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https://github.com/lukaszraczylo/kubernetes-images-sync-operator.git
synced 2026-06-05 22:53:39 +00:00
70 lines
3.4 KiB
Python
70 lines
3.4 KiB
Python
import boto3
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from botocore.exceptions import ClientError
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def get_s3_client(use_role=False, role_name=None, aws_access_key_id=None, aws_secret_access_key=None, endpoint_url=None, region=None):
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"""
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Create and return an S3 client based on the provided authentication method, endpoint, and region.
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"""
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client_kwargs = {}
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if endpoint_url:
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client_kwargs['endpoint_url'] = endpoint_url
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elif region:
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client_kwargs['region_name'] = region
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if use_role:
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if role_name:
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# Assume the specified role
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sts_client = boto3.client('sts')
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assumed_role_object = sts_client.assume_role(
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RoleArn=f"arn:aws:iam::{boto3.client('sts').get_caller_identity()['Account']}:role/{role_name}",
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RoleSessionName="AssumeRoleSession"
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)
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credentials = assumed_role_object['Credentials']
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client_kwargs['aws_access_key_id'] = credentials['AccessKeyId']
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client_kwargs['aws_secret_access_key'] = credentials['SecretAccessKey']
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client_kwargs['aws_session_token'] = credentials['SessionToken']
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return boto3.client('s3', **client_kwargs)
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elif aws_access_key_id and aws_secret_access_key:
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client_kwargs['aws_access_key_id'] = aws_access_key_id
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client_kwargs['aws_secret_access_key'] = aws_secret_access_key
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return boto3.client('s3', **client_kwargs)
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else:
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raise ValueError("Either use_role must be True, or both aws_access_key_id and aws_secret_access_key must be provided")
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def parse_s3_path(s3_path):
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"""
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Parse an S3 path into bucket and key
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"""
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parts = s3_path.replace('s3://', '').split('/', 1)
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bucket = parts[0]
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key = parts[1] if len(parts) > 1 else ''
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return bucket, key
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def add_common_arguments(parser):
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"""
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Add common command-line arguments to an ArgumentParser object
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"""
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parser.add_argument("--use_role", action="store_true", help="Use IAM role for authentication")
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parser.add_argument("--role_name", help="The name of the IAM role to assume")
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parser.add_argument("--aws_access_key_id", help="AWS access key ID")
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parser.add_argument("--aws_secret_access_key", help="AWS secret access key")
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parser.add_argument("--endpoint_url", help="S3-compatible endpoint URL")
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parser.add_argument("--region", help="AWS region (ignored if endpoint_url is specified)")
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def validate_args(args, parser):
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"""
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Validate command-line arguments
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"""
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if args.destination.startswith('s3://'):
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if args.use_role and (args.aws_access_key_id or args.aws_secret_access_key or args.endpoint_url):
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parser.error("When using IAM role (--use_role), access key, secret, and endpoint URL should not be specified.")
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if (args.aws_access_key_id or args.aws_secret_access_key) and not (args.aws_access_key_id and args.aws_secret_access_key):
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parser.error("Both --aws_access_key_id and --aws_secret_access_key must be provided when using access key authentication.")
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if not args.use_role and not (args.aws_access_key_id and args.aws_secret_access_key):
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parser.error("Either --use_role or both --aws_access_key_id and --aws_secret_access_key must be provided for S3 operations.")
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if args.use_role and args.role_name and (args.aws_access_key_id or args.aws_secret_access_key):
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parser.error("When using a specific role (--role_name), access key and secret should not be specified.") |