Make stale checks visually obvious

[auxesis]

On first glance everything above looks great.

Then if you look closer, the "Last Update" column actually says the check results are > 1 month old. 😵

We should colour cells in the "Last Update" column with stale data red.

There should also be an alert at the top of the page explaining there are stale checks below.

[jessereynolds]

Sounds good.

What threshold do you think we should use to determine staleness? (5 minutes? 1 hour? ... What if you have a check that only runs once a day?)

Maybe brown rather than red?

[jessereynolds]

Random thought - perhaps we could increase the intensity of the colour (or darken the colour) based on age?

[auxesis]

👍

[blalor]

Is there a provision for triggering a notification based on a stale check?

[jessereynolds]

Is there a provision for triggering a notification based on a stale check?

Currently no, however we are talking about implementing something to achieve this. @auxesis has some notes on this which will go into a new issue shortly.

[auxesis]

@blalor see #507.

[blalor]

I'm subscribed to it. :-)

[SarahRiley]

Duplicate of #506