Validate username/password for ovftool during prepare.
Add template option skip_validate_credentials allowing users to skip this validation if they don't want it. Refactor vmware-iso builder to separate out config so that it matches the vmware-vmx builder and simplifies the builder.go file
This commit is contained in:
Megan Marsh
parent
7643ccc67d
commit
536e0501ac
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@ -1,22 +1,30 @@
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package common
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import (
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"bytes"
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"context"
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"fmt"
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"net/url"
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"os"
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"os/exec"
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"strings"
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"time"
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"github.com/hashicorp/packer/template/interpolate"
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)
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type DriverConfig struct {
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FusionAppPath string `mapstructure:"fusion_app_path"`
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RemoteType string `mapstructure:"remote_type"`
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RemoteDatastore string `mapstructure:"remote_datastore"`
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RemoteCacheDatastore string `mapstructure:"remote_cache_datastore"`
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RemoteCacheDirectory string `mapstructure:"remote_cache_directory"`
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RemoteHost string `mapstructure:"remote_host"`
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RemotePort uint `mapstructure:"remote_port"`
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RemoteUser string `mapstructure:"remote_username"`
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RemotePassword string `mapstructure:"remote_password"`
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RemotePrivateKey string `mapstructure:"remote_private_key_file"`
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FusionAppPath string `mapstructure:"fusion_app_path"`
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RemoteType string `mapstructure:"remote_type"`
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RemoteDatastore string `mapstructure:"remote_datastore"`
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RemoteCacheDatastore string `mapstructure:"remote_cache_datastore"`
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RemoteCacheDirectory string `mapstructure:"remote_cache_directory"`
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RemoteHost string `mapstructure:"remote_host"`
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RemotePort uint `mapstructure:"remote_port"`
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RemoteUser string `mapstructure:"remote_username"`
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RemotePassword string `mapstructure:"remote_password"`
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RemotePrivateKey string `mapstructure:"remote_private_key_file"`
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SkipValidateCredentials bool `mapstructure:"skip_validate_credentials"`
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}
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func (c *DriverConfig) Prepare(ctx *interpolate.Context) []error {
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@ -44,3 +52,50 @@ func (c *DriverConfig) Prepare(ctx *interpolate.Context) []error {
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return nil
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}
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func (c *DriverConfig) Validate(SkipExport bool) error {
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if c.RemoteType == "esx5" && SkipExport != true {
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if c.RemotePassword == "" {
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return fmt.Errorf("exporting the vm (with ovftool) requires that " +
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"you set a value for remote_password")
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} else if !c.SkipValidateCredentials {
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// check that password is valid by sending a dummy ovftool command
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// now, so that we don't fail for a simple mistake after a long
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// build
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ovftool := GetOVFTool()
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ovfToolArgs := []string{"--verifyOnly", fmt.Sprintf("vi://" +
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url.QueryEscape(c.RemoteUser) + ":" +
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url.QueryEscape(c.RemotePassword) + "@" +
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c.RemoteHost)}
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var out bytes.Buffer
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cmdCtx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancel()
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cmd := exec.CommandContext(cmdCtx, ovftool, ovfToolArgs...)
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cmd.Stdout = &out
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// Need to manually close stdin or else the ofvtool call will hang
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// forever in a situation where the user has provided an invalid
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// password or username
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stdin, _ := cmd.StdinPipe()
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defer stdin.Close()
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if err := cmd.Run(); err != nil {
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outString := out.String()
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// The command *should* fail with this error, if it
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// authenticates properly.
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if !strings.Contains(outString, "Found wrong kind of object") {
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err := fmt.Errorf("ovftool validation error: %s; %s",
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err, outString)
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if strings.Contains(outString,
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"Enter login information for source") {
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err = fmt.Errorf("The username or password you " +
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"provided to ovftool is invalid.")
