DZone
Thanks for visiting DZone today,
Edit Profile
  • Manage Email Subscriptions
  • How to Post to DZone
  • Article Submission Guidelines
Sign Out View Profile
  • Post an Article
  • Manage My Drafts
Over 2 million developers have joined DZone.
Log In / Join
Refcards Trend Reports
Events Video Library
Refcards
Trend Reports

Events

View Events Video Library

Zones

Culture and Methodologies Agile Career Development Methodologies Team Management
Data Engineering AI/ML Big Data Data Databases IoT
Software Design and Architecture Cloud Architecture Containers Integration Microservices Performance Security
Coding Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks
Culture and Methodologies
Agile Career Development Methodologies Team Management
Data Engineering
AI/ML Big Data Data Databases IoT
Software Design and Architecture
Cloud Architecture Containers Integration Microservices Performance Security
Coding
Frameworks Java JavaScript Languages Tools
Testing, Deployment, and Maintenance
Deployment DevOps and CI/CD Maintenance Monitoring and Observability Testing, Tools, and Frameworks

How does AI transform chaos engineering from an experiment into a critical capability? Learn how to effectively operationalize the chaos.

Data quality isn't just a technical issue: It impacts an organization's compliance, operational efficiency, and customer satisfaction.

Are you a front-end or full-stack developer frustrated by front-end distractions? Learn to move forward with tooling and clear boundaries.

Developer Experience: Demand to support engineering teams has risen, and there is a shift from traditional DevOps to workflow improvements.

Related

  • Building Generative AI Services: An Introductory and Practical Guide
  • Managing Encrypted Aurora DAS Over Kinesis With AWS SDK
  • Improving Cloud Data Warehouse Performance: Overcoming Bottlenecks With AWS and Third-Party Tools
  • How to Use AWS Aurora Database for a Retail Point of Sale (POS) Transaction System

Trending

  • Building Generative AI Services: An Introductory and Practical Guide
  • Kung Fu Code: Master Shifu Teaches Strategy Pattern to Po – The Functional Way
  • How to Install and Set Up Jenkins With Docker Compose
  • Memory Leak Due to Uncleared ThreadLocal Variables
  1. DZone
  2. Software Design and Architecture
  3. Cloud Architecture
  4. Using Gradle With AWS and S3 (With Credentials Provider), FTW!

Using Gradle With AWS and S3 (With Credentials Provider), FTW!

This article includes instructions and a link to a forked Gradle 2.8 repo for AWS users wanting to use default credentials.

By 
Brian ONeill user avatar
Brian ONeill
·
Oct. 30, 15 · Tutorial
Likes (4)
Comment
Save
Tweet
Share
13.3K Views

Join the DZone community and get the full member experience.

Join For Free

We recently switched over to Gradle as our build mechanism. As part of that switchover, we wanted to be able to build without external dependencies (e.g. Maven Central). We tossed around the idea of Artifactory, but in the end we decided to keep it simple and push our jar files into S3.

This turned out to be remarkably easy. First, we added a task to copy down our dependencies:

task copyRuntimeLibs(type: Copy) {
    from configurations.runtime
    into "$buildDir/libs"
}

With that, we simply sync'd our dependencies up to S3 using AWS cli:

aws s3 sync build/libs/ s3://yourbucket/gradle/

That deposits the jar files into your S3 bucket.  For example:

amazon-kinesis-client-1.5.1.jar

For the next trick, you need to get Gradle to pull those artifacts from S3.  You can do this by declaring an *ivy* repository in your build.gradle. e.g.

repositories {
    ivy {
         url "s3://yourbucket/gradle/"
         credentials(AwsCredentials) {
            accessKey "YOUR_AWSAccessKeyId"
            secretKey "YOUR_AWSSecretKey"
         }
         layout "pattern", {
            artifact "[artifact]-[revision].[ext]"
         }
     }
}


That's it. HOWEVER....

If you are as paranoid about security as we are, you'll want to use EC2 instance credentials for system users like Jenkins, instead of having keys and secrets floating around that are known to many. Fortunately, the AWS Java SDK can do this out-of-the-box. It is part of the DefaultAWSCredentialsProviderChain. With the instance profile credentials, you don't need to specify a key and secret, instead it retrieves the security credentials directly from the host using the Amazon EC2 Instance Metadata Service.

UNFORTUNATELY, Gradle is hard-coded to use the BasicAwsCredentials! 

See this discussion thread.

The Gradle crew is working on a larger design to address security, and because of that they are not going to merge this patch. So, we took matters into our own hands and forked the 2.8 branch of Gradle to make the change:

https://github.com/monetate/gradle/tree/2.8.monetate

If you want to use instance profile credentials feel free to pull that code and follow the instructions in this commit.

With that patch, you can simply omit the credentials from your build.gradle. (woohoo!)

repositories {
    ivy {
         url "s3://yourbucket/gradle/"
         layout "pattern", {
            artifact "[artifact]-[revision].[ext]"
         }
     }
}

It will pickup the credentials from your instance metadata, and you'll be on your way to Cape May (S3).

FWIW, hopefully this helps people.

AWS Gradle

Published at DZone with permission of Brian ONeill. See the original article here.

Opinions expressed by DZone contributors are their own.

Related

  • Building Generative AI Services: An Introductory and Practical Guide
  • Managing Encrypted Aurora DAS Over Kinesis With AWS SDK
  • Improving Cloud Data Warehouse Performance: Overcoming Bottlenecks With AWS and Third-Party Tools
  • How to Use AWS Aurora Database for a Retail Point of Sale (POS) Transaction System

Partner Resources

×

Comments

The likes didn't load as expected. Please refresh the page and try again.

ABOUT US

  • About DZone
  • Support and feedback
  • Community research
  • Sitemap

ADVERTISE

  • Advertise with DZone

CONTRIBUTE ON DZONE

  • Article Submission Guidelines
  • Become a Contributor
  • Core Program
  • Visit the Writers' Zone

LEGAL

  • Terms of Service
  • Privacy Policy

CONTACT US

  • 3343 Perimeter Hill Drive
  • Suite 100
  • Nashville, TN 37211
  • [email protected]

Let's be friends: