Compare commits
1 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 Dai Ha
|
e5cb51a90e |
@@ -39,28 +39,12 @@ import java.util.function.Supplier;
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* keeps the old value until a restart: {@code lifecycle:}, {@code leadHeartbeat:},
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* {@code spawnReadyTimeoutMs} / {@code spawnReadyPollMs}, {@code quarantineCooldownSeconds}
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* (CB-578 stage B — baked once into the {@code BackendQuarantine} built at startup),
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* {@code guard:}, {@code worktreeRoot:} and {@code worktreeGroup:} (both baked once into the
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* {@code GitWorktrees} built at {@code Fleetd.java:251} and never rebuilt — fleetd #323
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* instance 2 found {@code worktreeGroup} missing from this list and from
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* {@link #changedDeferredKeys}), {@code primary:} (fleetd #326 — {@code Fleetd.java:506, 519,
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* 520} read {@code cfg.primary()} only off the startup snapshot to build {@code
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* PrimaryRegistry} and size {@code ReplyPushLoop}'s reminder cap/backoff, and neither is
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* rebuilt on reload; a lead whose pinned terminal changed under a running daemon stays
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* unresolved as primary until a restart), {@code configReload:} (fleetd #326 — {@code
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* Fleetd.java:679-680} read it only at startup to decide whether to build a {@code
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* ConfigWatcher} at all and with what interval; the watcher that would apply a later change is
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* itself built once, so a running watcher keeps polling on its original enabled flag and
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* interval regardless of what a reload changes it to, the same shape as {@code lifecycle} —
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* not cold, because no already-open resource goes inconsistent with the new value, the watcher
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* (if any) simply keeps its old settings), adding or removing a profile (a new backend needs its own launcher,
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* {@code guard:}, {@code worktreeRoot:}, adding or removing a profile (a new backend needs its own launcher,
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* which is constructed once), <em>and an existing profile's launch settings</em> —
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* {@code model}, {@code baseUrl}, {@code argv}, {@code env}, {@code mcpUrl},
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* {@code exhaustedPattern} (CB-578 stage A — compiled once into {@code Fleetd.main}'s
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* pattern map at startup), {@code errorPattern} (fleetd #201 Unit 5 — compiled once into
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* {@code Fleetd.main}'s backend-error pattern map at startup, the same way),
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* {@code ideProjectDir} / {@code ideOpenCommand} / {@code autoCompactWindow} (fleetd #323
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* instance 1 — all three are read at spawn off the same frozen profile map and were missing
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* from {@link #sameLaunchSettings}), and the rest of {@link #sameLaunchSettings}.
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* {@code Fleetd.main}'s backend-error pattern map at startup, the same way), and the rest.
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* {@code credentialId} (CB-578 stage B) is NOT on
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* this list — it is read live off the config supplier at every quarantine check and
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* exhaustion event, exactly like {@code weight} / {@code maxLoad}, so it is hot instead.
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@@ -237,27 +221,6 @@ public final class ConfigRef implements Supplier<FleetConfig> {
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if (!Objects.equals(old.worktreeRoot(), fresh.worktreeRoot())) {
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changed.add("worktreeRoot");
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}
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// Baked into the same GitWorktrees as worktreeRoot (Fleetd.java:251) and never rebuilt
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// either — see the class doc. Missing this check was fleetd #323 instance 2: a reload
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// that changed only worktreeGroup reported "config reloaded" with nothing deferred, and
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// newly provisioned worktrees kept the old sharing behaviour.
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if (!Objects.equals(old.worktreeGroup(), fresh.worktreeGroup())) {
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changed.add("worktreeGroup");
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}
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// fleetd #326: Fleetd.java:506, 519, 520 read cfg.primary() only off the startup snapshot
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// (PrimaryRegistry's pinned terminal, ReplyPushLoop's reminder cap and backoff) — neither is
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// rebuilt on reload, so a changed pin needs a restart before a lead resolves as primary again.
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if (!Objects.equals(old.primary(), fresh.primary())) {
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changed.add("primary");
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}
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// fleetd #326: Fleetd.java:679-680 read cfg.configReload() only at startup to decide whether
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// to build a ConfigWatcher at all and with what interval — the watcher that would apply a
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// later change is itself built once, so a running watcher keeps its original enabled flag and
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// interval regardless of what a reload changes it to. Not cold: no already-open resource goes
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// inconsistent with the new value, a watcher (if any) simply keeps polling on the old settings.
