Compare commits
| Author | SHA1 | Date | |
|---|---|---|---|
 jarvis
|
d6434fc941 |
@@ -233,36 +233,8 @@ assert_owned_tmux_server() {
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fail "tmux server ownership or environment validation failed"
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}
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# Lease-broker socket preflight (#1292). The gated runtime (`mosaic yolo …` →
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# launch-runtime.py) registers with the broker or dies ~4 seconds in, with the
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# diagnostic invisible because tmux destroys the dead pane. This check runs
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# BEFORE any tmux effect — including the ownership probe below — so a host
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# without a broker produces a named, surviving refusal instead of a doomed
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# pane. Exit 75 (EX_TEMPFAIL), distinct from 64 (bad projection) and 69 (host
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# not ready for other reasons); the agent@ unit is Type=oneshot with no
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# Restart=, so the failed unit keeps its message instead of looping. Socket
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# resolution matches launch.ts's defaultLeaseBrokerSocket precedence exactly.
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# This preflight DETECTS and REFUSES — it never starts the broker (activation
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# belongs to the fleet control plane; a component that both detects and fixes
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# cannot be used to measure whether the fix worked).
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broker_socket_path() {
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if [ -n "${MOSAIC_LEASE_BROKER_SOCKET:-}" ]; then
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printf '%s\n' "$MOSAIC_LEASE_BROKER_SOCKET"
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return 0
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fi
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local runtime_dir="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
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printf '%s\n' "${runtime_dir}/mosaic-lease/broker.sock"
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}
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if [ "$MODE" = "launch" ]; then
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_broker_socket=$(broker_socket_path)
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if [ ! -S "$_broker_socket" ]; then
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echo "[fleet] FAIL_LAUNCH broker-absent: lease broker socket ${_broker_socket} missing; runtime launch denied (#1292)." >&2
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echo "[fleet] remedy: systemctl --user enable --now mosaic-lease-broker.service (or reinstall via: mosaic fleet install)" >&2
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exit 75
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fi
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fi
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# Validate exact server ownership before querying, cleaning, or creating any
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# managed session. An unmanaged or contaminated named socket is never repaired.
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assert_owned_tmux_server
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if [ "$MODE" = interaction ]; then
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@@ -1,216 +0,0 @@
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#!/usr/bin/env bash
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# CI-fit regression suite for the #1292 lease-broker socket preflight in
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# start-agent-session.sh.
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#
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# WHY THIS SUITE IS CI-FIT WHERE test-start-agent-session.sh IS NOT (#1017/#1270
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# context): that older suite's precondition is "the host does not have the pi
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# binary", which a CI image that ships pi violates — its guard correctly
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# refuses to report a pass there, so it is excluded from the chain. THIS suite
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# controls its own preconditions instead of inheriting them from the host: a
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# fake tmux on PATH, a fake mosaic on PATH, a real unix socket created in a
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# tmpdir, a hermetic env (env -i, fake HOME, GIT_CONFIG_GLOBAL severed). It
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# never depends on what the host has installed, so a green here means the same
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# thing on every host. Anyone adding cases: keep that property — no case may
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# depend on host state.
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#
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# The failure this suite is written down to catch (#1292): a seat launched on a
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# host with no lease broker dies ~4 seconds in at registration, with the
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# diagnostic invisible because tmux destroys the dead pane. The preflight runs
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# BEFORE any tmux effect and refuses with a NAMED code (exit 75, EX_TEMPFAIL)
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# so the message survives. The agent@ unit is Type=oneshot with no Restart=,
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# so a failed unit keeps its output instead of looping.
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#
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# Cases:
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# 1. absent socket -> exit 75, message names broker-absent + socket path +
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# remedy, and NO tmux session was ever created (the doomed-pane half).
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# 2. present socket (real unix socket in tmpdir) -> proceeds PAST the
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# preflight (the suite then stops at the next precondition, proving the
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# preflight was not the refusal).
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# 3. explicit MOSAIC_LEASE_BROKER_SOCKET wins over XDG_RUNTIME_DIR default.
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# 4. --stop mode does NOT require the broker (teardown must not be fenced on
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# a component whose absence is exactly what teardown may follow).
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#
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# Sabotage control, run by the developer (not in-suite): remove the preflight
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# block from start-agent-session.sh, re-run — case 1 fails (a tmux session is
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# created / exit is not 75), cases 2-4 still pass; restore byte-identically.
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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WORK_DIR="${MOSAIC_TEST_WORK_DIR:-$PWD/.mosaic-test-work/agent-session-broker-preflight}"
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FAKE_HOME="$WORK_DIR/home"
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BIN_DIR="$WORK_DIR/bin"
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ENV_DIR="$WORK_DIR/env"
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SOCK_DIR="$WORK_DIR/sockets"
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LOG_FILE="$WORK_DIR/tmux-calls.log"
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rm -rf "$WORK_DIR"
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# The script asserts a managed directory tree under MOSAIC_HOME: mosaic/,
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# mosaic/fleet/, mosaic/fleet/agents/ — private (0700/0750-style) modes, no
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# symlinks — plus a per-agent env projection. Build the full tree the launcher
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# expects so the suite reaches the BROKER preflight rather than dying at
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# environment validation.
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mkdir -p "$FAKE_HOME/.config/mosaic/fleet/agents" "$BIN_DIR" "$SOCK_DIR"
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chmod 700 "$FAKE_HOME/.config/mosaic" "$FAKE_HOME/.config/mosaic/fleet/agents"
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chmod 750 "$FAKE_HOME/.config/mosaic/fleet"
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cat > "$FAKE_HOME/.config/mosaic/fleet/agents/preflight-test.env.generated" <<'ENVEOF'
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MOSAIC_AGENT_NAME=preflight-test
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MOSAIC_AGENT_CLASS=worker
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MOSAIC_AGENT_RUNTIME=pi
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MOSAIC_AGENT_MODEL=
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MOSAIC_AGENT_REASONING=
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MOSAIC_AGENT_TOOL_POLICY=code
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MOSAIC_AGENT_WORKDIR=/tmp
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MOSAIC_TMUX_SOCKET=mosaic-fleet
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ENVEOF
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chmod 600 "$FAKE_HOME/.config/mosaic/fleet/agents/preflight-test.env.generated"
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# ─── Fake tmux: records every invocation; new-session marks the marker. ────
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: > "$LOG_FILE"
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cat > "$BIN_DIR/tmux" <<SH
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#!/usr/bin/env bash
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printf 'tmux %s\n' "\$*" >> "$LOG_FILE"
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if [[ "\$*" == *new-session* ]]; then
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echo "TMUX-NEW-SESSION-INVOKED" >> "$LOG_FILE"
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fi
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exit 0
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SH
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chmod +x "$BIN_DIR/tmux"
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# ─── Fake mosaic/pi binaries so the script proceeds past its own lookups. ───
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for bin in mosaic pi claude; do
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printf '#!/usr/bin/env bash\nexit 0\n' > "$BIN_DIR/$bin"
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chmod +x "$BIN_DIR/$bin"
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done
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# ─── Minimal launch environment the script expects. ────────────────────────
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# (Enough for the preflight to be reached; later stages will still fail in
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# case 2 — that is expected and asserted.)
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run_session_script() {
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local mode="$1"; shift
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(
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cd "$WORK_DIR"
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env -i HOME="$FAKE_HOME" PATH="$BIN_DIR:/usr/bin:/bin" \
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GIT_CONFIG_GLOBAL=/dev/null GIT_CONFIG_SYSTEM=/dev/null \
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MOSAIC_HOME="$FAKE_HOME/.config/mosaic" \
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AGENT_NAME=preflight-test \
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"$@" \
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bash "$SCRIPT_DIR/start-agent-session.sh" $mode preflight-test
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)
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}
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fail=0
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assert() {
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local desc="$1" expected="$2" actual="$3"
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if [[ "$expected" != "$actual" ]]; then
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echo "FAIL: $desc — expected '$expected', got '$actual'" >&2
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fail=1
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fi
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}
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assert_contains() {
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local desc="$1" haystack="$2" needle="$3"
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[[ "$haystack" == *"$needle"* ]] || { echo "FAIL: $desc — missing '$needle' in: $haystack" >&2; fail=1; }
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}
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assert_not_contains() {
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local desc="$1" haystack="$2" needle="$3"
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if [[ "$haystack" == *"$needle"* ]]; then
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echo "FAIL: $desc — must not contain '$needle'" >&2
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fail=1
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fi
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return 0
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}
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# ─── 1. Absent socket → named refusal, NO tmux session. ────────────────────
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: > "$LOG_FILE"
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stderr_file="$WORK_DIR/stderr-1.tmp"
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set +e
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out=$(run_session_script "" MOSAIC_LEASE_BROKER_SOCKET="$SOCK_DIR/absent.sock" 2>"$stderr_file")
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rc=$?
