Dai Ha
599419f9e6
b17f37a set SUPERVISOR_UNCLEAR_DETAIL as a global inside detect_supervisor, but the real call
site invokes it as $(detect_supervisor) — a subshell — so that global died with the subshell and
the die() message's ${VAR:-fallback} silently masked the loss with generic text.
- detect_supervisor now packs kind and detail onto its one stdout line (joined by the ASCII unit
separator byte, $SUPERVISOR_DETAIL_SEP), the only channel that survives $( ). The real call site
unpacks both with in-shell parameter expansion — no extra subshell.
- Dropped the ${SUPERVISOR_UNCLEAR_DETAIL:-...} fallback at the die() message: under set -u, a
missing detail now fails loudly instead of silently defaulting (same defect class as #497).
- Added a constraints comment block above detect_supervisor for future callers: stdout-only,
no ${VAR:-default} papering over a lost value, and every case on the return value needs an
explicit *) arm.
- Added *) arms to the three `case "$SUPERVISOR_KIND"` switches (report/stop/start): report warns
and continues (display-only), stop/start die naming the value (they act on it).
- Rewrote the "unclear" test to go through the real call-site shape ($(detect_supervisor) then
the same split), not a hand-constructed value, and tightened its final assertion to check for
the actual detail text rather than $SYSTEMD_UNIT alone (the die() boilerplate names the unit
either way, so that check could pass on a lost value).
749 lines
41 KiB
Bash
Executable File
749 lines
41 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Rebuild and restart the fleetd daemon.
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#
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# A merge is not a deployment: the running daemon holds the jar it was started with, so code merged
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# to main does nothing until this runs. See CLAUDE.md -> "Redeploying the daemon".
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#
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# This script exists to turn eight remembered traps into one auditable command:
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#
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# 1. A piped `mvn` hides BUILD FAILURE behind a zero exit, so the build here is never piped.
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# 2. The daemon must start from a LOGIN shell, or the tokens it hands to members are empty:
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# WORKER_GITEA_TOKEN (workers cannot open a PR) and AI_GATEWAY_TOKEN (401 at llm.ltms.dev).
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# Both are read from the DAEMON's own environment at spawn time, so a value added to
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# secrets.sh after startup is absent. Nothing logs this here, so the script checks and says
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# so — and since CB-594, fleetd's own startup log says so too, by env var name.
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# 3. An old daemon that never actually died looks identical from the outside, so the script waits
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# for the process to exit and for the port to free before it starts a new one.
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# 4. "It started" is not "it works": the script polls /healthz until it answers, and reports the
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# herdr protocol number, because healthz can be green while every spawn fails on a protocol
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# mismatch.
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# 5. Restarting under live members drops their tickets, so the script refuses unless you confirm
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# the fleet is drained.
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# 6. CB-594 — the launchd agent (deploy/dev.ltms.fleetd.plist), if installed and loaded, is a
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# SECOND supervisor: its KeepAlive.SuccessfulExit=false restarts the daemon on any nonzero
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# exit, and a bare SIGTERM makes this JVM exit 143 even with its shutdown hook running to
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# completion (measured — see the CB-594 report). A plain `kill` here would race launchd's own
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# restart of the OLD jar. So this script detects whether the agent is loaded and, only then,
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# swaps `kill` + manual `nohup` for `launchctl unload`/`load` — the one supervisor in control
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# at any moment is whichever one you asked to act, never both.
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# 7. fleetd #492 — a systemd --user unit is a THIRD possible supervisor (seen on a second host):
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# Restart=on-failure treats this JVM's SIGTERM exit code (143, per CB-594 above) as a failure
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# too, so a bare `kill` there would race systemd's own restart of the OLD jar exactly like
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# launchd would. This script now tells launchd, systemd, and "genuinely unsupervised" apart as
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# three different answers, drives whichever one it finds through its own control plane
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# (`launchctl` / `systemctl --user`), and REFUSES outright — never falls back to `kill` — when
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# it finds a supervision signal it cannot map to exactly one of the two it knows how to drive.
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# A wrong guess here is how two daemons end up running against one herdr session. Follow-up:
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# "not currently loaded" is not the same fact as "unsupervised" — a unit that is installed but
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# activating/failed/pending-restart, or a `systemctl` call that could not answer at all (e.g.
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# no user-bus access), both now read as a fifth answer, "unclear", and REFUSE the same way
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# "ambiguous" does, rather than silently falling through to "none".
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# 8. fleetd #492 — a post-restart check counts running fleetd processes and fails the whole run if
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# more than one is alive. That is the one thing none of the checks above (healthz 200, jar id,
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# the fresh "listening" line) can see: every one of them is satisfied by EITHER daemon.
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#
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# Usage:
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# scripts/redeploy-fleetd.sh # build, confirm, restart, verify
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# scripts/redeploy-fleetd.sh --yes # skip the drain confirmation (fleet already checked)
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# scripts/redeploy-fleetd.sh --no-build # restart the jar already on disk
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# scripts/redeploy-fleetd.sh --check # report state and exit; changes nothing
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#
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# Exits non-zero on any failure. A failed build never stops the running daemon.
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set -euo pipefail
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REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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MODULE="$REPO/fleetd"
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JAR="$MODULE/target/fleetd.jar"
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OUT="$MODULE/fleetd.out"
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# Matches BOTH the absolute form and the relative `java -jar target/fleetd.jar` a hand-start
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# produces from inside fleetd/. Anchoring on the absolute path alone was a real bug: the daemon
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# restarted correctly and the script still reported "no process appeared", because it launched with
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# a relative path and then looked for an absolute one.
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PATTERN='target/fleetd.jar'
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HEALTH='http://127.0.0.1:8765/healthz'
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STOP_WAIT=30 # seconds to wait for a clean exit before reporting failure
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HEALTH_WAIT=60 # seconds to wait for /healthz to answer after start
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# CB-594: the launchd agent this script must not fight with (see trap 6 above).
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LAUNCHD_LABEL='dev.ltms.fleetd'
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LAUNCHD_PLIST="$HOME/Library/LaunchAgents/$LAUNCHD_LABEL.plist"
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|
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# fleetd #492: the systemd --user unit this script must not fight with either (see trap 7 above).
|
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# Measured on the second host: `systemctl --user cat fleetd` names the unit "fleetd" (not
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# "dev.ltms.fleetd" — systemd user units here are not namespaced the way the launchd label is).
