first commit

framework/configstore/errors.go

@@ -0,0 +1,19 @@
+package configstore
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+)
+
+var ErrNotFound = errors.New("not found")
+var ErrAlreadyExists = errors.New("already exists")
+
+// ErrUnresolvedKeys is returned when one or more keys could not be resolved
+type ErrUnresolvedKeys struct {
+	Identifiers []string
+}
+
+func (e *ErrUnresolvedKeys) Error() string {
+	return fmt.Sprintf("could not resolve keys: %s", strings.Join(e.Identifiers, ", "))
+}