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set -e
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assert "absent socket exit code" "75" "$rc"
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err=$(cat "$stderr_file")
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assert_contains "absent socket names the failure" "$err" "FAIL_LAUNCH broker-absent"
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assert_contains "absent socket names the socket path" "$err" "$SOCK_DIR/absent.sock"
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assert_contains "absent socket names a remedy" "$err" "mosaic fleet install"
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log1=$(cat "$LOG_FILE")
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assert_not_contains "absent socket must not create a tmux session" "$log1" "TMUX-NEW-SESSION-INVOKED"
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# ─── 2. Present socket → passes the preflight. ─────────────────────────────
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# Expected: ownership/env checks AFTER the preflight may refuse (fixture is
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# minimal by design); the assertion is only that the refusal is NOT
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# broker-absent and the exit is NOT 75.
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# Create a REAL unix socket: a detached python holder binds it and stays alive
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# for the duration (bash cannot create sockets; a foreground python would
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# close the socket on exit and -S on a closed-but-unlinked path fails). Written
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# as a script file + setsid nohup so no job-control/heredoc interaction with
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# set -e can silently kill the suite.
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# AF_UNIX binds cap at 108 path bytes; the suite's workdir exceeds that, so
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# the live socket lives at a SHORT path under /tmp (unique per run, cleaned
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# with the suite). The preflight takes its socket path explicitly, so this
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# stays fully controlled.
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LIVE_SOCK=$(mktemp -u /tmp/mosaic-preflight-XXXXXX.sock)
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trap 'rm -f "$LIVE_SOCK"' EXIT
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rm -f "$SOCK_DIR/live.sock" "$LIVE_SOCK"
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cat > "$SOCK_DIR/holder.py" <<'PY'
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import socket, sys, time
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path = sys.argv[1]
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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s.bind(path)
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s.listen(1)
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time.sleep(120)
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PY
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python3 "$SOCK_DIR/holder.py" "$LIVE_SOCK" >/dev/null 2>"$SOCK_DIR/holder.err" &
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HOLDER_PID=$!
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# Wait for the socket object to exist (bind is near-instant, but do not race it).
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for _ in $(seq 1 50); do
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[ -S "$LIVE_SOCK" ] && break
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sleep 0.1
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done
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if [ ! -S "$LIVE_SOCK" ]; then
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echo "FAIL: could not create live socket fixture (holder pid $HOLDER_PID)" >&2
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ps -p "$HOLDER_PID" -o pid,stat,cmd --no-headers >&2 || echo "(holder exited)" >&2
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cat "$SOCK_DIR/holder.err" >&2 || true
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exit 1
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fi
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: > "$LOG_FILE"
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set +e
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out=$(run_session_script "" MOSAIC_LEASE_BROKER_SOCKET="$LIVE_SOCK" 2>"$WORK_DIR/stderr-2.tmp")
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rc=$?
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set -e
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# The preflight PASSED if the failure (whatever later stage refused) is NOT
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# the broker refusal, and tmux was reached or a later precondition named
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# something else.
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err2=$(cat "$WORK_DIR/stderr-2.tmp")
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assert_not_contains "live socket must not refuse broker-absent" "$err2" "broker-absent"
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if [[ "$rc" == "75" ]]; then
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echo "FAIL: live socket — preflight still refused (exit 75) with a live socket" >&2
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fail=1
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fi
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# ─── 3. Explicit socket env wins over XDG default. ─────────────────────────
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set +e
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out=$(run_session_script "" XDG_RUNTIME_DIR="$SOCK_DIR/no-runtime-here" MOSAIC_LEASE_BROKER_SOCKET="$SOCK_DIR/absent2.sock" 2>"$WORK_DIR/stderr-3.tmp")
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rc=$?
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set -e
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assert "explicit env wins (exit 75)" "75" "$rc"
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assert_contains "explicit env path named" "$(cat "$WORK_DIR/stderr-3.tmp")" "$SOCK_DIR/absent2.sock"
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# ─── 4. --stop is not fenced on the broker. ────────────────────────────────
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: > "$LOG_FILE"
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set +e
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out=$(run_session_script "--stop" MOSAIC_LEASE_BROKER_SOCKET="$SOCK_DIR/absent3.sock" 2>"$WORK_DIR/stderr-4.tmp")
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rc=$?
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set -e
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err4=$(cat "$WORK_DIR/stderr-4.tmp")
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assert_not_contains "--stop must not refuse broker-absent" "$err4" "broker-absent"
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if [[ "$rc" == "75" ]]; then
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echo "FAIL: --stop — exit 75 means teardown was fenced on the broker" >&2
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fail=1
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fi
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kill "$HOLDER_PID" 2>/dev/null || true
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if [[ "$fail" -eq 0 ]]; then
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echo "start-agent-session lease-broker preflight regression passed"
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fi
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exit "$fail"
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@@ -1,177 +0,0 @@
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import { lstat, mkdir, mkdtemp, readFile, rm, symlink, writeFile } from 'node:fs/promises';
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import { tmpdir } from 'node:os';
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import { join } from 'node:path';
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import { afterEach, describe, expect, it } from 'vitest';
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import { placeUnitFile, resolveLeaseBrokerSocketForPreflight } from './fleet.js';
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/**
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* Unit-placement regression harness for #1292.
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*
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* The two measured defects this suite pins:
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* 1. `systemctl enable <name>` does NOT rewrite an existing by-path
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* wants-symlink — so placement must remove stale residue explicitly, and
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* acceptance asserts on the RESULTING SYMLINK TARGET, never on the enable
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* call's argument (asserting the call cannot see where the link ended up).
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* 2. Node's copyFile FOLLOWS a by-path symlink at the destination and
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* overwrites the SEED template. Acceptance asserts on the SEED's bytes
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* AND mtime — unchanged — which is the only check that can redden for
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* finding 2. The symlink-target assertion catches finding 1; these are
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* different defects with different failure modes.
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*
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* Fixtures are entirely inside tmpdirs (source template, active systemd dir,
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* wants dir) — no real host paths are touched by this suite.
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*/
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describe('placeUnitFile (#1292 unit placement)', () => {
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const cleanup: string[] = [];
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afterEach(async () => {
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while (cleanup.length > 0) {
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await rm(cleanup.pop()!, { recursive: true, force: true });
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}
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});
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async function fixture() {
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const root = await mkdtemp(join(tmpdir(), 'place-unit-'));
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cleanup.push(root);
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const seedDir = join(root, 'seed');
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const activeDir = join(root, 'active');
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await mkdir(seedDir, { recursive: true });
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await mkdir(activeDir, { recursive: true });
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const seedTemplate = join(seedDir, 'unit-under-test.service');
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await writeFile(
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seedTemplate,
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'[Unit]\nDescription=seed template\n[Service]\nType=oneshot\nExecStart=/bin/true\n[Install]\nWantedBy=default.target\n',
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);
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const activeSource = join(root, 'active-source.service');
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await writeFile(
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activeSource,
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'[Unit]\nDescription=active copy v2\n[Service]\nType=oneshot\nExecStart=/bin/true\n[Install]\nWantedBy=default.target\n',
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);
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return { root, seedDir, activeDir, seedTemplate, activeSource };
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}
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it('places a regular file on a clean host (negative control: no residue anywhere)', async () => {
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const f = await fixture();
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const result = await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
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expect(result.unlinkedDestinationSymlink).toBe(false);
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expect(result.removedStaleWantsSymlink).toBe(false);
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const info = await lstat(join(f.activeDir, 'unit-under-test.service'));
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expect(info.isSymbolicLink()).toBe(false);
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expect(await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8')).toContain(
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'active copy v2',
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||||
);
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// Seed untouched by construction — but assert it, so the clean-host case
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// cannot silently regress into seed-mutation.
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expect(await readFile(f.seedTemplate, 'utf8')).toContain('seed template');
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});
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it('by-path residue: unlinks destination symlink, places the file, seed bytes AND mtime unchanged (finding 2)', async () => {
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const f = await fixture();
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const seedBefore = await readFile(f.seedTemplate, 'utf8');
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const mtimeBefore = (await lstat(f.seedTemplate)).mtimeMs;
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// The fomo-lin convention: by-path enable left a symlink AT the unit name
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// pointing at the seed template, plus a wants-symlink doing the same.
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await symlink(f.seedTemplate, join(f.activeDir, 'unit-under-test.service'));
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const wantsDir = join(f.activeDir, 'default.target.wants');
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await mkdir(wantsDir, { recursive: true });
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await symlink(f.seedTemplate, join(wantsDir, 'unit-under-test.service'));
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const result = await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
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expect(result.unlinkedDestinationSymlink).toBe(true);
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expect(result.removedStaleWantsSymlink).toBe(true);
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||||
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||||
// FINDING 2's check: the seed is byte-identical and its mtime did not move.
