tailscale

Author	SHA1	Message	Date
Dave Anderson	0968b2d55a	prober: support adding key/value labels to probes. (#4250 ) prober: add labels to Probe instances. This allows especially dynamically-registered probes to have a bunch more dimensions along which they can be sliced in Prometheus. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	a09c30aac2	prober: refactor probe state into a Probe struct. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	19f61607b6	prober: run all probes once on initial registration. Turns out, it's annoying to have to wait the entire interval before getting any monitorable data, especially for very long interval probes like hourly/daily checks. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago
David Anderson	e41a3b983c	prober: library to build healthchecking probers. Signed-off-by: David Anderson <danderson@tailscale.com>	4 years ago