GitHub Action
Environments - ArgoCD
This repository wraps the environment information action, allowing it to be used as a replacement in support of various string functions and namespace standardization.
This project is part of our comprehensive "SweetOps" approach towards DevOps.
It's 100% Open Source and licensed under the APACHE2.
We often find when deploying with various environments that we need to standardize the namespace names. This repository wraps the environment information action, allowing it to be used as a replacement in support of various string functions and namespace standardization.
With this action, you can use pipe functions to standardize the namespace names, for example, to lowercase, or to replace a dash with an underscore you can use | kebabcase
or | toLower
To use this action, you'll want to create a workflow and argocd repository. This action is intended to replace cloudposse/github-action-yaml-config-query by wrapping it with helper actions.
With this action your config
input can have several helper functions.
reformat
this replaces the namespace with a flavor of your choice. this is a key added to an environments configuration. See snipped below for examplebranch-name
will use the branch name as the namespacepr-number
will use the PR number as the namespace
| functions
: you can now perform simple string operations on keys in your environment configuration. This can help prevent dns invalid characters from becoming your namespace based on the branch name.| kebabcase
will convert the string to kebabcase (alternatively you can use| toKebab
or| kebab
)| lowercase
will convert the string to lowercase (alternatively you can use| toLower
or| lower
)| uppercase
will convert the string to uppercase (alternatively you can use| toUpper
or| upper
) Though this is perhaps less helpful as it is not valid in kubernetes nor dns.
- name: Environment info
# We recommend pinning this action to a specific release or version range to ensure stability
uses: cloudposse/github-action-kubernetes-environment@main
id: result
with:
environment: ${{ inputs.environment }}
namespace: ${{ inputs.namespace }}
application: ${{ inputs.application }}
config: |
preview:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-dev/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: ${{ inputs.namespace }}
reformat: branch-name # reformats namespace to be branch name as kebabcase, alternatively use `pr-number` here for `pr-123` as your namespace
ssm-path: platform/dev-cluster
qa1:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: QA1/MY-APP | kebabcase
# output namespace will become qa1-my-app
ssm-path: platform/staging-cluster
- To get custom key value pairs you can query the selected environment with a follow up step:
- name: Environment info
uses: cloudposse/github-action-yaml-config-query@0.1.0
id: environment-info
with:
query: .
config: ${{ steps.result.outputs.environment-config }}
Full Workflow example:
name: 'Environments - ArgoCD'
description: 'Get information about environment'
inputs:
environment:
description: "Environment name"
required: true
application:
description: "The application name"
required: false
namespace:
description: "Namespace name"
required: true
outputs:
name:
description: "Environment name"
value: ${{ inputs.environment }}
region:
description: "Default AWS Region"
value: us-east-2
role:
description: "Environments that need to be deployed"
value: ${{ steps.result.outputs.role }}
cluster:
description: "Environments that need to be destroyed"
value: ${{ steps.result.outputs.cluster }}
namespace:
description: "Namespace"
value: ${{ steps.result.outputs.namespace }}
ssm-path:
description: "Path to ssm secrets"
value: ${{ steps.result.outputs.ssm-path }}
runs:
using: "composite"
steps:
- name: Environment info
# We recommend pinning this action to a specific release or version range to ensure stability
uses: cloudposse/github-action-kubernetes-environment@main
id: result
with:
environment: ${{ inputs.environment }}
namespace: ${{ inputs.namespace }}
application: ${{ inputs.application }}
config: |
preview:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-dev/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: ${{ inputs.namespace }}
ssm-path: platform/dev-cluster
reformat: branch-name
qa1:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: qa1
ssm-path: platform/staging-cluster
qa2:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: qa2
ssm-path: platform/staging-cluster
qa3:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: qa3
ssm-path: platform/staging-cluster
qa4:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: qa4
ssm-path: platform/staging-cluster
production:
cluster: https://github.com/athoteldev/argocd-deploy-prod/blob/main/plat/ue2-prod/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: production
ssm-path: platform/prod-cluster
staging:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-staging/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: staging
ssm-path: platform/staging-cluster
sandbox:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-sandbox/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: sandbox
ssm-path: platform/sandbox-cluster
dev:
cluster: https://github.com/cloudposse/argocd-repo/blob/main/plat/ue2-dev/apps
cluster-role: arn:aws:iam::123456789012:role/my-gha-cluster-role
namespace: dev
ssm-path: platform/dev-cluster
Name | Description | Default | Required |
---|---|---|---|
application | The application name | N/A | false |
config | configuration | N/A | true |
environment | Environment | N/A | true |
namespace | Kubernetes namespace | N/A | true |
namespace-deny-list | Kubernetes namespace deny list, generated names cannot contain this comma separated list. | kube-system,kube-public,default | false |
namespace-prefix | Kubernetes namespace prefix | false | |
namespace-suffix | Kubernetes namespace suffix | false |
Name | Description |
---|---|
cluster | Environments that need to be destroyed |
environment-config | Environment configuration |
name | Environment name |
namespace | Namespace |
role | Environments that need to be deployed |
ssm-path | Path to ssm secrets |
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For additional context, refer to some of these links.
- github-actions-workflows - Reusable workflows for different types of projects
- example-github-action-release-workflow - Example application with complicated release workflow
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