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expect(await readFile(f.seedTemplate, 'utf8')).toBe(seedBefore);
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expect((await lstat(f.seedTemplate)).mtimeMs).toBe(mtimeBefore);
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||||
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// The destination is now a regular file carrying the ACTIVE content.
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const destInfo = await lstat(join(f.activeDir, 'unit-under-test.service'));
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expect(destInfo.isSymbolicLink()).toBe(false);
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expect(await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8')).toContain(
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'active copy v2',
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||||
);
|
||||
});
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||||
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||||
it('by-path residue: no wants-symlink remains pointing at the seed (finding 1 residue cleared)', async () => {
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const f = await fixture();
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await symlink(f.seedTemplate, join(f.activeDir, 'unit-under-test.service'));
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const wantsDir = join(f.activeDir, 'default.target.wants');
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await mkdir(wantsDir, { recursive: true });
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await symlink(f.seedTemplate, join(wantsDir, 'unit-under-test.service'));
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||||
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await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
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||||
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||||
// After placement the stale wants link is GONE (enable-by-name recreates
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||||
// it correctly). A link still present must not point at the seed.
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||||
try {
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||||
const link = await lstat(join(wantsDir, 'unit-under-test.service'));
|
||||
if (link.isSymbolicLink()) {
|
||||
const target = await readFile(join(wantsDir, 'unit-under-test.service'), 'utf8').catch(
|
||||
async () => '',
|
||||
);
|
||||
expect(target).not.toContain('seed template');
|
||||
}
|
||||
} catch {
|
||||
// absent wants link — the expected post-placement state
|
||||
}
|
||||
});
|
||||
|
||||
it('idempotence: second placement on a reconciled host is a no-op producing the identical final state', async () => {
|
||||
const f = await fixture();
|
||||
// Reconciled starting state: regular file at the name, wants link to the active copy.
|
||||
await writeFile(
|
||||
join(f.activeDir, 'unit-under-test.service'),
|
||||
await readFile(f.activeSource, 'utf8'),
|
||||
);
|
||||
const wantsDir = join(f.activeDir, 'default.target.wants');
|
||||
await mkdir(wantsDir, { recursive: true });
|
||||
await symlink(
|
||||
join(f.activeDir, 'unit-under-test.service'),
|
||||
join(wantsDir, 'unit-under-test.service'),
|
||||
);
|
||||
const before = await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8');
|
||||
|
||||
const result = await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
|
||||
// No destructive step fired: no unlink, no wants removal.
|
||||
expect(result.unlinkedDestinationSymlink).toBe(false);
|
||||
expect(result.removedStaleWantsSymlink).toBe(false);
|
||||
// Identical final state.
|
||||
expect(await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8')).toBe(before);
|
||||
const link = await lstat(join(wantsDir, 'unit-under-test.service'));
|
||||
expect(link.isSymbolicLink()).toBe(true);
|
||||
});
|
||||
|
||||
it('double install on by-path residue converges to the identical reconciled state', async () => {
|
||||
const f = await fixture();
|
||||
await symlink(f.seedTemplate, join(f.activeDir, 'unit-under-test.service'));
|
||||
const wantsDir = join(f.activeDir, 'default.target.wants');
|
||||
await mkdir(wantsDir, { recursive: true });
|
||||
await symlink(f.seedTemplate, join(wantsDir, 'unit-under-test.service'));
|
||||
|
||||
await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
|
||||
const first = await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8');
|
||||
const secondRun = await placeUnitFile(f.activeSource, f.activeDir, 'unit-under-test.service');
|
||||
const second = await readFile(join(f.activeDir, 'unit-under-test.service'), 'utf8');
|
||||
expect(secondRun.unlinkedDestinationSymlink).toBe(false);
|
||||
expect(second).toBe(first);
|
||||
});
|
||||
});
|
||||
|
||||
describe('resolveLeaseBrokerSocketForPreflight (#1292 preflight resolution)', () => {
|
||||
it('explicit MOSAIC_LEASE_BROKER_SOCKET wins', () => {
|
||||
expect(
|
||||
resolveLeaseBrokerSocketForPreflight({ MOSAIC_LEASE_BROKER_SOCKET: '/custom/sock' }, 1000),
|
||||
).toBe('/custom/sock');
|
||||
});
|
||||
it('XDG_RUNTIME_DIR next', () => {
|
||||
expect(resolveLeaseBrokerSocketForPreflight({ XDG_RUNTIME_DIR: '/run/user/1001' }, 1000)).toBe(
|
||||
'/run/user/1001/mosaic-lease/broker.sock',
|
||||
);
|
||||
});
|
||||
it('falls back to /run/user/<uid>', () => {
|
||||
expect(resolveLeaseBrokerSocketForPreflight({}, 1002)).toBe(
|
||||
'/run/user/1002/mosaic-lease/broker.sock',
|
||||
);
|
||||
});
|
||||
});
|
||||
@@ -835,25 +835,13 @@ describe('fleet command construction', () => {
|
||||
};
|
||||
const program = new Command();
|
||||
program.exitOverride();
|
||||
// #1292: inject a present broker socket so the preflight passes and this
|
||||
// spec keeps testing its ORIGINAL property (holder-before-agent ordering).
|
||||
// The preflight's own refusal behavior has dedicated specs below.
|
||||
registerFleetCommand(program, {
|
||||
runner,
|
||||
mosaicHome: home,
|
||||
checkBrokerSocket: async () => true,
|
||||
});
|
||||
registerFleetCommand(program, { runner, mosaicHome: home });
|
||||
|
||||
try {
|
||||
await program.parseAsync(['node', 'mosaic', 'fleet', 'start']);
|
||||
await program.parseAsync(['node', 'mosaic', 'fleet', 'stop']);
|
||||
|
||||
expect(calls).toEqual([
|
||||
// #1292: fleet start enables + starts the broker FIRST (enable is
|
||||
// idempotent; the unit exists after install), re-checking the socket
|
||||
// before any holder/agent lifecycle effect.
|
||||
['systemctl', '--user', 'enable', 'mosaic-lease-broker.service'],
|
||||
['systemctl', '--user', 'start', 'mosaic-lease-broker.service'],
|
||||
['systemctl', '--user', 'start', 'mosaic-tmux-holder.service'],
|
||||
['systemctl', '--user', 'start', '[email protected]'],
|
||||
['systemctl', '--user', 'stop', '[email protected]'],
|
||||
@@ -864,92 +852,6 @@ describe('fleet command construction', () => {
|
||||
}
|
||||
});
|
||||
|
||||
it('fleet start refuses with a named error when the broker socket does not appear (#1292)', async () => {
|
||||
const home = await tempDir();
|
||||
const rosterPath = join(home, 'fleet', 'roster.yaml');
|
||||
await mkdir(join(home, 'fleet'), { recursive: true });
|
||||
await writeFile(
|
||||
rosterPath,
|
||||
['version: 1', 'transport: tmux', 'agents:', ' - name: coder0', ' runtime: codex'].join(
|
||||
'\n',
|
||||
),
|
||||
);
|
||||
const calls: string[][] = [];
|
||||
const runner: CommandRunner = async (command, args) => {
|
||||
calls.push([command, ...args]);
|
||||
return { stdout: '', stderr: '', exitCode: 0 };
|
||||
};
|
||||
const program = new Command();
|
||||
program.exitOverride();
|
||||
const errors: string[] = [];
|
||||
const origError = console.error;
|
||||
console.error = (...args: unknown[]) => {
|
||||
errors.push(args.join(' '));
|
||||
};
|
||||
registerFleetCommand(program, {
|
||||
runner,
|
||||
mosaicHome: home,
|
||||
checkBrokerSocket: async () => false,
|
||||
});
|
||||
try {
|
||||
await program.parseAsync(['node', 'mosaic', 'fleet', 'start']);
|
||||
// Refused: no holder/agent starts were issued after the broker attempt.
|
||||
expect(calls).toEqual([
|
||||
['systemctl', '--user', 'enable', 'mosaic-lease-broker.service'],
|
||||
['systemctl', '--user', 'start', 'mosaic-lease-broker.service'],
|
||||
]);
|
||||
expect(errors.join('\n')).toContain('broker-absent');
|
||||
expect(errors.join('\n')).toContain('mosaic fleet install');
|
||||
} finally {
|
||||
console.error = origError;
|
||||
await rm(home, { recursive: true, force: true });
|
||||
}
|
||||
});
|
||||
|
||||
it('fleet start re-probes the broker on the SECOND invocation — no ActiveState trust (#1292 sticky half)', async () => {
|
||||
const home = await tempDir();
|
||||
const rosterPath = join(home, 'fleet', 'roster.yaml');
|
||||
await mkdir(join(home, 'fleet'), { recursive: true });
|
||||
await writeFile(
|
||||
rosterPath,
|
||||
['version: 1', 'transport: tmux', 'agents:', ' - name: coder0', ' runtime: codex'].join(
|
||||
'\n',
|
||||
),
|
||||
);
|
||||
const calls: string[][] = [];
|
||||
const runner: CommandRunner = async (command, args) => {
|
||||
calls.push([command, ...args]);
|
||||
return { stdout: '', stderr: '', exitCode: 0 };
|
||||
};
|
||||
const program = new Command();
|
||||
program.exitOverride();
|
||||
// Broker socket NEVER appears — the second start must refuse exactly like
|
||||
// the first; RemainAfterExit-style stale unit state changes nothing
|
||||
// because the check is the socket, not systemctl.
