packer-cn/builder/proxmox/builder.go

136 lines
3.3 KiB
Go

package proxmox
import (
"context"
"crypto/tls"
"fmt"
"github.com/Telmate/proxmox-api-go/proxmox"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/communicator"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
// The unique id for the builder
const BuilderId = "proxmox.builder"
type Builder struct {
config Config
runner multistep.Runner
proxmoxClient *proxmox.Client
}
// Builder implements packer.Builder
var _ packer.Builder = &Builder{}
var pluginVersion = "1.0.0"
func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
config, warnings, errs := NewConfig(raws...)
if errs != nil {
return warnings, errs
}
b.config = *config
return nil, nil
}
func (b *Builder) Run(ctx context.Context, ui packer.Ui, hook packer.Hook) (packer.Artifact, error) {
var err error
tlsConfig := &tls.Config{
InsecureSkipVerify: b.config.SkipCertValidation,
}
b.proxmoxClient, err = proxmox.NewClient(b.config.ProxmoxURL.String(), nil, tlsConfig)
if err != nil {
return nil, err
}
err = b.proxmoxClient.Login(b.config.Username, b.config.Password)
if err != nil {
return nil, err
}
// Set up the state
state := new(multistep.BasicStateBag)
state.Put("config", &b.config)
state.Put("proxmoxClient", b.proxmoxClient)
state.Put("hook", hook)
state.Put("ui", ui)
// Build the steps
steps := []multistep.Step{
&stepStartVM{},
&common.StepHTTPServer{
HTTPDir: b.config.HTTPDir,
HTTPPortMin: b.config.HTTPPortMin,
HTTPPortMax: b.config.HTTPPortMax,
},
&stepTypeBootCommand{
BootConfig: b.config.BootConfig,
Ctx: b.config.ctx,
},
&communicator.StepConnect{
Config: &b.config.Comm,
Host: commHost(b.config.Comm.Host()),
SSHConfig: b.config.Comm.SSHConfigFunc(),
},
&common.StepProvision{},
&common.StepCleanupTempKeys{
Comm: &b.config.Comm,
},
&stepConvertToTemplate{},
&stepFinalizeTemplateConfig{},
&stepSuccess{},
}
// Run the steps
b.runner = common.NewRunner(steps, b.config.PackerConfig, ui)
b.runner.Run(ctx, state)
// If there was an error, return that
if rawErr, ok := state.GetOk("error"); ok {
return nil, rawErr.(error)
}
artifact := &Artifact{
templateID: state.Get("template_id").(int),
proxmoxClient: b.proxmoxClient,
}
return artifact, nil
}
// Returns ssh_host or winrm_host (see communicator.Config.Host) config
// parameter when set, otherwise gets the host IP from running VM
func commHost(host string) func(state multistep.StateBag) (string, error) {
if host != "" {
return func(state multistep.StateBag) (string, error) {
return host, nil
}
}
return getVMIP
}
// Reads the first non-loopback interface's IP address from the VM.
// qemu-guest-agent package must be installed on the VM
func getVMIP(state multistep.StateBag) (string, error) {
c := state.Get("proxmoxClient").(*proxmox.Client)
vmRef := state.Get("vmRef").(*proxmox.VmRef)
ifs, err := c.GetVmAgentNetworkInterfaces(vmRef)
if err != nil {
return "", err
}
// TODO: Do something smarter here? Allow specifying interface? Or address family?
// For now, just go for first non-loopback
for _, iface := range ifs {
for _, addr := range iface.IPAddresses {
if addr.IsLoopback() {
continue
}
return addr.String(), nil
}
}
return "", fmt.Errorf("Found no IP addresses on VM")
}