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if (!Objects.equals(old.configReload(), fresh.configReload())) {
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changed.add("configReload");
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}
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if (!Objects.equals(old.spawnReadyTimeoutMs(), fresh.spawnReadyTimeoutMs())
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|| !Objects.equals(old.spawnReadyPollMs(), fresh.spawnReadyPollMs())) {
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changed.add("spawnReady*");
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@@ -302,34 +265,14 @@ public final class ConfigRef implements Supplier<FleetConfig> {
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}
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/**
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* {@link FleetConfig.Profile} record components deliberately left out of
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* {@link #sameLaunchSettings} because they are read <em>live</em>, not baked in at spawn — see
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* the class doc's <em>Hot</em> bullet. {@code weight} and {@code maxLoad} are read live by the
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* placement policy on every spawn; {@code credentialId} is read live by
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* {@code CompositePeerLauncher} and the CB-578 stage B exhaustion sink. Nothing else is
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* excluded — see {@code sameLaunchSettingsComparesEveryProfileComponentOrExcludesIt} in
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* {@code ConfigRefProfileCoverageTest}, which enumerates every {@code Profile} record component
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* by reflection and fails the build if one is neither compared below nor named here.
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* Whether two versions of a profile would launch a peer identically. Compares every component
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* the launcher reads at spawn; {@code weight}, {@code maxLoad} and {@code credentialId} are
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* excluded because those are read live (by the placement policy and, for credentialId, by
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* {@code CompositePeerLauncher}/the CB-578 stage B exhaustion sink) and really do take effect on
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* the next spawn.
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*/
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static final Set<String> LAUNCH_SETTINGS_EXCLUDED = Set.of("weight", "maxLoad", "credentialId");
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/**
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* Whether two versions of a profile would launch a peer identically.
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*
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* <p>This must compare every {@link FleetConfig.Profile} record component except the three in
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* {@link #LAUNCH_SETTINGS_EXCLUDED}. That is not a claim this javadoc can make good on by
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* itself — a javadoc saying "compares every component" is exactly what fleetd #323 found to be
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* false for three fields (and a sibling method's field list, for a fourth). The actual
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* guarantee comes from {@code ConfigRefProfileCoverageTest}: it enumerates every record
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* component of {@code FleetConfig.Profile} by reflection, mutates each one not in
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* {@code LAUNCH_SETTINGS_EXCLUDED} on a base profile, and asserts this method reports a
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* difference — so a new component that is neither compared here nor added to
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* {@code LAUNCH_SETTINGS_EXCLUDED} (with a reason) fails that test by name, rather than
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* silently reporting "config reloaded" for a value the daemon never picked up.
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*/
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static boolean sameLaunchSettings(FleetConfig.Profile a, FleetConfig.Profile b) {
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return Objects.equals(a.profile(), b.profile())
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&& Objects.equals(a.baseUrl(), b.baseUrl())
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private static boolean sameLaunchSettings(FleetConfig.Profile a, FleetConfig.Profile b) {
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return Objects.equals(a.baseUrl(), b.baseUrl())
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&& Objects.equals(a.model(), b.model())
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&& Objects.equals(a.configDir(), b.configDir())
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&& Objects.equals(a.tokenEnv(), b.tokenEnv())
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@@ -355,16 +298,6 @@ public final class ConfigRef implements Supplier<FleetConfig> {
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// fleetd #201 Unit 5: errorPattern is compiled once into Fleetd.main's backend-error
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// pattern map at startup (see BackendErrorPatternLookup wiring), the same way
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// exhaustedPattern is — a reload never re-reads it either.
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&& Objects.equals(a.errorPattern(), b.errorPattern())
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// fleetd #323 instance 1: ideProjectDir and ideOpenCommand are read at spawn off the
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// same frozen profile map as ideMcpUrl above (ClaudeCodeLauncher.java:267/269,
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// OpenCodeLauncher.java:474/480/486) and were missing from this comparison.
