catalog_update(1)

catalog_update - send update to catalog server

Section 1 coop-computing-tools bookworm source

Description

catalog_update

NAME

catalog_update - send update to catalog server

SYNOPSIS

catalog_update [options] [name=value] ..

DESCRIPTION

The catalog_update tool allows users to manually send an update to a catalog server via a short UDP packet.

OPTIONS

-c, --catalog=<host>

Send update to this catalog host.

-f, --file=<json-file>

Send additional JSON attributes in this file.

-d, --debug=<flags>

Enable debug flags.

-o, --debug-file=<file>

Send debug output to this file.

-v <version>

Show software version.

-h <help>

Show all options.

The catalog_update tool sends a custom message to the catalog server in the from of a JSON object with various properties describing the host. By default, the catalog_update tool includes the following fields in the update:

	•		type This describes the node type (default is "node").
	•		version This is the version of CCTools.
	•		cpu This is CPU architecture of the machine.
	•		opsys This is operating system of the machine.
	•		opsysversion This is operating system version of the machine.
	•		load1 This is 1-minute load of the machine.
	•		load5 This is 5-minute load of the machine.
	•		load15 This is 15-minute load of the machine.
	•		memory_total This is total amount of memory on the machine
	•		memory_avail This is amount of available memory on the machine
	•		cpus This is number of detected CPUs on the machine.
	•		uptime This how long the machine has been running.
	•		owner This is user who sent the update.

The field name is intended to give a human-readable name to a service or application which accepts incoming connections at port.

ENVIRONMENT VARIABLES

•

CATALOG_HOST Hostname of catalog server (same as -c).

EXIT STATUS

On success, returns zero. On failure, returns non-zero.

EXAMPLES

The following example sends an update to the catalog server located at catalog.cse.nd.edu with three custom fields.

% cat > test.json << EOF

{
"type" : "node",
"has_java" : true,
"mode" : 3
}
EOF
% catalog_update -c catalog.cse.nd.edu -f test.json