Retrieves the cluster's maintenance schedule.

Retrieves the cluster's maintenance status.

`SET_QUOTA` and `REMOVE_QUOTA` are deprecated in favor of `UPDATE_QUOTA`.

If a call of type `Call::FOO` requires additional parameters they can be included in the corresponding `Call::Foo` message.

Periodic message sent by the master to the subscriber according to 'Subscribed.heartbeat_interval_seconds'.

* Calls that can be sent to the v1 master API.

Create persistent volumes on reserved resources.

EXPERIMENTAL.

Destroy persistent volumes.

EXPERIMENTAL.

Provides a snapshot of the current metrics tracked by the master.

Grow a volume by an additional disk resource.

Provides the file listing for a directory.

Mark an agent as gone.

EXPERIMENTAL.

Reads data from a file.

Deprecated in favor of `UpdateQuota`.

Reserve resources dynamically on a specific agent.

Sets the logging verbosity level for a specified duration.

Deprecated in favor of `UpdateQuota`.

Shrink a volume by the size specified in the `subtract` field.

Starts the maintenance of the cluster, this would bring a set of machines down.

Stops the maintenance of the cluster, this would bring a set of machines back up.

Tears down a running framework by shutting down all tasks/executors and removing the framework.

Unreserve resources dynamically on a specific agent.

Updates the cluster's maintenance schedule.

Updates quota given the provided quota configurations, these configurations are applied in an all-or-nothing manner.

* Streaming response to `Call::SUBSCRIBE` made to the master.

Forwarded by the master when an agent becomes known to it.

Forwarded by the master when an agent is removed.

Forwarded by the master when a framework becomes known to it.

Forwarded by the master when a framework is removed.

Forwarded by the master when a framework reregisters with the master upon a disconnection (network error) or upon a master failover.

First event received when a client subscribes.

Forwarded by the master when a task becomes known to it.

Forwarded by the master when an existing task transitions to a new state.

* Synchronous responses for all calls (except Call::SUBSCRIBE) made to the v1 master API.

Lists information about all the executors known to the master at the current time.

Contains the flag configuration of the master.

Information about all the frameworks known to the master at the current time.

`healthy` would be true if the master is healthy.

Contains the logging level of the master.

Contains the cluster's maintenance schedule.

Contains the cluster's maintenance status.

Contains the master's information.

Contains a snapshot of the current metrics.

Lists information about all operations known to the master at the current time.

Contains the cluster's configured quotas.

Provides information about every role that is on the role whitelist (if enabled), has one or more registered frameworks or has a non-default weight or quota.

Contains full state of the master i.e.

Lists information about all the tasks known to the master at the current time.

Contains the version information of the master.

Provides the weight information about every role.

Contains the file listing(similar to `ls -l`) for a directory.

Contains the file data.

Each of the responses of type `FOO` corresponds to `Foo` message below.