|
||||
registerFleetCommand(program, {
|
||||
runner,
|
||||
mosaicHome: home,
|
||||
checkBrokerSocket: async () => false,
|
||||
});
|
||||
const errors: string[] = [];
|
||||
const origError = console.error;
|
||||
console.error = (...args: unknown[]) => {
|
||||
errors.push(args.join(' '));
|
||||
};
|
||||
try {
|
||||
await program.parseAsync(['node', 'mosaic', 'fleet', 'start']);
|
||||
await program.parseAsync(['node', 'mosaic', 'fleet', 'start']);
|
||||
// Two invocations, each refusing after its own broker attempt:
|
||||
expect(
|
||||
calls.filter((c) => c.join(' ') === 'systemctl --user start [email protected]'),
|
||||
).toHaveLength(0);
|
||||
expect(errors.filter((e) => e.includes('broker-absent')).length).toBeGreaterThanOrEqual(2);
|
||||
} finally {
|
||||
console.error = origError;
|
||||
await rm(home, { recursive: true, force: true });
|
||||
}
|
||||
});
|
||||
|
||||
it('waits for an in-flight restart to clear before relaunching (re-entry guard)', async () => {
|
||||
const home = await tempDir();
|
||||
const rosterPath = join(home, 'fleet', 'roster.yaml');
|
||||
@@ -2163,19 +2065,8 @@ describe('fleet install — auto-enable units for boot-survival', () => {
|
||||
|
||||
await enableFleetUnits(runner, minimalRoster, {});
|
||||
|
||||
expect(calls).toContainEqual(['systemctl', '--user', 'enable', 'mosaic-lease-broker.service']);
|
||||
expect(calls).toContainEqual(['systemctl', '--user', 'enable', 'mosaic-tmux-holder.service']);
|
||||
expect(calls).toContainEqual(['systemctl', '--user', 'enable', '[email protected]']);
|
||||
// The broker must be enabled BEFORE the holder and agents: a start of any
|
||||
// gated runtime without the broker is exactly the #1292 4-second death.
|
||||
const brokerIndex = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user enable mosaic-lease-broker.service',
|
||||
);
|
||||
const holderIndex = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user enable mosaic-tmux-holder.service',
|
||||
);
|
||||
expect(brokerIndex).toBeGreaterThanOrEqual(0);
|
||||
expect(brokerIndex).toBeLessThan(holderIndex);
|
||||
});
|
||||
|
||||
it('install still succeeds when systemctl enable returns non-zero (non-fatal)', async () => {
|
||||
|
||||
@@ -3,11 +3,9 @@ import {
|
||||
access,
|
||||
chmod,
|
||||
copyFile,
|
||||
lstat,
|
||||
mkdir,
|
||||
open,
|
||||
readFile,
|
||||
readlink,
|
||||
stat,
|
||||
unlink,
|
||||
writeFile,
|
||||
@@ -91,8 +89,6 @@ export type SleepFn = (ms: number) => Promise<void>;
|
||||
|
||||
export interface FleetCommandDeps {
|
||||
runner?: CommandRunner;
|
||||
/** Test seam for the #1292 fleet-start broker preflight (socket presence). */
|
||||
checkBrokerSocket?: (path: string) => Promise<boolean> | boolean;
|
||||
/** Injectable interactive runner for commands needing inherited TTY (e.g., `tmux attach`). */
|
||||
interactiveRunner?: InteractiveRunner;
|
||||
/**
|
||||
@@ -801,96 +797,6 @@ export function buildSystemdEnableCommand(unit: string): string[] {
|
||||
return ['systemctl', '--user', 'enable', unit];
|
||||
}
|
||||
|
||||
/**
|
||||
* Place a unit file into the ACTIVE systemd user directory, never through a
|
||||
* symlink (#1292, measured 2026-08-17).
|
||||
*
|
||||
* ⚠ SET-INDEPENDENCE (fomo-lin, 2026-08-17): the set of unit names carrying
|
||||
* by-path residue and the set of unit names this install copies are
|
||||
* INDEPENDENT. Until 0.0.50 they were disjoint only by accident of which
|
||||
* units the install happened to name — fomo-lin survived copy-through solely
|
||||
* because its one by-path symlink (the broker) was the one unit the install
|
||||
* did NOT copy. Adding the broker to the copy set made the intersection
|
||||
* non-empty on the first run. Whoever adds a fifth unit to the placement
|
||||
* list inherits this helper and its unlink step; do not place units with a
|
||||
* bare copyFile.
|
||||
*
|
||||
* A host provisioned by the enable-by-path convention carries a symlink AT
|
||||
* the unit-name path in ~/.config/systemd/user/ pointing at the shipped
|
||||
* template under ~/.config/mosaic/systemd/user/. Node's copyFile FOLLOWS
|
||||
* that link and overwrites the SEED template instead of placing the active
|
||||
* unit (verified with fs.copyFile on a throwaway systemd user instance) —
|
||||
* silent, rc=0, and it mutates the directory every later reseed reads from.
|
||||
* The same measurement showed `systemctl enable <name>` does NOT rewrite an
|
||||
* existing by-path wants-symlink, so reconciliation must be explicit.
|
||||
*
|
||||
* Placement therefore: if the destination is a symlink, unlink it first
|
||||
* (unlink → copy — copy-then-unlink would mutate the seed and then destroy
|
||||
* the evidence that it did); then copy. Also removes a stale
|
||||
* `default.target.wants/<name>` symlink that points outside the active
|
||||
* directory (readlink — NOT readFile, which follows the link and returns the
|
||||
* target's CONTENT), so the subsequent enable-by-name recreates it against
|
||||
* the active copy. Idempotent: on a clean or already-reconciled destination
|
||||
* every step is a no-op (the copy rewrites identical bytes).
|
||||
*
|
||||
* Returns what was done, for assertions and install reporting.
|
||||
*/
|
||||
export interface PlaceUnitResult {
|
||||
readonly unit: string;
|
||||
readonly destination: string;
|
||||
/** A symlink at the unit-name path was unlinked (by-path residue). */
|
||||
readonly unlinkedDestinationSymlink: boolean;
|
||||
/** A stale wants-symlink pointing outside the active dir was removed. */
|
||||
readonly removedStaleWantsSymlink: boolean;
|
||||
}
|
||||
|
||||
export async function placeUnitFile(
|
||||
source: string,
|
||||
systemdUserDir: string,
|
||||
unit: string,
|
||||
): Promise<PlaceUnitResult> {
|
||||
const destination = join(systemdUserDir, unit);
|
||||
let unlinkedDestinationSymlink = false;
|
||||
try {
|
||||
const destInfo = await lstat(destination);
|
||||
if (destInfo.isSymbolicLink()) {
|
||||
await unlink(destination);
|
||||
unlinkedDestinationSymlink = true;
|
||||
}
|
||||
} catch {
|
||||
// absent destination — nothing to unlink
|
||||
}
|
||||
await copyFile(source, destination);
|
||||
|
||||
let removedStaleWantsSymlink = false;
|
||||
const wantsLink = join(systemdUserDir, 'default.target.wants', unit);
|
||||
try {
|
||||
const wantsInfo = await lstat(wantsLink);
|
||||
if (wantsInfo.isSymbolicLink()) {
|
||||
// readlink — NOT readFile: readFile FOLLOWS the link and returns the
|
||||
// target file's CONTENT, which is not the question being asked.
|
||||
let target: string | undefined;
|
||||
try {
|
||||
target = await readlink(wantsLink);
|
||||
} catch {
|
||||
target = undefined;
|
||||
}
|
||||
// Normalize (systemctl writes absolute targets; a relative one resolves
|
||||
// against the wants dir). A wants-symlink pointing anywhere other than
|
||||
// the active copy (the by-path convention points at the seed template)
|
||||
// survives enable-by-name unchanged — remove it so enable recreates it.
|
||||
if (target !== undefined && resolve(dirname(wantsLink), target) !== destination) {
|
||||
await unlink(wantsLink);
|
||||
removedStaleWantsSymlink = true;
|
||||
}
|
||||
}
|
||||
} catch {
|
||||
// absent wants link — nothing to reconcile
|
||||
}
|
||||
|
||||
return { unit, destination, unlinkedDestinationSymlink, removedStaleWantsSymlink };
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the systemctl --user disable command for a given unit.
