s3-wagon-private

Deploy and consume artifacts in private S3 repositories. Designed to be used from Leiningen, but should be usable in other contexts by deploying to repositories at "s3p://" URLs.

Note: If this is all too much hassle for you, take a look at Deps, a simple, private, native Maven repository service that the maintainer also runs.

Usage

Leiningen 2.x

Add the plugin and repositories listing to project.clj.

NB: You need to add these to your project.clj, not your personal ~/.lein/profiles.clj. For more details on why, see Leiningen's doc on repeatability:

:plugins [[s3-wagon-private "1.3.3"]]

To authenticate to the S3 bucket, you can either use any of the AWS SDK credential providers, store credentials in an encrypted file, or store your credentials in arbitrary environment variables.

AWS credential providers

Using one of the AWS SDK chained provider class credential providers:

Add the following to project.clj:

:repositories [["private" {:url "s3p://mybucket/releases/" :no-auth true}]]

An excerpt of the most commonly used credential providers:

Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY
Java System Properties - aws.accessKeyId and aws.secretKey
Credential profiles file at the default location (~/.aws/credentials) with the AWS Credentials File Format. To use a particular profile, specify the env var AWS_PROFILE or a Java system property of aws.profile, otherwise, the fallback will be the default profile name ("default")
Instance profile credentials delivered through the Amazon EC2 metadata service

Store credentials in an encrypted file

Add the following to project.clj:

:repositories [["private" {:url "s3p://mybucket/releases/" :creds :gpg}]]

And in ~/.lein/credentials.clj.gpg:

 {"s3p://mybucket/releases" {:username "AKIA2489AE28488" ;; AWS Access Key
                             :passphrase "98b0b104ca1211e19a6c" ;; AWS Secret Key
                             }}

The map key here can be either a string for an exact match or a regex checked against the repository URL if you have the same credentials for multiple repositories.

See lein help deploying for additional details on storing credentials.

Store credentials under arbitrary environment variables

:repositories {"releases"  {:url "s3p://my-maven/releases/"
                            :username      :env/my_cool_aws_access_key_id
                            :passphrase    :env/my_cool_aws_secret_access_key
                            :sign-releases false}
               "snapshots" {:url           "s3p://my-maven/snapshots/"
                            :username      :env/my_cool_aws_access_key_id
                            :passphrase    :env/my_cool_aws_secret_access_key}}

Maven

pom.xml

     <build>
        <extensions>
            <extension>
                <groupId>s3-wagon-private</groupId>
                <artifactId>s3-wagon-private</artifactId>
                <version>1.3.1</version>
            </extension>
        </extensions>
    </build>

    <!-- to publish to a private bucket -->

     <distributionManagement>
                <repository>
                    <id>someId</id>
                    <name>Some Name</name>
                    <url>s3p://some-bucket/release</url>
                </repository>
                <snapshotRepository>
                    <id>someSnapshotId</id>
                    <name>Some Snapshot Name</name>
                    <url>s3p://some-bucket/snapshot</url>
                </snapshotRepository>
     </distributionManagement>

     <!-- to consume artifacts from a private bucket -->

     <pluginRepositories>
       <pluginRepository>
         <id>clojars.org</id>
         <name>Clojars Repository</name>
         <url>http://clojars.org/repo</url>
       </pluginRepository>
     </pluginRepositories>

     <repositories>
        <repository>
            <id>someId</id>
            <name>Some Name</name>
            <url>s3p://some-bucket/release</url>
        </repository>
    </repositories>

settings.xml

This xml is only necessary if not using one of the AWS SDK chained provider class methods of authentication.

<settings>
    <servers>
        <server>
            <!-- you can actually put the key and secret in here, I like to get them from the env -->
            <id>someId</id>
            <username>${env.AWS_ACCESS_KEY}</username>
            <privateKey>${user.home}/.ssh/id_rsa</privateKey>
            <passphrase>${env.AWS_SECRET_KEY}</passphrase>
        </server>
    </servers>
</settings>

AWS Policy

Here's a sample AWS policy that would allow both read and write access to the bucket mybucket:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "S3WagonPrivateAllowConfiguration",
            "Effect": "Allow",
            "Action": [
              "s3:ListBucket",
              "s3:GetBucketLocation"              
            ],
            "Resource": [
              "arn:aws:s3:::mybucket"
            ]
        },
        {
            "Sid": "S3WagonPrivateAllowGetAndPut",
            "Effect": "Allow",
            "Action": [
                "s3:GetObject",
                "s3:GetObjectVersion",
                "s3:ListBucket",
                "s3:PutObject"
            ],
            "Resource": [
                "arn:aws:s3:::mybucket/*"
            ]
        }
    ]
}

Troubleshooting

If you are seeing errors like: java.lang.IllegalArgumentException: No matching ctor found for class org.sonatype.aether.repository.Authentication, and you are using lein-npm, try upgrading to version 0.5.1 or later. It contains fixes for an issue when using keyword sourced environment variables in your :repositories.

Releasing this library

# Make sure all of the versions are as you want them
git tag v1.x.y
git push --tags
mvn deploy
# Bump to the next SNAPSHOT version

License

Copyright © 2011-2013 Phil Hagelberg, Scott Clasen, Allen Rohner

Based on aws-maven from the Spring project.

Distributed under the Apache Public License version 2.0.

License

nubank/s3-wagon-private

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