always has the value CONDITIONAL

roleEntityRef

String

String entity reference to the RBAC role, such as role:default/dev

pluginId

String

Corresponding plugin ID, such as catalog

permissionMapping

String array

Array permission actions, such as ['read', 'update', 'delete']

resourceType

String

Resource type provided by the plugin, such as catalog-entity

conditions

JSON

Condition JSON with parameters or array parameters joined by criteria

Conditional policy aliases

The RBAC backend plugin (backstage-plugin-rbac-backend) supports the use of aliases in conditional policy rule parameters. The conditional policy aliases are dynamically replaced with the corresponding values during policy evaluation. Each alias in conditional policy is prefixed with a $ sign indicating its special function.

The supported conditional aliases include:

  • $currentUser: This alias is replaced with the user entity reference for the user who requests access to the resource. For example, if user Tom from the default namespace requests access, $currentUser becomes user:default/tom.

Example conditional policy object with $currentUser alias

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/developer",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["delete"],
  "conditions": {
    "rule": "IS_ENTITY_OWNER",
    "resourceType": "catalog-entity",
    "params": {
      "claims": ["$currentUser"]
    }
  }
}

  • $ownerRefs: This alias is replaced with ownership references, usually as an array that includes the user entity reference and the user’s parent group entity reference. For example, for user Tom from team-a, $ownerRefs becomes ['user:default/tom', 'group:default/team-a'].

Example conditional policy object with $ownerRefs alias

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/developer",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["delete"],
  "conditions": {
    "rule": "IS_ENTITY_OWNER",
    "resourceType": "catalog-entity",
    "params": {
      "claims": ["$ownerRefs"]
    }
  }
}

7.1. Conditional policies reference

You can access API endpoints for conditional policies in Red Hat Developer Hub. For example, to retrieve the available conditional rules, which can help you define these policies, you can access the GET [api/plugins/condition-rules] endpoint.

The api/plugins/condition-rules returns the condition parameters schemas, for example: 

[
   {
      "pluginId": "catalog",
      "rules": [
         {
            "name": "HAS_ANNOTATION",
            "description": "Allow entities with the specified annotation",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "annotation": {
                     "type": "string",
                     "description": "Name of the annotation to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the annotation to match on"
                  }
               },
               "required": [
                  "annotation"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_LABEL",
            "description": "Allow entities with the specified label",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "label": {
                     "type": "string",
                     "description": "Name of the label to match on"
                  }
               },
               "required": [
                  "label"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_METADATA",
            "description": "Allow entities with the specified metadata subfield",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "key": {
                     "type": "string",
                     "description": "Property within the entities metadata to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the given property to match on"
                  }
               },
               "required": [
                  "key"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "HAS_SPEC",
            "description": "Allow entities with the specified spec subfield",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "key": {
                     "type": "string",
                     "description": "Property within the entities spec to match on"
                  },
                  "value": {
                     "type": "string",
                     "description": "Value of the given property to match on"
                  }
               },
               "required": [
                  "key"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "IS_ENTITY_KIND",
            "description": "Allow entities matching a specified kind",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "kinds": {
                     "type": "array",
                     "items": {
                        "type": "string"
                     },
                     "description": "List of kinds to match at least one of"
                  }
               },
               "required": [
                  "kinds"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         },
         {
            "name": "IS_ENTITY_OWNER",
            "description": "Allow entities owned by a specified claim",
            "resourceType": "catalog-entity",
            "paramsSchema": {
               "type": "object",
               "properties": {
                  "claims": {
                     "type": "array",
                     "items": {
                        "type": "string"
                     },
                     "description": "List of claims to match at least one on within ownedBy"
                  }
               },
               "required": [
                  "claims"
               ],
               "additionalProperties": false,
               "$schema": "http://json-schema.org/draft-07/schema#"
            }
         }
      ]
   }
   ... <another plugin condition parameter schemas>
]

The RBAC backend API constructs a condition JSON object based on the previous condition schema.

7.1.1. Examples of conditional policies

In Red Hat Developer Hub, you can define conditional policies with or without criteria. You can use the following examples to define the conditions based on your use case:

A condition without criteria

Consider a condition without criteria displaying catalogs only if user is a member of the owner group. To add this condition, you can use the catalog plugin schema IS_ENTITY_OWNER as follows:

Example condition without criteria

{
  "rule": "IS_ENTITY_OWNER",
  "resourceType": "catalog-entity",
  "params": {
    "claims": ["group:default/team-a"]
  }
}

In the previous example, the only conditional parameter used is claims, which contains a list of user or group entity references.

