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Documentation Grafana Mimir Operator and user guide Configuration About tenant IDs

About Grafana Mimir tenant IDs

Within a Grafana Mimir cluster, the tenant ID is the unique identifier of a tenant. For information about how Grafana Mimir components use tenant IDs, refer to Authentication and authorization.

Restrictions

Tenant IDs must be less-than or equal-to 150 bytes or characters in length and can only include the following supported characters:

• Alphanumeric characters
  • 0-9
  • a-z
  • A-Z
• Special characters
  • Exclamation point (!)
  • Hyphen (-)
  • Underscore (_)
  • Single period (.)
  • Asterisk (*)
  • Single quote (')
  • Open parenthesis (()
  • Close parenthesis ())

Note: For security reasons, . and .. are not valid tenant IDs.

All other characters, including slashes and whitespace, are not supported.