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&& Objects.equals(a.ideProjectDir(), b.ideProjectDir())
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&& Objects.equals(a.ideOpenCommand(), b.ideOpenCommand())
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// fleetd #323 instance 1: autoCompactWindow is read at spawn the same way
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// (ClaudeCodeLauncher.java:926, OpenCodeLauncher.java:650). Comparing it here only
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// makes the reload REPORT that a restart is needed — it deliberately does not make
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// autoCompactWindow take effect live, which is a separate, larger change.
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&& Objects.equals(a.autoCompactWindow(), b.autoCompactWindow());
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&& Objects.equals(a.errorPattern(), b.errorPattern());
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}
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}
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@@ -1230,14 +1230,61 @@ public final class MessageService {
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}
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}
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/** Complete and detach an async ticket after its worker's actual terminal reply. */
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/**
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* Complete and detach an async ticket after its worker's actual terminal reply.
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*
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* <p><strong>fleetd #324.</strong> {@code task.turnId} is read into {@code turnId} exactly once.
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* It used to be read twice — once for the null check, once as the removal key — and {@code
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* volatile} makes each of those reads individually fresh but does not make the pair atomic.
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* {@link #answer} calls this while holding {@code sessionLocks} for the target; {@link #ask}'s
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* own timeout path calls {@link #clearAsyncQuestion} (which nulls {@link Task#turnId}) under no
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* lock at all. When that unlocked null-out landed between the two reads here, the second read saw
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* {@code null} and {@code asyncTasksByTurn.remove(null, task)} threw {@code NullPointerException}
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* on the lead's own {@code answer()} call — even though {@code task.future.complete(result)} on
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* the line above had already run, so the answer was in fact delivered. Capturing the field once
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* removes the torn read; see the ticket for why the wider asymmetry between the locked and
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* unlocked sides is not fixed by this alone.
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*/
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private void finishAsyncTask(Task task, Reply result) {
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task.future.complete(result);
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if (task.turnId != null) {
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asyncTasksByTurn.remove(task.turnId, task);
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String turnId = task.turnId;
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if (turnId != null) {
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if (finishAsyncTaskRaceHook != null) {
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// Test-only (fleetd #324): see the field's own javadoc.
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finishAsyncTaskRaceHook.run();
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}
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asyncTasksByTurn.remove(turnId, task);
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}
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}
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/**
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* Null in production; test seam for fleetd #324 — invoked from {@link #finishAsyncTask(Task,
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* Reply)} right after {@code task.turnId}'s null-check passes and before the (now-local) value is
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* used for the removal. A test installs this to force, deterministically, the exact interleaving
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* that a real race between this method and {@link #ask}'s unlocked timeout cleanup can otherwise
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* only produce by chance: firing it here reproduces "the field went null between the check and the
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* use" against the pre-fix code, and demonstrates the fix tolerates it (the captured local is used
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* unconditionally, so a hook that nulls the field afterward cannot affect this call).
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*/
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private volatile Runnable finishAsyncTaskRaceHook;
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/**
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* Test-only (fleetd #324): install {@link #finishAsyncTaskRaceHook}. Package-private so the test,
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* in the same package, can reach it without widening any production API.
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*/
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void setFinishAsyncTaskRaceHookForTest(Runnable hook) {
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this.finishAsyncTaskRaceHook = hook;
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}
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/**
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* Test-only (fleetd #324): run the exact production cleanup {@link #ask}'s own timeout path runs
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* unlocked — {@link #clearAsyncQuestion(String, boolean)} with {@code forgetTurn=true} — so a test
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* can reproduce that specific mutation instead of hand-rolling an approximation of it.
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*/
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void forgetTurnForTest(String turnId) {
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clearAsyncQuestion(turnId, true);
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}
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/** Complete the async ticket correlated to a specific answered turn. */
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private void finishAsyncTask(String turnId, Reply result) {
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Task task = asyncTasksByTurn.get(turnId);
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@@ -1,202 +0,0 @@
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package dev.ltms.fleet.config;
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import org.junit.jupiter.api.Test;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.RecordComponent;
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import java.util.Arrays;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeSet;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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/**
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* fleetd #323: {@code ConfigRef.sameLaunchSettings} javadoc used to claim it "compares every
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* component the launcher reads at spawn". It did not — {@code ideProjectDir}, {@code
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* ideOpenCommand} and {@code autoCompactWindow} were all baked in at daemon startup (see
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* {@code ClaudeCodeLauncher}/{@code OpenCodeLauncher}) and missing from the comparison, so a reload
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* that changed only one of them reported "config reloaded" and the running daemon kept the old
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* value.
