aws-lambda-python-codecommit-s3-deliver

This lambda package can automatic pack the CodeCommit repository to S3 bucket.

Quick start

1. Download the aws-lambda-python-codecommit-s3-deliver package

git clone https://github.com/0xlen/aws-lambda-python-codecommit-s3-deliver
cd aws-lambda-python-codecommit-s3-deliver/
zip -r aws-lambda-python-codecommit-s3-deliver.zip .

2. Go to the Lambda console and create a Lambda function

3. Add an trigger by clicking the Add trigger button as the following example

Next, set up your

• Repository name
• Trigger name
• Events: Push to existing branch
• Branch names: master (Or you may want to use other branch)

4. In the tab Code, select Upload a .ZIP file and upload the aws-lambda-python-codecommit-s3-deliver package.

5. In the Environment variables, please set up your repository, branch and S3 bucket information

Name	Type	Description
BRANCH	string(required)	The pulling branch the lambda function is triggered.
S3_BUCKET	string(required)	Specify the S3 bucket will put the compressed repository file.
FILE_NAME	string(required)	The compressed repository file name.

6. In the Configuration tab, please use the following settings.

• Runtime: Python 2.7
• Handler: app.lambda_handler

7. In the Advanced settings. If your repository is need to pull for a long while, please increase your Timeout. In my use case, my Timeout is 1 min.

8. In the Role, select Create a new IAM Role from template
9. Save the lambda function. Go to the IAM Role Console
10. Please select the Lambda IAM Role created before.

11. Add the inline policy below

IAM Policy

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "Stmt1501197956000",
            "Effect": "Allow",
            "Action": [
                "s3:PutObject"
            ],
            "Resource": [
                "arn:aws:s3:::YOUR_BUCKET",
                "arn:aws:s3:::YOUR_BUCKET/*"
            ]
        },
        {
            "Sid": "Stmt1502993499000",
            "Effect": "Allow",
            "Action": [
                "codecommit:GetBlob",
                "codecommit:GetBranch",
                "codecommit:GetCommit",
                "codecommit:GetRepository",
                "codecommit:GetRepositoryTriggers",
                "codecommit:GitPull",
                "codecommit:ListBranches",
                "codecommit:TestRepositoryTriggers"
            ],
            "Resource": [
                "arn:aws:codecommit:ap-northeast-1:YOUR_ACCOUNT_ID:YOUR_CODECOMMIT_REPOSITORY"
            ]
        }
    ]
}

Here is what it looks like, click Apply policy

Test

Now this lambda function would be triggered when the CodeCommit is having the Push event. You can check the .zip file in your S3 bucket after any new push event.

git push -u origin master

You will see the compressed repository is automatically generated by the lambda function.