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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

Fact Value
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 Windows No

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, --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, --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