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SYSTEMD_UNIT='fleetd'
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# fleetd #492 follow-up: detect_supervisor packs TWO values (kind, detail) onto the one stdout
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# line that survives its $(...) call — see the constraints comment above that function. This is
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# the separator between them: the ASCII "unit separator" byte, chosen because it never occurs in
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# any of the prose detail strings and needs no escaping in a `case`/glob pattern.
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SUPERVISOR_DETAIL_SEP=$'\x1f'
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# fleetd #492 follow-up: set by systemd_loaded/systemd_installed when the underlying `systemctl`
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# call could not answer cleanly — it exited non-zero AND wrote something to stderr, which is a real
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# tool failure (e.g. it cannot reach the user bus over a non-lingering ssh session), never the same
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# fact as a clean negative answer ("not active", no stderr). Initialized here, not just inside the
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# probes, so detect_supervisor can read them under `set -u` even before either probe has ever run,
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# and so a test that stubs a probe with a plain `return 0`/`return 1` body (leaving these untouched)
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# reads a deterministic 0 rather than whatever a previous probe call left behind.
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SYSTEMD_LOADED_ERRORED=0
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SYSTEMD_INSTALLED_ERRORED=0
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# fleetd #492 follow-up: SUPERVISOR_UNCLEAR_DETAIL is the specific supervisor/reason that
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# require_drivable_supervisor's die() names on an "unclear" answer. Deliberately NOT pre-declared
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# here (unlike the two flags above): it is set only by the real call site, right after it unpacks
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# detect_supervisor's stdout (see the constraints comment above detect_supervisor). If that call
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# site is ever skipped or broken, a bare `set -u` reference to this variable in
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# require_drivable_supervisor must fail loudly with "unbound variable" — a pre-declared empty
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# default would instead silently print an empty reason, hiding exactly the value this ticket
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# exists to surface.
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DO_BUILD=1; ASSUME_YES=0; CHECK_ONLY=0
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for arg in "$@"; do
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case "$arg" in
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--yes|-y) ASSUME_YES=1 ;;
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--no-build) DO_BUILD=0 ;;
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--check) CHECK_ONLY=1 ;;
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-h|--help) sed -n '3,48p' "${BASH_SOURCE[0]}"; exit 0 ;;
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*) echo "unknown option: $arg (try --help)" >&2; exit 2 ;;
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esac
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done
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say() { printf '\n\033[1m== %s\033[0m\n' "$*"; }
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ok() { printf ' ok %s\n' "$*"; }
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warn() { printf ' WARN %s\n' "$*"; }
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die() { printf '\n FAIL %s\n\n' "$*" >&2; exit 1; }
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jar_id() { [ -f "$JAR" ] && shasum -a 256 "$JAR" | cut -c1-12 || echo "absent"; }
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running_pid() { pgrep -f "$PATTERN" || true; }
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# `launchctl list <label>` exits 0 iff the label is loaded (registered with launchd) — true whether
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# or not it is currently running, which is exactly "supervision is active" for our purposes. Read-
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# only: neither helper below changes anything, so both are also safe under --check.
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launchd_installed() { [ -f "$LAUNCHD_PLIST" ]; }
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launchd_loaded() { launchctl list "$LAUNCHD_LABEL" >/dev/null 2>&1; }
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# fleetd #492: same two questions for systemd --user. Kept as separate, overridable functions
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# (never an inline `systemctl` call at each use site) so a test on a box with no systemd at all
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# (this repo is developed on macOS) can substitute each one independently — the same seam
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# launchd_installed/launchd_loaded above already use.
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#
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# fleetd #492 follow-up: both functions used to throw `systemctl`'s stderr straight into
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# /dev/null, which meant "systemctl answered no" and "systemctl could not answer at all" (e.g. it
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# cannot reach the user bus over a non-lingering ssh session) looked identical — both a plain
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# nonzero exit. They now capture stderr separately and set their own *_ERRORED flag ONLY when the
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# call exited non-zero AND wrote something to stderr — a real tool failure, never a clean "not
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# installed"/"not active" answer (which exits non-zero with empty stderr). detect_supervisor reads
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# the flag right after calling the probe, so a probe that could not answer routes to "unclear",
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# never silently becomes "none".
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#
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# "installed": a unit FILE by this name exists, regardless of its current state — the systemd
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# analogue of the plist file existing on disk. `list-unit-files` reads unit definitions without
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# depending on runtime state, so this stays read-only and safe under --check.
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systemd_installed() {
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SYSTEMD_INSTALLED_ERRORED=0
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command -v systemctl >/dev/null 2>&1 || return 1
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local err_file out rc=0
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if ! err_file="$(mktemp -t systemd-installed-err)"; then
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SYSTEMD_INSTALLED_ERRORED=1
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return 1
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fi
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out="$(systemctl --user list-unit-files "$SYSTEMD_UNIT.service" --no-legend 2>"$err_file")" || rc=$?
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if [ "$rc" -ne 0 ]; then
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if [ -s "$err_file" ]; then
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SYSTEMD_INSTALLED_ERRORED=1
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fi
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rm -f "$err_file"
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return "$rc"
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fi
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rm -f "$err_file"
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printf '%s' "$out" | grep -q .
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}
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# "loaded": systemd currently supervises this unit as an active job — the systemd analogue of
|
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# `launchctl list <label>` succeeding. Measured on the second host: `systemctl --user is-active
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# fleetd` -> "active". A clean "no" (inactive/failed/activating/deactivating) exits non-zero with
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# nothing on stderr; a probe that could not reach systemd at all exits non-zero WITH a stderr
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# message — see the fleetd #492 follow-up note above.
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systemd_loaded() {
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SYSTEMD_LOADED_ERRORED=0
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command -v systemctl >/dev/null 2>&1 || return 1
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local err_file rc=0
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if ! err_file="$(mktemp -t systemd-loaded-err)"; then
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SYSTEMD_LOADED_ERRORED=1
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return 1
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fi
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systemctl --user is-active "$SYSTEMD_UNIT" >/dev/null 2>"$err_file" || rc=$?
