V1.3 is released

Special thanks for the Pull Request to: @log1-c

Changes:

• Improved output
• Output when the licence is exceeded
• Output when the support licence has expired

V1.2 - published

After tests and various adjustments I have now published the plugin on Github and https://exchange.icinga.com.

The license and backup query work.

In the future, the plugin will be further improved and expanded.
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