argocd-github-repo

This component is responsible for creating and managing an ArgoCD desired state repository.

Usage

Stack Level: Regional

The following are example snippets of how to use this component:

# stacks/argocd/repo/default.yaml
components:
  terraform:
    argocd-repo:
      vars:
        enabled: true
        github_user: ci-acme
        github_user_email: [email protected]
        github_organization: ACME
        github_codeowner_teams:
          - "@ACME/cloud-admins"
          - "@ACME/cloud-posse"
        # the team must be present in the org where the repository lives
        # team_slug is the name of the team without the org
        # e.g. `@cloudposse/engineering` is just `engineering`
        permissions:
          - team_slug: admins
            permission: admin
          - team_slug: bots
            permission: admin
          - team_slug: engineering
            permission: push

# stacks/argocd/repo/non-prod.yaml
import:
  - catalog/argocd/repo/defaults

components:
  terraform:
    argocd-deploy-non-prod:
      component: argocd-repo
      settings:
        spacelift:
          workspace_enabled: true
      vars:
        name: argocd-deploy-non-prod
        description: "ArgoCD desired state repository (Non-production) for ACME applications"
        environments:
          - tenant: mgmt
            environment: uw2
            stage: sandbox

# stacks/mgmt-gbl-corp.yaml
import:
---
- catalog/argocd/repo/non-prod

If the repository already exists, it will need to be imported (replace names of IAM profile var file accordingly):

$ export TF_VAR_github_token_override=[REDACTED]
$ atmos terraform varfile argocd-deploy-non-prod -s mgmt-gbl-corp
$ cd components/terraform/argocd-repo
$ terraform import -var "import_profile_name=eg-mgmt-gbl-corp-admin" -var-file="mgmt-gbl-corp-argocd-deploy-non-prod.terraform.tfvars.json" "github_repository.default[0]" argocd-deploy-non-prod
$ atmos terraform varfile argocd-deploy-non-prod -s mgmt-gbl-corp
$ cd components/terraform/argocd-repo
$ terraform import -var "import_profile_name=eg-mgmt-gbl-corp-admin" -var-file="mgmt-gbl-corp-argocd-deploy-non-prod.terraform.tfvars.json" "github_branch.default[0]" argocd-deploy-non-prod:main
$ cd components/terraform/argocd-repo
$ terraform import -var "import_profile_name=eg-mgmt-gbl-corp-admin" -var-file="mgmt-gbl-corp-argocd-deploy-non-prod.terraform.tfvars.json" "github_branch_default.default[0]" argocd-deploy-non-prod

Variables

Required Variables

github_codeowner_teams (list(string)) required

List of teams to use when populating the CODEOWNERS file.

For example: ["@ACME/cloud-admins", "@ACME/cloud-developers"].

github_organization (string) required

GitHub Organization

github_user (string) required

Github user

github_user_email (string) required

Github user email

gitignore_entries (list(string)) required

List of .gitignore entries to use when populating the .gitignore file.

For example: [".idea/", ".vscode/"].

region (string) required

AWS Region

Optional Variables

create_repo (bool) optional

Whether or not to create the repository or use an existing one

Default value: true

description (string) optional

The description of the repository

Default value: null

environments optional

Environments to populate applicationset.yaml files and repository deploy keys (for ArgoCD) for.

auto-sync determines whether or not the ArgoCD application will be automatically synced.

ignore-differences determines whether or not the ArgoCD application will ignore the number of
replicas in the deployment. Read more on ignore differences here:
https://argo-cd.readthedocs.io/en/stable/user-guide/sync-options/#respect-ignore-difference-configs

Example:

tenant: plat<br/>
environment: use1<br/>
stage: sandbox<br/>
auto-sync: true<br/>
ignore-differences:<br/>
  - group: apps<br/>
    kind: Deployment<br/>
    json-pointers:<br/>
      - /spec/replicas<br/>
```<br/>
<br/>
<br/>

**Type:**
```hcl
list(object({
tenant      = optional(string, null)
environment = string
stage       = string
attributes  = optional(list(string), [])
auto-sync   = bool
ignore-differences = optional(list(object({
  group         = string,
  kind          = string,
  json-pointers = list(string)
})), [])
}))

