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95a135ead1
Adds logic for containerboot to signal that it can't auth, so the
operator can reissue a new auth key. This only applies when running with
a config file and with a kube state store.
If the operator sees reissue_authkey in a state Secret, it will create a
new auth key iff the config has no auth key or its auth key matches the
value of reissue_authkey from the state Secret. This is to ensure we
don't reissue auth keys in a tight loop if the proxy is slow to start or
failing for some other reason. The reissue logic also uses a burstable
rate limiter to ensure there's no way a terminally misconfigured
or buggy operator can automatically generate new auth keys in a tight loop.
Additional implementation details (ChaosInTheCRD):
- Added `ipn.NotifyInitialHealthState` to ipn watcher, to ensure that
`n.Health` is populated when notify's are returned.
- on auth failure, containerboot:
- Disconnects from control server
- Sets reissue_authkey marker in state Secret with the failing key
- Polls config file for new auth key (10 minute timeout)
- Restarts after receiving new key to apply it
- modified operator's reissue logic slightly:
- Deletes old device from tailnet before creating new key
- Rate limiting: 1 key per 30s with initial burst equal to replica count
- In-flight tracking (authKeyReissuing map) prevents duplicate API calls
across reconcile loops
Updates #14080
Change-Id: I6982f8e741932a6891f2f48a2936f7f6a455317f
(cherry picked from commit 969927c47c3d4de05e90f5b26a6d8d931c5ceed4)
Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>
Co-authored-by: chaosinthecrd <tom@tmlabs.co.uk>
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| .. | ||
| egressservices_test.go | ||
| egressservices.go | ||
| forwarding.go | ||
| ingressservices_test.go | ||
| ingressservices.go | ||
| kube_test.go | ||
| kube.go | ||
| main_test.go | ||
| main.go | ||
| serve_test.go | ||
| serve.go | ||
| settings_test.go | ||
| settings.go | ||
| tailscaled.go | ||
| test_tailscale.sh | ||
| test_tailscaled.sh | ||