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if [ "$rc" -ne 0 ] && [ -s "$err_file" ]; then
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SYSTEMD_LOADED_ERRORED=1
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fi
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rm -f "$err_file"
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return "$rc"
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}
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|
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# fleetd #492: three real answers, not two — launchd, systemd, or genuinely unsupervised — plus a
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# fourth, "ambiguous", for the one case this script cannot tell apart: both signals firing at once.
|
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# That is exactly "I cannot tell who supervises this process", and guessing wrong here is how two
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# daemons end up running against one herdr session (see trap 7 in the header).
|
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#
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# fleetd #492 follow-up: a fifth answer, "unclear", for two more situations that must NEVER be read
|
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# as "none" (measured — see the report this ticket is a follow-up to):
|
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# - installed-but-not-loaded, on EITHER supervisor. `systemctl --user is-active` answers "no" for
|
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# `activating`, `deactivating`, `failed`, and while an auto-restart is pending — every one of
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# those is a host that IS under systemd (or launchd) and whose supervisor is about to act again.
|
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# `*_installed` already knows the unit/agent exists; this is the first place that fact is
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# actually consulted in the decision, not just printed as a warning.
|
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# - a probe that could not answer at all. systemd_loaded/systemd_installed set their own
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# *_ERRORED flag (see the comment above them) when `systemctl` exits non-zero WITH a stderr
|
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# message — a real tool failure, e.g. it cannot reach the user bus over a non-lingering ssh
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# session — never conflated with a clean negative answer.
|
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# "none" now means only: neither supervisor is installed, neither is loaded, and neither probe
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# errored.
|
|
#
|
|
# fleetd #492 follow-up — constraints every caller of this function depends on (learned the hard
|
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# way: an earlier version of this fix set a SUPERVISOR_UNCLEAR_DETAIL global from inside here and
|
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# it was silently lost, because every real call site invokes this as `$(detect_supervisor)`):
|
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# 1. It is called as `$(detect_supervisor)`, so ONLY STDOUT crosses back to the caller. Anything
|
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# this function needs to tell its caller — the "unclear" detail included — must be printed,
|
|
# never assigned to a global: a global set inside a `$( )` subshell dies with that subshell.
|
|
# This function packs BOTH values (kind and detail) onto that one stdout line, joined by
|
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# $SUPERVISOR_DETAIL_SEP, and the caller unpacks them on its own side of the subshell boundary.
|
|
# 2. This script runs under `set -euo pipefail` (line 50), so an unset variable is a loud
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|
# failure. Do not add a `${VAR:-default}` anywhere downstream to paper over a value that
|
|
# should always be there — that hides a lost value instead of surfacing it (fleetd #497's
|
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# defect class).
|
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# 3. Every `case` on this function's return value needs an explicit final `*)` arm, chosen by
|
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# whether that caller ACTS on the value (`die` — an unrecognised value must never be silently
|
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# driven) or only DISPLAYS it (`echo`/`warn` and continue — a diagnostic must not go silent on
|
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# exactly the value it most needs to report).
|
|
#
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# Pure and side-effect-free besides the two *_ERRORED flags (read back within this same call, never
|
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# by the caller — see the constraints above): reads the four probes and decides — never mutates
|
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# anything, so it is safe under --check and testable by overriding
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|
# launchd_installed/launchd_loaded/systemd_installed/systemd_loaded after sourcing.
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detect_supervisor() {
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local ld=0 sd=0 li=0 si=0 kind detail=""
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SYSTEMD_LOADED_ERRORED=0
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SYSTEMD_INSTALLED_ERRORED=0
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launchd_loaded && ld=1
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systemd_loaded && sd=1
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launchd_installed && li=1
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systemd_installed && si=1
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|
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if [ "$SYSTEMD_LOADED_ERRORED" = 1 ] || [ "$SYSTEMD_INSTALLED_ERRORED" = 1 ]; then
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detail="the systemd --user probe for '$SYSTEMD_UNIT' could not answer cleanly (systemctl exited non-zero and reported an error on stderr, not a clean negative — e.g. it cannot reach the user bus)"
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kind="unclear"
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|
elif [ "$ld" = 1 ] && [ "$sd" = 1 ]; then
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kind="ambiguous"
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elif [ "$li" = 1 ] && [ "$ld" = 0 ]; then
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detail="the launchd agent ($LAUNCHD_LABEL) is installed ($LAUNCHD_PLIST exists) but is not currently loaded"
|
|
kind="unclear"
|
|
elif [ "$si" = 1 ] && [ "$sd" = 0 ]; then
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detail="the systemd --user unit ($SYSTEMD_UNIT) is installed but not currently active — it may be activating, deactivating, failed, or waiting on an auto-restart"
|
|
kind="unclear"
|
|
elif [ "$ld" = 1 ]; then
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|
kind="launchd"
|
|
elif [ "$sd" = 1 ]; then
|
|
kind="systemd"
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else
|
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kind="none"
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fi
|
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printf '%s%s%s' "$kind" "$SUPERVISOR_DETAIL_SEP" "$detail"
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}
|
|
|
|
# fleetd #492: turns anything detect_supervisor returns that is NOT exactly one of the two
|
|
# supervisors this script knows how to drive into a die() — never a fall-through to the `kill`
|
|
# path. Kept as its own function so a test can call it directly (in a subshell, since it die()s)
|
|
# without running the whole report-state flow or needing a real launchd/systemd.
|
|
require_drivable_supervisor() {
|
|
local kind="$1"
|
|
case "$kind" in
|
|
launchd|systemd|none) ;;
|
|
ambiguous)
|
|
die "both launchd ($LAUNCHD_LABEL) and systemd --user ($SYSTEMD_UNIT) report themselves as
|
|
loaded for this daemon at the same time. This script cannot tell which one actually
|
|
supervises the running process, and driving either alone risks the OTHER reviving the
|
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OLD jar out from under it — the exact failure this ticket (fleetd #492) exists to
|
|
prevent. Stop one of the two supervisors by hand, confirm only one remains loaded, then
|
|
rerun." ;;
|
|
unclear)
