| # Content Based Load Balancing in Google Cloud |
| |
| This provides a template for running an HTTP load balancer that distributes traffic to different instances based on the |
| path in the request URL. It is based on the tutorial at [https://cloud.google.com/compute/docs/load-balancing/http/content-based-example](https://cloud.google.com/compute/docs/load-balancing/http/content-based-example). |
| |
| To start, [download your credentials from Google Cloud Console](https://www.terraform.io/docs/providers/google/#credentials); suggested path for downloaded file is `~/.gcloud/Terraform.json`. |
| |
| Optionally update `variables.tf` to specify a default value for the `project_name` variable, and check other variables. |
| |
| After you run `terraform apply` on this configuration, it will |
| automatically output the public IP address of the load balancer. |
| After your instance registers, the LB should respond with the following at its root: |
| |
| ```html |
| <h1>www</h1> |
| ``` |
| |
| And the following at the /video/ url: |
| ```html |
| <h1>www-video</h1> |
| ``` |
| |
| To run, configure your Google Cloud provider as described in |
| |
| https://www.terraform.io/docs/providers/google/index.html |
| |
| Run with a command like this: |
| |
| ``` |
| terraform apply \ |
| -var="region=us-central1" \ |
| -var="region_zone=us-central1-f" \ |
| -var="project_name=my-project-id-123" \ |
| -var="credentials_file_path=~/.gcloud/Terraform.json" \ |
| ``` |
