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feat(healthcheck): HEALTH_TARGET_ADDRESS -> HEALTH_TARGET_ADDRESSES

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- Specify fallback addresses
- Defaults changed from cloudflare:443 to cloudflare:443,github.com:443
- Startup check runs a parallel dial to each of the addresses specified with a global 6s timeout
- Full periodic check cycles through addresses as it fails and moves to retry
This commit is contained in:
Quentin McGaw
2025-11-19 15:41:21 +00:00
parent 03f1fea123
commit 482421dda3
7 changed files with 91 additions and 44 deletions
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2
internal/vpn/tunnelup.go
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@@ -35,7 +35,7 @@ func (l *Loop) onTunnelUp(ctx, loopCtx context.Context, data tunnelUpData) {
if icmpTarget.IsUnspecified() {
icmpTarget = data.serverIP
}
l.healthChecker.SetConfig(l.healthSettings.TargetAddress, icmpTarget)
l.healthChecker.SetConfig(l.healthSettings.TargetAddresses, icmpTarget)
healthErrCh, err := l.healthChecker.Start(ctx)
l.healthServer.SetError(err)