OBS Request Conditions
Request conditions are useful in determining when a custom policy takes effect. A request condition consists of a condition key and operator. Condition keys are either global or service-level and are used in the Condition element of a policy statement. Global condition keys (starting with g:) are available for operations of all services, while service-level condition keys (starting with a service name such as obs:) are available only for operations of a specific service. An operator is used together with a condition key to form a complete condition statement.
OBS has a group of predefined condition keys that can be used in IAM. For example, to define an allow permission, you can use the condition key obs:SourceIp to filter matching requesters by IP address.
The condition keys and operators supported by OBS are the same as those in the bucket policy. When configuring condition keys in IAM, start the condition keys and operators with obs:. For details, see Policy Format.
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