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}
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return err
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}
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}
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}
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}
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return nil
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}
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@ -26,6 +26,18 @@ type StepExport struct {
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OutputDir string
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}
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func GetOVFTool() string {
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ovftool := "ovftool"
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if runtime.GOOS == "windows" {
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ovftool = "ovftool.exe"
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}
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if _, err := exec.LookPath(ovftool); err != nil {
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return ""
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}
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return ovftool
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}
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func (s *StepExport) generateArgs(c *DriverConfig, displayName string, hidePassword bool) []string {
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password := url.QueryEscape(c.RemotePassword)
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if hidePassword {
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@ -57,13 +69,9 @@ func (s *StepExport) Run(_ context.Context, state multistep.StateBag) multistep.
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return multistep.ActionContinue
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}
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ovftool := "ovftool"
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if runtime.GOOS == "windows" {
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ovftool = "ovftool.exe"
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}
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if _, err := exec.LookPath(ovftool); err != nil {
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err = fmt.Errorf("Error %s not found: %s", ovftool, err)
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ovftool := GetOVFTool()
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if ovftool == "" {
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err := fmt.Errorf("Error %s not found: ", ovftool)
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state.Put("error", err)
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ui.Error(err.Error())
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return multistep.ActionHalt
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@ -3,7 +3,6 @@ package iso
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"strings"
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@ -11,12 +10,9 @@ import (
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vmwcommon "github.com/hashicorp/packer/builder/vmware/common"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/common/bootcommand"
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"github.com/hashicorp/packer/helper/communicator"
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"github.com/hashicorp/packer/helper/config"
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"github.com/hashicorp/packer/helper/multistep"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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)
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type Builder struct {
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@ -24,139 +20,14 @@ type Builder struct {
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runner multistep.Runner
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}
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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common.HTTPConfig `mapstructure:",squash"`
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common.ISOConfig `mapstructure:",squash"`
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common.FloppyConfig `mapstructure:",squash"`
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bootcommand.VNCConfig `mapstructure:",squash"`
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vmwcommon.DriverConfig `mapstructure:",squash"`
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vmwcommon.OutputConfig `mapstructure:",squash"`
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vmwcommon.RunConfig `mapstructure:",squash"`
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vmwcommon.ShutdownConfig `mapstructure:",squash"`
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vmwcommon.SSHConfig `mapstructure:",squash"`
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vmwcommon.ToolsConfig `mapstructure:",squash"`
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vmwcommon.VMXConfig `mapstructure:",squash"`
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vmwcommon.ExportConfig `mapstructure:",squash"`
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// disk drives
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AdditionalDiskSize []uint `mapstructure:"disk_additional_size"`
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DiskAdapterType string `mapstructure:"disk_adapter_type"`
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DiskName string `mapstructure:"vmdk_name"`
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DiskSize uint `mapstructure:"disk_size"`
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DiskTypeId string `mapstructure:"disk_type_id"`
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Format string `mapstructure:"format"`
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// cdrom drive
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CdromAdapterType string `mapstructure:"cdrom_adapter_type"`
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// platform information
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GuestOSType string `mapstructure:"guest_os_type"`
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Version string `mapstructure:"version"`
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VMName string `mapstructure:"vm_name"`
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// Network adapter and type
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NetworkAdapterType string `mapstructure:"network_adapter_type"`
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Network string `mapstructure:"network"`
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// device presence
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Sound bool `mapstructure:"sound"`
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USB bool `mapstructure:"usb"`
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// communication ports
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Serial string `mapstructure:"serial"`
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Parallel string `mapstructure:"parallel"`
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VMXDiskTemplatePath string `mapstructure:"vmx_disk_template_path"`
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VMXTemplatePath string `mapstructure:"vmx_template_path"`
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ctx interpolate.Context
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}
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// Prepare processes the build configuration parameters.
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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err := config.Decode(&b.config, &config.DecodeOpts{
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Interpolate: true,
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InterpolateContext: &b.config.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"boot_command",
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"tools_upload_path",
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},
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},
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}, raws...)
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if err != nil {
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return nil, err
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}
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// Accumulate any errors and warnings
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var errs *packer.MultiError
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warnings := make([]string, 0)
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isoWarnings, isoErrs := b.config.ISOConfig.Prepare(&b.config.ctx)
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warnings = append(warnings, isoWarnings...)
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errs = packer.MultiErrorAppend(errs, isoErrs...)
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errs = packer.MultiErrorAppend(errs, b.config.HTTPConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.DriverConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs,
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b.config.OutputConfig.Prepare(&b.config.ctx, &b.config.PackerConfig)...)
