jpictl/pkg/zones/machine.go

package zones

import (
	"fmt"
	"io/fs"
	"net/netip"
	"path/filepath"
	"strings"
)

// A Machine is a machine on a Zone
type Machine struct {
	zone *Zone
	ID   int
	Name string `toml:"name"`

	PublicAddresses []netip.Addr `toml:"public,omitempty"`
	Rings           []*RingInfo  `toml:"rings,omitempty"`
}

func (m *Machine) String() string {
	return m.Name
}

// 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...)
}

// IsGateway tells if the Machine is a ring0 gateway
func (m *Machine) IsGateway() bool {
	_, ok := m.getRingInfo(0)
	return ok
}

func (m *Machine) getPeerByName(name string) (*Machine, bool) {
	return m.zone.zones.GetMachineByName(name)
}