Check qts-memory-usage

Overview

Returns the current system-wide memory utilization as a percentage from a QNAP Appliance running QTS, using the HTTP API.

Hints and Recommendations:

  • Tested on QuTScloud v4.5.6+

  • The user used for monitoring must be a member of the „administrators“ group. It is not sufficient to be a member of the „everyone“ group.

Fact Sheet

Check Plugin Download

https://github.com/Linuxfabrik/monitoring-plugins/tree/main/check-plugins/qts-memory-usage

Check Interval Recommendation

Once a minute

Can be called without parameters

No

Compiled for

Linux, Windows

Help

usage: qts-memory-usage [-h] [-V] [--always-ok] [-c CRIT] [--insecure]
                        [--no-proxy] --password PASSWORD [--timeout TIMEOUT]
                        --url URL [--username USERNAME] [-w WARN]

Returns the current system-wide memory utilization as a percentage from QNAP
Appliances running QTS via API.

options:
  -h, --help            show this help message and exit
  -V, --version         show program's version number and exit
  --always-ok           Always returns OK.
  -c CRIT, --critical CRIT
                        Set the critical threshold Memory Usage Percentage.
                        Default: 90
  --insecure            This option explicitly allows to perform "insecure"
                        SSL connections. Default: False
  --no-proxy            Do not use a proxy. Default: False
  --password PASSWORD   QTS Password.
  --timeout TIMEOUT     Network timeout in seconds. Default: 6 (seconds)
  --url URL             QTS-based Appliance URL, for example
                        https://192.168.1.1:8080.
  --username USERNAME   QTS User. Default: admin
  -w WARN, --warning WARN
                        Set the warning threshold Memory Usage Percentage.
                        Default: 80

Usage Examples

./qts-memory-usage --url http://qts:8080 --username admin --password linuxfabrik --insecure

Output:

7.33% - total: 62.8GiB, used: 4.6GiB, free: 58.2GiB

States

  • OK if overall memory-usage is below the thresholds.

  • Otherwise CRIT or WARN.

Perfdata / Metrics

Name

Type

Description

memory-usage

Bytes

The overall memory usage.

free

Bytes

The free memory.

total

Bytes

The total memory.

used

Bytes

The used memory.

Credits, License