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*
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* <p>This class is the mechanism the issue asked for: it enumerates every record component of
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* {@link FleetConfig.Profile} by reflection and proves — by actually mutating a base profile one
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* field at a time and calling the real method — that each component is either compared by
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* {@link ConfigRef#sameLaunchSettings} or named in {@link ConfigRef#LAUNCH_SETTINGS_EXCLUDED} with
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* a reason. A new profile field that is neither fails this test by name, not a hand-maintained list
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* going stale.
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*/
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class ConfigRefProfileCoverageTest {
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private static final RecordComponent[] COMPONENTS = FleetConfig.Profile.class.getRecordComponents();
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/**
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* One valid, non-blank value per record component — "the a value". None of these trip any
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* defaulting/normalization in {@code Profile}'s compact constructor (see {@code
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* FleetConfig.java}), so what goes in is what {@code sameLaunchSettings} sees back out.
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*/
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private static final Map<String, Object> BASE = baseValues();
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/** The same shape, each value distinct from {@link #BASE} — "the b value". */
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private static final Map<String, Object> ALT = altValues();
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private static Map<String, Object> baseValues() {
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Map<String, Object> v = new LinkedHashMap<>();
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v.put("profile", "sonnet");
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v.put("baseUrl", "http://gx00.gw:8000");
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v.put("model", "sonnet");
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v.put("configDir", "/config/a");
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v.put("tokenEnv", "TOKEN_A");
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v.put("argv", List.of("claude", "--flag-a"));
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v.put("placement", "tab");
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v.put("workspace", "workspace-a");
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v.put("tabLabel", "label-a");
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v.put("mcpUrl", "http://mcp-a");
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v.put("cwd", "/cwd/a");
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v.put("parityOverlay", List.of(".env", ".env.a"));
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v.put("gitTokenEnv", "GIT_TOKEN_A");
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v.put("gitHostEnv", "GITEA_HOST_A");
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v.put("kind", "claude-code");
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v.put("env", Map.of("K", "A"));
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v.put("weight", 1.0f);
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v.put("maxLoad", 5);
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v.put("subscription", Boolean.TRUE);
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v.put("exhaustedPattern", "usage limit a");
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v.put("credentialId", "cred-a");
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v.put("ideMcpUrl", "http://ide-mcp-a");
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v.put("ideProjectDir", "modules/a");
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v.put("ideOpenCommand", "open-cmd-a {dir}");
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v.put("autoCompactWindow", 150000);
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v.put("errorPattern", "error a");
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assertNamesMatchComponents(v);
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return v;
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}
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private static Map<String, Object> altValues() {
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Map<String, Object> v = new LinkedHashMap<>();
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v.put("profile", "sonnet-b");
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v.put("baseUrl", "http://gx01.gw:8000");
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v.put("model", "haiku");
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v.put("configDir", "/config/b");
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v.put("tokenEnv", "TOKEN_B");
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v.put("argv", List.of("claude", "--flag-b"));
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v.put("placement", "weighted");
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v.put("workspace", "workspace-b");
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v.put("tabLabel", "label-b");
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v.put("mcpUrl", "http://mcp-b");
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v.put("cwd", "/cwd/b");
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v.put("parityOverlay", List.of(".env", ".env.b"));
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v.put("gitTokenEnv", "GIT_TOKEN_B");
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v.put("gitHostEnv", "GITEA_HOST_B");
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v.put("kind", "opencode");
