Provided by: ion_3.2.1+dfsg-1.1_amd64
lgagent - ION Load/Go remote agent program
ION Load/Go is a system for management of an ION-based network, enabling the execution of ION administrative programs at remote nodes. The system comprises two programs, lgsend and lgagent. The lgagent task on a given node opens the indicated ION endpoint for bundle reception, receives the extracted payloads of Load/Go bundles sent to it by lgsend as run on one or more remote nodes, and processes those payloads, which are the text of Load/Go source files. Load/Go source file content is limited to newline-terminated lines of ASCII characters. More specifically, the text of any Load/Go source file is a sequence of line sets of two types: file capsules and directives. Any Load/Go source file may contain any number of file capsules and any number of directives, freely intermingled in any order, but the typical structure of a Load/Go source file is simply a single file capsule followed by a single directive. When lgagent identifies a file capsule, it copies all of the capsule's text lines to a new file that it creates in the current working directory. When lgagent identifies a directive, it executes the directive by passing the text of the directive to the pseudoshell() function (see platform(3)). lgagent processes the line sets of a Load/Go source file in the order in which they appear in the file, so the text of a directive may reference a file that was created as the result of processing a prior file capsule in the same source file.
"0" Load/Go remote agent processing has terminated.
lgfile contains the Load/Go file capsules and directives that are to be processed.
No environment variables apply.
The following diagnostics may be issued to the ion.log log file: lgagent: can't attach to BP. Bundle Protocol is not running on this computer. Run bpadmin(1) to start BP. lgagent: can't open own endpoint. own_endpoint_ID is not a declared endpoint on the local ION node. Run bpadmin(1) to add it. lgagent: bundle reception failed. ION system problem. Investigate and correct before restarting. lgagent cannot continue. lgagent processing problem. See earlier diagnostic messages for details. Investigate and correct before restarting. lgagent: no space for bundle content. ION system problem: have exhausted available SDR data store reserves. lgagent: can't receive bundle content. ION system problem: have exhausted available SDR data store reserves. lgagent: can't handle bundle delivery. ION system problem. Investigate and correct before restarting. lgagent: pseudoshell failed. Error in directive line, usually an attempt to execute a non-existent administration program (e.g., a misspelled program name). Terminates processing of source file content. A variety of other diagnostics noting source file parsing problems may also be reported. These errors are non-fatal but they terminate the processing of the source file content from the most recently received bundle.
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