Gitea #47: `xcecli jobs submit -R "rusage[mem=100000000a0]"` was accepted
with a normal "Job <...> is submitted" reply. The apiserver only
length-checked resreq; the real PEG grammar ran later, asynchronously, in
the scheduler's core_build_job(), which logged a server-side WARN and
dropped the job -- it then sat PEND forever with no sign of why.
- libxce: xce_check_rusage_syntax(resreq, &errmsg) runs parse_rusage() on
every rusage[...] clause (extracted the way section.peg does: up to the
first ']'), so primary, compound and alternative requests are all
covered. No resource manager needed, so select[]/order[] resource names
are still only checked by the scheduler (the documented scope).
- apiserver/backend: ValidateResreqSyntax() cgo wrapper (resreq_check.go);
the !cgo stub returns nil (no job can be submitted without CGO anyway).
- controllers/jobs.go preCheckJobRequest(): calls it after the length
check via a package var, so a malformed request is refused up front.
Tests: lib test_check_rusage_syntax (RED before: the reported input was
accepted) and backend TestValidateResreqSyntax (RED before) through the
real grammar; controllers TestPreCheckJobRequest_RejectsMalformedResreq
checks the call site with an injected validator (written with the call
site, so no separate RED). libxce, apiserver backend (cgo) and controllers
tests pass. apiserver/middleware TestLoadJobs fails here and on the
baseline alike: it needs a live apiserver on :8080.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
ControlJob() set xce_jobctrl_t.action to the job_ctrl_type_t action code
(kill/stop/resume/checkpoint), but that field is actually the capnp
JobControl_u_which union discriminant -- a different enum entirely. This
made kill/resume/checkpoint hit request.c's -EINVAL default case, and made
stop collide with the checkpoint discriminant and read through the wrong
union member. Live-verified against a real deployed cluster: kill/stop/
resume/checkpoint now behave correctly with no apiserver crash.
Also additively accept a human-readable job ID ("{cluster}-{apiserver}-
{timestamp}-{seq}") on the job control endpoint, alongside the existing
numeric form xcecli already translates to -- lets a caller hit the REST
API directly without reimplementing xcecli's ID packing. Live-verified via
a direct curl call with the human-readable ID.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Hb6Edtj4KbS8CrgEWYdA2E
modelJobToSubmit() never set job_startinfo_t.execuser when converting
a submitted job to the C struct sent to the controller/worker, so
every job ran as the worker's 'nobody' default and failed to exec
(exit 126). Default execuser to the submitting user via a new
resolveExecUser() pure helper, and free the newly allocated C string.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Hb6Edtj4KbS8CrgEWYdA2E
NJOBS/RUN/SSUSP/USUSP (xcecli hosts list -l) and EXEC_HOST (xcecli jobs
list) always showed a hardcoded 1 slot per host regardless of a job's
actual per-host allocation -- rawJobToModel()'s ExecHosts JSONB builder
never read the real per-host "slots" resource from the C job allocation,
so the already-correct downstream slot-counting logic (computeHostSlotUsage,
bug-1743) and EXEC_HOST's "N*host" formatter never had real data to work
with. convert.go now extracts each host's real slots allocation via a new
CGO indexing helper, mirroring the scheduler's own get_nslots_in_alloc()
convention.
Also wires hosts list -l's "CURRENT LOAD USED FOR SCHEDULING" table (tmp/
swap/mem/slots and friends) to the host's real live resource values --
previously entirely hardcoded placeholder strings, never connected to any
backend data.
The terminal step: src/frontend/Makefile (194 lines, the second,
independently-maintained build/test path this whole spec exists to
eliminate) is deleted. Re-ran the full task 4.1 validation suite with
the file genuinely absent (build, meson test --suite apiserver, and
-- going beyond citing task 3.5 -- a real live run-resource-verify.sh
end-to-end run: VERDICT result=PASS, closing design.md's Testing
Strategy "Discovery-path regression" check specifically). Full-repo
sweep: 181 hits, zero unaccounted, byte-identical to task 4.1's
non-Makefile hits (the only delta is the Makefile's own 8
self-referential lines, now gone since the file doesn't exist).
Independently re-verified by the task reviewer.
Meson is now the single build/test system for apiserver and xcecli.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg
Comment-only edits in 4 files: test_ha_bootstrap.c/test_ha_ctrlhello.c
rename their "make test-integration" pointers to reference the
regression suite (tests/regression/run.sh) directly; apiserver/xcecli
cmd/main.go drop the Makefile clause from their ldflags-injection
comments, keeping only src/tools/go_build. Zero production/test
logic changed -- verified via full controller unit-test suite rerun
(1261 tests, 0 failures) and xcecli build.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg
Removes every live current-fact reference to src/frontend/Makefile
targets or Makefile-specific fixed paths across 11 docs (steering,
frontend/CLAUDE.md, root CLAUDE.md, deployment docs, and two skill
docs), replacing with the Meson-based equivalents established by
tasks 1-3.2: /xce-build apiserver, meson test --suite apiserver,
direct tests/regression/run.sh invocation.
