cluster: refactor Machine.ReadFile() and Machine.OpenFile()

Signed-off-by: Alejandro Mery <amery@jpi.io>

pkg/cluster/machine_file.go

@@ -11,10 +11,9 @@ import (
 
 // OpenFile opens a file on the machine's config directory with the specified flags
 func (m *Machine) OpenFile(name string, flags int, args ...any) (fs.File, error) {
-	base := m.zone.zones.dir
 	fullName := m.getFilename(name, args...)
 
-	return fs.OpenFile(base, fullName, flags, 0644)
+	return m.zone.zones.OpenFile(fullName, flags)
 }
 
 // CreateTruncFile creates or truncates a file on the machine's config directory
@@ -49,10 +48,9 @@ func (m *Machine) RemoveFile(name string, args ...any) error {
 
 // ReadFile reads a file from the machine's config directory
 func (m *Machine) ReadFile(name string, args ...any) ([]byte, error) {
-	base := m.zone.zones.dir
 	fullName := m.getFilename(name, args...)
 
-	return fs.ReadFile(base, fullName)
+	return m.zone.zones.ReadFile(fullName)
 }
 
 // WriteStringFile writes the given content to a file on the machine's config directory