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v.put("env", Map.of("K", "B"));
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v.put("weight", 2.0f);
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v.put("maxLoad", 9);
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v.put("subscription", Boolean.FALSE);
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v.put("exhaustedPattern", "usage limit b");
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v.put("credentialId", "cred-b");
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v.put("ideMcpUrl", "http://ide-mcp-b");
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v.put("ideProjectDir", "modules/b");
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v.put("ideOpenCommand", "open-cmd-b {dir}");
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v.put("autoCompactWindow", 250000);
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v.put("errorPattern", "error b");
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assertNamesMatchComponents(v);
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return v;
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}
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private static void assertNamesMatchComponents(Map<String, Object> values) {
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Set<String> componentNames = new TreeSet<>();
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for (RecordComponent rc : COMPONENTS) {
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componentNames.add(rc.getName());
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}
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assertEquals(componentNames, new TreeSet<>(values.keySet()),
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"this test's value map has drifted from FleetConfig.Profile's actual components — "
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+ "update BASE/ALT alongside the record");
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}
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private static FleetConfig.Profile profileOf(Map<String, Object> values) throws ReflectiveOperationException {
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Class<?>[] types = Arrays.stream(COMPONENTS).map(RecordComponent::getType).toArray(Class<?>[]::new);
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Object[] args = Arrays.stream(COMPONENTS)
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.map(rc -> values.get(rc.getName()))
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.toArray();
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Constructor<FleetConfig.Profile> ctor = FleetConfig.Profile.class.getDeclaredConstructor(types);
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return ctor.newInstance(args);
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}
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/** {@code BASE} with exactly one named component swapped for its {@code ALT} value. */
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private static FleetConfig.Profile mutate(String componentName) throws ReflectiveOperationException {
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Map<String, Object> values = new LinkedHashMap<>(BASE);
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values.put(componentName, ALT.get(componentName));
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return profileOf(values);
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}
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/**
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* The mechanism fleetd #323 asked for: enumerate {@link FleetConfig.Profile}'s record
|
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* components, mutate each non-excluded one, and prove {@code sameLaunchSettings} actually
|
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* notices — not just that some hand-maintained list claims it does. Prints the denominator
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* (total / compared / excluded) the issue required: a checker that cannot state its own
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||||
* denominator is the failure this repo keeps hitting.
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*/
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@Test
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void sameLaunchSettingsComparesEveryProfileComponentOrExcludesIt() throws ReflectiveOperationException {
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int total = COMPONENTS.length;
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Set<String> excluded = ConfigRef.LAUNCH_SETTINGS_EXCLUDED;
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Set<String> allNames = new TreeSet<>();
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for (RecordComponent rc : COMPONENTS) {
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allNames.add(rc.getName());
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}
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assertTrue(allNames.containsAll(excluded),
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"ConfigRef.LAUNCH_SETTINGS_EXCLUDED names a component that does not exist on "
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+ "FleetConfig.Profile — check for a typo: " + excluded);
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||||
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||||
// The exclusion set is this mechanism's own escape hatch, so it has to be pinned too.
|
||||
// Found by mutation while verifying fleetd #323: moving autoCompactWindow and
|
||||
// ideOpenCommand OUT of the comparison and INTO the exclusion set left the whole suite
|
||||
// green — the loop below simply skips them, and the denominator assertion still balances.
|
||||
// That is exactly the lazy move a failing coverage test invites, and it silently restores
|
||||
// the #323 bug. Only ideProjectDir and worktreeGroup were saved by a behavioural test in
|
||||
// ConfigRefTest; the other two had none. So: growing this set now requires editing this
|
||||
// line as well, which is a visible, deliberate diff rather than a quiet one.