Round-1 review rejected the first pass: xce-deploy-ha/SKILL.md had
over-corrected by deleting all mention of deploy-ha.sh's still-real
/tmp/apiserver legacy fallback (that script's discovery logic is
unchanged, unlike run-resource-verify.sh's, which genuinely lost its
fallback in task 3.1 -- xce-test-resources/SKILL.md's identical-
looking edit was correct for that reason). Fixed by restoring an
accurate, Makefile-free description of the real fallback at all four
touched sites. Re-reviewed and approved.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg
Rewords deploy-ha.sh's block comment and two fallback echo lines, and
run.sh's XCE-not-found error, to stop naming the now-deleted
Makefile's build-server/build-cli targets, pointing at /xce-build
apiserver instead. Discovery/control-flow logic in both files is
unchanged (verified line-by-line: no if/elif/else lines touched);
run.sh's XCE default placeholder is untouched by design.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg
Adds a new `test('apiserver backend', ...)` in apiserver/meson.build
reusing the existing apiserver_cgo_deps-derived CGO flags (resolving
their @CURRENT_SOURCE_DIR@/@BUILD_ROOT@ placeholder tokens via
Meson's own .replace(), since this target invokes go_compiler
directly rather than through tools/go_build). Adds timeout: 300
(matching the existing controller test's convention) since a
cold-cache CGO+ASAN build exceeds Meson's 30s default.
Verified cold and warm cache; confirmed CGO_ENABLED=1 selects the
real backend/ CGO path, not the //go:build !cgo stub.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XYdtrEWWZfKRRGED7raEYg
The Nix build previously fetched Go modules from goproxy.cn and Python
build deps from PyPI during the build phase, relying on network leaking
into the sandbox. This is non-reproducible and breaks whenever the
sandbox resolver is unreachable (e.g. pc13v's loopback dnsmasq).
Go:
- Vendor all three modules (frontend/apiserver, frontend/xcecli,
autoscaler/providers/baidu/src/bcctool) and commit vendor/ trees.
- tools/go_build now builds with GOFLAGS=-mod=vendor and GOPROXY=off
instead of GOPROXY=https://goproxy.cn.
Python (xceadmin):
- Add setuptools + wheel to xce.nix nativeBuildInputs.
- meson-build.sh installs with pip --no-build-isolation --no-index
--no-deps so no PyPI access happens at build time.
xceadmin install script:
- Invoke meson-install.sh via find_program('bash') instead of relying
on its #!/usr/bin/env bash shebang, which fails in the Nix install
sandbox (no /usr/bin/env -> 'could not be run').
Cleanup:
- Drop now-unneeded cacert and impureEnvVars=[HOME] from xce.nix and
xcecli.nix (they only existed to enable the impure network fetch).
Docs:
- README build guide: drop '--option sandbox false' from nix build /
nix bundle commands, note the build is now hermetic, and document the
go mod vendor + git add vendor/ maintenance workflow.
Verified: nix build .#xcecore, .#xcecore_debug, .#xcecli, and .#xce all
succeed with the sandbox enabled.
xcecli hosts list showed NUM_RUN/NUM_SSUSP/NUM_USUSP as always 0 --
the fields existed on HostInfo and were displayed, but nothing ever
assigned them. processHostData now derives per-host slot usage from
the live job store (exec_hosts + job_status), counting occupied slots
so the numbers are comparable to MAX_SLOT.
Partial fix for gitea#46 / bug-1743: the separate "dispatch stops at
8/16" question needs the reporter's live limits.yaml/pend-reason to
confirm a usergroup/queue slot limit, not addressed here.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Y4M5MJM2zK6nU43da267Ku
xcecli jobs kill/stop/resume/checkpoint failed for every job with an
empty error body. models.JobInfo.JobStatus/.ArrayIdx are plain Go
`int`, but validateJobControl/foundJob asserted them as `int64` via a
bare type assertion, which always panicked; Gin's Recovery()
middleware swallowed the panic and returned an empty 500.
Fixes gitea#45 / bug-1742.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Y4M5MJM2zK6nU43da267Ku
apply_committed_entry() (persist.c), the single seam that applies every
committed WAL entry, only ever fired the generic HOOK_DETAIL_JOB_UPDATE
for job-state changes -- HOOK_DETAIL_JOB_START/JOB_EXIT were
permanently dead code, since job.c only ever fires them at
HOOK_BEFORE_EVENT (for WAL-append purposes). This left sched_job_start_
fun/sched_job_exit_fun (sched.c) and apiserver_job_start_fun/
apiserver_job_exit_fun (apiserver.c) unreachable, and the Go apiserver's
already-wired OnJobFinished handler permanently starved of data -- a
finished job's state could stay stuck (e.g. showing RUN) in the
scheduler's own view and the apiserver never learned a job finished.
