AWS CI/CD Pipeline via Jenkins - Terraform Module

Terraform module which creates a Jenkins environment hosted on AWS ECS(Fargate)

It creates the following resources:

• Virtual Private Cloud
  • Customizable number of Availability Zones for reliability
  • Application Load Balancer
  • Subnets (Public & Private)
  • Internet Gateway
  • Nat Gateways
  • Route Tables (Public & Private)
  • Route53 Records
• Jenkins
  • Master (via Docker container hosted on Elastic Container Service (Fargate). While only operating in one AZ at a time, it will recreate in another for disaster recovery )
    • Admin password (generated and stored on Secrets Manager)
  • Slaves (created on demand by the Jenkins Master. Hosted on Elastic Container Service (Fargate). These are spread across multiple AZ )
  • Logging via Cloudwatch
• Application Load Balancer
• Storage for the Jenkins Master (via Elastic File System)
• Discovery Service for Jenkins Master (via Cloud Map)
• IAM Roles for the above
• Security Groups for the above

Dependencies

An AWS account
Terraform 13+
A SSL certificate to use with the Application Load Balancer

Variables

Variable	Description	Type	Default	Required
Region	Which AWS region to build the infrastructure	String	US East 1	No
CertificateArn	An ARN for your SSL certificate	String	N/A	Yes
ClusterName	What to name your ECS cluster	String	default-cluster	No
JenkinsJNLPPort	Which JNLP Port Jenkins should use	Number	50000	No
JenkinsUsername	Which username to login to Jenkins with	String	developer	No
JenkinsURL	Which URL should redirect to the Jenkins master	String	N/A	Yes
NameSpace	The NameSpace for Jenkins in the discovery service	String	discoverjenkins	No
DiscoveryName	The name for Jenkins in the discovery service	String	jenkins	No
route53_alias_name	The alias name for Jenkins in DNS	String	N/A	Yes
How_Many_AvailabilityZones	How many Availability Zones your infrastructure should be spread across for reliability (minimum 2)	Number	2	No