Rename coordinator to bootstrapper and rename roles

bootstrapper/internal/logging/logger.go

@@ -0,0 +1,22 @@
+package logging
+
+import "io"
+
+// CloudLogger is used to log information to a **non-confidential** destination
+// at cloud provider for early-boot debugging. Make sure to **NOT** include any
+// sensitive information!
+type CloudLogger interface {
+	// Disclose is used to log information into a **non-confidential** destination at
+	// cloud provider for early-boot debugging. Make sure to **NOT** Disclose any
+	// sensitive information!
+	Disclose(msg string)
+	io.Closer
+}
+
+type NopLogger struct{}
+
+func (l *NopLogger) Disclose(msg string) {}
+
+func (l *NopLogger) Close() error {
+	return nil
+}