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feat(dns): upstream mode (sequential/parallel) & explicit fallback DNS servers, bump 1.3.13

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This commit is contained in:
Dushnilin
2026-09-01 20:49:21 +03:00
parent f55f37f804
commit 8b3c3e365f
16 changed files with 12908 additions and 10284 deletions
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luci-app-tachyon/htdocs/luci-static/resources/view/tachyon/settings.js
+92 -9
View File
@@ -127,15 +127,26 @@ function configureDnsList(option, choices, defaultValue) {
};
}
function configureDnsFailoverVisibility(option, dnsOption, bootstrapOption) {
function configureDnsFailoverVisibility(
option,
dnsOption,
bootstrapOption,
fallbackOption,
) {
option.depends("dns_server", "__tachyon_multiple_dns__");
option.depends("bootstrap_dns_server", "__tachyon_multiple_dns__");
option.retain = true;
option.checkDepends = function (section_id) {
return (
if (
optionListValues(dnsOption, section_id).length > 1 ||
optionListValues(bootstrapOption, section_id).length > 1
);
)
return true;
// Also show when explicit fallback servers are configured
if (fallbackOption) {
return optionListValues(fallbackOption, section_id).length > 0;
}
return false;
};
}
@@ -249,6 +260,7 @@ function configureDnsDuration(
defaultValue,
dnsOption,
bootstrapOption,
fallbackOption,
) {
option.default = defaultValue;
option.rmempty = false;
@@ -259,7 +271,12 @@ function configureDnsDuration(
}
return true;
};
configureDnsFailoverVisibility(option, dnsOption, bootstrapOption);
configureDnsFailoverVisibility(
option,
dnsOption,
bootstrapOption,
fallbackOption,
);
}
function createWatchdogStatusWidget() {
@@ -1328,6 +1345,22 @@ function createSettingsContent(section, capabilities) {
const dnsTypeOption = o;
o = section.taboption(
"dns",
form.ListValue,
"dns_upstream_mode",
_("Upstream Mode"),
_(
"Sequential: failover to the next server after N failures. Parallel: aggressive failover — switches in seconds (1 failure = switch), best if your ISP blocks DoH/DoT.",
),
);
o.value("sequential", _("Sequential (one active at a time)"));
o.value("parallel", _("Parallel (fast failover, ≤3 s)"));
o.default = "sequential";
o.rmempty = false;
const dnsModeOption = o;
const dnsOption = section.taboption(
"dns",
form.DynamicList,
@@ -1361,6 +1394,25 @@ function createSettingsContent(section, capabilities) {
"77.88.8.8",
);
const fallbackDnsOption = section.taboption(
"dns",
form.DynamicList,
"dns_fallback_server",
_("Fallback DNS Servers"),
_(
"Plain-UDP DNS servers used as a last resort when all primary DNS fail. These are always unencrypted (no DoH/DoT). Example: 1.1.1.1, 8.8.8.8. Unlike the ISP fallback toggle, these are your own chosen servers.",
),
);
configureDnsList(fallbackDnsOption, main.BOOTSTRAP_DNS_SERVER_OPTIONS, "");
fallbackDnsOption.rmempty = true;
fallbackDnsOption.default = [];
fallbackDnsOption.validate = function (_section_id, value) {
const normalized = `${value || ""}`.trim();
if (!normalized) return true; // allow empty list
const validation = main.validateDNS(normalized);
return validation.valid ? true : validation.message;
};
dnsTypeOption.onchange = function (_ev, section_id, value) {
const newType = value || "udp";
if (newType === settingsDnsDynamicState.dnsType) return;
@@ -1408,6 +1460,22 @@ function createSettingsContent(section, capabilities) {
);
o.default = o.disabled;
// Timing controls — hidden in parallel mode (auto-configured) and when only one server
function configureTimingVisibility(opt) {
opt.retain = true;
opt.checkDepends = function (section_id) {
// hide when parallel (auto-tuned) unless there are multiple servers
const mode =
uci.get(UCI_PACKAGE, "settings", "dns_upstream_mode") || "sequential";
if (mode === "parallel") return false;
return (
optionListValues(dnsOption, section_id).length > 1 ||
optionListValues(bootstrapOption, section_id).length > 1 ||
optionListValues(fallbackDnsOption, section_id).length > 0
);
};
}
o = section.taboption(
"dns",
form.Value,
@@ -1415,7 +1483,8 @@ function createSettingsContent(section, capabilities) {
_("DNS Check Interval"),
_("How often to check the active DNS servers."),
);
configureDnsDuration(o, "10s", dnsOption, bootstrapOption);
configureDnsDuration(o, "10s", dnsOption, bootstrapOption, fallbackDnsOption);
configureTimingVisibility(o);
o = section.taboption(
"dns",
@@ -1424,7 +1493,8 @@ function createSettingsContent(section, capabilities) {
_("Higher-priority DNS Check"),
_("How often to check whether a higher-priority DNS server has recovered."),
);
configureDnsDuration(o, "60s", dnsOption, bootstrapOption);
configureDnsDuration(o, "60s", dnsOption, bootstrapOption, fallbackDnsOption);
configureTimingVisibility(o);
o = section.taboption(
"dns",
@@ -1435,7 +1505,8 @@ function createSettingsContent(section, capabilities) {
"Maximum time to wait for example.com to resolve during a DNS health check.",
),
);
configureDnsDuration(o, "2s", dnsOption, bootstrapOption);
configureDnsDuration(o, "2s", dnsOption, bootstrapOption, fallbackDnsOption);
configureTimingVisibility(o);
o = section.taboption(
"dns",
@@ -1449,7 +1520,13 @@ function createSettingsContent(section, capabilities) {
o.default = "3";
o.rmempty = false;
o.datatype = "range(1, 10)";
configureDnsFailoverVisibility(o, dnsOption, bootstrapOption);
configureDnsFailoverVisibility(
o,
dnsOption,
bootstrapOption,
fallbackDnsOption,
);
configureTimingVisibility(o);
o = section.taboption(
"dns",
@@ -1463,7 +1540,13 @@ function createSettingsContent(section, capabilities) {
o.default = "3";
o.rmempty = false;
o.datatype = "range(1, 10)";
configureDnsFailoverVisibility(o, dnsOption, bootstrapOption);
configureDnsFailoverVisibility(
o,
dnsOption,
bootstrapOption,
fallbackDnsOption,
);
configureTimingVisibility(o);
o = section.taboption(
"dns",