|
||||
* Used by `fleet remove` so a removed agent's enabled unit cannot resurrect on
|
||||
@@ -925,22 +831,6 @@ export async function enableFleetUnits(
|
||||
let succeeded = 0;
|
||||
let failed = 0;
|
||||
|
||||
// The lease broker ships with the fleet and every gated runtime needs it
|
||||
// (#1292): seats die at lease registration without it, and no documented
|
||||
// path ever enabled it. Enabled first — alongside the holder — and the
|
||||
// unit must have been placed by installFleet's placeUnitFile step.
|
||||
const brokerResult = await runner(
|
||||
...splitCommand(buildSystemdEnableCommand('mosaic-lease-broker.service')),
|
||||
);
|
||||
if (brokerResult.exitCode === 0) {
|
||||
succeeded++;
|
||||
} else {
|
||||
failed++;
|
||||
process.stderr.write(
|
||||
`Warning: could not enable mosaic-lease-broker.service: ${brokerResult.stderr || brokerResult.stdout || 'non-zero exit'}\n`,
|
||||
);
|
||||
}
|
||||
|
||||
const holderResult = await runner(
|
||||
...splitCommand(buildSystemdEnableCommand('mosaic-tmux-holder.service')),
|
||||
);
|
||||
@@ -1637,7 +1527,7 @@ export function registerFleetCommand(program: Command, deps: FleetCommandDeps =
|
||||
.description('Install local fleet tools and user systemd units')
|
||||
.option('--no-enable', 'Skip enabling units for boot-survival')
|
||||
.action(async (opts: { enable?: boolean }) => {
|
||||
await installFleet(cmd, frameworkRoot, runner);
|
||||
await installFleet(cmd, frameworkRoot);
|
||||
// Unit enablement needs agent names only, so it reads either version.
|
||||
const roster = await loadRosterReadModel(cmd);
|
||||
await enableFleetUnits(runner, roster, opts);
|
||||
@@ -1648,7 +1538,7 @@ export function registerFleetCommand(program: Command, deps: FleetCommandDeps =
|
||||
.description('Install local fleet tools and user systemd units')
|
||||
.option('--no-enable', 'Skip enabling units for boot-survival')
|
||||
.action(async (opts: { enable?: boolean }) => {
|
||||
await installFleet(cmd, frameworkRoot, runner);
|
||||
await installFleet(cmd, frameworkRoot);
|
||||
// Unit enablement needs agent names only, so it reads either version.
|
||||
const roster = await loadRosterReadModel(cmd);
|
||||
await enableFleetUnits(runner, roster, opts);
|
||||
@@ -1701,37 +1591,6 @@ export function registerFleetCommand(program: Command, deps: FleetCommandDeps =
|
||||
);
|
||||
return;
|
||||
}
|
||||
if (action === 'start') {
|
||||
// Broker preflight (#1292), re-probed on EVERY invocation: a
|
||||
// gated runtime started without a live lease broker dies ~4s in
|
||||
// while the unit reports active (RemainAfterExit) — enabling +
|
||||
// starting here and then RE-CHECKING the socket refuses loudly
|
||||
// instead of reporting rc0 over a doomed start. This is the
|
||||
// second-start check as much as the first: it never trusts unit
|
||||
// ActiveState.
|
||||
await runChecked(runner, [
|
||||
'systemctl',
|
||||
'--user',
|
||||
'enable',
|
||||
'mosaic-lease-broker.service',
|
||||
]);
|
||||
await runChecked(runner, [
|
||||
'systemctl',
|
||||
'--user',
|
||||
'start',
|
||||
'mosaic-lease-broker.service',
|
||||
]);
|
||||
if (!(await brokerSocketPresent(deps))) {
|
||||
console.error(
|
||||
'[fleet] broker-absent: lease broker socket did not appear after enable+start (#1292).',
|
||||
);
|
||||
console.error(
|
||||
'[fleet] remedy: mosaic fleet install (it reconciles either enable convention)',
|
||||
);
|
||||
process.exitCode = 1;
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (action === 'restart') {
|
||||
// Serialize the holder+agents teardown/relaunch behind the restart lock
|
||||
// so a re-entrant restart waits for clean shutdown before relaunching,
|
||||
@@ -2490,11 +2349,7 @@ export function registerFleetAgentCommands(
|
||||
});
|
||||
}
|
||||
|
||||
async function installFleet(
|
||||
cmd: Command,
|
||||
frameworkRoot: string,
|
||||
runner: CommandRunner,
|
||||
): Promise<void> {
|
||||
async function installFleet(cmd: Command, frameworkRoot: string): Promise<void> {
|
||||
const activePaths = resolveFleetPaths(cmd.opts<{ mosaicHome: string }>().mosaicHome);
|
||||
assertDefaultMosaicHomeForSystemd(activePaths.mosaicHome);
|
||||
// Read model first: every file this function places is roster-independent, and
|
||||
@@ -2546,40 +2401,18 @@ async function installFleet(
|
||||
for (const toolPath of executableToolPaths) {
|
||||
await chmod(toolPath, 0o755);
|
||||
}
|
||||
// Unit placement (#1292): every unit goes through placeUnitFile — never a
|
||||
// bare copyFile — so a by-path-enable symlink at the destination is
|
||||
// unlinked rather than written through (copy-through would silently
|
||||
// overwrite the SEED template, measured 2026-08-17). The lease broker unit
|
||||
// is placed here too: previously the install named three units and omitted
|
||||
// the broker entirely, which is why no documented path ever enabled it.
|
||||
const placedUnits = await Promise.all(
|
||||
[
|
||||
'mosaic-tmux-holder.service',
|
||||
'[email protected]',
|
||||
'[email protected]',
|
||||
'mosaic-lease-broker.service',
|
||||
].map((unit) =>
|
||||
placeUnitFile(join(frameworkRoot, 'systemd', 'user', unit), activePaths.systemdUserDir, unit),
|
||||
),
|
||||
await copyFile(
|
||||
join(frameworkRoot, 'systemd', 'user', 'mosaic-tmux-holder.service'),
|
||||
join(activePaths.systemdUserDir, 'mosaic-tmux-holder.service'),
|
||||
);
|
||||
const reconciled = placedUnits.filter(
|
||||
(result) => result.unlinkedDestinationSymlink || result.removedStaleWantsSymlink,
|
||||
await copyFile(
|
||||
join(frameworkRoot, 'systemd', 'user', '[email protected]'),
|
||||
join(activePaths.systemdUserDir, '[email protected]'),
|
||||
);
|
||||
await copyFile(
|
||||
join(frameworkRoot, 'systemd', 'user', '[email protected]'),
|
||||
join(activePaths.systemdUserDir, '[email protected]'),
|
||||
);
|
||||
if (reconciled.length > 0) {
|
||||
console.log(
|
||||
`Reconciled ${reconciled.length} unit placement(s) from by-path enable residue: ${reconciled.map((r) => r.unit).join(', ')}`,
|
||||
);
|
||||
}
|
||||
// systemd will not see a replaced unit file without a reload; do it once
|
||||
// after all placements, before any enable call below. runCommand never
|
||||
// rejects (it resolves exitCode 127 on spawn error), so a plain await with
|
||||
// an exitCode check matches the rest of this file's systemctl handling.
|
||||
const reloadResult = await runner(...splitCommand(['systemctl', '--user', 'daemon-reload']));
|
||||
if (reloadResult.exitCode !== 0) {
|
||||
process.stderr.write(
|
||||
`Warning: systemctl --user daemon-reload after unit placement failed (non-systemd host?): ${reloadResult.stderr || reloadResult.stdout || 'non-zero exit'}\n`,
|
||||
);
|
||||
}
|
||||
|
||||
// On roster v2 the reconciler owns the generated env: `apply` writes it and
|
||||
// `regen` rebuilds it, both from projectRosterV2AgentGeneratedEnv. Writing it
|
||||
@@ -2776,40 +2609,6 @@ function splitCommand(command: string[]): [string, string[]] {
|
||||
return [bin, args];
|
||||
}
|
||||
|
||||
/**
|
||||
* Lease-broker socket presence for the fleet-start preflight (#1292).
|
||||
* Resolution precedence matches launch.ts's defaultLeaseBrokerSocket and
|
||||
* start-agent-session.sh's broker_socket_path: explicit
|
||||
* MOSAIC_LEASE_BROKER_SOCKET, else $XDG_RUNTIME_DIR/mosaic-lease/broker.sock,
|
||||
* else /run/user/<uid>/mosaic-lease/broker.sock. Pure filesystem check — this
|
||||
* deliberately does NOT consult systemd state: a unit can be active
|
||||
* (RemainAfterExit) with no live socket, and the socket is the thing the
|
||||
* gated runtime connects to. Injectable via deps for tests.
