Terraform module to create AWS CodePipeline
with CodeBuild
for CI/CD
This module supports three use-cases:
-
GitHub -> S3 (build artifact) -> Elastic Beanstalk (running application stack). The module gets the code from a
GitHub
repository (public or private), builds it by executing thebuildspec.yml
file from the repository, pushes the built artifact to an S3 bucket, and deploys the artifact toElastic Beanstalk
running one of the supported stacks (e.g.Java
,Go
,Node
,IIS
,Python
,Ruby
, etc.). -
GitHub -> ECR (Docker image) -> Elastic Beanstalk (running Docker stack). The module gets the code from a
GitHub
repository, builds aDocker
image from it by executing thebuildspec.yml
andDockerfile
files from the repository, pushes theDocker
image to anECR
repository, and deploys theDocker
image toElastic Beanstalk
runningDocker
stack. -
GitHub -> ECR (Docker image). The module gets the code from a
GitHub
repository, builds aDocker
image from it by executing thebuildspec.yml
andDockerfile
files from the repository, and pushes theDocker
image to anECR
repository. This is used when we want to build aDocker
image from the code and push it toECR
without deploying toElastic Beanstalk
. To activate this mode, don't specify theapp
andenv
attributes for the module.
Tip
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to easily orchestrate multiple environments using Terraform.
Works with Github Actions, Atlantis, or Spacelift.
Watch demo of using Atmos with Terraform
Example of running
atmos
to manage infrastructure from our Quick Start tutorial.
Include this repository as a module in your existing terraform code:
module "build" {
source = "cloudposse/cicd/aws"
# Cloud Posse recommends pinning every module to a specific version
# version = "x.x.x"
namespace = "eg"
stage = "staging"
name = "app"
# Enable the pipeline creation
enabled = true
# Elastic Beanstalk
elastic_beanstalk_application_name = "<(Optional) Elastic Beanstalk application name>"
elastic_beanstalk_environment_name = "<(Optional) Elastic Beanstalk environment name>"
# Application repository on GitHub
github_oauth_token = "(Required) <GitHub Oauth Token with permissions to access private repositories>"
repo_owner = "<GitHub Organization or Person name>"
repo_name = "<GitHub repository name of the application to be built and deployed to Elastic Beanstalk>"
branch = "<Branch of the GitHub repository>"
# http://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref.html
# http://docs.aws.amazon.com/codebuild/latest/userguide/build-spec-ref.html
build_image = "aws/codebuild/standard:2.0"
build_compute_type = "BUILD_GENERAL1_SMALL"
# These attributes are optional, used as ENV variables when building Docker images and pushing them to ECR
# For more info:
# http://docs.aws.amazon.com/codebuild/latest/userguide/sample-docker.html
# https://www.terraform.io/docs/providers/aws/r/codebuild_project.html
privileged_mode = true
region = "us-east-1"
aws_account_id = "xxxxxxxxxx"
image_repo_name = "ecr-repo-name"
image_tag = "latest"
# Optional extra environment variables
environment_variables = [{
name = "JENKINS_URL"
value = "https://jenkins.example.com"
},
{
name = "COMPANY_NAME"
value = "Amazon"
},
{
name = "TIME_ZONE"
value = "Pacific/Auckland"
}]
}
Important
In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.
This is an example to build a Node app, store the build artifact to an S3 bucket, and then deploy it to Elastic Beanstalk running Node
stack
buildspec.yml
file
version: 0.2
phases:
install:
commands:
- echo Starting installation ...
pre_build:
commands:
- echo Installing NPM dependencies...
- npm install
build:
commands:
- echo Build started on `date`
post_build:
commands:
- echo Build completed on `date`
artifacts:
files:
- node_modules/**/*
- public/**/*
- routes/**/*
- views/**/*
- app.js
This is an example to build a Docker
image for a Node app, push the Docker
image to an ECR repository, and then deploy it to Elastic Beanstalk running Docker
stack
buildspec.yml
file
version: 0.2
phases:
pre_build:
commands:
- echo Logging in to Amazon ECR...
- $(aws ecr get-login --region $AWS_REGION)
build:
commands:
- echo Build started on `date`
- echo Building the Docker image...
- docker build -t $IMAGE_REPO_NAME .
- docker tag $IMAGE_REPO_NAME:$IMAGE_TAG $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG
post_build:
commands:
- echo Build completed on `date`
- echo Pushing the Docker image to ECR...
- docker push $AWS_ACCOUNT_ID.dkr.ecr.$AWS_REGION.amazonaws.com/$IMAGE_REPO_NAME:$IMAGE_TAG
artifacts:
files:
- '**/*'
Dockerfile
FROM node:latest
WORKDIR /usr/src/app
COPY package.json package-lock.json ./
RUN npm install
COPY . .
