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Module cartridge.confapplier | Tarantool
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Tarantool Cartridge Table of contents Module cartridge.confapplier

Module cartridge.confapplier

Module cartridge.confapplier

Configuration management primitives.

Implements the internal state machine which helps to manage cluster operation and protects from invalid state transitions.

Get current ClusterwideConfig object of instance

Returns:

cartridge.clusterwide-config or nil, if instance not bootstrapped.

Get a read-only view on the clusterwide configuration.

Returns either conf[section_name] or entire conf . Any attempt to modify the section or its children will raise an error.

Parameters:

  • section_name: (string) (optional)

Returns:

(table)

Get a read-write deep copy of the clusterwide configuration.

Returns either conf[section_name] or entire conf . Changing it has no effect unless it’s used to patch clusterwide configuration.

Parameters:

  • section_name: (string) (optional)

Returns:

(table)

Perform state transition.

Parameters:

  • state: (string) New state
  • err: (optional)

Returns:

(nil)

Make a wish for meeting desired state.

Parameters:

  • state: (string) Desired state.
  • timeout: (number) (optional)

Returns:

(string) Final state, may differ from desired.

Validate configuration by all roles.

Parameters:

  • clusterwide_config_new: (table)

Returns:

(boolean) true

Or

(nil)

(table) Error description

Restart replication from topology on the current node.

Apply the role configuration.

Parameters:

  • clusterwide_config: (table)

Returns:

(boolean) true

Or

(nil)

(table) Error description