initial commit

internal/metal/options.go

@@ -0,0 +1,60 @@
+package metal
+
+import (
+	provider "go.equinixmetal.net/infra9-metal-bridge/internal/metal/providers"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/metal/providers/emapi"
+	"go.equinixmetal.net/infra9-metal-bridge/internal/metal/providers/emgql"
+	"go.uber.org/zap"
+)
+
+// Option is a Client configuration Option definition.
+type Option func(c *Client) error
+
+// WithProvider sets the provider on the client.
+func WithProvider(provider provider.Provider) Option {
+	return func(c *Client) error {
+		c.provider = provider
+
+		return nil
+	}
+}
+
+// WithLogger sets the logger for the client.
+func WithLogger(logger *zap.Logger) Option {
+	return func(c *Client) error {
+		c.logger = logger
+
+		return nil
+	}
+}
+
+// WithConfig applies all configurations defined in the config.
+func WithConfig(config Config) Option {
+	return func(c *Client) error {
+		var options []Option
+
+		if config.EMGQL.Populated() {
+			client, err := emgql.New(emgql.WithConfig(config.EMGQL))
+			if err != nil {
+				return err
+			}
+
+			options = append(options, WithProvider(client))
+		} else if config.EMAPI.Populated() {
+			client, err := emapi.New(emapi.WithConfig(config.EMAPI))
+			if err != nil {
+				return err
+			}
+
+			options = append(options, WithProvider(client))
+		}
+
+		for _, opt := range options {
+			if err := opt(c); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	}
+}