Deploy a change to a live stateful service without disrupting downstream customers (Java on GCE)
This solution showcases a live feature change on a Java app, deployed to customers using blue-green managed instance group deployments.
The resources/services/activations/deletions that this module will create/trigger are:
- Google Compute Engine
- Cloud Load Balancing
- Service Networking
- Secret Manager
- Cloud Storage
- Cloud CDN
- Cloud SQL
- IAM
| Name | Description | Type | Default | Required |
|---|---|---|---|---|
| bucket_location | Bucket location where the uploaded files will be stored. | string |
"US" |
no |
| data_init_archive_file_name | Name of the archive file that contains the initialization data. | string |
"initialization.tar.gz" |
no |
| data_init_bucket_name | Name of the Cloud Storage bucket that store the archive file for initialization. | string |
"jss-resources" |
no |
| labels | A map of key/value label pairs to assign to the cloud resources. | map(string) |
{ |
no |
| project_id | Google Cloud project ID. | string |
n/a | yes |
| region | Google Cloud region where the cloud resource will be created. | string |
"us-central1" |
no |
| source_image | The source image used to create the instance. | string |
"https://www.googleapis.com/compute/beta/projects/hsa-public/global/images/jss-cd-gce-vm-image" |
no |
| zone | Google cloud zone where the resources will be created. | string |
"us-central1-a" |
no |
| Name | Description |
|---|---|
| backend_bucket_name | The name of the backend bucket used for Cloud CDN |
| blue_mig_load_balancer_ip | IP address of the blue version instance group |
| blue_mig_self_link | Self link of the blue version instance group |
| bucket_name | Bucket name |
| green_mig_load_balancer_ip | IP address of the green version instance group |
| green_mig_self_link | Self link of the green version instance group |
| user_mig_load_balancer_ip | IP address of the user instance group |
These sections describe requirements for using this module.
The following dependencies must be available:
- Terraform v0.13
- Terraform Provider for Google Cloud plugin v4.57
A service account with the following roles must be used to provision the resources of this module:
- roles/secretmanager.secretAccessor
- roles/storage.objectAdmin
- roles/compute.imageUser
- roles/cloudsql.editor
- roles/logging.logWriter
A project with the following APIs enabled must be used to host the resources of this module:
- compute.googleapis.com
- iam.googleapis.com
- cloudresourcemanager.googleapis.com
- sqladmin.googleapis.com
- secretmanager.googleapis.com
- servicenetworking.googleapis.com
Refer to the contribution guidelines for information on contributing to this module.