89 lines
3.0 KiB
Python
89 lines
3.0 KiB
Python
import os
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import sys
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def check_path(path, description, context_dir="."):
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# Cleanup path string
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path = path.strip().strip('"').strip("'")
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# Ignore internal docker volumes or absolute paths that might be inside container
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if not path.startswith("./") and not path.startswith("/") and not path.startswith(".."):
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# Assume named volume or config setting
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return True
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# Split host:container mapping
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host_path_raw = path.split(":")[0]
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# Resolve relative paths relative to CWD
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if host_path_raw.startswith("./"):
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host_path = os.path.join(os.getcwd(), host_path_raw[2:])
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elif host_path_raw.startswith("../"):
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host_path = os.path.abspath(host_path_raw)
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else:
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host_path = host_path_raw
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if os.path.exists(host_path):
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print(f"✅ FOUND: {description} -> {host_path_raw}")
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return True
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else:
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print(f"❌ MISSING: {description} -> {host_path_raw}")
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return False
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def validate_compose_text():
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print("--- 🚀 Starting Pre-Flight Check (Text-Based) ---")
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if not os.path.exists("docker-compose.yml"):
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print("❌ CRITICAL: docker-compose.yml not found!")
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return
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with open("docker-compose.yml", "r") as f:
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lines = f.readlines()
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current_service = "Unknown"
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all_valid = True
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in_volumes = False
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for line in lines:
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line = line.rstrip()
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clean_line = line.strip()
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# Detect Service Block (heuristic)
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if line.startswith(" ") and not line.startswith(" ") and ":" in line and not clean_line.startswith("#"):
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current_service = clean_line.replace(":", "")
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print(f"\nScanning Service: [{current_service}]")
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in_volumes = False
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continue
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# Check Context
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if "context:" in clean_line:
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path = clean_line.split("context:")[1].strip()
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if not check_path(path, f"Build Context ({current_service})"):
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all_valid = False
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# Check Env File
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if clean_line.startswith("- .env"):
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if not check_path(".env", f"Env File ({current_service})"):
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all_valid = False
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# Check Volumes Block Start
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if clean_line.startswith("volumes:"):
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in_volumes = True
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continue
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# Check Volume Entries
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if in_volumes and clean_line.startswith("-") and ":" in clean_line:
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# Simple heuristic to stop reading volumes if indentation changes or new block starts
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if not line.startswith(" -"):
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in_volumes = False
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else:
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vol_path = clean_line[1:].strip() # Remove dash
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if not check_path(vol_path, f"Volume ({current_service})"):
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all_valid = False
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print("\n--- 🏁 Result ---")
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if all_valid:
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print("✅ READY FOR TAKEOFF: All referenced files and directories exist.")
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else:
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print("❌ ABORT: Missing files detected. Migration would fail.")
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if __name__ == "__main__":
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validate_compose_text() |