packer-cn/builder/hcloud/step_create_server.go

93 lines
2.4 KiB
Go

package hcloud
import (
"context"
"fmt"
"io/ioutil"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hetznercloud/hcloud-go/hcloud"
)
type stepCreateServer struct {
serverId int
}
func (s *stepCreateServer) Run(_ context.Context, state multistep.StateBag) multistep.StepAction {
client := state.Get("hcloudClient").(*hcloud.Client)
ui := state.Get("ui").(packer.Ui)
c := state.Get("config").(*Config)
sshKeyId := state.Get("ssh_key_id").(int)
// Create the server based on configuration
ui.Say("Creating server...")
userData := c.UserData
if c.UserDataFile != "" {
contents, err := ioutil.ReadFile(c.UserDataFile)
if err != nil {
state.Put("error", fmt.Errorf("Problem reading user data file: %s", err))
return multistep.ActionHalt
}
userData = string(contents)
}
serverCreateResult, _, err := client.Server.Create(context.TODO(), hcloud.ServerCreateOpts{
Name: c.ServerName,
ServerType: &hcloud.ServerType{Name: c.ServerType},
Image: &hcloud.Image{Name: c.Image},
SSHKeys: []*hcloud.SSHKey{{ID: sshKeyId}},
Location: &hcloud.Location{Name: c.Location},
UserData: userData,
})
if err != nil {
err := fmt.Errorf("1Error creating server: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
state.Put("server_ip", serverCreateResult.Server.PublicNet.IPv4.IP.String())
// We use this in cleanup
s.serverId = serverCreateResult.Server.ID
// Store the server id for later
state.Put("server_id", serverCreateResult.Server.ID)
_, errCh := client.Action.WatchProgress(context.TODO(), serverCreateResult.Action)
for {
select {
case err1 := <-errCh:
if err1 == nil {
return multistep.ActionContinue
} else {
err := fmt.Errorf("Error creating server: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
}
}
func (s *stepCreateServer) Cleanup(state multistep.StateBag) {
// If the serverID isn't there, we probably never created it
if s.serverId == 0 {
return
}
client := state.Get("hcloudClient").(*hcloud.Client)
ui := state.Get("ui").(packer.Ui)
// Destroy the server we just created
ui.Say("Destroying server...")
_, err := client.Server.Delete(context.TODO(), &hcloud.Server{ID: s.serverId})
if err != nil {
ui.Error(fmt.Sprintf(
"Error destroying server. Please destroy it manually: %s", err))
}
}