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package cluster
import (
"fmt"
"io"
"os"
"path/filepath"
fs "github.com/hack-pad/hackpadfs"
)
// 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) {
fullName := m.getFilename(name, args...)
return m.zone.zones.OpenFile(fullName, flags)
}
// CreateTruncFile creates or truncates a file on the machine's config directory
func (m *Machine) CreateTruncFile(name string, args ...any) (io.WriteCloser, error) {
return m.openWriter(name, os.O_CREATE|os.O_TRUNC, args...)
}
// CreateFile creates a file on the machine's config directory
func (m *Machine) CreateFile(name string, args ...any) (io.WriteCloser, error) {
return m.openWriter(name, os.O_CREATE, args...)
}
func (m *Machine) openWriter(name string, flags int, args ...any) (io.WriteCloser, error) {
f, err := m.OpenFile(name, os.O_WRONLY|flags, args...)
if err != nil {
return nil, err
}
if f, ok := f.(io.WriteCloser); ok {
return f, nil
}
panic("unreachable")
}
// RemoveFile deletes a file from the machine's config directory
func (m *Machine) RemoveFile(name string, args ...any) error {
fullName := m.getFilename(name, args...)
return m.zone.zones.RemoveFile(fullName)
}
// ReadFile reads a file from the machine's config directory
func (m *Machine) ReadFile(name string, args ...any) ([]byte, error) {
fullName := m.getFilename(name, args...)
return m.zone.zones.ReadFile(fullName)
}
// ReadLines reads a file from the machine's config directory,
// split by lines, trimmed, and accepting `#` to comment lines out.
func (m *Machine) ReadLines(name string, args ...any) ([]string, error) {
fullName := m.getFilename(name, args...)
return m.zone.zones.ReadLines(fullName)
}
// WriteStringFile writes the given content to a file on the machine's config directory
func (m *Machine) WriteStringFile(value string, name string, args ...any) error {
fullName := m.getFilename(name, args...)
return m.zone.zones.WriteStringFile(value, fullName)
}
// MkdirAll creates directories relative to the machine's config directory
func (m *Machine) MkdirAll(name string, args ...any) error {
fullName := m.getFilename(name, args...)
return m.zone.zones.MkdirAll(fullName)
}
func (m *Machine) getFilename(name string, args ...any) string {
if len(args) > 0 {
name = fmt.Sprintf(name, args...)
}
s := []string{
m.zone.Name,
m.Name,
name,
}
return filepath.Join(s...)
}