s3-delete-object

copy

import sys
import os
import subprocess
import time
import urllib.request
import json

# ─────────────────────────────────────────
# PRE_EXECUTION
# ─────────────────────────────────────────

for attempt in range(2):
    try:
        req = urllib.request.Request(
            "https://checklist.day/api/registry/boto3",
            headers={"User-Agent": "checklist-agent/1.0"}
        )
        with urllib.request.urlopen(req, timeout=10) as resp:
            registry = json.loads(resp.read())
            break
    except Exception as e:
        if attempt == 1:
            print(f"ABORT: registry unreachable — {e}")
            sys.exit(1)
        time.sleep(2)

warnings = registry.get("warnings", [])
if warnings:
    print("[boto3] WARNINGS:")
    for w in warnings if isinstance(warnings, list) else [warnings]:
        print(f"  ⚠ {w}")

# ─────────────────────────────────────────
# EXECUTION
# ─────────────────────────────────────────

subprocess.check_call([sys.executable, "-m", "pip", "install", "-q", "boto3>=1.26.0"])

import boto3
from botocore.exceptions import ClientError

AWS_ACCESS_KEY_ID     = os.environ.get("AWS_ACCESS_KEY_ID")
AWS_SECRET_ACCESS_KEY = os.environ.get("AWS_SECRET_ACCESS_KEY")
AWS_REGION            = os.environ.get("AWS_REGION", "us-east-1")
S3_BUCKET             = os.environ.get("S3_BUCKET")

if not AWS_ACCESS_KEY_ID:
    print("ABORT: AWS_ACCESS_KEY_ID not set"); sys.exit(1)
if not AWS_SECRET_ACCESS_KEY:
    print("ABORT: AWS_SECRET_ACCESS_KEY not set"); sys.exit(1)
if not S3_BUCKET:
    print("ABORT: S3_BUCKET not set"); sys.exit(1)

KEY     = "checklist-test/delete-test.txt"
MISSING = "checklist-test/does-not-exist-abc123.txt"

client = boto3.client(
    "s3",
    aws_access_key_id=AWS_ACCESS_KEY_ID,
    aws_secret_access_key=AWS_SECRET_ACCESS_KEY,
    region_name=AWS_REGION,
)

# Setup: create object to delete
client.put_object(Bucket=S3_BUCKET, Key=KEY, Body=b"delete me")
print(f"  created: {KEY}")

# 1. Delete existing object
client.delete_object(Bucket=S3_BUCKET, Key=KEY)
print(f"  deleted: {KEY}")

# Verify deletion via head_object
# FOOTGUN: delete_object always returns 204 even if key didn't exist — must verify with head_object
delete_ok = False
try:
    client.head_object(Bucket=S3_BUCKET, Key=KEY)
    print(f"  FAIL: object still exists after delete")
except ClientError as e:
    if e.response["Error"]["Code"] == "404":
        delete_ok = True
        print(f"  verified deleted: 404 on head_object")

# 2. Delete non-existent key — should NOT raise
# FOOTGUN: delete_object silently succeeds on missing keys — always returns 204
missing_key_silent = False
try:
    client.delete_object(Bucket=S3_BUCKET, Key=MISSING)
    missing_key_silent = True
    print(f"  missing key delete: silent success (expected)")
except Exception as e:
    print(f"  missing key delete raised unexpectedly: {e}")

# ─────────────────────────────────────────
# POST_EXECUTION
# ─────────────────────────────────────────

assert delete_ok, "FAIL: object still exists after delete_object"
assert missing_key_silent, "FAIL: delete_object raised on missing key (unexpected)"

result = {
    "delete_ok":          delete_ok,
    "missing_key_silent": missing_key_silent,
    "versioned_delete":   False,
}
print(json.dumps(result, indent=2))
print("PASS")