|
|
# fleetd #492 follow-up: SUPERVISOR_UNCLEAR_DETAIL crosses back from detect_supervisor's
|
|
# subshell via its stdout, unpacked by the caller BEFORE it calls this function (see the
|
|
# constraints comment above detect_supervisor). No ${VAR:-default} here on purpose: if the
|
|
# detail is somehow missing, `set -u` makes this reference fail loudly instead of silently
|
|
# naming nothing — a default that hides a lost value is the same defect class as fleetd
|
|
# #497.
|
|
die "a supervisor looks present but this script cannot tell whether it actually drives this
|
|
daemon: $SUPERVISOR_UNCLEAR_DETAIL. Guessing wrong here is the same failure 'ambiguous'
|
|
above exists to prevent: driving the daemon while an unseen supervisor revives the OLD
|
|
jar out from under it (fleetd #492). Check 'launchctl list $LAUNCHD_LABEL' and
|
|
'systemctl --user status $SYSTEMD_UNIT' by hand, resolve whichever looks unclear, then
|
|
rerun." ;;
|
|
*)
|
|
die "detect_supervisor returned an unrecognized value '$kind' — refusing to guess which
|
|
supervisor, if any, controls this daemon." ;;
|
|
esac
|
|
}
|
|
|
|
# fleetd #492: the exact symptom a racing supervisor produces — count how many fleetd processes are
|
|
# alive right now. Takes the pid list as a parameter (rather than calling running_pid() itself) so a
|
|
# test can pass a canned two-line string without a real second process running. Pure except for the
|
|
# die() in assert_single_daemon below.
|
|
count_daemon_pids() {
|
|
local pids="$1"
|
|
if [ -z "$pids" ]; then
|
|
echo 0
|
|
else
|
|
printf '%s\n' "$pids" | grep -c .
|
|
fi
|
|
}
|
|
assert_single_daemon() {
|
|
local pids="$1" count
|
|
count="$(count_daemon_pids "$pids")"
|
|
if [ "$count" -gt 1 ]; then
|
|
die "more than one fleetd process is running after this restart (pids: $(printf '%s' "$pids" | tr '\n' ' ')).
|
|
This is the exact failure a racing supervisor produces: the OLD jar was revived by its
|
|
supervisor while this script started a NEW copy. Two daemons on one herdr session kill
|
|
each other's members. Investigate with 'pgrep -f \"$PATTERN\"' and stop the wrong one by
|
|
hand — do not assume either pid is the one you want."
|
|
fi
|
|
}
|
|
|
|
# CB-600: the script computes its own log path from where it sits on disk (REPO, above); the
|
|
# plist hard-codes an absolute StandardOutPath. Nothing forced the two to agree — if this script
|
|
# were ever run from a checkout other than the one the loaded plist names, launchd would start and
|
|
# log the daemon correctly, while every check below (the fresh "fleetd listening" line, the
|
|
# ERROR-count scan) would read a different, empty or stale file and the script would report a
|
|
# clean restart while the daemon crash-loops. Pure and side-effect-free besides `die`/`ok` — reads
|
|
# the two paths, resolves them, compares — so it never touches launchd or the daemon and can be
|
|
# exercised by sourcing this script (see the SOURCED guard below) without installing the agent.
|
|
check_log_path_matches_plist() {
|
|
local script_out="$1" plist_path="$2"
|
|
local plist_out resolved_out resolved_plist_out
|
|
# Checked by exit status, not by emptiness: on a missing file/key PlistBuddy exits nonzero but
|
|
# still writes a message ("File Doesn't Exist, Will Create: ...") that command substitution
|
|
# would happily capture as if it were the real value — testing only `-z` missed that case.
|
|
if ! plist_out="$(/usr/libexec/PlistBuddy -c 'Print :StandardOutPath' "$plist_path" 2>/dev/null)" \
|
|
|| [ -z "$plist_out" ]; then
|
|
die "launchd agent is loaded but PlistBuddy could not read StandardOutPath from
|
|
$plist_path
|
|
— cannot verify the daemon logs where this script is about to look. Fix the plist before
|
|
redeploying supervised."
|
|
fi
|
|
resolved_out="$(cd "$(dirname "$script_out")" 2>/dev/null && pwd -P)/$(basename "$script_out")" || true
|
|
resolved_plist_out="$(cd "$(dirname "$plist_out")" 2>/dev/null && pwd -P)/$(basename "$plist_out")" || true
|
|
if [ -z "$resolved_out" ] || [ -z "$resolved_plist_out" ] || [ "$resolved_out" != "$resolved_plist_out" ]; then
|
|
die "log path mismatch — this script reads
|
|
$script_out (resolved: ${resolved_out:-<directory does not exist>})
|
|
but the loaded plist's StandardOutPath is
|
|
$plist_out (resolved: ${resolved_plist_out:-<directory does not exist>})
|
|
Under supervision the daemon writes to the PLIST's path, not necessarily this script's — every
|
|
post-restart check below (the fresh 'fleetd listening' line, the ERROR-count scan) would read
|
|
the wrong file and could report a clean restart while the daemon crash-loops. Fix the mismatch
|
|
(move this checkout to match the plist, or edit the plist's StandardOutPath/StandardErrorPath)
|
|
before redeploying supervised."
|
|
fi
|
|
ok "log path check: script and plist agree ($resolved_out)"
