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Copyright © 2014-2024 Immuta Inc. All rights reserved.

On this page
  • Starburst Cluster Configuration
  • Requirement
  • 1 - Enable the Integration
  • 2 - Configure the Immuta System Access Control Plugin in Starburst
  • 3 - Add Starburst Users to Immuta
  • 4 - Register data
  • Trino Cluster Configuration
  • 1 - Enable the Integration
  • 2 - Configure the Immuta System Access Control Plugin in Trino
  • 3 - Add Trino Users to Immuta
  • 4 - Register data

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  1. Integrations
  2. Starburst (Trino)
  3. How-to Guides

Configure Starburst (Trino) Integration

Last updated 28 days ago

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The plugin comes pre-installed with Starburst Enterprise, so this page provides separate sets of guidelines for configuration:

  • : These instructions are specific to Starburst Enterprise clusters.

  • : These instructions are specific to open-source Trino clusters.

Starburst Cluster Configuration

Requirement

A valid .

Starburst does not support using Starburst built-in access control (BIAC) concurrently with any other access control providers such as Immuta. If Starburst BIAC is in use, it must be disabled to allow Immuta to enforce policies on cluster.

1 - Enable the Integration

  1. Click the App Settings icon in the left sidebar.

  2. Click the Integrations tab.

  3. Click Add Integration and select Trino from the Integration Type dropdown menu.

  4. Click Save.

OAuth Authentication

If you are using OAuth or asynchronous authentication to create Starburst (Trino) data sources, configure the globalAdminUsername property in the advanced configuration section of the Immuta app settings page.

  1. Click the App Settings page icon.

  2. Click Advanced Settings and scroll to Advanced Configuration.

  3. Paste the following YAML configuration snippet in the text box, replacing the email address below with your admin username:

    trino:
      globalAdminUsername: "admins@trino.com"

2 - Configure the Immuta System Access Control Plugin in Starburst

Default configuration property values

If you use the default property values in the configuration file described in this section,

  • you will give users read and write access to tables that are not registered in Immuta and

  • results for SHOW queries will not be filtered on table metadata.

These default settings help ensure that a new Starburst integration installation is minimally disruptive for existing Starburst deployments, allowing you to then add Immuta data sources and update configuration to enforce more controls as you see fit.

However, the access-control.config-files property can be configured to allow Immuta to work with existing Starburst installations that have already configured an access control provider. For example, if the Starburst integration is configured to allow users write access to tables that are not protected by Immuta, you can still lock down write access for specific non-Immuta tables using an additional access control provider.

TLS Certificate Generation

If you provided your own TLS certificates during Immuta installation, you must ensure that the hostname in your certificate matches the hostname specified in the Starburst (Trino) configuration.

If you did not provide your own TLS certificates, Immuta generated these certificates for you during installation. See notes about your specific deployment method below for details.

If the hostnames in your certificate don't match the hostname specified in your Starburst (Trino) integration, you can set immuta.disable-hostname-verification to true in the Immuta access control config file to get the integration working in the interim.

The Starburst (Trino) integration uses the immuta.ca-file property to communicate with Immuta. When configuring the plugin in Starburst (outlined below), specify a path to your CA file using the immuta.ca-file property in the Immuta access control configuration file.

  1. Create the Immuta access control configuration file in the Starburst configuration directory (/etc/starburst/immuta-access-control.properties for Docker installations or <starburst_install_directory>/etc/immuta-access-control.properties for standalone installations).

    The table below describes the properties that can be set during configuration.

    Property
    Starburst version
    Required or optional
    Description

    access-control.name

    392 and newer

    Required

    This property enables the integration.

    access-control.config-files

    392 and newer

    Optional

    immuta.allowed.immuta.datasource.operations

    413 and newer

    Optional

    immuta.allowed.non.immuta.datasource.operations

    392 and newer

    Optional

    immuta.apikey

    392 and newer

    Required

    immuta.audit.legacy.enabled

    392 and newer

    Optional

    This property allows you to turn off the legacy Starburst (Trino) audit if you do not have Elasticsearch set up in your install.

    immuta.ca-file

    392 and newer

    Optional

    This property allows you to specify a path to your CA file.

    immuta.cache.views.seconds

    392 and newer

    Optional

    Amount of time in seconds for which a user's specific representation of an Immuta data source will be cached for. Changing this will impact how quickly policy changes are reflected for users actively querying Starburst. By default, cache expires after 30 seconds.

    immuta.cache.datasource.seconds

    392 and newer

    Optional

    Amount of time in seconds for which a user's available Immuta data sources will be cached for. Changing this will impact how quickly data sources will be available due to changing projects or subscriptions. By default, cache expires after 30 seconds.

