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default API Access Control Security 90

API

The security plugin REST API lets you programmatically create and manage users, roles, role mappings, action groups, and tenants.

Table of contents

  1. TOC {:toc}

Access control for the API

Just like OpenSearch permissions, you control access to the security plugin REST API using roles. Specify roles in opensearch.yml:

opensearch_security.restapi.roles_enabled: ["<role>", ...]

These roles can now access all APIs. To prevent access to certain APIs:

opensearch_security.restapi.endpoints_disabled.<role>.<endpoint>: ["<method>", ...]

Possible values for endpoint are:

  • ACTIONGROUPS
  • ROLES
  • ROLESMAPPING
  • INTERNALUSERS
  • CONFIG
  • CACHE
  • LICENSE
  • SYSTEMINFO

Possible values for method are:

  • GET
  • PUT
  • POST
  • DELETE
  • PATCH

For example, the following configuration grants three roles access to the REST API, but then prevents test-role from making PUT, POST, DELETE, or PATCH requests to _opensearch/_security/api/roles or _opensearch/_security/api/internalusers:

opensearch_security.restapi.roles_enabled: ["all_access", "security_rest_api_access", "test-role"]
opensearch_security.restapi.endpoints_disabled.test-role.ROLES: ["PUT", "POST", "DELETE", "PATCH"]
opensearch_security.restapi.endpoints_disabled.test-role.INTERNALUSERS: ["PUT", "POST", "DELETE", "PATCH"]

To use the PUT and PATCH methods for the configuration APIs, add the following line to opensearch.yml:

opensearch_security.unsupported.restapi.allow_securityconfig_modification: true

Reserved and hidden resources

You can mark users, role, role mappings, and action groups as reserved. Resources that have this flag set to true can't be changed using the REST API or OpenSearch Dashboards.

To mark a resource as reserved, add the following flag:

opensearch_dashboards_user:
  reserved: true

Likewise, you can mark users, role, role mappings, and action groups as hidden. Resources that have this flag set to true are not returned by the REST API and not visible in OpenSearch Dashboards:

opensearch_dashboards_user:
  hidden: true

Hidden resources are automatically reserved.

To add or remove these flags, you need to modify plugins/opensearch-security/securityconfig/internal_users.yml and run plugins/opensearch-security/tools/securityadmin.sh.

Account

Get account details

Returns account details for the current user. For example, if you sign the request as the admin user, the response includes details for that user.

Request

GET _opensearch/_security/api/account

Sample response

{
  "user_name": "admin",
  "is_reserved": true,
  "is_hidden": false,
  "is_internal_user": true,
  "user_requested_tenant": null,
  "backend_roles": [
    "admin"
  ],
  "custom_attribute_names": [],
  "tenants": {
    "global_tenant": true,
    "admin_tenant": true,
    "admin": true
  },
  "roles": [
    "all_access",
    "own_index"
  ]
}

Change password

Changes the password for the current user.

Request

PUT _opensearch/_security/api/account
{
    "current_password" : "old-password",
    "password" : "new-password"
}

Sample response

{
  "status": "OK",
  "message": "'test-user' updated."
}

Action groups

Get action group

Retrieves one action group.

Request

GET _opensearch/_security/api/actiongroups/<action-group>

Sample response

{
  "custom_action_group": {
    "reserved": false,
    "hidden": false,
    "allowed_actions": [
      "opensearch_dashboards_all_read",
      "indices:admin/aliases/get",
      "indices:admin/aliases/exists"
    ],
    "description": "My custom action group",
    "static": false
  }
}

Get action groups

Retrieves all action groups.

Request

GET _opensearch/_security/api/actiongroups/

Sample response

{
  "read": {
    "reserved": true,
    "hidden": false,
    "allowed_actions": [
      "indices:data/read*",
      "indices:admin/mappings/fields/get*"
    ],
    "type": "index",
    "description": "Allow all read operations",
    "static": true
  },
  ...
}

Delete action group

Request

DELETE _opensearch/_security/api/actiongroups/<action-group>

Sample response

{
  "status":"OK",
  "message":"actiongroup SEARCH deleted."
}

Create action group

Creates or replaces the specified action group.

Request

PUT _opensearch/_security/api/actiongroups/<action-group>
{
  "allowed_actions": [
    "indices:data/write/index*",
    "indices:data/write/update*",
    "indices:admin/mapping/put",
    "indices:data/write/bulk*",
    "read",
    "write"
  ]
}

Sample response

{
  "status": "CREATED",
  "message": "'my-action-group' created."
}

Patch action group

Updates individual attributes of an action group.

Request

PATCH _opensearch/_security/api/actiongroups/<action-group>
[
  {
    "op": "replace", "path": "/allowed_actions", "value": ["indices:admin/create", "indices:admin/mapping/put"]
  }
]

Sample response

{
  "status":"OK",
  "message":"actiongroup SEARCH deleted."
}

Patch action groups

Creates, updates, or deletes multiple action groups in a single call.

