Exploring the HCP REST API
The Terraform provider for HCP can help automate HCP configuration, but if there is a need to access the API directly, the good news is that Packer is one of the simplest and best-documented of HCP‘s API endpoints. To begin interacting with any HCP API, you need to first get a bearer token using your service principal credentials. You can use the same environment variables as the Terraform examples for a simple curl statement:
#!/bin/bash
curl --silent --request POST \
--header "Content-Type: application/json" \
https://auth.hashicorp.com/oauth/token --data @- << EOF
{
"audience": "https://api.hashicorp.cloud",
"grant_type": "client_credentials",
"client_id": "$HCP_CLIENT_ID",
"client_secret": "$HCP_CLIENT_SECRET"
}
EOF
On completion, this will return a JSON document containing...