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errs = packer.MultiErrorAppend(errs, b.config.RunConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ShutdownConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.SSHConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ToolsConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.VMXConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.FloppyConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.VNCConfig.Prepare(&b.config.ctx)...)
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errs = packer.MultiErrorAppend(errs, b.config.ExportConfig.Prepare(&b.config.ctx)...)
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if b.config.DiskName == "" {
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b.config.DiskName = "disk"
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}
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if b.config.DiskSize == 0 {
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b.config.DiskSize = 40000
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}
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if b.config.DiskAdapterType == "" {
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// Default is lsilogic
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b.config.DiskAdapterType = "lsilogic"
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}
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if !b.config.SkipCompaction {
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if b.config.RemoteType == "esx5" {
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if b.config.DiskTypeId == "" {
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b.config.SkipCompaction = true
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}
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}
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}
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if b.config.DiskTypeId == "" {
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// Default is growable virtual disk split in 2GB files.
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b.config.DiskTypeId = "1"
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if b.config.RemoteType == "esx5" {
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b.config.DiskTypeId = "zeroedthick"
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}
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}
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if b.config.RemoteType == "esx5" {
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if b.config.DiskTypeId != "thin" && !b.config.SkipCompaction {
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errs = packer.MultiErrorAppend(
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errs, fmt.Errorf("skip_compaction must be 'true' for disk_type_id: %s", b.config.DiskTypeId))
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}
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}
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if b.config.GuestOSType == "" {
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b.config.GuestOSType = "other"
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}
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if b.config.VMName == "" {
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b.config.VMName = fmt.Sprintf("packer-%s", b.config.PackerBuildName)
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}
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if b.config.Version == "" {
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b.config.Version = "9"
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c, warnings, errs := NewConfig(raws...)
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if errs != nil {
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return warnings, errs
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}
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b.config = *c
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if b.config.VMXTemplatePath != "" {
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if err := b.validateVMXTemplatePath(); err != nil {
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errs = packer.MultiErrorAppend(
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@ -170,62 +41,6 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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}
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}
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if b.config.Network == "" {
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b.config.Network = "nat"
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}
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if !b.config.Sound {
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b.config.Sound = false
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}
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if !b.config.USB {
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b.config.USB = false
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}
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// Remote configuration validation
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if b.config.RemoteType != "" {
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if b.config.RemoteHost == "" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("remote_host must be specified"))
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}
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if b.config.RemoteType != "esx5" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("Only 'esx5' value is accepted for remote_type"))
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}
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}
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if b.config.Format == "" {
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b.config.Format = "ovf"
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}
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if !(b.config.Format == "ova" || b.config.Format == "ovf" || b.config.Format == "vmx") {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("format must be one of ova, ovf, or vmx"))
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}
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if b.config.RemoteType == "esx5" && b.config.SkipExport != true && b.config.RemotePassword == "" {
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errs = packer.MultiErrorAppend(errs,
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fmt.Errorf("exporting the vm (with ovftool) requires that you set a value for remote_password"))
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}
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// Warnings
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if b.config.ShutdownCommand == "" {
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warnings = append(warnings,
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"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
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"will forcibly halt the virtual machine, which may result in data loss.")
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}
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if b.config.Headless && b.config.DisableVNC {
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warnings = append(warnings,
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"Headless mode uses VNC to retrieve output. Since VNC has been disabled,\n"+
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"you won't be able to see any output.")