The wire format was already enriched by bug-1697/bug-1689 with the
pidinfo/exit_info data these hooks need, so this closes the gap rather
than requiring new wire work. WAL_JOB_FINISH now fires
HOOK_DETAIL_JOB_EXIT; WAL_JOB_START now fires HOOK_DETAIL_JOB_START,
gated on a call-scoped decode flag rather than the transition result
(WAL_JOB_START applies as a no-op duplicate for every real job in
production per bug-1697, so gating on the transition result would make
it dead code again). WAL_JOB_FAIL -> HOOK_DETAIL_JOB_FAIL has the same
gap and is left as a follow-up.
Also includes this investigation's supporting changes: a DEBUG3 log-
retention bump (main.c, both controller and scheduler) so race-condition
evidence survives a live burst without rotating out, and DEBUG3-gated
diagnostic trace logging at the two points a job-update notification
can fire or silently drop (job.c, sched.c).
Live-verified end to end on a real deployed cluster: scheduler-side
sched_job_state_change now fires for RUN and EXIT states, and the
apiserver's OnJobFinished -- previously never invoked in production --
now correctly updates job status on completion.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019QxaSzHRB7pmYFp4cVnwkA
FilterRows routed ANY condition on job_status/host_status through
MatchesBitmaskCondition based purely on the field name, regardless of
the condition's actual operator. MatchesBitmaskCondition only
implements OpEQ/OpNE (the only two shapes buildIntCondition's in/notin
bitmask branch ever produces) and silently returns false for anything
else -- so xcecli's `-a` flag, which builds `{job_status:notnull:}`
(Operator: OpNOTNULL), matched zero rows unconditionally. `xcecli jobs
list -a` showed "no job found" even when jobs genuinely existed and
were correctly queryable through every other view.
FilterRows now requires the operator to actually be OpEQ/OpNE before
taking the bitmask path; any other operator on these fields correctly
falls through to the generic MatchesCondition evaluator, which already
implements OpNOTNULL/OpISNULL correctly -- no changes needed to either
evaluator itself, only the dispatch condition.
New query_test.go (no test file existed for this package before):
TestFilterRows_JobStatusNotNull_MatchesRealRows reproduces the bug
(independently confirmed RED: 0 of 3 rows matched) and
TestFilterRows_JobStatusBitmaskEQ_StillWorks locks in that the actual
bitmask shape used by every other status flag is unaffected. Live-
verified: `xcecli jobs list -a` now correctly shows jobs across every
status, immediately, no restart needed.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
modelJobToSubmit/freeJobSubmit (submit direction) and
cJobToModel/cJobArrayToModels (receive direction, both single-job and
array-job paths) now carry from_host across the CGO boundary.
rawSubmitData/rawJobToModel (the pure-Go, CGO-free mapping layer) gain
the field too, completing the round-trip so JobInfo.FromHost reflects
whatever the controller actually has -- which, as of the prior two
commits, is now always the client-asserted hostname. backend/handler.go
needs no change: its existing blind overwrite in OnJobUpdated is
correct by construction once every controller push genuinely carries
the right value.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
CreateJob now does FromHost: req.FromHost, a straight passthrough of
whatever xcecli (or any other client) sends in JobSubmitRequest.FromHost,
instead of deriving it server-side via ctx.ClientIP().
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
JobSubmitRequest gains a FromHost field, populated in BuildJobRequest()
via os.Hostname(). Matches how traditional batch schedulers report the
submitting host, and sidesteps having the server derive it from the
connection (which apiserver was doing via ctx.ClientIP() -- an IP not
a hostname, and spoofable via X-Forwarded-For since this apiserver
never configures gin's TrustedProxies).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
OnHostConfigUpdated only applied config-sourced fields (MaxSlot,
HostModel, HostType, DisptWindow) onto a host whose name exact-matched
an entry already in the store. hosts.yaml commonly defines only a
wildcard "default" entry, so a dynamically-joined worker never
received its own config push and MaxSlot stayed at Go's zero-value
forever -- decoupled from the C-side scheduling path, which already
resolves the real value via worker.c's wildcard fallback.
The "default" pseudo-host's config is now cached and retroactively
backfilled onto any registered host with no explicit config of its
own, in either arrival order (config-before-worker or
worker-before-config). The -1 HOSTCONFIG_MXJ_AUTO_DETECT sentinel
(bug-1556) is resolved to the host's real NumCPUs when applied via
fallback, mirroring worker.c's own resolution, so the display shows
usable capacity rather than a bare -1.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
GetJobsInfo/GetJobByIDs validated the -o/-l field list against
models.JobSubmitRequest{} -- the job-submission payload -- instead of
models.JobInfo{}, the query/response model (the already-correct
pattern used elsewhere in this file at line 1131). Response-only
fields like pending_reason don't exist on JobSubmitRequest, so any
such field made the whole listing fail outright with "unsupported
query field", not just omit that column.