    immuta.endpoint

    392 and newer

    Required

    The protocol and fully qualified domain name (FQDN) for the Immuta instance used by Starburst (for example, https://my.immuta.instance.io). This should be set to the endpoint displayed when enabling the integration on the app settings page.

    immuta.filter.unallowed.table.metadata

    392 and newer

    Optional

    When set to false, Immuta won't filter unallowed table metadata, which helps ensure Immuta remains noninvasive and performant. If this property is set to true, running show catalogs, for example, will reflect what that user has access to instead of returning all catalogs. By default, this property is set to false.

    immuta.group.admin

    420 and newer

    Required if immuta.user.admin is not set

    This property identifies the Starburst group that is the Immuta administrator. The users in this group will not have Immuta policies applied to them. Therefore, data sources should be created by users in this group so that they have access to everything. This property can be used in conjunction with the immuta.user.admin property, and regex filtering can be used (with a | delimiter at the end of each expression) to assign multiple groups as the Immuta administrator. Note that you must escape regex special characters (for example, john\\.doe+svcacct@immuta\\.com).

    immuta.user.admin

    392 and newer

    Required if immuta.group.admin is not set

    This property identifies the Starburst user who is an Immuta administrator (for example, immuta.user.admin=immuta_system_account). This user will not have Immuta policies applied to them because this account will run the subqueries. Therefore, data sources should be created by this user so that they have access to everything. This property can be used in conjunction with the immuta.group.admin property, and regex filtering can be used with a | delimiter at the end of each expression) to assign multiple users as the Immuta administrator. Note that you must escape regex special characters (for example, john\\.doe+svcacct@immuta\\.com).

  2. Enable the Immuta access control plugin in Starburst's configuration file (/etc/starburst/config.properties for Docker installations or <starburst_install_directory>/etc/config.properties for standalone installations). For example,

access-control.config-files=/etc/starburst/immuta-access-control.properties

Example Immuta System Access Control Configuration

# Enable the Immuta System Access Control (v2) implementation.
access-control.name=immuta

# The Immuta endpoint that was displayed when enabling the Starburst integration in Immuta.
immuta.endpoint=http://service.immuta.com:3000

# The Immuta API key that was displayed when enabling the Starburst integration in Immuta.
immuta.apikey=45jdljfkoe82b13eccfb9c

# The administrator user regex. Starburst usernames matching this regex will not be subject to
# Immuta policies. This regex should match the user name provided at Immuta data source
# registration.
immuta.user.admin=immuta_system_account

# Optional argument (default is shown).
# A CSV list of operations allowed on schemas/tables registered as Immuta data sources.
immuta.allowed.immuta.datasource.operations=READ

# Optional argument (default is shown).
# A CSV list of operations allowed on schemas/tables not registered as Immuta data sources.
# Set to empty to allow no operations on non-Immuta data sources.
immuta.allowed.non.immuta.datasource.operations=READ,WRITE

# Optional argument (default is shown).
# Controls table metadata filtering for inaccessible tables.
#   - When this property is enabled and non-Immuta reads are also enabled, a user performing
#     'show catalogs/schemas/tables' will not see metadata for a table that is registered as
#     an Immuta data source but the user does not have access to through Immuta.
#   - When this property is enabled and non-Immuta reads and writes are disabled, a user
#     performing 'show catalogs/schemas/tables' will only see metadata for tables that the
#     user has access to through Immuta.
#   - When this property is disabled, a user performing 'show catalogs/schemas/tables' can see
#     all metadata.
immuta.filter.unallowed.table.metadata=false

3 - Add Starburst Users to Immuta

    • All Starburst users must map to Immuta users or match the immuta.user.admin regex configured on the cluster, and their Starburst username must be mapped to Immuta so they can query policy-enforced data.

    • A user impersonating a different user in Starburst requires the IMPERSONATE_USER permission in Immuta. Both users must be mapped to an Immuta user, or the querying user must match the configured immuta.user.admin regex.

4 - Register data

Trino Cluster Configuration

1 - Enable the Integration

  1. Click the App Settings icon in the left sidebar.

  2. Click the Integrations tab.

  3. Click Add Integration and select Trino from the dropdown menu.

  4. Click Save.

OAuth Authentication

If you are using OAuth or asynchronous authentication to create Starburst (Trino) data sources, configure the globalAdminUsername property in the advanced configuration section of the Immuta app settings page.

