vastai-upgrade-migration

# Vast.ai Upgrade & Migration ## Current State !`vastai --version 2>/dev/null || echo 'vastai CLI not installed'` !`pip show vastai 2>/dev/null | grep -E "^(Name|Version)" || echo 'N/A'` ## Overview Upgrade the Vast.ai CLI and Python SDK, handle API changes, and migrate between GPU configurations. The CLI is distributed via PyPI as `vastai` and tracks the REST API at `cloud.vast.ai/api/v0`. ## Prerequisites - Current `vastai` CLI installed - Active instances inventory documented - Backup of any custom scripts using the API ## Instructions ### Step 1: Check Current Version and Upgrade ```bash # Check installed version vastai --version pip show vastai | grep Version # Upgrade to latest pip install --upgrade vastai # Verify upgrade vastai --version vastai show user # Verify auth still works ``` ### Step 2: Detect Breaking Changes ```python # Compare CLI help output before and after upgrade import subprocess def get_cli_commands(): result = subprocess.run(["vastai", "--help"], capture_output=True, text=True) commands = set() for line in result.stdout.split('\n'): stripped = line.strip() if stripped and not stripped.startswith('-') and not stripped.startswith('usage'): cmd = stripped.split()[0] if stripped.split() else "" if cmd.isalpha(): commands.add(cmd) return commands # Run before and after upgrade to detect removed commands ``` ### Step 3: API Version Migration ```python # The REST API is ...