|
||||
*/
|
||||
export function resolveLeaseBrokerSocketForPreflight(
|
||||
env: NodeJS.ProcessEnv = process.env,
|
||||
uid: number = typeof process.getuid === 'function' ? process.getuid() : 0,
|
||||
): string {
|
||||
if (env['MOSAIC_LEASE_BROKER_SOCKET']) return env['MOSAIC_LEASE_BROKER_SOCKET'];
|
||||
const runtimeDir = env['XDG_RUNTIME_DIR'] ?? `/run/user/${uid}`;
|
||||
return join(runtimeDir, 'mosaic-lease', 'broker.sock');
|
||||
}
|
||||
|
||||
async function brokerSocketPresent(
|
||||
deps: FleetCommandDeps,
|
||||
env: NodeJS.ProcessEnv = process.env,
|
||||
): Promise<boolean> {
|
||||
const check = deps.checkBrokerSocket;
|
||||
if (check) return check(resolveLeaseBrokerSocketForPreflight(env));
|
||||
try {
|
||||
const socketPath = resolveLeaseBrokerSocketForPreflight(env);
|
||||
await access(socketPath, constants.S_IFSOCK);
|
||||
return true;
|
||||
} catch {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/** All supported fleet profile names. */
|
||||
export type FleetProfile =
|
||||
| 'general'
|
||||
|
||||
@@ -205,12 +205,6 @@ export async function runLeaseEnforcementDoctorCheck(
|
||||
message:
|
||||
`Lease-enforcement hooks (${matchedMarkers.join(', ')}) are wired in ~/.claude/settings.json, but ${reasons.join(' and ')}. ` +
|
||||
'Every gated tool call will fail closed and BRICK this agent (see #869). ' +
|
||||
// #1292: one remedy, correct under BOTH enable conventions (by-path on
|
||||
// the seed template, and copy-then-enable in the active dir). Written
|
||||
// from the 2026-08-17 symlink measurement: `systemctl enable` by name
|
||||
// does NOT rewrite an existing by-path wants-symlink, so teaching a
|
||||
// manual systemctl line here could leave a host with two competing
|
||||
// wants links. fleet install reconciles either shape.
|
||||
'Remedy: run `mosaic fleet install` (it reconciles either enable convention), or remove the enforcement hooks from ~/.claude/settings.json.',
|
||||
'Remediate by activating the lease-broker supervisor (systemd unit + socket) or by removing the enforcement hooks from ~/.claude/settings.json.',
|
||||
};
|
||||
}
|
||||
|
||||
@@ -459,7 +459,6 @@ describe('FCM-M3-002 reconciler lifecycle acceptance', (): void => {
|
||||
plan: {
|
||||
generation: 7,
|
||||
holder: 'owned',
|
||||
broker: { unitInstalled: false, socketPresent: false },
|
||||
agents: [
|
||||
{
|
||||
name: 'coder0',
|
||||
|
||||
@@ -92,112 +92,6 @@ async function run(command: FleetReconcileCommand, overrides: Partial<FleetRecon
|
||||
}
|
||||
|
||||
describe('fleet roster-owned reconciler', (): void => {
|
||||
// ── #1292: broker as first-class plan member + broker-first start ordering ──
|
||||
|
||||
it('reports broker unit and socket state in the plan (socket is the signal, not unit state)', async (): Promise<void> => {
|
||||
const result = await run('status', {
|
||||
statPath: async () => true,
|
||||
checkBrokerSocket: async () => true,
|
||||
});
|
||||
expect(result.plan.broker).toEqual({ unitInstalled: true, socketPresent: true });
|
||||
});
|
||||
|
||||
it('reports a dead broker as socketPresent=false even when the unit is installed (enabled-but-dead is the #1292 shape)', async (): Promise<void> => {
|
||||
const result = await run('status', {
|
||||
statPath: async () => true,
|
||||
checkBrokerSocket: async () => false,
|
||||
});
|
||||
expect(result.plan.broker).toEqual({ unitInstalled: true, socketPresent: false });
|
||||
});
|
||||
|
||||
it('reports broker-absent when neither seam is present (defaults false, never guesses healthy)', async (): Promise<void> => {
|
||||
const result = await run('status');
|
||||
expect(result.plan.broker).toEqual({ unitInstalled: false, socketPresent: false });
|
||||
});
|
||||
|
||||
it('command start enables and starts the broker BEFORE the holder and any agent unit', async (): Promise<void> => {
|
||||
const calls: string[][] = [];
|
||||
const result = await run('start', {
|
||||
runner: async (command, args) => {
|
||||
calls.push([command, ...args]);
|
||||
if (command === 'tmux' && args.includes('list-sessions')) {
|
||||
return { stdout: '_holder\ncoder0\n', stderr: '', exitCode: 0 };
|
||||
}
|
||||
if (command === 'tmux' && args.includes('show-environment')) {
|
||||
return {
|
||||
stdout:
|
||||
'HOME=/home/mosaic\nMOSAIC_FLEET_OWNER=11111111-1111-4111-8111-111111111111\nMOSAIC_TMUX_HOLDER=_holder\nMOSAIC_TMUX_SOCKET=mosaic-fleet\nPATH=/usr/bin:/bin\nPWD=/home/mosaic\n',
|
||||
stderr: '',
|
||||
exitCode: 0,
|
||||
};
|
||||
}
|
||||
return { stdout: '', stderr: '', exitCode: 0 };
|
||||
},
|
||||
});
|
||||
expect(result.lifecycle).toBe('complete');
|
||||
const brokerEnable = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user enable mosaic-lease-broker.service',
|
||||
);
|
||||
const brokerStart = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user start mosaic-lease-broker.service',
|
||||
);
|
||||
const holderStart = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user start mosaic-tmux-holder.service',
|
||||
);
|
||||
const agentStart = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user start [email protected]',
|
||||
);
|
||||
expect(brokerEnable).toBeGreaterThanOrEqual(0);
|
||||
expect(brokerStart).toBeGreaterThan(brokerEnable);
|
||||
// Holder start may be absent (holder 'owned' in this fixture); if present it must follow the broker.
|
||||
if (holderStart >= 0) expect(holderStart).toBeGreaterThan(brokerStart);
|
||||
expect(agentStart).toBeGreaterThan(brokerStart);
|
||||
});
|
||||
|
||||
it('apply with a running desired agent also enables and starts the broker first', async (): Promise<void> => {
|
||||
const calls: string[][] = [];
|
||||
const runningRoster: FleetRosterV2 = {
|
||||
...roster,
|
||||
agents: roster.agents.map((agent) =>
|
||||
agent.name === 'coder0'
|
||||
? { ...agent, lifecycle: { enabled: true, desiredState: 'running' as const } }
|
||||
: agent,
|
||||
),
|
||||
};
|
||||
const result = await executeFleetReconcile({
|
||||
roster: runningRoster,
|
||||
command: 'apply',
|
||||
expectedGeneration: 7,
|
||||
deps: deps({
|
||||
readRoster: async () => runningRoster,
|
||||
runner: async (command, args) => {
|
||||
calls.push([command, ...args]);
|
||||
if (command === 'tmux' && args.includes('list-sessions')) {
|
||||
return { stdout: '_holder\n', stderr: '', exitCode: 0 };
|
||||
}
|
||||
if (command === 'tmux' && args.includes('show-environment')) {
|
||||
return {
|
||||
stdout:
|
||||
'HOME=/home/mosaic\nMOSAIC_FLEET_OWNER=11111111-1111-4111-8111-111111111111\nMOSAIC_TMUX_HOLDER=_holder\nMOSAIC_TMUX_SOCKET=mosaic-fleet\nPATH=/usr/bin:/bin\nPWD=/home/mosaic\n',
|
||||
stderr: '',
|
||||
exitCode: 0,
|
||||
};
|
||||
}
|
||||
return { stdout: '', stderr: '', exitCode: 0 };
|
||||
},
|
||||
}),
|
||||
});
|
||||
expect(result.applied).toBe(true);
|
||||
const brokerStart = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user start mosaic-lease-broker.service',
|
||||
);
|
||||
const agentStart = calls.findIndex(
|
||||
(c) => c.join(' ') === 'systemctl --user start [email protected]',
|
||||
);
|
||||
expect(brokerStart).toBeGreaterThanOrEqual(0);
|
||||
expect(agentStart).toBeGreaterThan(brokerStart);
|
||||
});
|
||||
|
||||
it('fails closed on a symlinked fleet ancestor without touching its target', async (): Promise<void> => {
|
||||
const home = await lockHome();
|
||||
const fleet = join(home, 'fleet');
|
||||
|
||||
@@ -43,10 +43,6 @@ export interface FleetReconcileDeps {
|
||||
readonly overrideDir?: string;
|
||||
readonly homeDirectory?: string;
|
||||
readonly readHolderIdentity?: () => Promise<string>;
|
||||
/** Test/observation seams for the lease-broker plan member (#1292). */
|
||||
readonly statPath?: (path: string) => Promise<boolean> | boolean;
|
||||
readonly checkBrokerSocket?: (path: string) => Promise<boolean> | boolean;
|
||||
readonly brokerSocketEnv?: NodeJS.ProcessEnv;
|
||||
readonly validateRoster?: (roster: FleetRosterV2) => Promise<void>;
|
||||
readonly prepareProjections?: (roster: FleetRosterV2) => Promise<readonly unknown[]>;
|
||||
readonly applyProjection?: (prepared: unknown) => Promise<unknown>;
|
||||
@@ -78,17 +74,6 @@ export interface FleetReconcileObservedAgent {
|
||||
export interface FleetReconcilePlan {
|
||||
readonly generation: number;
|
||||
readonly holder: 'owned' | 'missing' | 'ownership-mismatch';
|
||||
/**
|
||||
* Lease broker observation (#1292): every gated runtime registers with the
|
||||
* broker or dies ~4s in — a broker not in the plan cannot be reported as
|
||||
* drifted, which made "broker died an hour ago" and "broker fine"
|
||||
* produce identical output. `unitInstalled` = unit file present in the
|
||||
* active dir; `socketPresent` = live broker at the resolved socket path.