You can apply the previous example condition to the RBAC REST API by adding additional parameters as follows: 

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/test",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["read"],
  "conditions": {
    "rule": "IS_ENTITY_OWNER",
    "resourceType": "catalog-entity",
    "params": {
      "claims": ["group:default/team-a"]
    }
  }
}
A condition with criteria

Consider a condition with criteria, which displays catalogs only if user is a member of owner group OR displays list of all catalog user groups.

To add the criteria, you can add another rule as IS_ENTITY_KIND in the condition as follows:

Example condition with criteria

{
  "anyOf": [
    {
      "rule": "IS_ENTITY_OWNER",
      "resourceType": "catalog-entity",
      "params": {
        "claims": ["group:default/team-a"]
      }
    },
    {
      "rule": "IS_ENTITY_KIND",
      "resourceType": "catalog-entity",
      "params": {
        "kinds": ["Group"]
      }
    }
  ]
}

Note

Running conditions in parallel during creation is not supported. Therefore, consider defining nested conditional policies based on the available criteria.

Example of nested conditions

{
  "anyOf": [
    {
      "rule": "IS_ENTITY_OWNER",
      "resourceType": "catalog-entity",
      "params": {
        "claims": ["group:default/team-a"]
      }
    },
    {
      "rule": "IS_ENTITY_KIND",
      "resourceType": "catalog-entity",
      "params": {
        "kinds": ["Group"]
      }
    }
  ],
  "not": {
    "rule": "IS_ENTITY_KIND",
    "resourceType": "catalog-entity",
    "params": { "kinds": ["Api"] }
  }
}

You can apply the previous example condition to the RBAC REST API by adding additional parameters as follows: 

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/test",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["read"],
  "conditions": {
    "anyOf": [
      {
        "rule": "IS_ENTITY_OWNER",
        "resourceType": "catalog-entity",
        "params": {
          "claims": ["group:default/team-a"]
        }
      },
      {
        "rule": "IS_ENTITY_KIND",
        "resourceType": "catalog-entity",
        "params": {
          "kinds": ["Group"]
        }
      }
    ]
  }
}

The following examples can be used with Developer Hub plugins. These examples can help you determine how to define conditional policies:

Conditional policy defined for Keycloak plugin

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/developer",
  "pluginId": "catalog",
  "resourceType": "catalog-entity",
  "permissionMapping": ["update", "delete"],
  "conditions": {
    "not": {
      "rule": "HAS_ANNOTATION",
      "resourceType": "catalog-entity",
      "params": { "annotation": "keycloak.org/realm", "value": "<YOUR_REALM>" }
    }
  }
}

The previous example of Keycloak plugin prevents users in the role:default/developer from updating or deleting users that are ingested into the catalog from the Keycloak plugin.

Note

In the previous example, the annotation keycloak.org/realm requires the value of <YOUR_REALM>.

Conditional policy defined for Quay plugin

{
  "result": "CONDITIONAL",
  "roleEntityRef": "role:default/developer",
  "pluginId": "scaffolder",
  "resourceType": "scaffolder-action",
  "permissionMapping": ["use"],
  "conditions": {
    "not": {
      "rule": "HAS_ACTION_ID",
      "resourceType": "scaffolder-action",
      "params": { "actionId": "quay:create-repository" }
    }
  }
}

The previous example of Quay plugin prevents the role role:default/developer from using the Quay scaffolder action. Note that permissionMapping contains use, signifying that scaffolder-action resource type permission does not have a permission policy.

For more information about permissions in Red Hat Developer Hub, see Chapter 6, Permission policies reference.

Chapter 8. User statistics in Red Hat Developer Hub

In Red Hat Developer Hub, the licensed-users-info-backend plugin provides statistical information about the logged-in users using the Web UI or REST API endpoints.

The licensed-users-info-backend plugin enables administrators to monitor the number of active users on Developer Hub. Using this feature, organizations can compare their actual usage with the number of licenses they have purchased. Additionally, you can share the user metrics with Red Hat for transparency and accurate licensing.

The licensed-users-info-backend plugin is enabled by default. This plugin enables a Download User List link at the bottom of the Administration → RBAC tab.

8.1. Downloading active users list in Red Hat Developer Hub

You can download the list of users in CSV format using the Developer Hub web interface.

Prerequisites

  • RBAC plugins (@janus-idp/backstage-plugin-rbac and @janus-idp/backstage-plugin-rbac-backend) must be enabled in Red Hat Developer Hub.
  • An administrator role must be assigned.

Procedure

  1. In Red Hat Developer Hub, navigate to Administration and select the RBAC tab.
  2. At the bottom of the RBAC page, click Download User List.
  3. Optional: Modify the file name in the Save as field and click Save.
  4. To access the downloaded users list, go to the Downloads folder on your local machine and open the CSV file.

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