Tony Murray b07b81021a Output image for graphs with no data (#11865)
* Output image for graphs with no data

* add font

* Fix graph error, try to detect rrd missing

* centralize graph_error
use it for graph_text_and_exit()

* Add SVG, right now the text can get a little big...

* fix style
2021-01-13 07:23:47 -06:00
..
2021-01-06 20:18:43 -06:00
2021-01-06 20:18:43 -06:00
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2020-11-03 10:18:31 -06:00
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