Request

PATCH _opensearch/_security/api/actiongroups
[
  {
    "op": "add", "path": "/CREATE_INDEX", "value": { "allowed_actions": ["indices:admin/create", "indices:admin/mapping/put"] }
  },
  {
    "op": "remove", "path": "/CRUD"
  }
]

Sample response

{
  "status":"OK",
  "message":"actiongroup SEARCH deleted."
}

Users

These calls let you create, update, and delete internal users. If you use an external authentication backend, you probably don't need to worry about internal users.

Get user

Request

GET _opensearch/_security/api/internalusers/<username>

Sample response

{
  "kirk": {
    "hash": "",
    "roles": [ "captains", "starfleet" ],
    "attributes": {
       "attribute1": "value1",
       "attribute2": "value2",
    }
  }
}

Get users

Request

GET _opensearch/_security/api/internalusers/

Sample response

{
  "kirk": {
    "hash": "",
    "roles": [ "captains", "starfleet" ],
    "attributes": {
       "attribute1": "value1",
       "attribute2": "value2",
    }
  }
}

Delete user

Request

DELETE _opensearch/_security/api/internalusers/<username>

Sample response

{
  "status":"OK",
  "message":"user kirk deleted."
}

Create user

Creates or replaces the specified user. You must specify either password (plain text) or hash (the hashed user password). If you specify password, the security plugin automatically hashes the password before storing it.

Note that any role you supply in the opensearch_security_roles array must already exist for the security plugin to map the user to that role. To see predefined roles, refer to the list of predefined roles. For instructions on how to create a role, refer to creating a role.

Request

PUT _opensearch/_security/api/internalusers/<username>
{
  "password": "kirkpass",
  "opensearch_security_roles": ["maintenance_staff", "weapons"],
  "backend_roles": ["captains", "starfleet"],
  "attributes": {
    "attribute1": "value1",
    "attribute2": "value2"
  }
}

Sample response

{
  "status":"CREATED",
  "message":"User kirk created"
}

Patch user

Updates individual attributes of an internal user.

Request

PATCH _opensearch/_security/api/internalusers/<username>
[
  {
    "op": "replace", "path": "/backend_roles", "value": ["klingons"]
  },
  {
    "op": "replace", "path": "/opensearch_security_roles", "value": ["ship_manager"]
  },
  {
    "op": "replace", "path": "/attributes", "value": { "newattribute": "newvalue" }
  }
]

Sample response

{
  "status": "OK",
  "message": "'kirk' updated."
}

Patch users

Creates, updates, or deletes multiple internal users in a single call.

Request

PATCH _opensearch/_security/api/internalusers
[
  {
    "op": "add", "path": "/spock", "value": { "password": "testpassword1", "backend_roles": ["testrole1"] }
  },
  {
    "op": "add", "path": "/worf", "value": { "password": "testpassword2", "backend_roles": ["testrole2"] }
  },
  {
    "op": "remove", "path": "/riker"
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Roles

Get role

Retrieves one role.

Request

GET _opensearch/_security/api/roles/<role>

Sample response

{
  "test-role": {
    "reserved": false,
    "hidden": false,
    "cluster_permissions": [
      "cluster_composite_ops",
      "indices_monitor"
    ],
    "index_permissions": [{
      "index_patterns": [
        "movies*"
      ],
      "dls": "",
      "fls": [],
      "masked_fields": [],
      "allowed_actions": [
        "read"
      ]
    }],
    "tenant_permissions": [{
      "tenant_patterns": [
        "human_resources"
      ],
      "allowed_actions": [
        "opensearch_dashboards_all_read"
      ]
    }],
    "static": false
  }
}

Get roles

Retrieves all roles.

Request

GET _opensearch/_security/api/roles/

Sample response

{
  "manage_snapshots": {
    "reserved": true,
    "hidden": false,
    "description": "Provide the minimum permissions for managing snapshots",
    "cluster_permissions": [
      "manage_snapshots"
    ],
    "index_permissions": [{
      "index_patterns": [
        "*"
      ],
      "fls": [],
      "masked_fields": [],
      "allowed_actions": [
        "indices:data/write/index",
        "indices:admin/create"
      ]
    }],
    "tenant_permissions": [],
    "static": true
  },
  ...
}

Delete role

Request

DELETE _opensearch/_security/api/roles/<role>

Sample response

{
  "status":"OK",
  "message":"role test-role deleted."
}

Create role

Creates or replaces the specified role.