Default value: [ ]

github_base_url (string) optional

This is the target GitHub base API endpoint. Providing a value is a requirement when working with GitHub Enterprise. It is optional to provide this value and it can also be sourced from the GITHUB_BASE_URL environment variable. The value must end with a slash, for example: https://terraformtesting-ghe.westus.cloudapp.azure.com/

Default value: null

github_default_notifications_enabled (string) optional

Enable default GitHub commit statuses notifications (required for CD sync mode)

Default value: true

github_notifications (list(string)) optional

ArgoCD notification annotations for subscribing to GitHub.

The default value given uses the same notification template names as defined in the eks/argocd component. If want to add additional notifications, include any existing notifications from this list that you want to keep in addition.

Default value:

[
  "notifications.argoproj.io/subscribe.on-deploy-started.app-repo-github-commit-status: \"\"",
  "notifications.argoproj.io/subscribe.on-deploy-started.argocd-repo-github-commit-status: \"\"",
  "notifications.argoproj.io/subscribe.on-deploy-succeded.app-repo-github-commit-status: \"\"",
  "notifications.argoproj.io/subscribe.on-deploy-succeded.argocd-repo-github-commit-status: \"\"",
  "notifications.argoproj.io/subscribe.on-deploy-failed.app-repo-github-commit-status: \"\"",
  "notifications.argoproj.io/subscribe.on-deploy-failed.argocd-repo-github-commit-status: \"\""
]

github_token_override (string) optional

Use the value of this variable as the GitHub token instead of reading it from SSM

Default value: null

manifest_kubernetes_namespace (string) optional

The namespace used for the ArgoCD application

Default value: "argocd"

permissions optional

A list of Repository Permission objects used to configure the team permissions of the repository

team_slug should be the name of the team without the @{org} e.g. @cloudposse/team => team
permission is just one of the available values listed below

Type:

list(object({
team_slug  = string,
permission = string
}))

Default value: [ ]

push_restrictions_enabled (bool) optional

Enforce who can push to the main branch

Default value: true

required_pull_request_reviews (bool) optional

Enforce restrictions for pull request reviews

Default value: true

restrict_pushes_blocks_creations (bool) optional

Setting this to false allows people, teams, or apps to create new branches matching this rule

Default value: true

slack_notifications_channel (string) optional

If given, the Slack channel to for deployment notifications.

Default value: ""

ssm_github_api_key (string) optional

SSM path to the GitHub API key

Default value: "/argocd/github/api_key"

ssm_github_deploy_key_format (string) optional

Format string of the SSM parameter path to which the deploy keys will be written to (%s will be replaced with the environment name)

Default value: "/argocd/deploy_keys/%s"

vulnerability_alerts_enabled (bool) optional

Enable security alerts for vulnerable dependencies

Default value: false

web_commit_signoff_required (bool) optional

Require contributors to sign off on web-based commits

Default value: false

Context Variables

The following variables are defined in the context.tf file of this module and part of the terraform-null-label pattern.

additional_tag_map (map(string)) optional

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.

Required: No

Default value: { }

attributes (list(string)) optional

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.

Required: No

Default value: [ ]

context (any) optional

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.

Required: No

Default value:

{
  "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
}

delimiter (string) optional

Delimiter to be used between ID elements.
Defaults to - (hyphen). Set to "" to use no delimiter at all.

Required: No

Default value: null

descriptor_formats (any) optional

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).

Required: No

Default value: { }

enabled (bool) optional

Set to false to prevent the module from creating any resources
Required: No

Default value: null

environment (string) optional

ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'
Required: No

Default value: null

id_length_limit (number) optional

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.

