Module cartridge.pool

connect (uri[, opts])

Connect a remote or get cached connection. Connection is established using net.box.connect() .

Parameters:

• uri: (string)
• opts:
  • wait_connected: (boolean or number) by default, connection creation is blocked until the connection is established, but passing wait_connected=false makes it return immediately. Also, passing a timeout makes it wait before returning (e.g. wait_connected=1.5 makes it wait at most 1.5 seconds).
  • fetch_schema: (optional number) Fetch schema from tarantool instances
  • connect_timeout: (optional number) (deprecated)Use wait_connected instead
  • user: (deprecated) don’t use it
  • password: (deprecated) don’t use it
  • reconnect_after: (deprecated) don’t use it

Returns:

net.box connection

Or

(nil)

(table) Error description

format_uri (uri)

Enrich URI with credentials. Suitable to connect other cluster instances.

Parameters:

• uri: (string) host:port

Returns:

(string) username:password@host:port

map_call (fn_name[, args[, opts]])

Perform a remote call to multiple URIs and map results.

(Added in v1.2.0-17)

Parameters:

• fn_name: (string)
• args: (table) function arguments (optional)
• opts:
  • uri_list: ({string,…}) array of URIs for performing remote call
  • timeout: (optional number) passed to net.box conn:call() (unit: seconds, default: 10)

Returns:

({URI=value,…}) Call results mapping for every URI.

(table) United error object, gathering errors for every URI that failed.