Request

PUT _opensearch/_security/api/roles/<role>
{
  "cluster_permissions": [
    "cluster_composite_ops",
    "indices_monitor"
  ],
  "index_permissions": [{
    "index_patterns": [
      "movies*"
    ],
    "dls": "",
    "fls": [],
    "masked_fields": [],
    "allowed_actions": [
      "read"
    ]
  }],
  "tenant_permissions": [{
    "tenant_patterns": [
      "human_resources"
    ],
    "allowed_actions": [
      "opensearch_dashboards_all_read"
    ]
  }]
}

Sample response

{
  "status": "OK",
  "message": "'test-role' updated."
}

Patch role

Updates individual attributes of a role.

Request

PATCH _opensearch/_security/api/roles/<role>
[
  {
    "op": "replace", "path": "/index_permissions/0/fls", "value": ["myfield1", "myfield2"]
  },
  {
    "op": "remove", "path": "/index_permissions/0/dls"
  }
]

Sample response

{
  "status": "OK",
  "message": "'<role>' updated."
}

Patch roles

Creates, updates, or deletes multiple roles in a single call.

Request

PATCH _opensearch/_security/api/roles
[
  {
    "op": "replace", "path": "/role1/index_permissions/0/fls", "value": ["test1", "test2"]
  },
  {
    "op": "remove", "path": "/role1/index_permissions/0/dls"
  },
  {
    "op": "add", "path": "/role2/cluster_permissions", "value": ["manage_snapshots"]
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Role mappings

Get role mapping

Retrieves one role mapping.

Request

GET _opensearch/_security/api/rolesmapping/<role>

Sample response

{
  "role_starfleet" : {
    "backend_roles" : [ "starfleet", "captains", "defectors", "cn=ldaprole,ou=groups,dc=example,dc=com" ],
    "hosts" : [ "*.starfleetintranet.com" ],
    "users" : [ "worf" ]
  }
}

Get role mappings

Retrieves all role mappings.

Request

GET _opensearch/_security/api/rolesmapping

Sample response

{
  "role_starfleet" : {
    "backend_roles" : [ "starfleet", "captains", "defectors", "cn=ldaprole,ou=groups,dc=example,dc=com" ],
    "hosts" : [ "*.starfleetintranet.com" ],
    "users" : [ "worf" ]
  }
}

Delete role mapping

Request

DELETE _opensearch/_security/api/rolesmapping/<role>

Sample response

{
  "status": "OK",
  "message": "'my-role' deleted."
}

Create role mapping

Creates or replaces the specified role mapping.

Request

PUT _opensearch/_security/api/rolesmapping/<role>
{
  "backend_roles" : [ "starfleet", "captains", "defectors", "cn=ldaprole,ou=groups,dc=example,dc=com" ],
  "hosts" : [ "*.starfleetintranet.com" ],
  "users" : [ "worf" ]
}

Sample response

{
  "status": "CREATED",
  "message": "'my-role' created."
}

Patch role mapping

Updates individual attributes of a role mapping.

Request

PATCH _opensearch/_security/api/rolesmapping/<role>
[
  {
    "op": "replace", "path": "/users", "value": ["myuser"]
  },
  {
    "op": "replace", "path": "/backend_roles", "value": ["mybackendrole"]
  }
]

Sample response

{
  "status": "OK",
  "message": "'my-role' updated."
}

Patch role mappings

Creates or updates multiple role mappings in a single call.

Request

PATCH _opensearch/_security/api/rolesmapping
[
  {
    "op": "add", "path": "/human_resources", "value": { "users": ["user1"], "backend_roles": ["backendrole2"] }
  },
  {
    "op": "add", "path": "/finance", "value": { "users": ["user2"], "backend_roles": ["backendrole2"] }
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Tenants

Get tenant

Retrieves one tenant.

Request

GET _opensearch/_security/api/tenants/<tenant>

Sample response

{
  "human_resources": {
    "reserved": false,
    "hidden": false,
    "description": "A tenant for the human resources team.",
    "static": false
  }
}

Get tenants

Retrieves all tenants.

Request

GET _opensearch/_security/api/tenants/

Sample response

{
  "global_tenant": {
    "reserved": true,
    "hidden": false,
    "description": "Global tenant",
    "static": true
  },
  "human_resources": {
    "reserved": false,
    "hidden": false,
    "description": "A tenant for the human resources team.",
    "static": false
  }
}

Delete tenant

Request

DELETE _opensearch/_security/api/tenants/<tenant>

Sample response

{
  "status":"OK",
  "message":"tenant human_resources deleted."
}

Create tenant

Creates or replaces the specified tenant.

Request

PUT _opensearch/_security/api/tenants/<tenant>
{
  "description": "A tenant for the human resources team."
}

Sample response

{
  "status":"CREATED",
  "message":"tenant human_resources created"
}

Patch tenant

Add, delete, or modify a single tenant.

Request

PATCH _opensearch/_security/api/tenants/<tenant>
[
  {
    "op": "replace", "path": "/description", "value": "An updated description"
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Patch tenants

Add, delete, or modify multiple tenants in a single call.