  1. Click the App Settings page icon.

  2. Click Advanced Settings and scroll to Advanced Configuration.

  3. Paste the following YAML configuration snippet in the text box, replacing the email address below with your admin username:

    trino:
      globalAdminUsername: "admins@trino.com"

2 - Configure the Immuta System Access Control Plugin in Trino

Default configuration property values

If you use the default property values in the configuration file described in this section,

  • you will give users read and write access to tables that are not registered in Immuta and

  • results for SHOW queries will not be filtered on table metadata.

These default settings help ensure that a new Starburst integration installation is minimally disruptive for existing Trino deployments, allowing you to then add Immuta data sources and update configuration to enforce more controls as you see fit.

However, the access-control.config-files property can be configured to allow Immuta to work with existing Trino installations that have already configured an access control provider. For example, if the Starburst (Trino) integration is configured to allow users write access to tables that are not protected by Immuta, you can still lock down write access for specific non-Immuta tables using an additional access control provider.

TLS Certificate Generation

If you provided your own TLS certificates during Immuta installation, you must ensure that the hostname in your certificate matches the hostname specified in the Starburst (Trino) configuration.

If you did not provide your own TLS certificates, Immuta generated these certificates for you during installation. See notes about your specific deployment method below for details.

If the hostnames in your certificate don't match the hostname specified in your Starburst (Trino) integration, you can set immuta.disable-hostname-verification to true in the Immuta access control config file to get the integration working in the interim.

The Starburst (Trino) integration uses the immuta.ca-file property to communicate with Immuta. When configuring the plugin in Starburst (outlined below), specify a path to your CA file using the immuta.ca-file property in the Immuta access control configuration file.

  1. Download the assets for the release.

  2. Enable Immuta on your cluster. Select the tab below that corresponds to your installation method for instructions:

Docker installations

  1. Create the Immuta access control configuration file in the Trino configuration directory: /etc/trino/immuta-access-control.properties.

immuta-trino Docker image

For Trino versions 414 and newer, an immuta-trino Docker image that includes the Trino plugin jars is available from registry.immuta.com. Before using this image, consider the following factors:

  • This image was designed to provide a method for customers to quickly set up and validate the integration, so it should be used in a development environment. Use the Docker installation method above for production environments.

  • Immuta only supports the Immuta Trino plugin on the Docker image, not any other software packaged on the image.

  • If you experience an issue with the image outside of the scope of the Immuta plugin, you must rebuild your own version of the image using the Docker installation method above.

To use this image,

  1. Pull the image and start the container. The example below specifies the Immuta Trino plugin version 414 with the 414 tag, but any supported Trino version newer than 414 can be used:

    docker run registry.immuta.com/immuta/immuta-trino:414
  2. Create the Immuta access control configuration file in the Trino configuration directory: /etc/trino/immuta-access-control.properties.

Standalone installations

  1. Create the Immuta access control configuration file in the Trino configuration directory: <trino_install_directory>/etc/immuta-access-control.properties.

  1. Configure the properties described in the table below.

Property
Trino version
Required or optional
Description

access-control.name

392 and newer

Required

This property enables the integration.

access-control.config-files

392 and newer

Optional

Trino allows you to enable multiple system access control providers at the same time. To do so, add providers to this property as comma-separated values. This approach allows Immuta to work with existing Trino installations that have already configured an access control provider. Immuta does not manage all permissions in Trino and will default to allowing access to anything Immuta does not manage so that the Starburst (Trino) integration complements existing controls. For example, if the Starburst (Trino) integration is configured to allow users write access to tables that are not protected by Immuta, you can still lock down write access for specific non-Immuta tables using an additional access control provider.

immuta.allowed.immuta.datasource.operations

413 and newer

Optional

immuta.allowed.non.immuta.datasource.operations

392 and newer

Optional

immuta.apikey

392 and newer

Required

immuta.audit.legacy.enabled

392 and newer

Optional

This property allows you to turn off the legacy Starburst (Trino) audit if you do not have Elasticsearch set up in your install.

immuta.ca-file

392 and newer

Optional

This property allows you to specify a path to your CA file.

immuta.cache.views.seconds

392 and newer

Optional

Amount of time in seconds for which a user's specific representation of an Immuta data source will be cached for. Changing this will impact how quickly policy changes are reflected for users actively querying Trino. By default, cache expires after 30 seconds.

immuta.cache.datasource.seconds

392 and newer

Optional

Amount of time in seconds for which a user's available Immuta data sources will be cached for. Changing this will impact how quickly data sources will be available due to changing projects or subscriptions. By default, cache expires after 30 seconds.