Required: No

Default value: null

label_key_case (string) optional

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.

Required: No

Default value: null

label_order (list(string)) optional

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.

Required: No

Default value: null

label_value_case (string) optional

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.

Required: No

Default value: null

labels_as_tags (set(string)) optional

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.

Required: No

Default value:

[
  "default"
]

name (string) optional

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.

Required: No

Default value: null

namespace (string) optional

ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique
Required: No

Default value: null

regex_replace_chars (string) optional

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.

Required: No

Default value: null

stage (string) optional

ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'
Required: No

Default value: null

tags (map(string)) optional

Additional tags (e.g. {'BusinessUnit': 'XYZ'}).
Neither the tag keys nor the tag values will be modified by this module.

Required: No

Default value: { }

tenant (string) optional

ID element (Rarely used, not included by default). A customer identifier, indicating who this instance of a resource is for
Required: No

Default value: null

Outputs

deploy_keys_ssm_path_format: SSM Parameter Store path format for the repository's deploy keys
deploy_keys_ssm_paths: SSM Parameter Store paths for the repository's deploy keys
repository: Repository name
repository_default_branch: Repository default branch
repository_description: Repository description
repository_git_clone_url: Repository git clone URL
repository_ssh_clone_url: Repository SSH clone URL
repository_url: Repository URL

Dependencies

Requirements

terraform, version: >= 1.0.0
aws, version: >= 4.0
github, version: >= 6.0
random, version: >= 2.3
tls, version: >= 3.0

Providers

aws, version: >= 4.0
github, version: >= 6.0
tls, version: >= 3.0

Modules

Name	Version	Source	Description
`iam_roles`	latest	`../account-map/modules/iam-roles`	n/a
`store_write`	0.11.0	`cloudposse/ssm-parameter-store/aws`	n/a
`this`	0.25.0	`cloudposse/label/null`	n/a

Resources

The following resources are used by this module:

github_branch_default.default (resource)
github_branch_protection.default (resource)
github_repository.default (resource)
github_repository_deploy_key.default (resource)
github_repository_file.application_set (resource)
github_repository_file.codeowners_file (resource)
github_repository_file.gitignore (resource)
github_repository_file.pull_request_template (resource)
github_repository_file.readme (resource)
github_team_repository.default (resource)
tls_private_key.default (resource)

Data Sources

The following data sources are used by this module:

aws_ssm_parameter.github_api_key (data source)
github_repository.default (data source)
github_team.default (data source)
github_user.automation_user (data source)

References

cloudposse/terraform-aws-components - Cloud Posse's upstream component

Changelog

Components PR #851

This is a bug fix and feature enhancement update. There are few actions necessary to upgrade.

Upgrade actions

Enable github_default_notifications_enabled (set true)

components:
  terraform:
    argocd-repo-defaults:
      metadata:
        type: abstract
      vars:
        enabled: true
        github_default_notifications_enabled: true

Apply changes with Atmos

Features

Support predefined GitHub commit status notifications for CD sync mode:
- on-deploy-started
  - app-repo-github-commit-status
  - argocd-repo-github-commit-status
- on-deploy-succeded
  - app-repo-github-commit-status
  - argocd-repo-github-commit-status
- on-deploy-failed
  - app-repo-github-commit-status
  - argocd-repo-github-commit-status

Bug Fixes

Remove legacy unnecessary helm values used in old ArgoCD versions (ex. workflow auth configs) and dropped notifications services

Usage​

Variables​

Required Variables​

Optional Variables​

Context Variables​

Outputs​

Dependencies​

Requirements​

Providers​

Modules​

Resources​

Data Sources​

References​

Changelog​

Components PR #851​

Upgrade actions​

Features​

Bug Fixes​

Usage

Variables

Required Variables

Optional Variables

Context Variables

Outputs

Dependencies

Requirements

Providers

Modules

Resources

Data Sources

References

Changelog

Components PR #851

Upgrade actions

Features

Bug Fixes