|
||||
*/
|
||||
readonly broker: {
|
||||
readonly unitInstalled: boolean;
|
||||
readonly socketPresent: boolean;
|
||||
};
|
||||
readonly agents: readonly FleetReconcileObservedAgent[];
|
||||
readonly unmanagedSessions: readonly string[];
|
||||
}
|
||||
@@ -329,39 +314,6 @@ function isObservational(command: FleetReconcileCommand): boolean {
|
||||
return command === 'plan' || command === 'status' || command === 'verify' || command === 'doctor';
|
||||
}
|
||||
|
||||
/**
|
||||
* Observe the lease broker for the plan (#1292). Unit presence via systemctl
|
||||
* is-system-running is NOT the signal — a unit can be enabled-but-dead. The
|
||||
* authoritative signal is the socket the gated runtimes connect to, matching
|
||||
* broker-supervisor.ts's `checkBrokerSupervisorHealth` (healthy ===
|
||||
* socketPresent). Injectable so tests drive every branch without a broker.
|
||||
*/
|
||||
async function observeBroker(deps: FleetReconcileDeps): Promise<FleetReconcilePlan['broker']> {
|
||||
const homeDirectory = deps.homeDirectory ?? homedir();
|
||||
const env = (deps.brokerSocketEnv ?? process.env) as NodeJS.ProcessEnv;
|
||||
const uid = typeof process.getuid === 'function' ? process.getuid() : 0;
|
||||
const runtimeDir = env['XDG_RUNTIME_DIR'] ?? `/run/user/${uid}`;
|
||||
const socketPath =
|
||||
env['MOSAIC_LEASE_BROKER_SOCKET'] ?? join(runtimeDir, 'mosaic-lease', 'broker.sock');
|
||||
const configHome = env['XDG_CONFIG_HOME'] ?? join(homeDirectory, '.config');
|
||||
const unitPath = join(configHome, 'systemd', 'user', 'mosaic-lease-broker.service');
|
||||
const statPath = deps.statPath;
|
||||
const checkBrokerSocket = deps.checkBrokerSocket;
|
||||
let unitInstalled = false;
|
||||
let socketPresent = false;
|
||||
try {
|
||||
unitInstalled = statPath ? await statPath(unitPath) : false;
|
||||
} catch {
|
||||
unitInstalled = false;
|
||||
}
|
||||
try {
|
||||
socketPresent = checkBrokerSocket ? await checkBrokerSocket(socketPath) : false;
|
||||
} catch {
|
||||
socketPresent = false;
|
||||
}
|
||||
return { unitInstalled, socketPresent };
|
||||
}
|
||||
|
||||
async function observeFleet(
|
||||
roster: FleetRosterV2,
|
||||
deps: FleetReconcileDeps,
|
||||
@@ -372,12 +324,10 @@ async function observeFleet(
|
||||
'-F',
|
||||
'#{session_name}',
|
||||
]);
|
||||
const broker = await observeBroker(deps);
|
||||
if (sessionsResult.exitCode !== 0) {
|
||||
return {
|
||||
generation: roster.generation,
|
||||
holder: 'missing',
|
||||
broker,
|
||||
agents: await observeAgents(roster, deps, new Set<string>()),
|
||||
unmanagedSessions: [],
|
||||
};
|
||||
@@ -400,7 +350,6 @@ async function observeFleet(
|
||||
return {
|
||||
generation: roster.generation,
|
||||
holder,
|
||||
broker,
|
||||
agents: await observeAgents(roster, deps, sessions),
|
||||
unmanagedSessions: Object.freeze(unmanagedSessions.sort()),
|
||||
};
|
||||
@@ -568,24 +517,6 @@ async function executeExplicitLifecycle(
|
||||
}
|
||||
}
|
||||
try {
|
||||
// Broker FIRST (#1292): a gated runtime started without a running lease
|
||||
// broker dies ~4 seconds in at registration — enable the unit (install
|
||||
// places it) and start it before any holder/agent lifecycle effect. The
|
||||
// socket re-check after start is the same probe observeBroker uses, so a
|
||||
// unit that starts but never produces a socket is caught here, not four
|
||||
// seconds later inside a doomed seat.
|
||||
if (request.command === 'start') {
|
||||
await runChecked(request.deps, 'systemctl', [
|
||||
'--user',
|
||||
'enable',
|
||||
'mosaic-lease-broker.service',
|
||||
]);
|
||||
await runChecked(request.deps, 'systemctl', [
|
||||
'--user',
|
||||
'start',
|
||||
'mosaic-lease-broker.service',
|
||||
]);
|
||||
}
|
||||
if (request.command === 'start' && plan.holder === 'missing') {
|
||||
await runChecked(request.deps, 'systemctl', [
|
||||
'--user',
|
||||
@@ -631,12 +562,6 @@ async function applyDesiredLifecycle(
|
||||
(agent: FleetRosterV2Agent): boolean =>
|
||||
agent.lifecycle.enabled && agent.lifecycle.desiredState === 'running',
|
||||
);
|
||||
// Broker before any running agent, same ordering and reason as the
|
||||
// command-driven path above (#1292).
|
||||
if (needsRunningAgent) {
|
||||
await runChecked(deps, 'systemctl', ['--user', 'enable', 'mosaic-lease-broker.service']);
|
||||
await runChecked(deps, 'systemctl', ['--user', 'start', 'mosaic-lease-broker.service']);
|
||||
}
|
||||
if (needsRunningAgent && plan.holder === 'missing') {
|
||||
await runChecked(deps, 'systemctl', ['--user', 'start', 'mosaic-tmux-holder.service']);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,73 @@
|
||||
# 2026-08-17 — Fleet identity, comms delivery, and the ~/.mosaic tree (continuation record)
|
||||
|
||||
> **Status:** active continuation record | **Owner:** Jason (rulings) / fleet (delivery) | **Created:** 2026-08-17, sb-it-1-dt session with Jarvis (jarvis-brain)
|
||||
> **Audience:** the homelab agents continuing this effort tonight. Read this whole file before acting; it supersedes nothing but preserves structure and decisions that must not be lost.
|
||||
|
||||
---
|
||||
|
||||
## Why this exists
|
||||
|
||||
A session on sb-it-1-dt (2026-08-17) produced three architecture decisions (two awaiting Jason's ruling), one incident postmortem (#1295), interim guardrail edits in the user-owned `~/.mosaic/` contract tree, and one new tool (`ensure-watcher.sh`). The work spans jarvis-brain (P0, not retained) and this repo (the product). **This file is the stack-side anchor so continuation does not depend on jarvis-brain surviving.**
|
||||
|
||||
## 1. The `~/.mosaic` tree model — as-built, preserve this structure
|
||||
|
||||
Three-tree split (this is design intent, not accident; keep it through all framework work):
|
||||
|
||||
| Tree | Owner | Rule |
|
||||
| ------------------- | --------- | ------------------------------------------------------------------------------------------------------------- |
|
||||
| `~/.config/mosaic/` | framework | upgrade-managed templates; NEVER user-edited; `mosaic upgrade` may overwrite |
|
||||
| `~/.mosaic/` | user | working contracts, guides, fleet agents; upgrades reconcile with **deny-wins** (user edits never overwritten) |
|
||||
| repo satellites | repos | bootstrapped per-repo `.mosaic/` state |
|
||||
|
||||
As-built inventory of `~/.mosaic` on sb-it-1-dt (2026-08-17):
|
||||
|
||||
- **Contract core:** `CONSTITUTION.md` (L0 law), `AGENTS.md` (dispatcher + guide router + Fleet Comms Watcher requirement), `SOUL.md` (generic base for ALL fleet agents, zero persona — includes the new **Fleet Boundaries** section), `STANDARDS.md` (universal standards — includes new **session identity** + **comms watcher hygiene** sections), `SYSTEM.md` (pure communication contract, byte-identical to jarvis-brain's prompt-testing `sr_opus_5_system_prompt.md`), `USER.md`, `TOOLS.md`.
