Initial import

provider/provider.go

@@ -0,0 +1,29 @@
+package provider
+
+import (
+	"fmt"
+
+	"github.com/hashicorp/hcl/v2"
+)
+
+type Config struct {
+	// Name is a unique identifier for the provider.
+	Name string
+
+	// Init is called once to initialize the provider from the matching configuration block.
+	Init func(hcl.Body) error
+}
+
+var providerConfigs = make(map[string]*Config)
+
+func Init(name string, body hcl.Body) error {
+	p, ok := providerConfigs[name]
+	if ok {
+		return p.Init(body)
+	}
+	return fmt.Errorf("provider: no %q provider available", name)
+}
+
+func Register(provider *Config) {
+	providerConfigs[provider.Name] = provider
+}