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feat(healthcheck): combination of ICMP and TCP+TLS checks (#2923)

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- New option: `HEALTH_ICMP_TARGET_IP` defaults to `0.0.0.0` meaning use the VPN server public IP address.
- Options removed: `HEALTH_VPN_INITIAL_DURATION` and `HEALTH_VPN_ADDITIONAL_DURATION` - times and retries are handpicked and hardcoded.
- Less aggressive checks and less false positive detection
This commit is contained in:
Quentin McGaw
2025-10-17 01:45:50 +02:00
committed by GitHub
parent 340016521e
commit 85890520ab
25 changed files with 722 additions and 366 deletions
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8
internal/configuration/settings/deprecated.go
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@@ -9,9 +9,11 @@ import (
func readObsolete(r *reader.Reader) (warnings []string) {
keyToMessage := map[string]string{
"DOT_VERBOSITY": "DOT_VERBOSITY is obsolete, use LOG_LEVEL instead.",
"DOT_VERBOSITY_DETAILS": "DOT_VERBOSITY_DETAILS is obsolete because it was specific to Unbound.",
"DOT_VALIDATION_LOGLEVEL": "DOT_VALIDATION_LOGLEVEL is obsolete because DNSSEC validation is not implemented.",
"DOT_VERBOSITY": "DOT_VERBOSITY is obsolete, use LOG_LEVEL instead.",
"DOT_VERBOSITY_DETAILS": "DOT_VERBOSITY_DETAILS is obsolete because it was specific to Unbound.",
"DOT_VALIDATION_LOGLEVEL": "DOT_VALIDATION_LOGLEVEL is obsolete because DNSSEC validation is not implemented.",
"HEALTH_VPN_DURATION_INITIAL": "HEALTH_VPN_DURATION_INITIAL is obsolete",
"HEALTH_VPN_DURATION_ADDITION": "HEALTH_VPN_DURATION_ADDITION is obsolete",
}
sortedKeys := maps.Keys(keyToMessage)
slices.Sort(sortedKeys)