|
||||
- **`guides/`** — user-owned working copies (E2E-DELIVERY, ORCHESTRATOR(+PROTOCOL,+LEARNINGS), WAKE-DOCTRINE, VAULT-SECRETS, etc.).
|
||||
- **`fleet/agents/`** — the per-agent store (this is MOSAIC-D-002's substrate, already in use):
|
||||
- real agent dirs: `fargo/`, `orchestrator/`, `probe/`, `vision/`, `weekly-update/` — shape: `profile.json` (harness/account/overlay pointer) + `overlay.json` + `SOUL.md` (persona) + `scratch/` `work/` `notes/` subdirs (hygiene rules in root SOUL.md)
|
||||
- `*.env.generated` launch overlays: `luna` `sol` `terra` (carry `MOSAIC_AGENT_NAME`, `_CLASS`, `_RUNTIME`, `_MODEL`, `_REASONING`, `_TOOL_POLICY`) — these are the mosaic-fleet seat launch envs; `inbox.env`, `itops.env` also present
|
||||
- `probe/` is the validated layout proof: auth-bundle symlink chain, per-agent sessions, plugin-store symlink (from 2026-08-07)
|
||||
- **`auth/`, `config/`, `memory/`, `plugins/`, `skills/`, `skills-local/`** — per-tree copies/links for runtime isolation.
|
||||
- Related but outside the tree: watcher units at `~/.config/systemd/user/<agent>-comms-watcher.service`; watcher seen-state at `~/.local/state/comms-watcher-<agent>/`.
|
||||
|
||||
## 2. Decisions register (2026-08-17 session)
|
||||
|
||||
Full strict records live in jarvis-brain `docs/decisions/mosaic-stack/` (render on its dashboard); both are **Pending Jason's ruling**. Summaries so the content survives P0:
|
||||
|
||||
- **MOSAIC-D-001 — SYSTEM.md as canonical harness system prompt.** Static core (Constitution+AGENTS+USER+overlays) in one tracked file; launcher renders dynamic tail (mission/PRD/fleet/persona). Delivery: `--append-system-prompt` (repeatable) for pi/claude; symlinked core file for codex (`$CODEX_HOME/instructions.md`) and opencode (`AGENTS.md`); their dynamic tail via initial prompt (needs live verification). Static-first order is the cache win. `SYSTEM.md` in `~/.mosaic` today is the communication-contract file — D-001's SYSTEM.md is the broader composition; naming to reconcile at implementation.
|
||||
- **MOSAIC-D-002 — per-agent harness homes + mechanical profiles.** Launch with targeted config-dir env vars (e.g. `PI_CODING_AGENT_DIR=~/.mosaic/fleet/agents/<name>/pi`), NOT literal HOME. SOUL.md identity mechanically generated from roster (single writer; kills the hand-copy drift measured in `agents/vision/SOUL.md` on jarvis-brain: declared Jarvis, answered Vision). Composes: SYSTEM core → per-agent SOUL → dynamic tail. `MOSAIC_AGENT_NAME` stays load-bearing for comms.
|
||||
- **Comms delivery tooling belongs in the STACK framework, not jarvis-brain** (decided in discussion; supersedes the interim placement). jarvis-brain keeps only the transport _data_ (`comms/` tree) while it lives. Agents launch from their own repos (terra from `~/src/stack` etc.) — delivery is transport-repo-relative, so this works; but every installed watcher unit's ExecStart currently points into `~/src/jarvis-brain/scripts/` — that dependency is the P0 trap to remove. Migration = move tools + regenerate units, in one step.
|
||||
- **Watcher provisioning is instantiation duty, never running-agent duty.** Interim landed as jarvis-brain `scripts/comms/ensure-watcher.sh` (idempotent ensure + `--status` boot check + interim identity warnings: missing target session, pane `MOSAIC_AGENT_NAME` mismatch via `/proc/<child>/environ`, bare-runtime NOTE). Framework move: fold into `mosaic agent --new` + fleet launch + `mosaic doctor` drift check.
|
||||
- **Prose guardrails landed (interim fences until mechanical fixes):** `~/.mosaic/SOUL.md` Fleet Boundaries (wrong-session tripwire; comms ownership; cross-agent investigation requires tasking) · `STANDARDS.md` session identity + watcher hygiene · `AGENTS.md` Fleet Comms Watcher requirement (P0-interim script path marked transitional).
|
||||
|
||||
## 3. Incident → #1295 (already tracked here)
|
||||
|
||||
`https://git.mosaicstack.dev/mosaicstack/stack/issues/1295` — docs-seat incident: cwd-keyed session files served three lives (dev chat → goals seat → 22 watcher injections into a wedged process); name-based watcher delivery with no identity verification; wedge after pi 0.84.1→0.84.2 update passes every liveness instrument. Proposed fixes enumerated there; provisioning follow-up in comment ID 23027.
|
||||
|
||||
## 4. Open work queue (suggested sequence)
|
||||
|
||||
1. **Comms tooling migration PR** (lane `next`): move `comms-watcher.sh`, `install-watcher.sh`, `ensure-watcher.sh` into the framework tree → deploy `~/.config/mosaic/tools/comms/`; regenerate existing units' ExecStart to framework paths (one-command sweep); keep `COMMS_WATCH_REPO` per-host config (points at a brain checkout until the queue transport lands). Reference: jarvis-brain commit `701c353b1`.
|
||||
2. **Ensure-on-instantiation**: `mosaic agent --new` / fleet launch call ensure semantics; `mosaic doctor` gains the drift check (`--status --all` semantics + `fred`'s hand-written unit as the known drift case; also note daphne/docs/happy/pepper/sanity/tiny/fargo currently have no watcher — cover or consciously exempt).
|
||||
3. **MOSAIC-D-002 implementation** (after ruling): per-agent homes via targeted env vars; roster-generated SOUL.md single-writer; extend the existing `*.env.generated` pattern; launch ledger keeps `config_home` audit.
|
||||
4. **MOSAIC-D-001 implementation** (after ruling): SYSTEM.md sourcing + per-harness delivery + `compose-contract` becomes render-core+tail with drift check; bench cache-ordering before/after (jarvis-brain `domains/software-dev/mosaic-stack/prompt-testing` has the bench).
|
||||
5. **Queue transport + forced separation** (longer term): supersedes watcher path; identity-verification and wedge-detection remain valid regardless of transport.
|
||||
6. **Docs inheritance**: jarvis-brain AGENTS.md's durable comms guidance (E7 pi-glyph delivery gotchas, capture-pane rules, comms protocol) must be inherited into stack docs before P0 retirement.
|
||||
|
||||
## 5. Rules for tonight's agents
|
||||
|
||||
- Lane: **`next`** only; nothing to `main` without Jason (standing ruling).
|
||||
- Attribution caveat #1280: Gitea/git identity from this host may misattribute (issue #1295 showed as created by `@mos-dt-0`); prefer per-invocation `git -c user.name=<seat>` and verify what the remote recorded.
|
||||
- Do not delete `sb-it-1-dt:docs]` (untracked file at repo root) — it is cited fleet-wide as incident evidence.
|
||||
- Edit user contracts in `~/.mosaic/`, never the templates in `~/.config/mosaic/`.
|
||||
- Do not restart other fleet seats unilaterally (goals/scrappy/sanity restart decisions are fred's/Jason's per the docs-seat report).
|
||||
|
||||
## 6. Artifact map
|
||||
|
||||
| Artifact | Where |
|
||||
| ------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------ |
|
||||
| Decision records D-001/D-002 (strict, pending ruling) | jarvis-brain `docs/decisions/mosaic-stack/2026-08-17_mosaic-d-00{1,2}_*.md` |
|
||||
| Incident issue + provisioning comment | stack #1295 + comment 23027 |
|
||||
| ensure-watcher.sh (reference implementation) | jarvis-brain `scripts/comms/ensure-watcher.sh` (commit `701c353b1`) |
|
||||
| Bench for prompt A/B (pi, thinking levels, footer-token semantics) | jarvis-brain `domains/software-dev/mosaic-stack/prompt-testing/` + `docs/reports/2026-08-17-prompt-testing-glm-bench.md` |
|
||||
| Launcher inspection basis | `@mosaicstack/mosaic` 0.0.49 `dist/commands/launch.js` (composeContract / ensureRuntimeConfig / harness-home isolation) |
|
||||
| Guardrail edits | `~/.mosaic/{SOUL,AGENTS,STANDARDS}.md` on sb-it-1-dt (2026-08-17 16:53–17:04) |
|
||||
Reference in New Issue
Block a user