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}
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if errs != nil && len(errs.Errors) > 0 {
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return warnings, errs
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}
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return warnings, nil
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}
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@ -146,6 +146,7 @@ func TestBuilderPrepare_RemoteType(t *testing.T) {
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config["format"] = "ovf"
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config["remote_host"] = "foobar.example.com"
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config["remote_password"] = "supersecret"
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config["skip_validate_credentials"] = true
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// Bad
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config["remote_type"] = "foobar"
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warns, err := b.Prepare(config)
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@ -202,6 +203,7 @@ func TestBuilderPrepare_RemoteExport(t *testing.T) {
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config["remote_type"] = "esx5"
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config["remote_host"] = "foobar.example.com"
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config["skip_validate_credentials"] = true
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// Bad
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config["remote_password"] = ""
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warns, err := b.Prepare(config)
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@ -0,0 +1,271 @@
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package iso
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import (
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"fmt"
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"io/ioutil"
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"os"
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vmwcommon "github.com/hashicorp/packer/builder/vmware/common"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/common/bootcommand"
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"github.com/hashicorp/packer/helper/config"
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"github.com/hashicorp/packer/packer"
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"github.com/hashicorp/packer/template/interpolate"
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)
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type Config struct {
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common.PackerConfig `mapstructure:",squash"`
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common.HTTPConfig `mapstructure:",squash"`
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common.ISOConfig `mapstructure:",squash"`
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common.FloppyConfig `mapstructure:",squash"`
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bootcommand.VNCConfig `mapstructure:",squash"`
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vmwcommon.DriverConfig `mapstructure:",squash"`
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vmwcommon.OutputConfig `mapstructure:",squash"`
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vmwcommon.RunConfig `mapstructure:",squash"`
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vmwcommon.ShutdownConfig `mapstructure:",squash"`
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vmwcommon.SSHConfig `mapstructure:",squash"`
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vmwcommon.ToolsConfig `mapstructure:",squash"`
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vmwcommon.VMXConfig `mapstructure:",squash"`
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vmwcommon.ExportConfig `mapstructure:",squash"`
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// disk drives
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AdditionalDiskSize []uint `mapstructure:"disk_additional_size"`
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DiskAdapterType string `mapstructure:"disk_adapter_type"`
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DiskName string `mapstructure:"vmdk_name"`
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DiskSize uint `mapstructure:"disk_size"`
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DiskTypeId string `mapstructure:"disk_type_id"`
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Format string `mapstructure:"format"`
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// cdrom drive
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CdromAdapterType string `mapstructure:"cdrom_adapter_type"`
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// platform information
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GuestOSType string `mapstructure:"guest_os_type"`
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Version string `mapstructure:"version"`
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VMName string `mapstructure:"vm_name"`
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// Network adapter and type
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NetworkAdapterType string `mapstructure:"network_adapter_type"`
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Network string `mapstructure:"network"`
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// device presence
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Sound bool `mapstructure:"sound"`
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USB bool `mapstructure:"usb"`
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// communication ports
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Serial string `mapstructure:"serial"`
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Parallel string `mapstructure:"parallel"`
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VMXDiskTemplatePath string `mapstructure:"vmx_disk_template_path"`
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VMXTemplatePath string `mapstructure:"vmx_template_path"`
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ctx interpolate.Context
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}
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func NewConfig(raws ...interface{}) (*Config, []string, error) {
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c := new(Config)
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err := config.Decode(c, &config.DecodeOpts{
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Interpolate: true,
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InterpolateContext: &c.ctx,
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InterpolateFilter: &interpolate.RenderFilter{
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Exclude: []string{
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"boot_command",
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"tools_upload_path",
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},
|
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},
|
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}, raws...)
|
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if err != nil {
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return nil, nil, err
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}
|
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|
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// Accumulate any errors and warnings
|
||||
var errs *packer.MultiError
|
||||
warnings := make([]string, 0)
|
||||
|
||||
isoWarnings, isoErrs := c.ISOConfig.Prepare(&c.ctx)
|
||||
warnings = append(warnings, isoWarnings...)
|
||||
errs = packer.MultiErrorAppend(errs, isoErrs...)
|
||||
errs = packer.MultiErrorAppend(errs, c.HTTPConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.DriverConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs,
|
||||
c.OutputConfig.Prepare(&c.ctx, &c.PackerConfig)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.RunConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.ShutdownConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.SSHConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.ToolsConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.VMXConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.FloppyConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.VNCConfig.Prepare(&c.ctx)...)
|
||||
errs = packer.MultiErrorAppend(errs, c.ExportConfig.Prepare(&c.ctx)...)