core_limit/mem_limit exist on JobSubmitRequest but not on JobInfo --
switching wholesale would have newly broken those two previously-valid
fields. Added CoreLimit/MemLimit to JobAdditionalFields, the existing
merge-in bucket already used for pids/pgids/interactive_job_url.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
ExtractErrorMessage()'s connection-refused branch returned the bare
OS error string verbatim. A CLI call right after apiserver startup
(before its listener is up) surfaced a raw "get the request failed:
[connection refused]" with no indication it's a transient startup
race, not a real failure.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AgYRU3zDTqNGV5Jk8aiKLg
Adds DirtyFingerprint var and composeVersionDisplay() helper to
xcecli/cmd/main.go, a logical duplicate of apiserver's just-approved
implementation (task 4.4, same anchored strings.TrimSuffix strip-and-
append rule). Applied at the sole consumption point: the version string
fed into router.Execute(cm, version), which sets Cobra's rootCmd.Version.
router.go is untouched -- xcecli has no startup log to protect, already
established out of scope by the original build-time-versioning feature.
New main_test.go covers the same 6 cases as apiserver's tests. Verified
independently by review (including a second, independent mutation test)
with real builds across all 3 required scenarios and a full xcecli module
test suite run showing no regressions.
This completes all Go binary work (tasks 4.1-4.5) for this spec.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds DirtyFingerprint package var (default "") and a composeVersionDisplay()
helper implementing the same strip-and-append rule as the C daemons: strips
a trailing -dirty from GitCommit and appends -<fingerprint> when available,
via a genuine anchored strings.TrimSuffix, not a blind substring replace.
GitCommit's declaration and the logger.Info startup-log call site (with its
zap fields) are completely untouched.
New main_test.go covers 6 cases via table-driven tests. Verified independently
by review, including a self-constructed mutation test (distinct from the
implementer's own) proving the anchored-suffix regression test is genuinely
meaningful, a real build across all 5 ldflags scenarios, and a live daemon
startup-log capture confirming no leak into the log even on the same binary
whose -version output shows the fingerprint.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds an independent DIRTY_FINGERPRINT computation to src/frontend/Makefile,
mirroring xce-build.sh's task 2.1 algorithm exactly, wired into
VERSION_LDFLAGS as -X main.DirtyFingerprint=. GIT_COMMIT/GIT_STATUS/
BUILD_TIME (including GIT_COMMIT's own -dirty suffix) are completely
untouched.
This took two rejected review rounds to get the failure-detection right:
round 1 found a `{ git diff HEAD; ...; } >file` grouped command whose exit
status only reflected the last command, silently swallowing a git diff
failure and fabricating a hash from incomplete data. Round 2 found the
identical bug class one step further down (git ls-files | sort | xargs
cat's pipe swallowing an ls-files failure). Fixed by pulling git ls-files
out of the pipe into its own directly-redirected, individually-checked
step, deliberately chosen over `set -o pipefail;` (which also worked)
because this repo's own build-deployment.md documents a past incident of
code silently relying on /bin/sh happening to be bash with no SHELL:=bash
pin.
One narrow, explicitly-disclosed residual gap remains (a sort-only
failure, not cat, in the trailing pipe) and was assessed as acceptable
low risk after independent verification across three review rounds.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Both apiserver/meson.build and xcecli/meson.build add
XCE_DIRTY_FINGERPRINT=get_option('dirty_fingerprint'), unquoted,
identically positioned to the existing XCE_GIT_COMMIT/XCE_BUILD_TIME
entries.
Verified independently by review with a distinct test value: fresh
configure + real ninja builds of both binaries confirm the value reaches
go build's actual invocation (visible in go version -m's recorded -ldflags
build setting), matches the C-side -DVERSION_DIRTY_FINGERPRINT= from the
same configure, and degrades to empty identically to the two pre-existing
vars when omitted.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Adds GitCommit/BuildTime vars to xcecli's main.go. Cobra's rootCmd is
declared unexported in router.go (a different file than the task's
original main.go-only boundary), so main.go can't reach it directly --
resolved by extending router.go's sole exported entry point,
Execute(cm, version), to accept the composed version string and set
rootCmd.Version before rootCmd.Execute() runs. Cobra then auto-registers
--version/-v natively once rootCmd.Version is non-empty (confirmed via
reading Cobra v1.9.1 source directly) -- zero additional flag-parsing
code, as designed.
Live-verified via both build paths (meson xce-build.sh and make
build-cli): real commit id (matching git rev-parse --short HEAD plus
dirty suffix) and build time, exit 0.
xcecli's startup log deliberately not extended -- Requirement 3 scopes
that to the four daemons only; xcecli is a one-shot CLI. Corrects a
stale design.md line that had assumed otherwise.
