ece8b5f8be
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Fixes #351 Root cause: cron jobs with a per-job model override (e.g. `gemma4:latest`, 8K context) were only discovered to be incompatible at agent runtime, causing a hard ValueError on every tick with no automatic recovery. Changes: - Add `CRON_MIN_CONTEXT_TOKENS = 64_000` constant to scheduler.py - Add `ModelContextError(ValueError)` exception class for typed identification - Add `_check_model_context_compat()` preflight function that calls `get_model_context_length()` and raises `ModelContextError` if the resolved model's context is below the minimum - Call preflight check in `run_job()` after model resolution, before `AIAgent()` is instantiated - In `_process_single_job()` inside `tick()`, catch `ModelContextError` and call `pause_job()` to auto-pause the offending job — it will no longer fire on every tick until the operator fixes the config - Honour `model.context_length` in config.yaml as an explicit override that bypasses the check (operator accepts responsibility) - If context detection itself fails (network/import error), log a warning and allow the job to proceed (fail-open) so detection gaps don't block otherwise-working jobs - Fix pre-existing IndentationError in `tick()` result loop (missing `try:` block introduced in #353 parallel-execution refactor) - Export `ModelContextError` and `CRON_MIN_CONTEXT_TOKENS` from `cron/__init__.py` - Add 8 new tests covering all branches of `_check_model_context_compat` Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
"""
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Cron job scheduling system for Hermes Agent.
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This module provides scheduled task execution, allowing the agent to:
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- Run automated tasks on schedules (cron expressions, intervals, one-shot)
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- Self-schedule reminders and follow-up tasks
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- Execute tasks in isolated sessions (no prior context)
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Cron jobs are executed automatically by the gateway daemon:
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hermes gateway install # Install as a user service
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sudo hermes gateway install --system # Linux servers: boot-time system service
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hermes gateway # Or run in foreground
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The gateway ticks the scheduler every 60 seconds. A file lock prevents
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duplicate execution if multiple processes overlap.
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"""
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from cron.jobs import (
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create_job,
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get_job,
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list_jobs,
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remove_job,
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update_job,
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pause_job,
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resume_job,
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trigger_job,
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JOBS_FILE,
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)
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from cron.scheduler import tick, ModelContextError, CRON_MIN_CONTEXT_TOKENS
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__all__ = [
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"create_job",
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"get_job",
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"list_jobs",
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"remove_job",
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"update_job",
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"pause_job",
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"resume_job",
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"trigger_job",
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"tick",
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"JOBS_FILE",
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"ModelContextError",
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"CRON_MIN_CONTEXT_TOKENS",
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]
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