|
||||
assertEquals(Set.of("weight", "maxLoad", "credentialId"), excluded,
|
||||
"ConfigRef.LAUNCH_SETTINGS_EXCLUDED changed. A component belongs in it ONLY if it "
|
||||
+ "is read live off the config supplier, not baked into a launcher at "
|
||||
+ "startup. If you are adding one to silence this test, that is fleetd #323 "
|
||||
+ "happening again: compare it in sameLaunchSettings instead. If it really "
|
||||
+ "is read live, name where it is read and update this assertion.");
|
||||
|
||||
FleetConfig.Profile base = profileOf(BASE);
|
||||
List<String> uncovered = new java.util.ArrayList<>();
|
||||
int compared = 0;
|
||||
for (RecordComponent rc : COMPONENTS) {
|
||||
String name = rc.getName();
|
||||
if (excluded.contains(name)) {
|
||||
continue;
|
||||
}
|
||||
FleetConfig.Profile mutated = mutate(name);
|
||||
if (ConfigRef.sameLaunchSettings(base, mutated)) {
|
||||
uncovered.add(name);
|
||||
} else {
|
||||
compared++;
|
||||
}
|
||||
}
|
||||
|
||||
System.out.printf(
|
||||
"ConfigRef.sameLaunchSettings coverage — %d Profile components total, %d compared, "
|
||||
+ "%d excluded (%s)%n",
|
||||
total, compared, excluded.size(), excluded);
|
||||
|
||||
assertEquals(List.of(), uncovered,
|
||||
"these FleetConfig.Profile components changed but ConfigRef.sameLaunchSettings "
|
||||
+ "reported no difference — add each one to the comparison (it is read at "
|
||||
+ "spawn and baked in until a restart) or to ConfigRef.LAUNCH_SETTINGS_EXCLUDED "
|
||||
+ "with a reason it is genuinely read live: " + uncovered);
|
||||
assertEquals(total, compared + excluded.size(),
|
||||
"every FleetConfig.Profile record component must be either compared or excluded — "
|
||||
+ total + " components, " + compared + " compared, " + excluded.size()
|
||||
+ " excluded");
|
||||
}
|
||||
}
|
||||
@@ -434,142 +434,6 @@ class ConfigRefTest {
|
||||
assertEquals("provider 5xx", ref.get().profiles().get("sonnet").errorPattern());
|
||||
}
|
||||
|
||||
/**
|
||||
* fleetd #323 instance 1: {@code ideProjectDir} is read at spawn off the frozen profile map
|
||||
* (see {@code ClaudeCodeLauncher}/{@code OpenCodeLauncher}) exactly like {@code model}, but was
|
||||
* missing from {@code sameLaunchSettings} — a reload changing only this field used to report a
|
||||
* bare "config reloaded" and the running daemon kept launching with the old value.
|
||||
*/
|
||||
@Test
|
||||
void changingAProfilesIdeProjectDirIsReportedAsDeferred(@TempDir Path dir) throws Exception {
|
||||
Path f = dir.resolve("fleetd.yaml");
|
||||
Files.writeString(f, """
|
||||
bind:
|
||||
host: 127.0.0.1
|
||||
port: 8765
|
||||
herdrSocket: ~/.config/herdr/herdr.sock
|
||||
profiles:
|
||||
sonnet:
|
||||
baseUrl: http://gx00.gw:8000
|
||||
model: sonnet
|
||||
ideProjectDir: fleetd
|
||||
guard:
|
||||
offSubscriptionHosts:
|
||||
- gx00.gw
|
||||
""");
|
||||
ConfigRef ref = refFor(f);
|
||||
|
||||
Files.writeString(f, """
|
||||
bind:
|
||||
host: 127.0.0.1
|
||||
port: 8765
|
||||
herdrSocket: ~/.config/herdr/herdr.sock
|
||||
profiles:
|
||||
sonnet:
|
||||
baseUrl: http://gx00.gw:8000
|
||||
model: sonnet
|
||||
ideProjectDir: fleetd-renamed
|
||||
guard:
|
||||
offSubscriptionHosts:
|
||||
- gx00.gw
|
||||
""");
|
||||
ConfigRef.Outcome out = ref.reload();
|
||||
|
||||
assertTrue(out.applied());
|
||||
assertEquals(1, out.deferred().size(), out.deferred().toString());
|
||||
assertTrue(out.deferred().getFirst().contains("sonnet"), out.deferred().toString());
|
||||
assertTrue(out.deferred().getFirst().contains("launch settings"), out.deferred().toString());
|
||||
// The snapshot still carries the new value — a restart is what makes it take effect.
|
||||
assertEquals("fleetd-renamed", ref.get().profiles().get("sonnet").ideProjectDir());
|
||||
}
|
||||
|
||||
/**
|
||||
* fleetd #323 instance 2: {@code worktreeGroup} is baked into the same {@code GitWorktrees}
|
||||
* as {@code worktreeRoot} (Fleetd.java:251) and never rebuilt, but only {@code worktreeRoot}
|
||||
* was on {@code changedDeferredKeys} — a reload changing only the group reported a bare
|
||||
* "config reloaded" and newly provisioned worktrees kept the old sharing behaviour.