Task 4.5/13 -- closes out the Go binary version display phase (tasks
4.1-4.5).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Declares GitCommit/BuildTime package vars (default "unknown", target of
task 4.1's -ldflags -X injection), a -version flag checked before
utils.PromptForTopDir()/InitLogger() (zero filesystem side effects), and
extends the existing "Initialize Logger done!" startup log line with
zap.String structured fields carrying both values, per design.md's
explicit mandate.
Live-verified end to end: -version output and the startup log's first
line are byte-identical, with a real commit id (matching
git rev-parse --short HEAD plus dirty suffix) and UTC timestamp -- the
first full round-trip proof in this spec (earlier Go tasks could only
verify via linked build-info metadata, since no consuming vars existed
yet).
Task 4.4/13 of build-time-versioning.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Dev-loop Go build path (no meson involved) now computes commit id (git,
-dirty suffixed, "unknown" on git failure) and build time (UTC date) via
Make := (computed once per invocation), passing the identical -ldflags
shape go_build (task 4.1) already establishes.
Live-verified: make build-cli embeds real, git-matching values (go
version -m). make build-server hits a pre-existing, unrelated CGO
failure (bug-1597, missing CGO_CFLAGS/CGO_LDFLAGS) -- confirmed via
stash A/B that this reproduces identically on the unmodified Makefile,
not a regression from this change. Reproduced apiserver's build
invocation manually with bug-1597's own documented workaround to prove
the ldflags mechanism itself works correctly.
Task 4.3/13 of build-time-versioning.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
apiserver/meson.build and xcecli/meson.build now pass
XCE_GIT_COMMIT/XCE_BUILD_TIME (from the project's commit_id/build_time
meson options) into go_build's environment, mirroring the existing
CURRENT_SOURCE_DIR/BUILD_ROOT env-passing mechanism. Deliberately
unquoted: go_build's fix_input_envs() only quote-strips
CURRENT_SOURCE_DIR/BUILD_ROOT, not these two -- quoting them would embed
literal quote characters and corrupt the -ldflags argument.
Live-verified: real values (matching git rev-parse --short HEAD plus
dirty suffix, and a real UTC timestamp) reach go build's actual
invocation and are embedded in both binaries' Go build-info metadata.
No main.GitCommit/main.BuildTime symbols exist in either binary yet
(confirmed via go tool nm) since apiserver/xcecli's main packages don't
declare those vars until tasks 4.4/4.5 -- expected, this task's scope is
the env-var plumbing only.
Task 4.2/13 of build-time-versioning.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Two retrospective design-review findings:
- design.md's System Flows sequence diagram showed the controller-layer
resval check as an independently-launched client session, implying no
dependency on the injecting worker staying connected. As-built (bug-1579),
host-attrs resources reset to baseline the instant the worker disconnects,
so the check actually runs nested inside the still-open worker session via
xce_test's `!` shell-escape. Updated the diagram and prose to show this,
and documented the still-open residual risk for custom host-attrs
resource names in Error Handling.
- Added explicit "do not change this format" warning comments at both
trace-log call sites (core_events.c's RESVALS_DELTA case, apiserver's
OnResourceLocationUpdated) that xce-test-resources' log-grep depends on --
an unrelated logging cleanup at either site would otherwise silently turn
every future verification run into a false UNREACHABLE/timeout.
No behavior change in either source file -- comments only.
One logger.Debug("resource-location stored", ...) call in
OnResourceLocationUpdated, immediately after store.ResourceLocations.Put,
logging resource/host/value as zap fields. Debug-level only, matches this
package's existing logging convention (reuses convert.go's field names).
Live-confirmed against a real deployment with logging.level: debug.
Also surfaced (but did not fix, out of boundary - pure Go change, no
possible causal link) a pre-existing xce_test segfault on string-typed
resupdate (type/model) - uninitialized stack memory, non-deterministic,
invisible to ASan. Logged as bug-1574; flagged in tasks.md as a risk for
task 7.1's default resource set and task 8.1's live e2e run.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Bundles the fixes validated this session across ha.c/persist.c/worker.c:
- raft-apply-decoupling Task 7.4: apply-pump O(N^2) throughput regression
fixed via a segment-read cache.
- bug-1416: boot-time TOCTOU race in persist_verify_apply_correctness()
closed with a recovery-complete gate that closes at process-lifecycle
start, not function entry.
- bug-451: HOOK_DETAIL_JOB_RUSAGE_UPDATE now has its own persist hook arm
instead of silently falling through the default job-state case.
- bug-1426: trim_wal_segments() also caps its trim floor at the local
apply pump's own progress, not just remote standby-acked positions.
- bug-1427: persist_verify_apply_correctness() extended with a worker-count
check mirroring the existing job-count check (count_jobmgr_entries and
count_workermgr_entries now share one count_manager_entries(var) helper).
- bug-1428: persist_register_pending_apply's critical section widened to
close the actual race instead of patching a symptom.
- bug-1472 (remainder): WORKER_DEAD replay in worker_from_capnp() now
applies mark_worker_unavail()'s mutations via a shared
apply_worker_dead_mutation() helper instead of duplicating them.