Request

PATCH _opensearch/_security/api/tenants/
[
  {
    "op": "replace",
    "path": "/human_resources/description",
    "value": "An updated description"
  },
  {
    "op": "add",
    "path": "/another_tenant",
    "value": {
      "description": "Another description."
    }
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Configuration

Get configuration

Retrieves the current security plugin configuration in JSON format.

Request

GET _opensearch/_security/api/securityconfig

Update configuration

Creates or updates the existing configuration using the REST API rather than securityadmin.sh. This operation can easily break your existing configuration, so we recommend using securityadmin.sh instead. See Access control for the API for how to enable this operation.

Request

PUT _opensearch/_security/api/securityconfig/config
{
  "dynamic": {
    "filtered_alias_mode": "warn",
    "disable_rest_auth": false,
    "disable_intertransport_auth": false,
    "respect_request_indices_options": false,
    "opensearch-dashboards": {
      "multitenancy_enabled": true,
      "server_username": "opensearch-dashboardsserver",
      "index": ".opensearch-dashboards"
    },
    "http": {
      "anonymous_auth_enabled": false
    },
    "authc": {
      "basic_internal_auth_domain": {
        "http_enabled": true,
        "transport_enabled": true,
        "order": 0,
        "http_authenticator": {
          "challenge": true,
          "type": "basic",
          "config": {}
        },
        "authentication_backend": {
          "type": "intern",
          "config": {}
        },
        "description": "Authenticate via HTTP Basic against internal users database"
      }
    },
    "auth_failure_listeners": {},
    "do_not_fail_on_forbidden": false,
    "multi_rolespan_enabled": true,
    "hosts_resolver_mode": "ip-only",
    "do_not_fail_on_forbidden_empty": false
  }
}

Sample response

{
  "status": "OK",
  "message": "'config' updated."
}

Patch configuration

Updates the existing configuration using the REST API rather than securityadmin.sh. This operation can easily break your existing configuration, so we recommend using securityadmin.sh instead. See Access control for the API for how to enable this operation.

Request

PATCH _opensearch/_security/api/securityconfig
[
  {
    "op": "replace", "path": "/config/dynamic/authc/basic_internal_auth_domain/transport_enabled", "value": "true"
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Certificates

Get certificates

Retrieves the current security plugin configuration in JSON format.

Request

GET _opensearch/_security/api/securityconfig

Update configuration

Creates or updates the existing configuration using the REST API rather than securityadmin.sh. This operation can easily break your existing configuration, so we recommend using securityadmin.sh instead. See Access control for the API for how to enable this operation.

Request

PUT _opensearch/_security/api/securityconfig/config
{
  "dynamic": {
    "filtered_alias_mode": "warn",
    "disable_rest_auth": false,
    "disable_intertransport_auth": false,
    "respect_request_indices_options": false,
    "opensearch-dashboards": {
      "multitenancy_enabled": true,
      "server_username": "opensearch-dashboardsserver",
      "index": ".opensearch-dashboards"
    },
    "http": {
      "anonymous_auth_enabled": false
    },
    "authc": {
      "basic_internal_auth_domain": {
        "http_enabled": true,
        "transport_enabled": true,
        "order": 0,
        "http_authenticator": {
          "challenge": true,
          "type": "basic",
          "config": {}
        },
        "authentication_backend": {
          "type": "intern",
          "config": {}
        },
        "description": "Authenticate via HTTP Basic against internal users database"
      }
    },
    "auth_failure_listeners": {},
    "do_not_fail_on_forbidden": false,
    "multi_rolespan_enabled": true,
    "hosts_resolver_mode": "ip-only",
    "do_not_fail_on_forbidden_empty": false
  }
}

Sample response

{
  "status": "OK",
  "message": "'config' updated."
}

Patch configuration

Updates the existing configuration using the REST API rather than securityadmin.sh. This operation can easily break your existing configuration, so we recommend using securityadmin.sh instead. See Access control for the API for how to enable this operation.

Request

PATCH _opensearch/_security/api/securityconfig
[
  {
    "op": "replace", "path": "/config/dynamic/authc/basic_internal_auth_domain/transport_enabled", "value": "true"
  }
]

Sample response

{
  "status": "OK",
  "message": "Resource updated."
}

Cache

Flush cache

Flushes the security plugin user, authentication, and authorization cache.

Request

DELETE _opensearch/_security/api/cache

Sample response

{
  "status": "OK",
  "message": "Cache flushed successfully."
}

Health

Health check

Checks to see if the security plugin is up and running. If you operate your cluster behind a load balancer, this operation is useful for determining node health and doesn't require a signed request.

Request

GET _opensearch/_security/health

Sample response

{
  "message": null,
  "mode": "strict",
  "status": "UP"
}