Elasticsearch Create User and Manage Access

Creating a user in Elasticsearch is a straightforward process that can be done through the Elasticsearch REST API or the Elasticsearch UI.

To create a user, you'll need to specify a username and a password, as well as the roles the user should have access to.

You can create a user using the Elasticsearch REST API by sending a POST request to the _security/user endpoint with the relevant details in the request body.

The user's password can be set to either a plaintext password or a hashed password using the password_hash property.

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User Roles and Permissions are crucial in Elasticsearch. You can create roles using Kibana, roles.yml, or the REST API. To create a role, choose Security, Roles, and Create role. Provide a name for the role and add permissions as desired.

Predefined roles are also available in Elasticsearch, including all_access, kibana_read_only, kibana_user, logstash, manage_snapshots, readall, readall_and_monitor, and security_rest_api_access. These roles serve as useful defaults and can be used as a starting point for creating custom roles.

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Here are some examples of predefined roles and their descriptions:

To assign permissions to a user, you can create a new role and map it to the user. For example, you can create a read-only role and map it to a user to prevent them from making changes to visualizations and dashboards. You can also create a bulk access role and map it to a user to grant them write permissions to various indices.

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Setting up users in Kibana is a straightforward process. You can create users using the Kibana interface, the internal_users.yml file, or the REST API.

To create a user in Kibana, you can follow the steps outlined in Example 4: Set up a read-only user in Kibana. This involves creating a new role with specific permissions and mapping it to the user.

Here are the predefined roles available in Kibana, as listed in Example 6: Predefined roles. These roles serve as useful defaults and include the kibana_read_only, kibana_user, logstash, manage_snapshots, readall, readall_and_monitor, and security_rest_api_access roles.

You can also create a new role with specific permissions, as shown in Example 7: Creating a User and Granting Permissions. This involves creating a new role and assigning permissions to it, then mapping the role to a user.

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To set up a read-only user in Kibana, you need to create a new role. This involves adding the cluster_composite_ops_ro action group for Cluster permissions. Then, add an index pattern, such as my-index-*, for Index Permissions. Finally, add the read action group for index permissions.

Open Kibana and navigate to Security, Roles. From there, create a new role named read_only_index.

To map this role to the read-only user, you need to manage the mapping. This involves choosing the Mapped users tab and selecting Manage mapping. Add your read-only user to the Internal users list and choose Map.

You'll need to repeat this process for the kibana_user and kibana_read_only roles.

Here's a quick rundown of the steps to map roles to the read-only user:

To grant Kibana access with an administrator account, log in to a security-mode cluster as user admin. Click Roles under Security. On the Open Distro Security Roles page, click +. On the Overview tab, set the role name, for example, kibana_user.

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You can then set tenant permissions by clicking on the Tenant Permissions tab. Click Save Role Definition to save the role. Next, click Role Mappings under Security. On the Role Mappings page, click + to add the mapping between the test user and the kibana_user role. Click Submit to complete the mapping.

The test user now has read and write permissions on Kibana. To grant access to other tenant spaces, use the administrator account to assign the required permissions through role-user mapping. This can be done by creating a tenant, assigning the tenant to the role, and saving the settings.

Here's a step-by-step guide to granting access:

1. Log in to a security-mode cluster as user admin.

2. Click Roles under Security.

3. On the Open Distro Security Roles page, click +.

4. Set the role name, for example, kibana_user.

5. Set tenant permissions on the Tenant Permissions tab.

6. Click Save Role Definition to save the role.

7. Click Role Mappings under Security.

8. On the Role Mappings page, click + to add the mapping between the test user and the kibana_user role.

9. Click Submit to complete the mapping.

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To set up Elasticsearch, you need a license that includes the specific security features you want.

Before adding integration to the Kibana Dashboard, ensure you're using a license that meets your security needs.

Verify that your license includes the necessary security features.

You'll also need to enable security and add a superuser to it.

To do this, you'll need to edit the elasticsearch.yml file.

The location of this file is where you'll find the necessary configuration settings.

To make changes take effect, you'll need to restart the kibana and elasticsearch service.

Here's a quick rundown of the steps:

To grant permissions and access in Elasticsearch, you need to create a user and assign a role to them. This can be done by logging in to the CSS management console and choosing Clusters in the navigation pane.

The next step is to add a new user and create a role with specific permissions. You can do this by logging in to Kibana using an administrator account and choosing Security in the navigation tree.

To assign permissions to a user, you need to map a role to a user. This can be done by clicking on Role Mappings on the Security page and adding a mapping between the user and the role.

Here are the steps to follow:

By following these steps, you can grant permissions and access to users in Elasticsearch.