|
|
}
|
|
|
|
# Classify ERROR lines in one fresh log region. AMQP failure messages now include the connection
|
|
# name, so a recovery can clear only errors for its own connection. A candidate with neither name
|
|
# remains unexplained: it must never be quieted by a recovery on the other connection.
|
|
classify_amqp_connection_errors() {
|
|
local log_file="$1" line pending_inbox=0 pending_lead_mailbox=0
|
|
REDEPLOY_ERROR_COUNT=0
|
|
REDEPLOY_RECOVERED_AMQP_ERRORS=0
|
|
REDEPLOY_UNEXPLAINED_ERRORS=0
|
|
|
|
while IFS= read -r line || [ -n "$line" ]; do
|
|
case "$line" in
|
|
*' ERROR '*|*' SEVERE '*)
|
|
REDEPLOY_ERROR_COUNT=$((REDEPLOY_ERROR_COUNT + 1))
|
|
case "$line" in
|
|
*'AMQP connection fleetd-reply-inbox: An unexpected connection driver error occurred'*|*'AMQP connection fleetd-reply-inbox: Caught an exception during connection recovery!'*)
|
|
pending_inbox=$((pending_inbox + 1))
|
|
;;
|
|
*'AMQP connection fleetd-lead-mailbox: An unexpected connection driver error occurred'*|*'AMQP connection fleetd-lead-mailbox: Caught an exception during connection recovery!'*)
|
|
pending_lead_mailbox=$((pending_lead_mailbox + 1))
|
|
;;
|
|
*'AMQP connection'*'An unexpected connection driver error occurred'*|*'AMQP connection'*'Caught an exception during connection recovery!'*)
|
|
REDEPLOY_UNEXPLAINED_ERRORS=$((REDEPLOY_UNEXPLAINED_ERRORS + 1))
|
|
;;
|
|
*) REDEPLOY_UNEXPLAINED_ERRORS=$((REDEPLOY_UNEXPLAINED_ERRORS + 1)) ;;
|
|
esac
|
|
;;
|
|
*'AMQP connection recovered; cleared held replies for fresh redelivery'*)
|
|
if [ "$pending_inbox" -gt 0 ]; then
|
|
pending_inbox=$((pending_inbox - 1))
|
|
REDEPLOY_RECOVERED_AMQP_ERRORS=$((REDEPLOY_RECOVERED_AMQP_ERRORS + 1))
|
|
fi
|
|
;;
|
|
*'AMQP lead mailbox connection recovered; cleared held messages for fresh redelivery'*)
|
|
if [ "$pending_lead_mailbox" -gt 0 ]; then
|
|
pending_lead_mailbox=$((pending_lead_mailbox - 1))
|
|
REDEPLOY_RECOVERED_AMQP_ERRORS=$((REDEPLOY_RECOVERED_AMQP_ERRORS + 1))
|
|
fi
|
|
;;
|
|
esac
|
|
done < "$log_file"
|
|
|
|
REDEPLOY_UNEXPLAINED_ERRORS=$((REDEPLOY_UNEXPLAINED_ERRORS + pending_inbox + pending_lead_mailbox))
|
|
}
|
|
|
|
# CB-600: sourceable for testing. When this file is SOURCED (not executed) it stops here — nothing
|
|
# below runs — so a test harness can `source` it to call check_log_path_matches_plist (or the
|
|
# other pure helpers above) against a throwaway plist fixture without ever reaching the mutating
|
|
# flow (build/stop/start) or touching the real daemon or launchd. On a normal `./redeploy-fleetd.sh`
|
|
# invocation `(return 0 2>/dev/null)` fails (return is illegal at top level of an executed script),
|
|
# so this whole block is a no-op and every line below still runs exactly as before.
|
|
if (return 0 2>/dev/null); then
|
|
return 0
|
|
fi
|
|
|
|
# ---------------------------------------------------------------- report state
|
|
|
|
say "current state"
|
|
OLD_PID="$(running_pid)"
|
|
if [ -n "$OLD_PID" ]; then
|
|
ok "daemon running, pid $OLD_PID"
|
|
else
|
|
warn "no daemon running — this will be a cold start"
|
|
fi
|
|
ok "jar on disk: $(jar_id) ($([ -f "$JAR" ] && date -r "$JAR" '+%Y-%m-%d %H:%M:%S' || echo 'none'))"
|
|
ok "HEAD: $(git -C "$REPO" log --oneline -1)"
|
|
|
|
# CB-594 / fleetd #492: supervision state. Installed and loaded are different facts — a
|
|
# copied-but-never-loaded plist (or an unloaded systemd unit) supervises nothing, and a loaded
|
|
# label/unit with no file backing it is still what its supervisor will act on.
|
|
if launchd_installed; then
|
|
ok "launchd agent installed: $LAUNCHD_PLIST"
|
|
else
|
|
warn "launchd agent NOT installed."
|
|
fi
|
|
if systemd_installed; then
|
|
ok "systemd --user unit installed: $SYSTEMD_UNIT"
|
|
else
|
|
warn "systemd --user unit NOT installed ($SYSTEMD_UNIT)."
|
|
fi
|
|
|
|
# fleetd #492: decide which of the two (if either) actually supervises this daemon, and refuse
|
|
# outright — before touching anything — if that cannot be told apart (see require_drivable_
|
|
# supervisor above). --check reaches this same line, so a host with an undrivable supervisor is
|
|
# reported as a failure even in --check, without ever reaching the build/stop/start steps.
|
|
# fleetd #492 follow-up: detect_supervisor runs as $(...), so only the printed line survives —
|
|
# unpack kind and detail from it HERE, in this shell, before calling anything downstream. See the
|
|
# constraints comment above detect_supervisor for why this cannot be done any other way.
|
|
SUPERVISOR_RAW="$(detect_supervisor)"
|
|
SUPERVISOR_KIND="${SUPERVISOR_RAW%%"$SUPERVISOR_DETAIL_SEP"*}"
|
|
SUPERVISOR_UNCLEAR_DETAIL="${SUPERVISOR_RAW#*"$SUPERVISOR_DETAIL_SEP"}"
|
|
require_drivable_supervisor "$SUPERVISOR_KIND"
|
|
ok "supervisor detected: $SUPERVISOR_KIND"
|
|
SUPERVISED=0
|
|
case "$SUPERVISOR_KIND" in
|
|
launchd)
|
|
SUPERVISED=1
|
|
ok "launchd agent loaded ($LAUNCHD_LABEL) — launchd supervises this daemon"
|
|
# CB-600: fail loudly here, before ANY other check runs, if this script and the loaded plist
|
|
# would read different log files — every check after this point is worthless otherwise.
|
|
check_log_path_matches_plist "$OUT" "$LAUNCHD_PLIST"
|
|
;;
|
|
systemd)
|
|
SUPERVISED=1
|
|
ok "systemd --user unit active ($SYSTEMD_UNIT) — systemd supervises this daemon"
|
|
;;
|
|
none)
|
|
warn "no supervisor loaded — this script is the only thing that will restart the daemon."
|
|
;;
|
|
*)
|
|
# fleetd #492 follow-up: this block only DISPLAYS state, it changes nothing yet — so a value
|
|
# it doesn't recognise gets reported, not an abort that goes silent on exactly the state most
|
|
# worth seeing. (Unreachable today: require_drivable_supervisor above already died on
|
|
# "ambiguous"/"unclear" before this case runs. Guards the value nobody has invented yet.)
|
|
warn "unrecognised supervisor kind: '$SUPERVISOR_KIND' — detect_supervisor returned a value this block does not know; continuing to report the rest of the state."