|
||||
*/
|
||||
@Test
|
||||
void changingWorktreeGroupIsReportedAsDeferred(@TempDir Path dir) throws Exception {
|
||||
Path f = dir.resolve("fleetd.yaml");
|
||||
Files.writeString(f, yaml("worktreeGroup: devgroup\n"));
|
||||
ConfigRef ref = refFor(f);
|
||||
|
||||
Files.writeString(f, yaml("worktreeGroup: devgroup2\n"));
|
||||
ConfigRef.Outcome out = ref.reload();
|
||||
|
||||
assertTrue(out.applied());
|
||||
assertEquals(java.util.List.of("worktreeGroup"), out.deferred());
|
||||
assertTrue(out.summary().contains("needs a restart") || out.summary().contains("need a restart"),
|
||||
out.summary());
|
||||
// The snapshot still carries the new value — a restart is what makes it take effect.
|
||||
assertEquals("devgroup2", ref.get().worktreeGroup());
|
||||
}
|
||||
|
||||
/**
|
||||
* fleetd #326: {@code primary} is read only off the startup snapshot — {@code Fleetd.java:506,
|
||||
* 519, 520} feed {@code PrimaryRegistry} and {@code ReplyPushLoop} at construction and neither is
|
||||
* rebuilt on reload — but it was missing from {@link ConfigRef#changedDeferredKeys}, so a reload
|
||||
* that only changed the pinned primary terminal reported a bare "config reloaded" while a lead
|
||||
* whose tab no longer matched stayed demoted to worker.
|
||||
*/
|
||||
@Test
|
||||
void changingPrimaryIsReportedAsDeferred(@TempDir Path dir) throws Exception {
|
||||
Path f = dir.resolve("fleetd.yaml");
|
||||
Files.writeString(f, yaml("""
|
||||
primary:
|
||||
terminal: term-a
|
||||
"""));
|
||||
ConfigRef ref = refFor(f);
|
||||
|
||||
Files.writeString(f, yaml("""
|
||||
primary:
|
||||
terminal: term-b
|
||||
"""));
|
||||
ConfigRef.Outcome out = ref.reload();
|
||||
|
||||
assertTrue(out.applied());
|
||||
assertEquals(java.util.List.of("primary"), out.deferred());
|
||||
assertTrue(out.summary().contains("need") && out.summary().contains("restart"), out.summary());
|
||||
// The snapshot still carries the new value — a restart is what makes it take effect.
|
||||
assertEquals("term-b", ref.get().primary().terminal());
|
||||
}
|
||||
|
||||
/**
|
||||
* fleetd #326: {@code configReload} itself is read only at startup ({@code Fleetd.java:679-680})
|
||||
* to decide whether to build a {@code ConfigWatcher} at all, and with what interval — the watcher
|
||||
* that would apply a later change is itself built once, so it is deferred rather than cold (see
|
||||
* {@link ConfigRef}'s class doc: cold means an already-open resource would go inconsistent with
|
||||
* the new value, and there is no such resource here — a running watcher just keeps polling on its
|
||||
* original enabled/interval until a restart, exactly like {@code lifecycle} or {@code guard}).
|
||||
* Before this fix, turning reload off (or changing its interval) through a reload reported a bare
|
||||
* "config reloaded" — the obvious joke the issue names.
|
||||
*/
|
||||
@Test
|
||||
void changingConfigReloadIsReportedAsDeferred(@TempDir Path dir) throws Exception {
|
||||
Path f = dir.resolve("fleetd.yaml");
|
||||
Files.writeString(f, yaml("""
|
||||
configReload:
|
||||
enabled: true
|
||||
intervalSeconds: 10
|
||||
"""));
|
||||
ConfigRef ref = refFor(f);
|
||||
|
||||
Files.writeString(f, yaml("""
|
||||
configReload:
|
||||
enabled: false
|
||||
intervalSeconds: 30
|
||||
"""));
|
||||
ConfigRef.Outcome out = ref.reload();
|
||||
|
||||
assertTrue(out.applied());
|
||||
assertEquals(java.util.List.of("configReload"), out.deferred());
|
||||
assertTrue(out.summary().contains("need") && out.summary().contains("restart"), out.summary());
|
||||
// The snapshot still carries the new value — a restart is what makes it take effect.
