terraform-aws-cicd

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 the buildspec.yml file from the repository, pushes the built artifact to an S3 bucket, and deploys the artifact to Elastic 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 a Docker image from it by executing the buildspec.yml and Dockerfile files from the repository, pushes the Docker image to an ECR repository, and deploys the Docker image to Elastic Beanstalk running Docker stack.
- http://docs.aws.amazon.com/codebuild/latest/userguide/sample-docker.html
GitHub -> ECR (Docker image). The module gets the code from a GitHub repository, builds a Docker image from it by executing the buildspec.yml and Dockerfile files from the repository, and pushes the Docker image to an ECR repository. This is used when we want to build a Docker image from the code and push it to ECR without deploying to Elastic Beanstalk. To activate this mode, don't specify the app and env attributes for the module.
- http://docs.aws.amazon.com/codebuild/latest/userguide/sample-docker.html

This project is part of our comprehensive "SweetOps" approach towards DevOps.

It's 100% Open Source and licensed under the APACHE2.

We literally have hundreds of terraform modules that are Open Source and well-maintained. Check them out!

Security & Compliance

Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.

Benchmark	Description
	Infrastructure Security Compliance
	Center for Internet Security, KUBERNETES Compliance
	Center for Internet Security, AWS Compliance
	Center for Internet Security, AZURE Compliance
	Payment Card Industry Data Security Standards Compliance
	National Institute of Standards and Technology Compliance
	Information Security Management System, ISO/IEC 27001 Compliance
	Service Organization Control 2 Compliance
	Center for Internet Security, GCP Compliance
	Health Insurance Portability and Accountability Compliance

Usage

IMPORTANT: We do not pin modules to versions in our examples because of the difficulty of keeping the versions in the documentation in sync with the latest released versions. We highly recommend that in your code you pin the version to the exact version you are using so that your infrastructure remains stable, and update versions in a systematic way so that they do not catch you by surprise.

Also, because of a bug in the Terraform registry (hashicorp/terraform#21417), the registry shows many of our inputs as required when in fact they are optional. The table below correctly indicates which inputs are required.

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"
  }]
}

Examples

Example: GitHub, NodeJS, S3 and EB

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

Example: GitHub, NodeJS, Docker, ECR and EB

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" ]

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

Name	Version
terraform	>= 0.13.0
aws	>= 2.0
random	>= 2.1

Providers

Name	Version
aws	>= 2.0
random	>= 2.1

Modules

Name	Source	Version
codebuild	cloudposse/codebuild/aws	1.0.0
github_webhook	cloudposse/repository-webhooks/github	0.12.1
this	cloudposse/label/null	0.25.0

Resources

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

Inputs

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`	{ "additional_tag_map": {}, "attributes": [], "delimiter": null, "descriptor_formats": {}, "enabled": true, "environment": null, "id_length_limit": null, "label_key_case": null, "label_order": [], "label_value_case": null, "labels_as_tags": [ "unset" ], "name": null, "namespace": null, "regex_replace_chars": null, "stage": null, "tags": {}, "tenant": null }	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 be identical 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( { name = string value = string type = string }))	[ { "name": "NO_ADDITIONAL_BUILD_VARS", "type": "PLAINTEXT", "value": "TRUE" } ]	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)`	[ "push" ]	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 be changed in later chained modules. Attempts to change it will be silently ignored.	`set(string)`	[ "default" ]	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

Outputs

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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Copyright

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

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Contributors

Erik Osterman	Igor Rodionov	Andriy Knysh	RB

cloudposse/terraform-aws-cicd

cloudposse

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