|
|
;;
|
|
esac
|
|
|
|
# The trap with no log line. Checked in a LOGIN shell, because that is how the daemon is started
|
|
# below. Never prints the value — only whether it resolved.
|
|
if zsh -lc '[ -n "${WORKER_GITEA_TOKEN:-}" ]' 2>/dev/null; then
|
|
ok "WORKER_GITEA_TOKEN resolves in a login shell"
|
|
else
|
|
warn "WORKER_GITEA_TOKEN is EMPTY in a login shell."
|
|
warn "The daemon will start fine and workers will silently fail to open PRs."
|
|
warn "Fix \${SHARED_ENV}/tools/secrets.sh before relying on worker checkpoints."
|
|
fi
|
|
|
|
# Same trap, second variable (CB-591). A profile's `tokenEnv:` is resolved from the DAEMON's own
|
|
# process environment by HerdrPeerLauncher.resolveEnv, so a token added to secrets.sh after the
|
|
# daemon started is simply absent. The launcher then injects an empty token and llm.ltms.dev answers
|
|
# 401 — long after the restart, and with nothing tying the two together.
|
|
if zsh -lc '[ -n "${AI_GATEWAY_TOKEN:-}" ]' 2>/dev/null; then
|
|
ok "AI_GATEWAY_TOKEN resolves in a login shell"
|
|
else
|
|
warn "AI_GATEWAY_TOKEN is EMPTY in a login shell."
|
|
warn "Any profile whose tokenEnv is AI_GATEWAY_TOKEN will get an empty token and 401 at the gateway."
|
|
warn "This only matters once a profile points at llm.ltms.dev — harmless before that."
|
|
fi
|
|
|
|
# Third variable, same trap (CB-635). broker.uriEnv names the env var holding the AMQP URI, so the
|
|
# password stays out of fleetd.yaml — but that moves the failure into the environment. If the
|
|
# variable is empty the daemon still starts: since #152 it warns and falls back to the in-memory
|
|
# reply inbox, so nothing crashes and replies simply stop surviving a restart. Only this check says
|
|
# so before the fact. Read the name out of the config so a renamed key cannot make the check lie.
|
|
BROKER_URI_ENV=$(sed -n 's/^[[:space:]]*uriEnv:[[:space:]]*\([A-Za-z_][A-Za-z0-9_]*\).*/\1/p' "$MODULE/fleetd.yaml" | head -1)
|
|
if [ -z "$BROKER_URI_ENV" ]; then
|
|
ok "no broker.uriEnv configured — reply inbox is in-memory by design"
|
|
elif zsh -lc "[ -n \"\${$BROKER_URI_ENV:-}\" ]" 2>/dev/null; then
|
|
ok "$BROKER_URI_ENV (broker.uriEnv) resolves in a login shell"
|
|
else
|
|
warn "$BROKER_URI_ENV (broker.uriEnv) is EMPTY in a login shell."
|
|
warn "The daemon will start and fall back to the IN-MEMORY reply inbox."
|
|
warn "Replies stop surviving a restart — a held report is lost, not delayed."
|
|
fi
|
|
|
|
if [ "$CHECK_ONLY" = 1 ]; then
|
|
say "--check: nothing changed"
|
|
exit 0
|
|
fi
|
|
|
|
# ---------------------------------------------------------------------- build
|
|
# Deliberately before the stop: a failed build must never leave the fleet down.
|
|
|
|
if [ "$DO_BUILD" = 1 ]; then
|
|
say "build"
|
|
BUILD_LOG="$(mktemp -t fleetd-build)"
|
|
echo " log: $BUILD_LOG"
|
|
if ! mvn -f "$MODULE/pom.xml" clean install > "$BUILD_LOG" 2>&1; then
|
|
grep -E 'ERROR|BUILD FAILURE|Tests run:.*Failures: [1-9]|Tests run:.*Errors: [1-9]' "$BUILD_LOG" \
|
|
| head -20 || true
|
|
die "build failed — the running daemon was NOT touched. Full log: $BUILD_LOG"
|
|
fi
|
|
grep -E '^\[INFO\] Tests run:.*Failures' "$BUILD_LOG" | tail -1 | sed 's/^\[INFO\] / /' || true
|
|
ok "BUILD SUCCESS"
|
|
ok "jar now: $(jar_id)"
|
|
else
|
|
say "build skipped (--no-build)"
|
|
fi
|
|
|
|
[ -f "$JAR" ] || die "no jar at $JAR — run without --no-build"
|
|
|
|
# ----------------------------------------------------------------- drain gate
|
|
|
|
if [ -n "$OLD_PID" ] && [ "$ASSUME_YES" = 0 ]; then
|
|
say "drain check"
|
|
echo " A restart drops every in-flight ticket and rendezvous. A member's report"
|
|
echo " is NOT recoverable once its ticket is gone."
|
|
echo
|
|
echo " Confirm with fleet_list that no members are live, and fleet_poll anything"
|
|
echo " you still want, BEFORE continuing."
|
|
echo
|
|
read -r -p " Fleet drained? type yes to restart: " reply
|
|
[ "$reply" = "yes" ] || die "aborted — nothing changed"
|
|
fi
|
|
|
|
# ------------------------------------------------------------------ stop
|
|
#
|
|
# CB-594 / fleetd #492: when SUPERVISED, the supervisor owns the stop — never a raw `kill` here. A
|
|
# bare SIGTERM makes this JVM exit 143 even with its shutdown hook running to completion (verified
|
|
# separately: a throwaway Java process with an equivalent shutdown hook, sent SIGTERM from a login
|
|
# shell that could `wait` on it directly, reported exit code 143 every time — never 0). launchd's
|
|
# KeepAlive.SuccessfulExit=false and systemd's Restart=on-failure both treat any nonzero exit as a
|
|
# crash and restart the OLD jar, which would race this script's own restart of the NEW one.
|
|
# `launchctl unload` avoids that race by deregistering the job first, so no KeepAlive is left
|
|
# armed when the process actually stops. `systemctl --user stop` needs no such dance: unlike
|
|
# KeepAlive, systemd's Restart= does not fire on a deliberate stop, only on an unexpected exit of
|
|
# an active unit.
|
|
|
|
if [ -n "$OLD_PID" ]; then
|
|
say "stop"
|
|
RESTART_MARK="$(wc -l < "$OUT" 2>/dev/null || echo 0)" # verify a FRESH line appears later
|
|
case "$SUPERVISOR_KIND" in
|
|
launchd)
|
|
echo " supervision is ON (launchd): using 'launchctl unload' (not kill) so launchd's own"
|
|
echo " KeepAlive cannot restart the OLD jar out from under this script — see the CB-594"
|
|
echo " comment above."