|
||||
assertFalse(ref.get().configReload().isEnabled());
|
||||
assertEquals(30, ref.get().configReload().intervalSeconds());
|
||||
}
|
||||
|
||||
@Test
|
||||
void aFixedRefHasNoFileAndRefusesToReload() {
|
||||
FleetConfig cfg = new FleetConfig(null, null, null, null, null, null,
|
||||
|
||||
@@ -940,6 +940,54 @@ class MessageServiceTest {
|
||||
assertEquals("PR opened: https://example/pulls/42", view.reply());
|
||||
}
|
||||
|
||||
/**
|
||||
* fleetd #324: {@code answer()} holds {@code sessionLocks} for the target and, once the worker's
|
||||
* real terminal reply arrives, calls {@code finishAsyncTask}, which used to read the volatile
|
||||
* {@code task.turnId} twice — once to check it is non-null, once as the key for
|
||||
* {@code asyncTasksByTurn.remove}. {@code ask()}'s own timeout path mutates the same field with no
|
||||
* lock at all. This test does not wait for a real race to land in that narrow window between the
|
||||
* two reads — instead it drives the exact sequence the ticket describes (worker asks, primary
|
||||
* answers, worker's real reply arrives) and, via a package-private test hook wired to fire at
|
||||
* precisely that point, runs the identical production cleanup {@code ask()}'s timeout catch block
|
||||
* runs ({@code clearAsyncQuestion(turnId, true)}) so the field goes {@code null} between the two
|
||||
* reads deterministically rather than by chance.
|
||||
*
|
||||
* <p>What this proves: given that exact interleaving, {@code answer()} must not throw and the
|
||||
* ticket must still resolve to the worker's real reply. What it does not prove: that the
|
||||
* interleaving itself is reachable in production — that is established by reading the code (see
|
||||
* the ticket), not by this test, since forcing it via a hook is not the same as two independent
|
||||
* threads racing on their own schedules.
|
||||
*/
|
||||
@Test
|
||||
void finishAsyncTaskSurvivesTurnIdGoingNullBetweenItsTwoReads() throws Exception {
|
||||
String ticket = messages.sendAsync(T, "task that asks");
|
||||
awaitWaiting();
|
||||
injectDelivery();
|
||||
|
||||
CompletableFuture<MessageService.AskResult> ask =
|
||||
CompletableFuture.supplyAsync(() -> messages.ask(T, "which config?", 5000));
|
||||
MessageService.TaskView asking = awaitTicketPhase(ticket, MessageService.Phase.ASKING);
|
||||
String turnId = asking.turnId();
|
||||
|
||||
// Fire ask()'s own unlocked timeout cleanup at the moment finishAsyncTask has already checked
|
||||
// task.turnId is non-null but has not yet used it — the exact torn-read window fleetd #324
|
||||
// describes.
|
||||
messages.setFinishAsyncTaskRaceHookForTest(() -> messages.forgetTurnForTest(turnId));
|
||||
|
||||
CompletableFuture<MessageService.Reply> answer =
|
||||
CompletableFuture.supplyAsync(() -> messages.answer(turnId, "config.yaml", 5000));
|
||||
assertEquals("config.yaml", ask.get(5, TimeUnit.SECONDS).answer());
|
||||
awaitWaiting(); // answer() opened its own forward waiter for the resumed worker turn
|
||||
|
||||
assertTrue(messages.reply(T, "PR opened: https://example/pulls/42"));
|
||||
|
||||
assertEquals(MessageService.Outcome.REPLIED, answer.get(5, TimeUnit.SECONDS).outcome(),
|
||||
"the lead's own answer() call must not throw because ask()'s timeout cleanup raced it");
|
||||
MessageService.TaskView done = awaitTicketPhase(ticket, MessageService.Phase.DONE);
|
||||
assertEquals("PR opened: https://example/pulls/42", done.reply(),
|
||||
"the ticket must still resolve to the worker's real reply despite the forced race");
|
||||
}
|
||||
|
||||
@Test
|
||||
void unansweredAsyncQuestionReturnsTheTicketToPendingAndReleasesItsTarget() throws Exception {
|
||||
String ticket = messages.sendAsync(T, "task that asks");
|
||||
|
||||
Reference in New Issue
Block a user