[#100] preset_s3: Add a flag for percent of versioned buckets

Add flag "--buckets_versioned". Default is 0 (no versioned buckets)

Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>

scenarios/preset/helpers/aws_cli.py

@@ -15,7 +15,7 @@ def create_bucket(endpoint, versioning, location, acl, no_verify_ssl):
     cmd_line = f"aws {no_verify_ssl_str} s3api create-bucket --bucket {bucket_name} " \
                f"--endpoint {endpoint} {configuration} {acl} "
     cmd_line_ver = f"aws {no_verify_ssl_str} s3api put-bucket-versioning --bucket {bucket_name} " \
-                   f"--versioning-configuration Status=Enabled --endpoint {endpoint} {acl} "
+                   f"--versioning-configuration Status=Enabled --endpoint {endpoint}"
 
     output, success = execute_cmd(cmd_line)
 
@@ -25,7 +25,7 @@ def create_bucket(endpoint, versioning, location, acl, no_verify_ssl):
             f"Error: {output}", endpoint)
         return False
 
-    if versioning == "True":
+    if versioning:
         output, success = execute_cmd(cmd_line_ver)
         if not success:
             log(f"{cmd_line_ver}\n"

scenarios/preset/preset_s3.py

@@ -13,6 +13,7 @@ from helpers.aws_cli import create_bucket, upload_object
 
 ERROR_WRONG_CONTAINERS_COUNT = 1
 ERROR_WRONG_OBJECTS_COUNT = 2
+ERROR_WRONG_PERCENTAGE = 3
 MAX_WORKERS = 50
 DEFAULT_LOCATION = ""
 
@@ -26,7 +27,8 @@ parser.add_argument('--endpoint', help='S3 Gateways addresses separated by comma
 parser.add_argument('--update', help='True/False, False by default. Save existed buckets from target file (--out). '
                                      'New buckets will not be created.')
 parser.add_argument('--location', help=f'AWS location constraint. Default is "{DEFAULT_LOCATION}"', action="append")
-parser.add_argument('--versioning', help='True/False, False by default.')
+parser.add_argument('--versioning', help='True/False, False by default. Alias of --buckets_versioned=100')
+parser.add_argument('--buckets_versioned', help='Percent of versioned buckets. Default is 0', default=0)
 parser.add_argument('--ignore-errors', help='Ignore preset errors', action='store_true')
 parser.add_argument('--no-verify-ssl', help='Ignore SSL verifications', action='store_true')
 parser.add_argument('--workers', help='Count of workers in preset. Max = 50, Default = 50', default=50)
@@ -62,8 +64,17 @@ def main():
         print(f"Create buckets: {buckets_count}")
 
         with ProcessPoolExecutor(max_workers=min(MAX_WORKERS, workers)) as executor:
-            buckets_runs = [executor.submit(create_bucket, endpoint, args.versioning, location, args.acl, no_verify_ssl) 
-                            for _, endpoint, location in 
+            if not 0 <= int(args.buckets_versioned) <= 100:
+                print(f"Percent of versioned buckets must be between 0 and 100: got {args.buckets_versioned}")
+                if not ignore_errors:
+                    sys.exit(ERROR_WRONG_PERCENTAGE)
+            if args.versioning == "True":
+                versioning_per_bucket = [True] * buckets_count
+            else:
+                num_versioned_buckets = int((int(args.buckets_versioned) / 100) * buckets_count)
+                versioning_per_bucket = [True] * num_versioned_buckets + [False] * (buckets_count -  num_versioned_buckets)
+            buckets_runs = [executor.submit(create_bucket, endpoint, versioning_per_bucket[i], location, args.acl, no_verify_ssl)
+                            for i, endpoint, location in
                             zip(range(buckets_count), cycle(endpoints), cycle(args.location))]
 
         for run in buckets_runs: