Josh Knapp
2e81b52205
Introduces a cron-based scheduler that lets Claude set up recurring and one-time tasks inside containers. Tasks run as separate Claude Code agents and persist across container recreation via the named volume. New files: - container/triple-c-scheduler: CLI for add/remove/enable/disable/list/logs/run/notifications - container/triple-c-task-runner: cron wrapper with flock, logging, notifications, auto-cleanup Key changes: - Dockerfile: add cron package and COPY both scripts - entrypoint.sh: timezone setup, cron daemon, crontab restore, env saving - container.rs: init=true for zombie reaping, TZ env, scheduler instructions, timezone recreation check - image.rs: embed scheduler scripts in build context - app_settings.rs + types.ts: timezone field - settings_commands.rs: detect_host_timezone via iana-time-zone crate - SettingsPanel.tsx: timezone input with auto-detection Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
143 lines
5.2 KiB
Bash
143 lines
5.2 KiB
Bash
#!/bin/bash
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# triple-c-task-runner — Executes a scheduled task via Claude Code agent
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# Called by cron with a task ID argument. Handles locking, logging,
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# notifications, one-time task cleanup, and log pruning.
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set -uo pipefail
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SCHEDULER_DIR="${HOME}/.claude/scheduler"
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TASKS_DIR="${SCHEDULER_DIR}/tasks"
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LOGS_DIR="${SCHEDULER_DIR}/logs"
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NOTIFICATIONS_DIR="${SCHEDULER_DIR}/notifications"
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ENV_FILE="${SCHEDULER_DIR}/.env"
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TASK_ID="${1:-}"
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if [ -z "$TASK_ID" ]; then
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echo "Usage: triple-c-task-runner <task-id>" >&2
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exit 1
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fi
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TASK_FILE="${TASKS_DIR}/${TASK_ID}.json"
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LOCK_FILE="${SCHEDULER_DIR}/.lock-${TASK_ID}"
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if [ ! -f "$TASK_FILE" ]; then
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echo "Task file not found: $TASK_FILE" >&2
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exit 1
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fi
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# ── Acquire lock (prevent overlapping runs of the same task) ─────────────────
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exec 200>"$LOCK_FILE"
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if ! flock -n 200; then
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echo "Task $TASK_ID is already running, skipping." >&2
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exit 0
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fi
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# ── Source saved environment ─────────────────────────────────────────────────
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if [ -f "$ENV_FILE" ]; then
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set -a
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# shellcheck disable=SC1090
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source "$ENV_FILE"
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set +a
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fi
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# ── Read task definition ────────────────────────────────────────────────────
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PROMPT=$(jq -r '.prompt' "$TASK_FILE")
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WORKING_DIR=$(jq -r '.working_dir // "/workspace"' "$TASK_FILE")
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TASK_NAME=$(jq -r '.name' "$TASK_FILE")
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TASK_TYPE=$(jq -r '.type' "$TASK_FILE")
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# ── Prepare log directory ───────────────────────────────────────────────────
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TASK_LOG_DIR="${LOGS_DIR}/${TASK_ID}"
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mkdir -p "$TASK_LOG_DIR"
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TIMESTAMP=$(date +"%Y%m%d-%H%M%S")
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LOG_FILE="${TASK_LOG_DIR}/${TIMESTAMP}.log"
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# ── Execute Claude agent ────────────────────────────────────────────────────
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{
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echo "=== Task: $TASK_NAME ($TASK_ID) ==="
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echo "=== Started: $(date) ==="
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echo "=== Working dir: $WORKING_DIR ==="
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echo "=== Prompt: $PROMPT ==="
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echo ""
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} > "$LOG_FILE"
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EXIT_CODE=0
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if [ -d "$WORKING_DIR" ]; then
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cd "$WORKING_DIR"
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claude -p "$PROMPT" --dangerously-skip-permissions >> "$LOG_FILE" 2>&1 || EXIT_CODE=$?
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else
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echo "Error: working directory '$WORKING_DIR' does not exist" >> "$LOG_FILE"
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EXIT_CODE=1
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fi
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{
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echo ""
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echo "=== Finished: $(date) ==="
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echo "=== Exit code: $EXIT_CODE ==="
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} >> "$LOG_FILE"
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# ── Write notification ──────────────────────────────────────────────────────
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mkdir -p "$NOTIFICATIONS_DIR"
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NOTIFY_FILE="${NOTIFICATIONS_DIR}/${TASK_ID}_${TIMESTAMP}.notify"
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if [ $EXIT_CODE -eq 0 ]; then
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STATUS="SUCCESS"
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else
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STATUS="FAILED (exit code $EXIT_CODE)"
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fi
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# Extract a summary (last 10 meaningful lines before the footer)
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SUMMARY=$(grep -v "^===" "$LOG_FILE" | grep -v "^$" | tail -n 10)
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cat > "$NOTIFY_FILE" <<NOTIFY
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Task: $TASK_NAME ($TASK_ID)
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Status: $STATUS
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Time: $(date)
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Type: $TASK_TYPE
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Summary:
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$SUMMARY
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NOTIFY
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# ── One-time task cleanup ───────────────────────────────────────────────────
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if [ "$TASK_TYPE" = "once" ]; then
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rm -f "$TASK_FILE"
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# Rebuild crontab to remove the completed one-time task
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/usr/local/bin/triple-c-scheduler list > /dev/null 2>&1 || true
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# Direct crontab rebuild (in case scheduler list doesn't trigger it)
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TMP_CRON=$(mktemp)
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echo "# Triple-C scheduled tasks — managed by triple-c-scheduler" > "$TMP_CRON"
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echo "# Do not edit manually; changes will be overwritten." >> "$TMP_CRON"
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echo "" >> "$TMP_CRON"
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for tf in "$TASKS_DIR"/*.json; do
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[ -f "$tf" ] || continue
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local_enabled=$(jq -r '.enabled' "$tf")
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[ "$local_enabled" = "true" ] || continue
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local_schedule=$(jq -r '.schedule' "$tf")
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local_id=$(jq -r '.id' "$tf")
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echo "$local_schedule /usr/local/bin/triple-c-task-runner $local_id" >> "$TMP_CRON"
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done
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crontab "$TMP_CRON" 2>/dev/null || true
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rm -f "$TMP_CRON"
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fi
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# ── Prune old logs (keep 20 per task) ───────────────────────────────────────
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LOG_COUNT=$(find "$TASK_LOG_DIR" -name "*.log" -type f 2>/dev/null | wc -l)
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if [ "$LOG_COUNT" -gt 20 ]; then
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find "$TASK_LOG_DIR" -name "*.log" -type f | sort | head -n $((LOG_COUNT - 20)) | xargs rm -f
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fi
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# ── Prune old notifications (keep 50 total) ─────────────────────────────────
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NOTIFY_COUNT=$(find "$NOTIFICATIONS_DIR" -name "*.notify" -type f 2>/dev/null | wc -l)
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if [ "$NOTIFY_COUNT" -gt 50 ]; then
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find "$NOTIFICATIONS_DIR" -name "*.notify" -type f | sort | head -n $((NOTIFY_COUNT - 50)) | xargs rm -f
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fi
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# Release lock
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flock -u 200
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rm -f "$LOCK_FILE"
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exit $EXIT_CODE
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