EXPOSE 8081
CMD [ "npm", "start" ]
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
Name | Version |
---|---|
terraform | >= 1.3 |
aws | >= 5.0 |
random | >= 2.1 |
Name | Version |
---|---|
aws | >= 5.0 |
random | >= 2.1 |
Name | Source | Version |
---|---|---|
codebuild | cloudposse/codebuild/aws | 2.0.1 |
github_webhook | cloudposse/repository-webhooks/github | 0.12.1 |
this | cloudposse/label/null | 0.25.0 |
Name | Type |
---|---|
aws_codepipeline.default | resource |
aws_codepipeline_webhook.default | resource |
aws_iam_policy.codebuild | resource |
aws_iam_policy.default | resource |
aws_iam_policy.s3 | resource |
aws_iam_role.default | resource |
aws_iam_role_policy_attachment.codebuild | resource |
aws_iam_role_policy_attachment.codebuild_s3 | resource |
aws_iam_role_policy_attachment.default | resource |
aws_iam_role_policy_attachment.s3 | resource |
aws_s3_bucket.default | resource |
random_password.webhook_secret | resource |
aws_caller_identity.default | data source |
aws_iam_policy_document.assume | data source |
aws_iam_policy_document.codebuild | data source |
aws_iam_policy_document.default | data source |
aws_iam_policy_document.s3 | data source |
aws_region.default | data source |
aws_s3_bucket.website | data source |
Name | Description | Type | Default | Required |
---|---|---|---|---|
access_log_bucket_name | Name of the S3 bucket where s3 access log will be sent to | string |
"" |
no |
additional_tag_map | Additional key-value pairs to add to each map in tags_as_list_of_maps . Not added to tags or id .This is for some rare cases where resources want additional configuration of tags and therefore take a list of maps with tag key, value, and additional configuration. |
map(string) |
{} |
no |
attributes | ID element. Additional attributes (e.g. workers or cluster ) to add to id ,in the order they appear in the list. New attributes are appended to the end of the list. The elements of the list are joined by the delimiter and treated as a single ID element. |
list(string) |
[] |
no |
aws_account_id | AWS Account ID. Used as CodeBuild ENV variable when building Docker images. For more info | string |
"" |
no |
branch | Branch of the GitHub repository, e.g. master |
string |
n/a | yes |
build_compute_type | CodeBuild instance size. Possible values are:BUILD_GENERAL1_SMALL BUILD_GENERAL1_MEDIUM BUILD_GENERAL1_LARGE |
string |
"BUILD_GENERAL1_SMALL" |
no |
build_image | Docker image for build environment, e.g. aws/codebuild/standard:2.0 or aws/codebuild/eb-nodejs-6.10.0-amazonlinux-64:4.0.0 |
string |
"aws/codebuild/standard:2.0" |
no |
buildspec | Declaration to use for building the project. For more info | string |
"" |
no |
cache_type | The type of storage that will be used for the AWS CodeBuild project cache. Valid values: NO_CACHE, LOCAL, and S3. Defaults to S3 to keep same behavior as before upgrading codebuild module to 0.18+ version. If cache_type is S3, it will create an S3 bucket for storing codebuild cache inside |
string |
"S3" |
no |
codebuild_cache_bucket_suffix_enabled | The cache bucket generates a random 13 character string to generate a unique bucket name. If set to false it uses terraform-null-label's id value | bool |
true |
no |
context | Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as null to use default value.Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged. |
any |
{ |
no |
delimiter | Delimiter to be used between ID elements. Defaults to - (hyphen). Set to "" to use no delimiter at all. |
string |
null |
no |
descriptor_formats | Describe additional descriptors to be output in the descriptors output map.Map of maps. Keys are names of descriptors. Values are maps of the form {<br/> format = string<br/> labels = list(string)<br/>} (Type is any so the map values can later be enhanced to provide additional options.)format is a Terraform format string to be passed to the format() function.labels is a list of labels, in order, to pass to format() function.Label values will be normalized before being passed to format() so they will beidentical to how they appear in id .Default is {} (descriptors output will be empty). |
any |
{} |
no |
elastic_beanstalk_application_name | Elastic Beanstalk application name. If not provided or set to empty string, the Deploy stage of the pipeline will not be created |
string |
"" |
no |
elastic_beanstalk_environment_name | Elastic Beanstalk environment name. If not provided or set to empty string, the Deploy stage of the pipeline will not be created |
string |
"" |
no |
enabled | Set to false to prevent the module from creating any resources | bool |
null |
no |
environment | ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT' | string |
null |
no |
environment_variables | A list of maps, that contain the keys 'name', 'value', and 'type' to be used as additional environment variables for the build. Valid types are 'PLAINTEXT', 'PARAMETER_STORE', or 'SECRETS_MANAGER' | list(object( |
[ |
no |
force_destroy | Force destroy the CI/CD S3 bucket even if it's not empty | bool |
false |
no |
github_oauth_token | GitHub Oauth Token | string |
n/a | yes |
github_webhook_events | A list of events which should trigger the webhook. See a list of available events | list(string) |
[ |
no |
