/
factory.go
109 lines (99 loc) · 2.2 KB
/
factory.go
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package machine
import (
"fmt"
apb "github.com/enfabrica/enkit/auth/proto"
"github.com/enfabrica/enkit/lib/client"
"github.com/enfabrica/enkit/lib/logger"
"github.com/enfabrica/enkit/lib/multierror"
"github.com/enfabrica/enkit/lib/retry"
"github.com/enfabrica/enkit/machinist/config"
"google.golang.org/grpc"
"log"
"net"
"time"
)
func New(mods ...NodeModifier) (*Machine, error) {
n := &Machine{
Log: logger.DefaultLogger{Printer: log.Printf},
Repeater: retry.New(retry.WithWait(5*time.Second), retry.WithAttempts(5)),
Node: &config.Node{
Common: config.DefaultCommonFlags(),
},
}
for _, m := range mods {
if err := m(n); err != nil {
return nil, err
}
}
if n.AuthClient == nil && n.DialFunc == nil {
conn, err := n.Root.Connect()
if err != nil {
return nil, err
}
n.AuthClient = apb.NewAuthClient(conn)
}
return n, nil
}
type NodeModifier func(node *Machine) error
func WithMachinistFlags(mods ...config.CommonModifier) NodeModifier {
return func(n *Machine) error {
for _, mod := range mods {
if err := mod(n); err != nil {
return err
}
}
return nil
}
}
func WithName(name string) NodeModifier {
return func(node *Machine) error {
node.Name = name
return nil
}
}
func WithTags(tags []string) NodeModifier {
return func(node *Machine) error {
node.Tags = tags
return nil
}
}
func WithDialFunc(f func() (*grpc.ClientConn, error)) NodeModifier {
return func(node *Machine) error {
node.DialFunc = f
return nil
}
}
func WithAuthFlags(af *client.AuthFlags) NodeModifier {
return func(node *Machine) error {
cc, err := af.Connect()
if err != nil {
return err
}
node.AuthClient = apb.NewAuthClient(cc)
return nil
}
}
func WithIps(ips []string) NodeModifier {
return func(node *Machine) error {
var errors []error
var ipps []net.IP
for _, v := range ips {
if i := net.ParseIP(v); i != nil {
ipps = append(ipps, i)
continue
}
errors = append(errors, fmt.Errorf("%s is not a valid ip", v))
}
if len(errors) != 0 {
return multierror.New(errors)
}
node.IpAddresses = ips
return nil
}
}
func WithConfig(node *config.Node) NodeModifier {
return func(machine *Machine) error {
machine.Node = node
return nil
}
}