add script for deleting PR builds form bucket

Signed-off-by: Jakub Sokołowski <jakub@status.im>

s3utils/delete_prs.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import os
+import boto3
+import botocore
+
+BUCKET = 'status-im'
+
+session = boto3.session.Session()
+s3 = session.client('s3',
+                    region_name='ams3',
+                    endpoint_url='https://ams3.digitaloceanspaces.com',
+                    aws_access_key_id=os.environ['DO_ID'],
+                    aws_secret_access_key=os.environ['DO_SECRET'])
+
+def exists(name):
+    try:
+        s3.get_object(Bucket=BUCKET, Key=name)
+    except s3.exceptions.NoSuchKey:
+        return False
+    return True
+
+for f in s3.list_objects_v2(Bucket=BUCKET, MaxKeys=9999)['Contents']:
+    name = f['Key']
+    build_type = name.split('-')[-1].split('.')[0]
+    if build_type == 'e2e':
+        # if an e2e build has a release or a nightly it's not a PR
+        not_pr = any([
+          exists(name.replace('e2e', 'release')),
+          exists(name.replace('e2e', 'nightly'))
+        ])
+        if not_pr:
+            continue
+    elif build_type != 'pr':
+        continue
+    print('DELETING: {}:{}'.format(BUCKET, name))
+    s3.delete_object(Bucket=BUCKET, Key=name)