provider.go

package main

import (
	"log"

    "github.com/hashicorp/terraform/helper/schema"
)

func Provider() *schema.Provider {
    return &schema.Provider{
        Schema: map[string]*schema.Schema{
            "domain": &schema.Schema{
                Type:        schema.TypeString,
                Required:    true,
                DefaultFunc: schema.EnvDefaultFunc("MANAGEMENT_API_DOMAIN", nil),
            },
            "access_token": &schema.Schema{
                Type:        schema.TypeString,
                Required:    true,
                DefaultFunc: schema.EnvDefaultFunc("MANAGEMENT_API_ACCESS_TOKEN", nil),
            },
        },

        ResourcesMap: map[string]*schema.Resource{
            "auth0_client": resourceClient(),
            "auth0_grant": resourceGrant(),
        },

        ConfigureFunc: providerConfigure,
    }
}

type Config struct {
    domain string
    accessToken string
}

func providerConfigure(d *schema.ResourceData) (interface{}, error) {
	log.Println("[INFO] Initializing Auth0 client")
	return Config{domain: d.Get("domain").(string), accessToken: d.Get("access_token").(string)}, nil
}