- bug-1474 (angle-a): on_standby_connected's stale-duplicate detection
fixed for promoted vote endpoints via a shared votes_idx_for_peer()
index-scale converter.
Each fix independently verified via TDD (RED before fix, GREEN after).
Full ASAN rebuild + controller_unit_test: 1101 tests, 0 failures. Live
single-node HA deployment validated Task 7.4 and bug-1416 across 5
restart/recovery cycles (45/45 job submissions, zero APPLY_DIVERGENT
fences).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
XCECLI_FF_CALL (backing xcecli_heartbeat) can silently rotate+reconnect
the transport entirely inside a single call and still return success, so
heartbeat.go's failure-to-success transition detector could never observe
a reconnect that completes within one heartbeat tick -- the common case,
since elections finish in single-digit seconds against a default 30s
interval. apiserver's application-level rejoin never fired on a real
idle-period failover, and job pushes silently stopped reaching it.
Adds a monotonic reconnect_gen counter to endpoint_t (netio.h), bumped by
xce_ctx_reconnect() (xcectx.c) on every successful reconnect regardless of
trigger path. heartbeat.go now compares this generation every tick instead
of tracking success/failure transitions. Re-validated live against task
5.2's exact scenario (apiserver alone, zero write traffic): rejoin fired
22s after a primary kill, 12s after election.
Reopens and closes out component-failover-adoption's own NO-GO -> GO
validation cycle from 2026-08-15.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Audit of apiserver's three task-4.6 coverage areas (degraded-to-healthy
transitions, concurrent-request safety, candidate-list parity):
degraded-to-healthy and candidate-list parity were already fully
satisfied by tasks 4.1/4.5's own tests. Found one genuine gap: reconnect.go's
needsRejoin/checkAndPerformRejoin (task 4.3) had zero concurrent-access
test coverage despite being reached from 5 real concurrent HTTP-wrapper
call sites plus the heartbeat goroutine -- health.go's existing
50-goroutine stress test only covered the separate degraded-until
timestamp. One new test closes it.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
Adds an atomic degraded-until state (health.go: IsDegraded/MarkDegraded/
MarkHealthy) that lets request handlers fail fast with a clear
unavailable error instead of blocking on xcecli's own ~100s retry
budget when the backend is known-degraded.
Consolidates what tasks 4.3/4.4 left as duplicated inline
"call xcecli_*; checkAndPerformRejoin()" pairs across five wrapper
functions into one shared callBackend() helper: checks IsDegraded()
before every call (fail fast, skip the C call and the rejoin check
entirely on the degraded path -- checking rejoin there would itself
block up to ~100s, defeating the fail-fast purpose), marks degraded on
-E_XCE_NOT_READY, marks healthy at checkAndPerformRejoin()'s existing
success point (the single call site both the write path and the
idle-period heartbeat path already funnel through).
The circuit breaker's own TTL-based state is deliberately never read
by the rejoin-retry mechanism -- checkAndPerformRejoin() has no
IsDegraded() dependency, so a fast-fail window never suppresses
retry-until-actually-joined; heartbeat.go's unconditional per-tick
call keeps that cadence alive regardless of degraded state, and a
10s TTL (well under the ~100s retry budget) lets write traffic resume
contributing once it clears.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
xcecli_heartbeat() is XCECLI_FF_CALL-wrapped -- a deliberately
non-retrying fire-and-forget path that does its own best-effort
one-shot reconnect but never calls xcecli_invoke_rejoin() (that only
fires from the write-call retry path). Left as-is, a controller
failover with no in-flight write request would silently repair the
transport connection without ever re-joining, permanently starving
push notifications.
runHeartbeat() gains two callback hooks fired at the right points --
onFailureToSuccess on a genuine transition, onSuccessTick on every
successful tick thereafter -- wired directly to task 4.3's existing
setNeedsRejoin()/checkAndPerformRejoin() from StartHeartbeat(). No
second rejoin mechanism: checkAndPerformRejoin() is a cheap no-op when
nothing is pending, so calling it unconditionally on every successful
tick is safe and matches the requirement that retry isn't gated on the
transition edge alone.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
Registers a rejoin flag-setter (go_backend_rejoin_handler) as the
client library's reconnect callback: zero I/O, sets an atomic flag,
returns immediately -- avoiding self-deadlock on the library's
per-ctx failover lock the same way worker's and scheduler's rejoin
callbacks already do. The C shim, its extern declaration, and the
xcecli_set_reconnect_handler() registration call all live together in
clib.go's xce_backend_init(), placed after xcecli_start()'s success
check (xcecli_start() wipes any earlier-registered handler as part of
its own init -- the same ordering bug found and fixed in worker's/
scheduler's task 2.3/3.1 work).
