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fix size discover
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badra001 committed Jul 17, 2026
1 parent 061a5f9 commit a13b657
Showing 1 changed file with 366 additions and 1 deletion.
367 changes: 366 additions & 1 deletion local-app/python-tools/cross-organization/purge_check_s3_buckets.py
Original file line number Diff line number Diff line change
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raw_size = int(float(clean_val))
#!/usr/bin/env python3
import os
import sys
import re
import csv
import json
import queue
import time
import argparse
from datetime import datetime, timezone
from collections import defaultdict
from concurrent.futures import ThreadPoolExecutor

import boto3
from rich.live import Live
from rich.console import Console
from rich.table import Table
from rich.progress import Progress, BarColumn, TextColumn, TimeElapsedColumn, SpinnerColumn

# --- VERSIONING ---
__version__ = "2.5.0"

console = Console()

def build_assumed_role_session(target_account_id, role_name, region_name, profile=None):
"""Assumes the cross-account role in the target member account and returns an authorized session."""
base_session = boto3.Session(profile_name=profile) if profile else boto3.Session()
if not role_name:
return base_session

try:
sts_client = base_session.client("sts", region_name=region_name)
partition = "aws"
try:
caller_identity = sts_client.get_caller_identity()
partition = caller_identity["Arn"].split(":")[1]
except Exception:
if region_name.startswith("us-gov-"):
partition = "aws-us-gov"

role_arn = f"arn:{partition}:iam::{target_account_id}:role/{role_name}"
role_session_name = f"PurgeLane-{target_account_id}"

assumed_role_object = sts_client.assume_role(
RoleArn=role_arn,
RoleSessionName=role_session_name,
DurationSeconds=3600
)
credentials = assumed_role_object['Credentials']
return boto3.Session(
aws_access_key_id=credentials['AccessKeyId'],
aws_secret_access_key=credentials['SecretAccessKey'],
aws_session_token=credentials['SessionToken'],
region_name=region_name
)
except Exception as e:
raise RuntimeError(f"Cross-Account Delegation Failure for role '{role_name}' on account {target_account_id}: {str(e)}")

def purge_bucket_worker_task(target_block, role_name, primary_region, dry_run, aws_profile, progress_queue, task_index):
"""Worker lifecycle executing object purgation over live queue updates with fine-grained tracking metrics."""
time_format = "%Y-%m-%dT%H:%M:%S.%f"
start_epoch = time.time()
start_timestamp_str = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"

account_id = target_block["account_id"]
account_name = target_block["alias"]
bucket_name = target_block["bucket_name"]
source_size = target_block["source_size"]
source_objects = target_block["source_objects"]

deleted_count = 0
error_count = 0
status_message = "INITIALIZED"

def update_lane_ui(current_msg, total_weight):
if progress_queue:
progress_queue.put({
"bucket_name": bucket_name,
"task_index": task_index,
"current_test": current_msg,
"total_tests": total_weight
})

try:
update_lane_ui("Assuming_Role", "100")
session = build_assumed_role_session(account_id, role_name, primary_region, aws_profile)
s3_resource = session.resource("s3")
bucket = s3_resource.Bucket(bucket_name)

if dry_run:
update_lane_ui("Evaluating_Size", "100")
total_targets = sum(1 for _ in bucket.object_versions.all())
update_lane_ui(f"Dry_Run_Count_{total_targets}", str(total_targets))

end_epoch = time.time()
end_timestamp_str = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"
return {
"account_id": account_id, "account_name": account_name, "region": primary_region,
"bucket_name": bucket_name, "source_size": source_size, "object_count": source_objects,
"start_time": start_timestamp_str, "end_time": end_timestamp_str,
"elapsed_time_seconds": round(end_epoch - start_epoch, 3), "error_count": 0, "status": "DRY_RUN_APPROVED"
}

update_lane_ui("Listing_Objects", "Evaluating")
version_paginator = bucket.object_versions
batch = []

for version in version_paginator.all():
try:
batch.append({"Key": version.object_key, "VersionId": version.id})
deleted_count += 1

if len(batch) == 1000:
bucket.delete_objects(Delete={"Objects": batch, "Quiet": True})
update_lane_ui(f"Purging_Objects_{deleted_count}", f"{deleted_count + 1000}")
batch = []
except Exception:
error_count += 1

if batch:
try:
bucket.delete_objects(Delete={"Objects": batch, "Quiet": True})
except Exception:
error_count += 1

status_message = "PURGED_SUCCESSFULLY" if error_count == 0 else "PURGED_WITH_ERRORS"

except Exception as err:
error_count += 1
status_message = f"FAILED: {str(err)}"
update_lane_ui("PURGE_FAILED", "0")

end_epoch = time.time()
end_timestamp_str = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"

return {
"account_id": account_id, "account_name": account_name, "region": primary_region,
"bucket_name": bucket_name, "source_size": source_size, "object_count": source_objects,
"start_time": start_timestamp_str, "end_time": end_timestamp_str,
"elapsed_time_seconds": round(end_epoch - start_epoch, 3), "error_count": error_count, "status": status_message
}