immuta.endpoint

392 and newer

Required

The protocol and fully qualified domain name (FQDN) for the Immuta instance used by Trino (for example, https://my.immuta.instance.io). This should be set to the endpoint displayed when enabling the integration on the app settings page.

immuta.filter.unallowed.table.metadata

392 and newer

Optional

When set to false, Immuta won't filter unallowed table metadata, which helps ensure Immuta remains noninvasive and performant. If this property is set to true, running show catalogs, for example, will reflect what that user has access to instead of returning all catalogs. By default, this property is set to false.

immuta.group.admin

420 and newer

Required if immuta.user.admin is not set

This property identifies the Trino group that is the Immuta administrator. The users in this group will not have Immuta policies applied to them. Therefore, data sources should be created by users in this group so that they have access to everything. This property can be used in conjunction with the immuta.user.admin property, and regex filtering can be used (with a | delimiter at the end of each expression) to assign multiple groups as the Immuta administrator. Note that you must escape regex special characters (for example, john\\.doe+svcacct@immuta\\.com).

immuta.user.admin

392 and newer

Required if immuta.group.admin is not set

This property identifies the Trino user who is an Immuta administrator (for example, immuta.user.admin=immuta_system_account). This user will not have Immuta policies applied to them because this account will run the subqueries. Therefore, data sources should be created by this user so that they have access to everything. This property can be used in conjunction with the immuta.group.admin property, and regex filtering can be used with a | delimiter at the end of each expression) to assign multiple users as the Immuta administrator. Note that you must escape regex special characters (for example, john\\.doe+svcacct@immuta\\.com).

  1. Enable the Immuta access control plugin in Trino's configuration file (/etc/trino/config.properties for Docker installations or <trino_install_directory>/etc/config.properties for standalone installations). For example,

    access-control.config-files=/etc/trino/immuta-access-control.properties

Example Immuta System Access Control Configuration

# Enable the Immuta System Access Control (v2) implementation.
access-control.name=immuta

# The Immuta endpoint that was displayed when enabling the Starburst integration in Immuta.
immuta.endpoint=http://service.immuta.com:3000

# The Immuta API key that was displayed when enabling the Starburst integration in Immuta.
immuta.apikey=45jdljfkoe82b13eccfb9c

# The administrator user regex. Starburst usernames matching this regex will not be subject to
# Immuta policies. This regex should match the user name provided at Immuta data source
# registration.
immuta.user.admin=immuta_system_account

# Optional argument (default is shown).
# A CSV list of operations allowed on schemas/tables registered as Immuta data sources.
immuta.allowed.immuta.datasource.operations=READ

# Optional argument (default is shown).
# A CSV list of operations allowed on schemas/tables not registered as Immuta data sources.
# Set to empty to allow no operations on non-Immuta data sources.
immuta.allowed.non.immuta.datasource.operations=READ,WRITE

# Optional argument (default is shown).
# Controls table metadata filtering for inaccessible tables.
#   - When this property is enabled and non-Immuta reads are also enabled, a user performing
#     'show catalogs/schemas/tables' will not see metadata for a table that is registered as
#     an Immuta data source but the user does not have access to through Immuta.
#   - When this property is enabled and non-Immuta reads and writes are disabled, a user
#     performing 'show catalogs/schemas/tables' will only see metadata for tables that the
#     user has access to through Immuta.
#   - When this property is disabled, a user performing 'show catalogs/schemas/tables' can see
#     all metadata.
immuta.filter.unallowed.table.metadata=false

3 - Add Trino Users to Immuta

    • All Trino users must map to Immuta users or match the immuta.user.admin regex configured on the cluster, and their Trino username must be mapped to Immuta so they can query policy-enforced data.

    • A user impersonating a different user in Trino requires the IMPERSONATE_USER permission in Immuta. Both users must be mapped to an Immuta user, or the querying user must match the configured immuta.user.admin regex.

4 - Register data

: Immuta generates a local certificate authority (CA) that signs certificates for each service by default. Ensure that the externalHostname you specified in the Immuta Enterprise Helm chart matches the Immuta hostname name specified in the Starburst (Trino) configuration.

Starburst allows you to enable multiple system access control providers at the same time. To do so, add providers to this property as comma-separated values. Immuta has tested the Immuta system access control provider alongside the . This approach allows Immuta to work with existing Starburst installations that have already configured an access control provider. Immuta does not manage all permissions in Starburst and will default to allowing access to anything Immuta does not manage so that the Starburst integration complements existing controls. For example, if the Starburst integration is configured to allow users write access to tables that are not protected by Immuta, you can still lock down write access for specific non-Immuta tables using an additional access control provider.