A shared checkAndPerformRejoin() helper wraps every gCtx.ctx-based
backend call (SubmitJob, ControlJob, ControlQueue, ControlHost,
FetchFile): after the call returns, if a rejoin is pending, issue
xcecli_join() as a separate step and clear the flag only on success --
on failure it stays set so the next backend call's return retries it,
no separate retry loop.
needsRejoin is a proper sync/atomic flag rather than a plain bool,
since apiserver (unlike the single-threaded C daemons) serves
concurrent HTTP requests that can all reach the shared helper at once.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
Replaces apiserver's two connect mechanisms -- a per-peer Go loop that
hardcoded nmasters=1 per attempt, and a separate direct-construction
path for the legacy single-host config -- with one pipeline:
buildClusterConfig() parses (via task 4.1's C parser) or synthesizes a
single-candidate config, validates it, then ConfigConverter
(xce_cluster_config_to_client_config) produces the client config for
one xce_backend_init() call. A 3-candidate config now actually
exercises the C library's own failover/standby-redirect handling on
initial connect, matching worker's and scheduler's task 2.1/3.1 work,
instead of a Go-level per-candidate retry loop that never built a real
multi-master config.
Along the way: found and fixed a genuine use-after-free. The deleted
tryConnect() freed its C.CString-allocated host address immediately
after its single connect call returned, but xcecli_ctx_init() stores a
raw pointer to the config forever (client.c:38) and every later
failover rotation re-dereferences it (client_failover.c) -- so any
reconnect after the first would read freed memory. Fixed by giving the
cluster/client config structs package-level, process-lifetime storage
(gClusterCfg/gClientCfg), mirroring worker's and scheduler's file-scope
static pattern, with host/from/key written into fixed-size C arrays
instead of freed heap pointers.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
Replaces apiserver's hand-written Go parsePeer() with a CGO wrapper
around the shared C parser+validator pair (xce_parse_peers then
xce_cluster_config_validate, both src/lib/cluster.c) that worker and
scheduler already use from their own main.c's. Gives apiserver the same
[name=]host:port[,...] syntax (including the name= prefix the old Go
parser could not express) and identical malformed-candidate rejection
(empty host, port <= 0, non-numeric port) -- round-1 review caught the
first pass skipping the validate() half, silently accepting inputs
worker/scheduler both reject.
A malformed entry now rejects the whole candidate list rather than
being skipped with a warning (matches xce_parse_peers()'s own
all-or-nothing construction and worker/scheduler's precedent) --
surfaced loudly via RegisterToBackend's error, not silently.
Parsing only -- RegisterToBackend()'s connect loop and tryConnect()
are unchanged; collapsing them into a single connect call is task
4.2's job.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NNB4zGPCsHyDUCDJyMbiQN
rshen/Letmein was a live, checked-in cluster_admin credential in
auth.yaml. Renamed to a non-identifying username with a clearly-marked
placeholder password.
docs: add full ops deployment guide (src/docs/deployment.md)
Covers building and running all four daemons plus xceadmin, based on
direct source verification (CLI flags, config file shapes, TLS posture)
and a live single-node deploy. Documents real production gaps (no
process supervision, plaintext non-controller traffic, exposed dev
creds) rather than treating the repo as a finished runbook.
bug-1463: commit 94f50ce6 (bug-1453 CA-cert-plumbing removal) missed
GetJobOutput's dead tls.Config/loadRootCAs block in request.go, plus
peek.go's SetRootCAs call and serverInfo.CACert field access (the
field no longer exists on APIServerInfo) -- broke the xcecli build.
Removed all three dangling references. Also enabled NewAPIClient's
previously-commented-out InsecureSkipVerify TLS config, since no
xcecli method set any TLS config at all -- any https:// apiserver URL
would have failed cert verification, not just GetJobOutput. Matches
bug-1453's documented design (server-side TLS only, no peer
verification, mTLS deferred as P3 hardening).
Documented both the api-server (http+https) and controller
(server-side-cert-only, no client certs) TLS postures in
.kiro/steering/security.md, replacing a stale line claiming TLS is
handled at the network layer, plus a follow-up note for the planned
HAProxy TLS-termination reverse proxy once its cert type and
apiserver's own listener fate are decided.
controller.capnp declared `struct Data $C.mapname("xce_data_t")` (an
OPCode_get query-result tagged union) at file scope, which shadows
Cap'n Proto's builtin Data blob type for every later `: Data` field in
the same file. This silently miscompiled 7 fields across 6 structs as
a struct-pointer type instead of a raw byte blob: UpgradeConfigRequest
.sha256/.bytes, ReplConfigReply.sha256/.bytes, ReplConfigPushRequest
.sha256/.bytes, ReplEnvelope.payload, SnapshotTransfer's chunk
payload, WalCatchupEntry.payload/.batchPayloads, and CtrlHelloRequest
.key. Production C code had already routed around it for years via
hand-rolled raw capn_ptr manipulation (see request.c's own comments);
nothing before now needed the generated codec/accessors to actually
work for these fields.