|
|
launchctl unload -w "$LAUNCHD_PLIST" \
|
|
|| die "launchctl unload failed — the daemon may still be under supervision; investigate before retrying"
|
|
;;
|
|
systemd)
|
|
echo " supervision is ON (systemd --user): using 'systemctl --user stop' (not kill) so"
|
|
echo " systemd's own Restart=on-failure cannot restart the OLD jar out from under this"
|
|
echo " script — see the fleetd #492 comment above."
|
|
systemctl --user stop "$SYSTEMD_UNIT" \
|
|
|| die "'systemctl --user stop $SYSTEMD_UNIT' failed — the daemon may still be under supervision; investigate before retrying"
|
|
;;
|
|
none)
|
|
kill "$OLD_PID"
|
|
;;
|
|
*)
|
|
# fleetd #492 follow-up: this block ACTS (stops the daemon one specific way per kind) — an
|
|
# unrecognised value must never fall through to a default action, silently picking the wrong
|
|
# one (or none at all) while reporting success. (Unreachable today: require_drivable_
|
|
# supervisor already died before this runs. Guards the value nobody has invented yet.)
|
|
die "detect_supervisor returned an unrecognized value '$SUPERVISOR_KIND' at the stop step —
|
|
refusing to guess how to stop a daemon under an unknown supervisor. The daemon was NOT
|
|
stopped." ;;
|
|
esac
|
|
for _ in $(seq "$STOP_WAIT"); do
|
|
[ -z "$(running_pid)" ] && break
|
|
sleep 1
|
|
done
|
|
if [ -n "$(running_pid)" ]; then
|
|
die "pid $OLD_PID still alive after ${STOP_WAIT}s. Not escalating to kill -9 automatically:
|
|
the shutdown hook releases sessions and worktrees in order, and killing it hard can
|
|
leave worktrees and panes behind. Investigate, then kill -9 by hand if you accept that."
|
|
fi
|
|
ok "pid $OLD_PID exited"
|
|
elif [ "$SUPERVISOR_KIND" = "launchd" ]; then
|
|
# Loaded but not currently running (e.g. throttled after a crash loop). Unload it anyway so the
|
|
# start step below does a clean load, never a load stacked on an already-loaded label.
|
|
say "stop"
|
|
RESTART_MARK="$(wc -l < "$OUT" 2>/dev/null || echo 0)"
|
|
launchctl unload -w "$LAUNCHD_PLIST" 2>/dev/null || true
|
|
ok "launchd agent unloaded (was already not running)"
|
|
elif [ "$SUPERVISOR_KIND" = "systemd" ]; then
|
|
# Same case for systemd: the unit is known/active-capable but not currently running. `stop` on an
|
|
# already-stopped unit is a harmless no-op — kept for symmetry with the launchd branch above.
|
|
say "stop"
|
|
RESTART_MARK="$(wc -l < "$OUT" 2>/dev/null || echo 0)"
|
|
systemctl --user stop "$SYSTEMD_UNIT" 2>/dev/null || true
|
|
ok "systemd --user unit stopped (was already not running)"
|
|
else
|
|
RESTART_MARK="$(wc -l < "$OUT" 2>/dev/null || echo 0)"
|
|
fi
|
|
|
|
# ------------------------------------------------------------------ start
|
|
# Unsupervised: login shell (zsh -l) is what puts the secrets on the daemon's environment, and cwd
|
|
# must be fleetd/ because the daemon resolves fleetd.yaml, logs/ and target/ relative to it.
|
|
# Supervised (launchd): launchd does both — deploy/dev.ltms.fleetd.plist points ProgramArguments at
|
|
# scripts/fleetd-launchd-wrapper.sh (CB-594), which is what execs the login shell in launchd's
|
|
# place, and WorkingDirectory in the plist already pins fleetd/.
|
|
# Supervised (systemd --user): the unit does both too — measured on the second host, ExecStart is
|
|
# `/bin/zsh -lc "exec java -jar target/fleetd.jar fleetd.yaml"` (a login shell, same reason as
|
|
# above) and WorkingDirectory is already pinned to fleetd/.
|
|
|
|
say "start"
|
|
case "$SUPERVISOR_KIND" in
|
|
launchd)
|
|
echo " supervision is ON (launchd): using 'launchctl load' so launchd starts and keeps"
|
|
echo " supervising this process, instead of a manual nohup that launchd would know nothing"
|
|
echo " about."
|
|
# CB-600: 'launchctl unload -w' above already persisted Disabled=true for this label. A load -w
|
|
# that succeeds clears it; a load -w that FAILS leaves the agent both stopped and disabled — worse
|
|
# than before this script ran, because a later reboot or login will not bring it back either. One
|
|
# retry covers a transient race (e.g. launchd not yet fully done deregistering); if it still fails,
|
|
# die with the exact recovery command rather than a bare "failed".
|
|
if ! launchctl load -w "$LAUNCHD_PLIST" 2>/dev/null; then
|
|
warn "launchctl load failed on the first attempt — retrying once after a short pause"
|
|
sleep 2
|
|
launchctl load -w "$LAUNCHD_PLIST" || die "launchctl load failed twice.
|
|
The agent is now STOPPED and DISABLED — it will NOT come back on its own, not even after a
|
|
reboot or login, because 'launchctl unload -w' above persisted Disabled=true and load -w
|
|
never got the chance to clear it. Recover with:
|
|
launchctl load -w \"$LAUNCHD_PLIST\"
|
|
If that still fails, check 'launchctl list $LAUNCHD_LABEL', validate the plist with
|
|
'plutil -lint \"$LAUNCHD_PLIST\"', and check $OUT before assuming a retry will succeed."