This property defines a comma-separated list of allowed operations for Starburst (Trino) users on tables registered as Immuta data sources: READ,WRITE, and OWN. (See the for details about the OWN operation.) When set to WRITE, all querying users are allowed read and write operations to data source schemas and tables. By default, this property is set to READ, which blocks write operations on data source tables and schemas. If are enabled for your Immuta tenant, this property is set to READ,WRITE by default, so users are allowed read and write operations to data source schemas and tables.

This property defines a comma-separated list of allowed operations users will have on tables not registered as Immuta data sources: READ, WRITE, CREATE, and OWN. (See the for details about CREATE and OWN operations.) When set to READ, users are allowed read operations on tables not registered as Immuta data sources. When set to WRITE, users are allowed read and write operations on tables not registered as Immuta data sources. If this property is left empty, users will not get access to any tables outside Immuta. By default, this property is set to READ,WRITE. If are enabled for your Immuta tenant, this property is set to READ,WRITE,OWN,CREATE by default.

This should be set to the Immuta API key displayed when enabling the integration on the app settings page. To rotate this API key, use the to generate a new API key, and then replace the existing immuta.apikey value with the new one.

The example configuration snippet below uses the default configuration settings for immuta.allowed.immuta.datasource.operations and immuta.allowed.non.immuta.datasource.operations, which allow read access for data registered as Immuta data sources and read and write access on data that is not registered in Immuta. See the for details about customizing and enforcing read and write access controls in Starburst.

to add users to Immuta.

when configuring your IAM (or map usernames manually) to Immuta.

.

: Immuta generates a local certificate authority (CA) that signs certificates for each service by default. Ensure that the externalHostname you specified in the Immuta Helm Chart matches the Immuta hostname name specified in the Starburst (Trino) configuration.

The Immuta Trino plugin version is updated alongside Trino so that a matching version of the plugin is published for corresponding Trino releases. For example, the Immuta plugin version supporting Trino version 403 is simply version 403. Navigate to the and scroll to the release that corresponds to your Trino version.

Follow to install the plugin archive on all nodes in your cluster.

Follow to install the plugin archive on all nodes in your cluster.

This property defines a comma-separated list of allowed operations for Starburst (Trino) users on tables registered as Immuta data sources: READ,WRITE, and OWN. (See the for details about the OWN operation.) When set to WRITE, all querying users are allowed read and write operations to data source schemas and tables. By default, this property is set to READ, which blocks write operations on data source tables and schemas. If are enabled for your Immuta tenant, this property is set to READ,WRITE by default, so users are allowed read and write operations to data source schemas and tables.

This property defines a comma-separated list of allowed operations users will have on tables not registered as Immuta data sources: READ, WRITE, CREATE, and OWN. (See the for details about CREATE and OWN operations.) When set to READ, users are allowed read operations on tables not registered as Immuta data sources. When set to WRITE, users are allowed read and write operations on tables not registered as Immuta data sources. If this property is left empty, users will not get access to any tables outside Immuta. By default, this property is set to READ,WRITE. If are enabled for your Immuta tenant, this property is set to READ,WRITE,OWN,CREATE by default.

This should be set to the Immuta API key displayed when enabling the integration on the app settings page. To rotate this API key, use the to generate a new API key, and then replace the existing immuta.apikey value with the new one.

The example configuration snippet below uses the default configuration settings for immuta.allowed.immuta.datasource.operations and immuta.allowed.non.immuta.datasource.operations, which allow read access for data registered as Immuta data sources and read and write access on data that is not registered in Immuta. See the for details about customizing and enforcing read and write access controls in Starburst.

to add users to Immuta.

when configuring your IAM (or map usernames manually) to Immuta.

.

Kubernetes Deployment
Configure your external IAM
Map their Starburst usernames
Register Starburst (Trino) data in Immuta
Kubernetes Deployment
Immuta GitHub repository
Trino's documentation
Trino's documentation
Configure your external IAM
Map their Trino usernames
Register Starburst (Trino) data in Immuta
Starburst Enterprise license
Starburst Cluster Configuration
Trino Cluster Configuration
Starburst built-in access control system
Customize read and write access policies for Starburst (Trino) guide
Customize read and write access policies for Starburst (Trino) guide
Customize read and write access policies for Starburst (Trino) guide
Customize read and write access policies for Starburst (Trino) guide
Integrations API
Integrations API
Granting Starburst (Trino) privileges section
Granting Starburst (Trino) privileges section
write policies
write policies
write policies
write policies