Proxmox backend using the REST API via ``proxmoxer``.

Async-compatible SSH connection pool wrapping paramiko in threads. All I/O is delegated to ``asyncio.to_thread`` so the event loop never bloc

Top-level DEFAULT section of the YAML config.

Manages temporary resource boosts with automatic revert. Args: state_file: path to JSON persistence file for active boosts.

Horizontal scaling group configuration.

SSH connection settings.

Per-tier container scaling configuration.

Tracks an active boost for a single resource of a single container.

Proxmox backend using ``pct`` CLI commands (async).

A subprocess or remote command failed.

Thread-safe, evictable cache for per-container runtime state. Replaces the module-level dictionaries: _cgroup_path_cache, _prev_cpu_readings,

Logging filter that masks secret-looking strings in log messages.

Top-level application configuration container.

Base exception for all LXC AutoScale errors.

Failed to read cgroup metrics for a container.

A command exceeded its timeout.

A container ID was not found or is invalid.

Proxmox REST API settings (optional backend).

Abstract base for all Proxmox backend implementations.

An error in the Proxmox backend (CLI or API).

Invalid or missing configuration.

Test the main adjust_resources orchestration.

Test async dispatch.

Test that backup_container_settings skips writes for unchanged data.

Backup operations must refuse to follow symlinks outside BACKUP_DIR.

Test CLI backend with mocked async subprocess.

Test host-side cgroup memory reading.

Config file with world-readable permissions should warn.

Container IDs that contain shell metacharacters must be rejected.

Test that core counts are cached and reused.

Test CPU pinning uses native file I/O in local mode (no sh -c).

Test DefaultsConfig Pydantic model.

Test ${ENV_VAR} and ${ENV_VAR:-default} expansion in YAML values.

Backup and log files must be created with restrictive permissions.

Container IDs in horizontal scaling groups must be numeric.

Cloned hostnames must be RFC-1123 safe.

Test timezone-aware off-peak detection.

Test JSON log file rotation when size limit is exceeded.

Test full YAML config loading.

Test that failing notifiers get suppressed after consecutive failures.

Test notifier initialization from DEFAULTS.