|
|
fi
|
|
;;
|
|
systemd)
|
|
echo " supervision is ON (systemd --user): using 'systemctl --user start' so systemd starts"
|
|
echo " and keeps supervising this process, instead of a manual nohup it would know nothing"
|
|
echo " about."
|
|
systemctl --user start "$SYSTEMD_UNIT" || die "'systemctl --user start $SYSTEMD_UNIT' failed.
|
|
Check 'systemctl --user status $SYSTEMD_UNIT' and $OUT before assuming a retry will succeed."
|
|
;;
|
|
none)
|
|
# Absolute jar path so `ps` names which checkout is running.
|
|
( cd "$MODULE" && zsh -lc "nohup java -jar '$JAR' >> fleetd.out 2>&1 &" )
|
|
;;
|
|
*)
|
|
# fleetd #492 follow-up: this block ACTS (starts the daemon one specific way per kind) — an
|
|
# unrecognised value must never fall through to a default action, silently picking the wrong
|
|
# one (or none at all) while reporting success. (Unreachable today: require_drivable_
|
|
# supervisor already died before this runs. Guards the value nobody has invented yet.)
|
|
die "detect_supervisor returned an unrecognized value '$SUPERVISOR_KIND' at the start step —
|
|
refusing to guess how to start a daemon under an unknown supervisor. The daemon was NOT
|
|
started." ;;
|
|
esac
|
|
|
|
for _ in $(seq 10); do
|
|
NEW_PID="$(running_pid)"
|
|
[ -n "$NEW_PID" ] && break
|
|
sleep 1
|
|
done
|
|
[ -n "${NEW_PID:-}" ] || die "no process appeared. Last lines of $OUT:
|
|
$(tail -20 "$OUT" 2>/dev/null)"
|
|
[ "$NEW_PID" != "${OLD_PID:-}" ] || die "pid unchanged ($NEW_PID) — the old daemon never died"
|
|
ok "started, pid $NEW_PID"
|
|
|
|
# ------------------------------------------------------------------ verify
|
|
|
|
say "verify"
|
|
|
|
HEALTH_BODY=""
|
|
for _ in $(seq "$HEALTH_WAIT"); do
|
|
if HEALTH_BODY="$(curl -fsS --max-time 2 "$HEALTH" 2>/dev/null)"; then break; fi
|
|
HEALTH_BODY=""
|
|
sleep 1
|
|
done
|
|
|
|
if [ -z "$HEALTH_BODY" ]; then
|
|
# 503 still means the daemon is up — it means herdr is unreachable. Say which.
|
|
CODE="$(curl -s -o /dev/null -w '%{http_code}' --max-time 2 "$HEALTH" 2>/dev/null || echo 000)"
|
|
if [ "$CODE" = "503" ]; then
|
|
warn "/healthz answers 503 degraded — the daemon is up but herdr is unreachable."
|
|
warn "Spawns will fail. Check herdr before delegating anything."
|
|
curl -s --max-time 2 "$HEALTH" 2>/dev/null | head -3 || true
|
|
else
|
|
die "/healthz never answered within ${HEALTH_WAIT}s (last code: $CODE). Last lines of $OUT:
|
|
$(tail -30 "$OUT" 2>/dev/null)"
|
|
fi
|
|
else
|
|
ok "/healthz 200 — $HEALTH_BODY"
|
|
warn "healthz green only proves herdr ANSWERS. If its protocol number changed, spawns can still"
|
|
warn "fail — prove a real spawn before trusting the fleet."
|
|
fi
|
|
|
|
# A fresh listening line, strictly after the restart mark. An old daemon that never died would
|
|
# otherwise let an old line pass for a new one.
|
|
if tail -n "+$((RESTART_MARK + 1))" "$OUT" 2>/dev/null | grep -q 'fleetd listening'; then
|
|
ok "$(tail -n "+$((RESTART_MARK + 1))" "$OUT" | grep 'fleetd listening' | tail -1)"
|
|
else
|
|
warn "no fresh 'fleetd listening' line after the restart — check $OUT yourself"
|
|
fi
|
|
|
|
# Config keys the daemon accepted or deferred at boot. This is usually WHY you restarted.
|
|
say "config at boot"
|
|
tail -n "+$((RESTART_MARK + 1))" "$OUT" 2>/dev/null \
|
|
| grep -iE 'deferred|classification:|fleet health:|coverage' | tail -8 | sed 's/^/ /' \
|
|
|| echo " (nothing reported)"
|
|
|
|
# Errors since the restart, anchored to the marker so old noise cannot leak in. Keep the fresh
|
|
# region in a file because the classifier must preserve the order of errors and recoveries.
|
|
FRESH_LOG="$(mktemp -t fleetd-fresh-log)"
|
|
trap 'rm -f "$FRESH_LOG"' EXIT
|
|
tail -n "+$((RESTART_MARK + 1))" "$OUT" > "$FRESH_LOG" 2>/dev/null || true
|
|
classify_amqp_connection_errors "$FRESH_LOG"
|
|
|
|
# fleetd #492: checked here, after healthz and the fresh-log check have both had time to run, so a
|
|
# supervisor that revives the OLD jar a few seconds late is caught too. Every check above (healthz
|
|
# 200, jar id, the fresh 'listening' line) is satisfied by EITHER daemon if two are alive — this is
|
|
# the only one that can tell.
|
|
assert_single_daemon "$(running_pid)"
|
|
|
|
say "result"
|
|
ok "pid $NEW_PID, jar $(jar_id)"
|
|
if [ "$REDEPLOY_ERROR_COUNT" -eq 0 ]; then
|
|
ok "no ERROR lines since restart"
|
|
elif [ "$REDEPLOY_UNEXPLAINED_ERRORS" -eq 0 ]; then
|
|
ok "$REDEPLOY_RECOVERED_AMQP_ERRORS AMQP connection reset ERROR lines recovered since restart"
|
|
else
|
|
warn "$REDEPLOY_ERROR_COUNT ERROR lines since restart:"
|
|
grep -E ' (ERROR|SEVERE) ' "$FRESH_LOG" | tail -5 | sed 's/^/ /'
|
|
fi
|
|
echo
|
|
echo " Next: call fleet_whoami and confirm it still answers 'primary'. A lead whose tab label"
|
|
echo " no longer matches fleet.leaders.*.tab is demoted to worker and refuses orchestration."
|
|
echo
|