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package zones
import (
"fmt"
"io/fs"
"net/netip"
"path/filepath"
"strconv"
"strings"
"sync"
)
// A Machine is a machine on a Zone
type Machine struct {
mu sync.Mutex
zone *Zone
id int
Name string
PublicAddresses []netip.Addr
}
func (m *Machine) String() string {
return m.Name
}
// ID return the index within the [Zone] associated to this [Machine]
func (m *Machine) ID() int {
m.mu.Lock()
defer m.mu.Unlock()
if m.id == 0 {
zoneName := m.zone.Name
s := m.Name[len(zoneName)+1:]
id, err := strconv.ParseInt(s, 10, 8)
if err != nil {
panic(err)
}
m.id = int(id)
}
return m.id
}
// FullName returns the Name of the machine including domain name
func (m *Machine) FullName() string {
if domain := m.zone.zones.domain; domain != "" {
var s = []string{
m.Name,
domain,
}
return strings.Join(s, ".")
}
return m.Name
}
// 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)
}
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...)
}