github_webhooks_token | GitHub OAuth Token with permissions to create webhooks. If not provided, can be sourced from the GITHUB_TOKEN environment variable |
string |
"" |
no |
id_length_limit | Limit id to this many characters (minimum 6).Set to 0 for unlimited length.Set to null for keep the existing setting, which defaults to 0 .Does not affect id_full . |
number |
null |
no |
image_repo_name | ECR repository name to store the Docker image built by this module. Used as CodeBuild ENV variable when building Docker images. For more info | string |
"UNSET" |
no |
image_tag | Docker image tag in the ECR repository, e.g. 'latest'. Used as CodeBuild ENV variable when building Docker images. For more info | string |
"latest" |
no |
label_key_case | Controls the letter case of the tags keys (label names) for tags generated by this module.Does not affect keys of tags passed in via the tags input.Possible values: lower , title , upper .Default value: title . |
string |
null |
no |
label_order | The order in which the labels (ID elements) appear in the id .Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present. |
list(string) |
null |
no |
label_value_case | Controls the letter case of ID elements (labels) as included in id ,set as tag values, and output by this module individually. Does not affect values of tags passed in via the tags input.Possible values: lower , title , upper and none (no transformation).Set this to title and set delimiter to "" to yield Pascal Case IDs.Default value: lower . |
string |
null |
no |
labels_as_tags | Set of labels (ID elements) to include as tags in the tags output.Default is to include all labels. Tags with empty values will not be included in the tags output.Set to [] to suppress all generated tags.Notes: The value of the name tag, if included, will be the id , not the name .Unlike other null-label inputs, the initial setting of labels_as_tags cannot bechanged in later chained modules. Attempts to change it will be silently ignored. |
set(string) |
[ |
no |
name | ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'. This is the only ID element not also included as a tag .The "name" tag is set to the full id string. There is no tag with the value of the name input. |
string |
null |
no |
namespace | ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique | string |
null |
no |
poll_source_changes | Periodically check the location of your source content and run the pipeline if changes are detected | bool |
true |
no |
privileged_mode | If set to true, enables running the Docker daemon inside a Docker container on the CodeBuild instance. Used when building Docker images | bool |
false |
no |
regex_replace_chars | Terraform regular expression (regex) string. Characters matching the regex will be removed from the ID elements. If not set, "/[^a-zA-Z0-9-]/" is used to remove all characters other than hyphens, letters and digits. |
string |
null |
no |
region | AWS Region, e.g. us-east-1 . Used as CodeBuild ENV variable when building Docker images. For more info |
string |
"" |
no |
repo_name | GitHub repository name of the application to be built (and deployed to Elastic Beanstalk if configured) | string |
n/a | yes |
repo_owner | GitHub Organization or Person name | string |
n/a | yes |
s3_bucket_encryption_enabled | When set to 'true' the 'aws_s3_bucket' resource will have AES256 encryption enabled by default | bool |
true |
no |
stage | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | string |
null |
no |
tags | Additional tags (e.g. {'BusinessUnit': 'XYZ'} ).Neither the tag keys nor the tag values will be modified by this module. |
map(string) |
{} |
no |
tenant | ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for | string |
null |
no |
versioning_enabled | A state of versioning. Versioning is a means of keeping multiple variants of an object in the same bucket | bool |
true |
no |
webhook_authentication | The type of authentication to use. One of IP, GITHUB_HMAC, or UNAUTHENTICATED | string |
"GITHUB_HMAC" |
no |
webhook_enabled | Set to false to prevent the module from creating any webhook resources | bool |
false |
no |
webhook_filter_json_path | The JSON path to filter on | string |
"$.ref" |
no |
webhook_filter_match_equals | The value to match on (e.g. refs/heads/{Branch}) | string |
"refs/heads/{Branch}" |
no |
webhook_target_action | The name of the action in a pipeline you want to connect to the webhook. The action must be from the source (first) stage of the pipeline | string |
"Source" |
no |
website_bucket_acl | Canned ACL of the S3 bucket objects that get served as a website, can be private if using CloudFront with OAI | string |
"public-read" |
no |
website_bucket_name | Name of the S3 bucket where the website will be deployed | string |
"" |
no |
Name | Description |
---|---|
codebuild_badge_url | The URL of the build badge when badge_enabled is enabled |
codebuild_cache_bucket_arn | CodeBuild cache S3 bucket ARN |
codebuild_cache_bucket_name | CodeBuild cache S3 bucket name |
codebuild_project_id | CodeBuild project ID |
codebuild_project_name | CodeBuild project name |
codebuild_role_arn | CodeBuild IAM Role ARN |
codebuild_role_id | CodeBuild IAM Role ID |
codepipeline_arn | CodePipeline ARN |
codepipeline_id | CodePipeline ID |
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