def main():
global_start_epoch = time.time()
time_format = "%Y-%m-%dT%H:%M:%S.%f"
global_start_timestamp = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"

parser = argparse.ArgumentParser(description=f"Enterprise Multi-Threaded S3 Purge Engine Framework v{__version__}")

parser.add_argument("--csv", required=True, help="Path to generated s3_global_inventory_*.csv asset file")
parser.add_argument("--filter-bucket", required=True, help="Regex criteria pattern matching target bucket names")
parser.add_argument("--filter-account", help="Optional regex criteria matching sub-account IDs or environment alias descriptors")
parser.add_argument("--role-name", help="Target IAM cross-account role naming assignment configuration")
parser.add_argument("--workers", type=int, default=4, help="Maximum concurrent worker slots channels")
parser.add_argument("--region", default="us-east-1", help="Execution regional fallback context")
parser.add_argument("--profile", help="AWS configuration context configuration handle target")
parser.add_argument("--output", default=".", help="Folder destination directory path to save logs (Default: current directory)")
parser.add_argument("--execute", action="store_true", help="Arm structural execution destructive deletions")

args = parser.parse_args()
dry_run = not args.execute

try:
bucket_pattern = re.compile(args.filter_bucket, re.IGNORECASE)
account_pattern = re.compile(args.filter_account, re.IGNORECASE) if args.filter_account else None
except Exception as re_err:
console.print(f"[bold red]Error: Invalid regular expression pattern parameter syntax: {re_err}[/bold red]")
sys.exit(1)

targets = []
detected_size_unit_label = "Size" # Dynamically extracted from source file headers

if not os.path.exists(args.csv):
console.print(f"[bold red]Error: Target inventory asset file path '{args.csv}' does not exist.[/bold red]")
sys.exit(1)

with open(args.csv, "r", encoding="utf-8") as f:
reader = csv.DictReader(f)
for row in reader:
clean_row = {str(k).strip(): str(v).strip() for k, v in row.items() if k is not None}

b_name = clean_row.get("Bucket Name")
acct_id = clean_row.get("Account ID")
acct_alias = clean_row.get("Account Alias")
b_region = clean_row.get("Region", args.region)

if not b_name: continue

# Robust fuzzy column mapping keeping floats intact
raw_size = 0.0
raw_objects = 0
for key_str, val_str in clean_row.items():
normalized_key = key_str.lower()
clean_val = val_str.replace(",", "")

if "size" in normalized_key:
# Capture the literal header format name safely (e.g., "Size (GB)")
detected_size_unit_label = key_str
try: raw_size = float(clean_val)
except Exception: pass
if "object" in normalized_key:
try: raw_objects = int(float(clean_val))
except Exception: pass

if not bucket_pattern.search(b_name):
continue

if account_pattern:
if not (account_pattern.search(acct_id) or account_pattern.search(acct_alias)):
continue

targets.append({
"account_id": acct_id, "alias": acct_alias, "bucket_name": b_name, "region": b_region,
"source_size": raw_size, "source_objects": raw_objects
})

console.print(f"[bold blue]======================================================================[/bold blue]")
console.print(f"Info: Purge Worker Engine Lifecycle v{__version__} Active")
console.print(f"[bold blue]======================================================================[/bold blue]")
console.print(f"Target Bucket Filter Regex : [cyan]{args.filter_bucket}[/cyan]")
console.print(f"Discovered Filter Targets : [green]{len(targets)} Buckets[/green]")
console.print(f"Safe Execution Dry-Run Mode: [white]{dry_run}[/white]")
console.print(f"[bold blue]----------------------------------------------------------------------[/bold blue]")

if not targets:
console.print("[bold yellow]Warning: Zero buckets matched filtering configurations criteria rules. Safely exiting.[/bold yellow]")
sys.exit(0)

progress_queue = queue.Queue()
account_timers = defaultdict(float)
operation_tracking_results = []

progress_table = Table.grid(expand=True)
overall_progress = Progress(
SpinnerColumn(),
TextColumn("[bold yellow]Overall Purge Progress:[/bold yellow]"),
BarColumn(bar_width=40),
TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
TextColumn("[bold green]Bucket {task.completed} of {task.total}[/bold green]"),
TimeElapsedColumn()
)
macro_task_id = overall_progress.add_task("Purge Fleet", total=len(targets))

lane_progress = Progress(
TextColumn("[bold blue]Lane #{task.fields[lane_idx]}[/bold blue]"),
TextColumn("([bold white]{task.fields[bucket_name]}[/bold white])"),
BarColumn(bar_width=30),
TextColumn("[progress.percentage]{task.percentage:>3.0f}%"),
TextColumn("[bold yellow]{task.fields[current_test]}/{task.fields[total_tests]}[/bold yellow]"),
TimeElapsedColumn()
)

render_lanes_count = min(args.workers, len(targets))
lane_task_ids = {}
for i in range(render_lanes_count):
tid = lane_progress.add_task("Awaiting batch assignment", total=100, lane_idx=i, bucket_name="IDLE", current_test="START", total_tests="0")
lane_task_ids[i] = tid

