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[2026] split 2026 to tachy hosts

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This commit is contained in:
Devin Zuczek
2026-10-20 21:21:24 -04:00
parent affdcb85e3
commit ed45f38137
6 changed files with 106 additions and 15 deletions
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apps/match/src/match.app.ts
+28 -9
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@@ -43,6 +43,7 @@ import {
MatchmakingErrorCode,
MessageType,
MOST_ACTIVE_CLUBHOUSE_LIMIT,
parseGameBuilds,
putPlayerSettingsIfChanged,
readPlayerSettings,
recordRoomVisit,
@@ -254,10 +255,24 @@ const ROLLOUT_TACHYON_SERVER_ID_PREFIX = 'rollout-'
interface TachyonCaller {
/** The account's `isSandbox` flag. */
isSandbox: boolean
/** Running a build under staged rollout (`rolloutGameBuilds`, off the token's `rn.ver`). */
/** Running a build served the rollout pool (`tachyonRolloutGameBuilds`, off the token's `rn.ver`). */
isRollout: boolean
}
/**
* The builds served the rollout Tachyon pool: the operator's `TACHYON_ROLLOUT_GAME_VERSIONS`
* when set (`off` for none), otherwise the builds under staged rollout
* ({@link rolloutGameBuilds}, the same list `auth` gates sign-in on). The override exists
* because the two lists part ways at general availability: `ROLLOUT_GAME_VERSIONS=off`
* opens the new build to everyone, and without this it would also move every player on it
* onto the live voice servers. Entries are reduced to builds by {@link parseGameBuilds},
* so `20260323.14` lists the same build as `20260323`, and the caller's version is
* compared the same way by {@link isRolloutGameVersion}.
*/
function tachyonRolloutGameBuilds(env: Env): string[] {
return parseGameBuilds(env.TACHYON_ROLLOUT_GAME_VERSIONS) ?? rolloutGameBuilds(env)
}
/**
* The pool the caller's instance is picked out of — one of three, each the same
* comma-separated list, with selection inside it the same instance-id round-robin
@@ -265,10 +280,12 @@ interface TachyonCaller {
*
* - `TACHYON_HOST_PORT_SANDBOX` for a SANDBOX account, which runs against its own servers
* apart from the live pool;
* - `TACHYON_HOST_PORT_ROLLOUT` for a caller on a build under staged rollout — the build
* `auth` only lets Discord supporters sign in on, which gets its own voice servers while
* it rolls out. Sessions are already split by build ({@link callerGameVersion}), so a
* rollout instance's players are all on that build and all land here together;
* - `TACHYON_HOST_PORT_ROLLOUT` for a caller on a build in {@link tachyonRolloutGameBuilds}
* — by default the build under staged rollout, which `auth` only lets Discord supporters
* sign in on and which gets its own voice servers while it rolls out;
* `TACHYON_ROLLOUT_GAME_VERSIONS` keeps a build there after the gate opens. Sessions are
* already split by build ({@link callerGameVersion}), so a rollout instance's players
* are all on that build and all land here together;
* - `TACHYON_HOST_PORT`, the live pool, for everyone else.
*
* Sandbox wins when both apply: a sandbox account on the rollout build is still a sandbox
@@ -3217,8 +3234,10 @@ const app = new Hono<App>()
'…). Both are empty when the pool is unset or the caller is in no instance. A',
'sandbox account is picked out of the `TACHYON_HOST_PORT_SANDBOX` pool instead, the',
'same way, with ids `dev-1`, `dev-2`, …; a caller whose token’s `rn.ver` is a build',
'under staged rollout (`ROLLOUT_GAME_VERSIONS`, by default `20260323`) out of',
'`TACHYON_HOST_PORT_ROLLOUT`, with ids `rollout-1`, `rollout-2`, …. Sandbox wins when',
'under staged rollout (`ROLLOUT_GAME_VERSIONS`, by default `20260323`; or whatever',
'`TACHYON_ROLLOUT_GAME_VERSIONS` names instead, so a build can keep its own voice',
'servers after its rollout ends) out of `TACHYON_HOST_PORT_ROLLOUT`, with ids',
'`rollout-1`, `rollout-2`, …. Sandbox wins when',
'both apply, and either special pool left unset falls back to the live one.',
'`experiments` carries the client’s networking flags.',
].join(' '),
@@ -3261,11 +3280,11 @@ const app = new Hono<App>()
const account = await getAccount(c.env.DB, id)
// The instance's server, the same one every other player in it is handed — except
// that a SANDBOX account is picked out of the sandbox pool, and a caller on a
// rollout build out of the rollout pool, instead of the live one.
// rollout-pool build out of the rollout pool, instead of the live one.
const tachyon = tachyonServerFor(
tachyonPoolFor(c.env, {
isSandbox: account?.isSandbox === true,
isRollout: isRolloutGameVersion(await callerVersion(c), rolloutGameBuilds(c.env)),
isRollout: isRolloutGameVersion(await callerVersion(c), tachyonRolloutGameBuilds(c.env)),
}),
roomInstanceId
)