packer-cn/builder/osc/common/ssh.go

161 lines
3.7 KiB
Go

package common
import (
"context"
"errors"
"fmt"
"time"
"net/http"
"github.com/antihax/optional"
"github.com/hashicorp/packer/packer-plugin-sdk/multistep"
"github.com/outscale/osc-sdk-go/osc"
)
type oscDescriber interface {
ReadVms(ctx context.Context, localVarOptionals *osc.ReadVmsOpts) (osc.ReadVmsResponse, *http.Response, error)
}
var (
// modified in tests
sshHostSleepDuration = time.Second
)
// SSHHost returns a function that can be given to the SSH communicator
// for determining the SSH address based on the vm DNS name.
func SSHHost(e oscDescriber, sshInterface string) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
const tries = 2
// <= with current structure to check result of describing `tries` times
for j := 0; j <= tries; j++ {
var host string
i := state.Get("vm").(osc.Vm)
if sshInterface != "" {
switch sshInterface {
case "public_ip":
if i.PublicIp != "" {
host = i.PublicIp
}
case "public_dns":
if i.PublicDnsName != "" {
host = i.PublicDnsName
}
case "private_ip":
if i.PrivateIp != "" {
host = i.PrivateIp
}
case "private_dns":
if i.PrivateDnsName != "" {
host = i.PrivateDnsName
}
default:
panic(fmt.Sprintf("Unknown interface type: %s", sshInterface))
}
} else if i.NetId != "" {
if i.PublicIp != "" {
host = i.PublicIp
} else if i.PrivateIp != "" {
host = i.PrivateIp
}
} else if i.PublicDnsName != "" {
host = i.PublicDnsName
}
if host != "" {
return host, nil
}
r, _, err := e.ReadVms(context.Background(), &osc.ReadVmsOpts{
ReadVmsRequest: optional.NewInterface(osc.ReadVmsRequest{
Filters: osc.FiltersVm{
VmIds: []string{i.VmId},
},
}),
})
if err != nil {
return "", err
}
if len(r.Vms) == 0 {
return "", fmt.Errorf("vm not found: %s", i.VmId)
}
state.Put("vm", r.Vms[0])
time.Sleep(sshHostSleepDuration)
}
return "", errors.New("couldn't determine address for vm")
}
}
// SSHHost returns a function that can be given to the SSH communicator
// for determining the SSH address based on the vm DNS name.
func OscSSHHost(e oscDescriber, sshInterface string) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
const tries = 2
// <= with current structure to check result of describing `tries` times
for j := 0; j <= tries; j++ {
var host string
i := state.Get("vm").(osc.Vm)
if sshInterface != "" {
switch sshInterface {
case "public_ip":
if i.PublicIp != "" {
host = i.PublicIp
}
case "public_dns":
if i.PublicDnsName != "" {
host = i.PublicDnsName
}
case "private_ip":
if i.PrivateIp != "" {
host = i.PrivateIp
}
case "private_dns":
if i.PrivateDnsName != "" {
host = i.PrivateDnsName
}
default:
panic(fmt.Sprintf("Unknown interface type: %s", sshInterface))
}
} else if i.NetId != "" {
if i.PublicIp != "" {
host = i.PublicIp
} else if i.PrivateIp != "" {
host = i.PrivateIp
}
} else if i.PublicDnsName != "" {
host = i.PublicDnsName
}
if host != "" {
return host, nil
}
r, _, err := e.ReadVms(context.Background(), &osc.ReadVmsOpts{
ReadVmsRequest: optional.NewInterface(osc.ReadVmsRequest{
Filters: osc.FiltersVm{
VmIds: []string{i.VmId},
},
}),
})
if err != nil {
return "", err
}
if len(r.Vms) == 0 {
return "", fmt.Errorf("vm not found: %s", i.VmId)
}
state.Put("vm", r.Vms[0])
time.Sleep(sshHostSleepDuration)
}
return "", errors.New("couldn't determine address for vm")
}
}