Bryan Boreham 26d8ae0e41 Rules: simplify map key for stale series detection
The rules manager keeps a note of which series were generated by the
last run, so it can write a stale marker to those that disappeared.
Since the keys are not for human eyes, we can use a simpler format
and save the effort of quoting label values.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2021-11-08 22:18:48 +01:00
..
2021-06-12 12:47:47 +02:00