progress_table.add_row(overall_progress)
progress_table.add_row("[bold blue]----------------------------------------------------------------------[/bold blue]")
progress_table.add_row(lane_progress)

with Live(progress_table, refresh_per_second=10, console=console):
with ThreadPoolExecutor(max_workers=args.workers) as executor:
futures_map = {}
for idx, item in enumerate(targets):
lane_idx = idx % args.workers
fut = executor.submit(
purge_bucket_worker_task,
item, args.role_name, item["region"], dry_run, args.profile, progress_queue, lane_idx
)
futures_map[fut] = (item, lane_idx)

while len(futures_map) > 0:
while not progress_queue.empty():
try:
signal = progress_queue.get_nowait()
lane_id = signal["task_index"]
t_id = lane_task_ids[lane_id]

found_digits = re.findall(r'\d+', str(signal["current_test"]))
current_val = int(found_digits[0]) if found_digits else 1
total_w = int(signal["total_tests"]) if str(signal["total_tests"]).isdigit() else (current_val + 1000)

pct = int((current_val / total_w) * 100) if total_w > 0 else 0
if pct > 100: pct = 100

lane_progress.update(t_id, bucket_name=signal["bucket_name"], completed=pct, current_test=signal["current_test"], total_tests=signal["total_tests"])
except queue.Empty:
break

completed_futures = [f for f in futures_map if f.done()]
for fut in completed_futures:
meta, assigned_lane = futures_map.pop(fut)
try:
res = fut.result()
account_timers[meta["alias"]] += res["elapsed_time_seconds"]
operation_tracking_results.append(res)
except Exception as fatal_fut_err:
time_now_str = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"
operation_tracking_results.append({
"account_id": meta["account_id"], "account_name": meta["alias"], "region": meta["region"],
"bucket_name": meta["bucket_name"], "source_size": meta["source_size"], "object_count": meta["source_objects"],
"start_time": time_now_str, "end_time": time_now_str, "elapsed_time_seconds": 0.0,
"error_count": 1, "status": f"CRITICAL_EXCEPTION: {str(fatal_fut_err)}"
})

overall_progress.update(macro_task_id, advance=1)
lane_progress.update(lane_task_ids[assigned_lane], bucket_name="IDLE", completed=0, current_test="IDLE", total_tests="0")
time.sleep(0.05)

global_end_epoch = time.time()
global_end_timestamp = datetime.now(timezone.utc).strftime(time_format)[:-3] + "Z"
global_total_elapsed = round(global_end_epoch - global_start_epoch, 3)

if args.output != "." and not os.path.exists(args.output):
os.makedirs(args.output, exist_ok=True)

timestamp_suffix = datetime.now().strftime("%Y%m%dT%H%M%S")
csv_out_path = os.path.join(args.output, f"s3_purge_summary_{timestamp_suffix}.csv")
json_out_path = os.path.join(args.output, f"s3_purge_summary_{timestamp_suffix}.json")

# Dynamic tracking header allocation
csv_size_header = f"Source {detected_size_unit_label}"

# Export CSV Log
csv_fields = ["Account ID", "Account Name", "Region", "Bucket Name", csv_size_header, "Source Object Count", "Operation Start", "Operation End", "Elapsed Time (s)", "Error Count", "Status"]
with open(csv_out_path, "w", newline="", encoding="utf-8") as cf:
writer = csv.writer(cf)
writer.writerow(csv_fields)
for r in operation_tracking_results:
writer.writerow([
r["account_id"], r["account_name"], r["region"], r["bucket_name"],
r["source_size"], r["object_count"], r["start_time"], r["end_time"],
r["elapsed_time_seconds"], r["error_count"], r["status"]
])

# Export Master JSON Document with Global Engine Telemetry
json_telemetry_payload = {
"orchestrator_metadata": {
"engine_version": __version__,
"command_args": sys.argv,
"global_start_time": global_start_timestamp,
"global_end_time": global_end_timestamp,
"global_elapsed_seconds": global_total_elapsed,
"dry_run_active": dry_run,
"detected_size_unit": detected_size_unit_label,
"filters_applied": {
"bucket_regex": args.filter_bucket,
"account_regex": args.filter_account if args.filter_account else "all"
}
},
"operation_results": operation_tracking_results
}
with open(json_out_path, "w", encoding="utf-8") as jf:
json.dump(json_telemetry_payload, jf, indent=2)

console.print(f"\n[bold blue]======================================================================[/bold blue]")
console.print(f"[*] PURGE SEQUENCE LIFECYCLE CONCLUDED | Total Run Time: {global_total_elapsed:.2f}s")
console.print(f"[bold blue]======================================================================[/bold blue]")
console.print(f"Artifact CSV Export : [bold white]{csv_out_path}[/bold white]")
console.print(f"Artifact JSON Export : [bold white]{json_out_path}[/bold white]")
console.print(f"[bold blue]======================================================================[/bold blue]\n")

if __name__ == "__main__":
main()

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