Renamed the local struct to XceData (capnp-level name only; the
$C.mapname("xce_data_t") C typedef is unchanged) and explicitly
repointed getdata/pushmsg at XceData by name, since those two fields
correctly want the local tagged union. Updated every derived
generated-identifier reference across 19 hand-written files spanning
controller, lib, scheduler, and the Go apiserver/xcecli CGo bindings.
Fixed 5 call sites in lib/request.c that had been typed against the
old workaround alias but now legitimately receive the correct
capn_data type (a pure type-name swap -- Data_ptr/XceData_ptr and
capn_data share the identical {capn_ptr p} layout).
Verified via full rebuild+test: lib (1/1), controller (3/3, incl. the
job-array push regression tests), scheduler (15/15), Go apiserver +
xcecli (all packages green), and a direct pycapnp round-trip proving
UpgradeConfigRequest.sha256/.bytes now encode/decode correctly.
Bug: bug-1461 (.wolf/buglog.json). Unblocks admin-config-tool task 3.3.
bug-1453: remove unused client-side CA-certificate plumbing. C-side:
drop ca_cert_path from xce_cluster_config_t, do_connect()'s ca_cert
param, --ca-cert flags on worker/scheduler, and controller's cert
population (TLS is server-side only, SSL_VERIFY_NONE everywhere on
the client side already, verified zero SSL_CTX_load_verify_locations
calls in the C tree). Go-side: delete xcecli's self-signed cert
TOFU-pinning flow (cmd/auth/cert/*), CACert field, SetRootCAs/
loadRootCAs, and every call site.
bug-1454: fix xcecli_ctx_t leak in scheduler.c sched_init() — the
unconditional initial ctx_init was never freed before the HA
candidate loop re-initialized it on the first iteration.
bug-1455: sched_init()'s memset(sched, 0, ...) was silently wiping
sched->cluster_cfg that main.c had populated from --peers just before
calling sched_init(), so --peers was always ignored and the scheduler
fell back to the hardcoded localhost:9990 single-host default.
Restructured sched_init() to take cluster_cfg as an explicit parameter
(assigned after the memset) instead of relying on caller-side
ordering with a separate sched_set_cluster_cfg() setter, which is now
removed.
bug-1456: revert an unsafe stack-local xce_client_config_t introduced
while fixing bug-1455 — xcecli_ctx_init() stores that pointer as
ctx->conf and client_failover.c dereferences it for the ctx's entire
life (runtime reconnect), so a per-loop-iteration stack copy would
dangle the moment sched_init() returned. Back to mutating the
caller-owned, process-lifetime config in place.
Verified: full ASAN build (all components), meson test suite 9/9 OK,
manual scheduler testsuite 15/15, Go build/vet/test all pass.
Cross-daemon integration test, test-only, spanning the scheduler (C)
and API-server (Go/CGO) receive paths built in tasks 5.1-5.4/5.3b.
Drives real xce_encode()/xce_decode() wire bytes through the actual
production dispatch chain on both daemons -- extract_data() ->
scheduler_req_handler() -> sched_handle_dataset() ->
sched_on_job_array() and go_push_handler() -> handleDataset() ->
cJobArrayToModels()/dispatchJobArray() -- skipping only vtask_entry()'s
~10 lines of static glue, mirrored verbatim in test code (the
if (callnext) treats-any-nonzero-as-proceed behavior that caused
5.3b's bug is reproduced exactly).
Redelivery is tested via genuinely independent fresh decodes of
separately-encoded bytes, not a decode-once-call-twice shortcut.
Bug-catching capability proven by temporarily reverting task 5.3b's
fix and confirming both the C and Go tests fail meaningfully, then
restoring to green -- confirmed independently by both the implementer
and reviewer.
Task 5.5 of job-array-single-wal-record (Requirements 6.1-6.5, 8.4).
This completes Phase 5 (Compact Scheduler/API-Server Push).
Adds the Go/CGO receive path for Data.jobArray, mirroring task 5.3's
scheduler-side C implementation: rawJobArrayToModels() (pure-Go
base_jobid + i expansion), cJobArrayToModels() (CGO adapter sibling to
cJobToModel), dispatchJobArray() (dedup via the same store.Jobs.Has()
the ordinary Data_data_jobs path already writes through, single
confirmation log only when at least one element was newly
dispatched), and a new case C.Data_data_jobArray in handleDataset.
Elements route through OnJobUpdated, matching the ordinary single-job
push's own routing. The CGO boundary needed no changes -- both
C.xce_job_submit_t and C.Data_data_jobArray were already exposed from
prior tasks, including task 5.3b's extract_data() fix which this
receive path depends on identically to the scheduler's.
store.ArrayJobs (the array-level rollup aggregate) is deliberately
left unpopulated -- confirmed out of this spec's scope, deferred to a
future spec per requirements.md's Boundary Context.
Task 5.4 of job-array-single-wal-record (Requirements 6.2, 6.4, 6.5, 8.4).
