OPH_LOG_INFO¶

Description¶

Type

Metadata Access.

Behaviour

It reads the last lines from the server log or from a specific container log. This operator requires administrator privileges.

Parameters

• log_type: type of log to be read. Possible values are “server”, “container” and “ioserver”. If not specified, it will be used its default value “server”.
• container_id: id of the container related to the requested log, valid only when requested log type is “container”.
• ioserver: type of the ioserver related to the requested log, valid only when requested log type is “ioserver”.
• nlines: maximum number of lines to be displayed, starting from the end of the log. Default value is “10”.

System parameters

• exec_mode: operator execution mode. Possible values are async (default) for asynchronous mode, sync for synchronous mode with json-compliant output.
• ncores: number of parallel processes to be used (min. 1). This operator is not parallel, so the only possible value is 1.
• sessionid: session identifier used server-side to manage sessions and jobs. Usually, users don’t need to use/modify it, except when it is necessary to create a new session or switch to another one.
• objkey_filter: filter on the output of the operator written to file (default=all => no filter, none => no output, log_info => shows log data as text).

Examples

Read the last 10 lines of the log file related to the container with id 3:

[OPH_TERM] >>  oph_log_info log_type=container;container_id=3;nlines=10;

Arguments¶