awacs - Amazon Web Access Control Subsystem
The awacs library allows for easier creation of AWS Access Policy Language JSON by writing Python code to describe the AWS policies. To facilitate catching policy format or JSON errors early the library has property and type checking built into the classes.
awacs can be installed using the pip distribution system for python by issuing:
$ pip install awacsAlternatively, you can run use setup.py to install by cloning this repository and issuing:
# python setup.py installAn example to use this comes from the AWS IAM documentation. This shows creating policy attached to an Amazon S3 bucket:
from awacs.aws import Action, Allow, Policy, Principal, Statement
from awacs.iam import ARN as IAM_ARN
from awacs.s3 import ARN as S3_ARN
account = "123456789012"
user = "user/Bob"
pd = Policy(
Version="2012-10-17",
Id="S3-Account-Permissions",
Statement=[
Statement(
Sid="1",
Effect=Allow,
Principal=Principal("AWS", [IAM_ARN(account, user)]),
Action=[Action("s3", "*")],
Resource=[S3_ARN("my_corporate_bucket/*"),],
),
],
)
print(pd.to_json())would produce this json policy:
{
"Id": "S3-Account-Permissions",
"Statement": [
{
"Action": [
"s3:*"
],
"Effect": "Allow",
"Principal": [
{
"AWS": [
"arn:aws:iam:123456789012:user/Bob:"
]
}
],
"Resource": [
"arn:aws:s3::my_corporate_bucket/*:"
],
"Sid": "1"
}
],
"Version": "2012-10-17"
}We have a google group, cloudtools-dev, where you can ask questions and engage with the cloudtools/awacs community. Issues & pull requests are always welcome!
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