|
||||
|
||||
if c.DiskName == "" {
|
||||
c.DiskName = "disk"
|
||||
}
|
||||
|
||||
if c.DiskSize == 0 {
|
||||
c.DiskSize = 40000
|
||||
}
|
||||
|
||||
if c.DiskAdapterType == "" {
|
||||
// Default is lsilogic
|
||||
c.DiskAdapterType = "lsilogic"
|
||||
}
|
||||
|
||||
if !c.SkipCompaction {
|
||||
if c.RemoteType == "esx5" {
|
||||
if c.DiskTypeId == "" {
|
||||
c.SkipCompaction = true
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if c.DiskTypeId == "" {
|
||||
// Default is growable virtual disk split in 2GB files.
|
||||
c.DiskTypeId = "1"
|
||||
|
||||
if c.RemoteType == "esx5" {
|
||||
c.DiskTypeId = "zeroedthick"
|
||||
}
|
||||
}
|
||||
|
||||
if c.RemoteType == "esx5" {
|
||||
if c.DiskTypeId != "thin" && !c.SkipCompaction {
|
||||
errs = packer.MultiErrorAppend(
|
||||
errs, fmt.Errorf("skip_compaction must be 'true' for disk_type_id: %s", c.DiskTypeId))
|
||||
}
|
||||
}
|
||||
|
||||
if c.GuestOSType == "" {
|
||||
c.GuestOSType = "other"
|
||||
}
|
||||
|
||||
if c.VMName == "" {
|
||||
c.VMName = fmt.Sprintf("packer-%s", c.PackerBuildName)
|
||||
}
|
||||
|
||||
if c.Version == "" {
|
||||
c.Version = "9"
|
||||
}
|
||||
|
||||
if c.VMXTemplatePath != "" {
|
||||
if err := c.validateVMXTemplatePath(); err != nil {
|
||||
errs = packer.MultiErrorAppend(
|
||||
errs, fmt.Errorf("vmx_template_path is invalid: %s", err))
|
||||
}
|
||||
} else {
|
||||
warn := c.checkForVMXTemplateAndVMXDataCollisions()
|
||||
if warn != "" {
|
||||
warnings = append(warnings, warn)
|
||||
}
|
||||
}
|
||||
|
||||
if c.Network == "" {
|
||||
c.Network = "nat"
|
||||
}
|
||||
|
||||
if !c.Sound {
|
||||
c.Sound = false
|
||||
}
|
||||
|
||||
if !c.USB {
|
||||
c.USB = false
|
||||
}
|
||||
|
||||
// Remote configuration validation
|
||||
if c.RemoteType != "" {
|
||||
if c.RemoteHost == "" {
|
||||
errs = packer.MultiErrorAppend(errs,
|
||||
fmt.Errorf("remote_host must be specified"))
|
||||
}
|
||||
|
||||
if c.RemoteType != "esx5" {
|
||||
errs = packer.MultiErrorAppend(errs,
|
||||
fmt.Errorf("Only 'esx5' value is accepted for remote_type"))
|
||||
}
|
||||
}
|
||||
|
||||
if c.Format == "" {
|
||||
c.Format = "ovf"
|
||||
}
|
||||
|
||||
if !(c.Format == "ova" || c.Format == "ovf" || c.Format == "vmx") {
|
||||
errs = packer.MultiErrorAppend(errs,
|
||||
fmt.Errorf("format must be one of ova, ovf, or vmx"))
|
||||
}
|
||||
|
||||
err = c.DriverConfig.Validate(c.SkipExport)
|
||||
if err != nil {
|
||||
errs = packer.MultiErrorAppend(errs, err)
|
||||
}
|
||||
|
||||
// Warnings
|
||||
if c.ShutdownCommand == "" {
|
||||
warnings = append(warnings,
|
||||
"A shutdown_command was not specified. Without a shutdown command, Packer\n"+
|
||||
"will forcibly halt the virtual machine, which may result in data loss.")
|
||||
}
|
||||
|
||||
if c.Headless && c.DisableVNC {
|
||||
warnings = append(warnings,
|
||||
"Headless mode uses VNC to retrieve output. Since VNC has been disabled,\n"+
|
||||
"you won't be able to see any output.")
|
||||
}
|
||||
|
||||
if errs != nil && len(errs.Errors) > 0 {
|
||||
return nil, warnings, errs
|
||||
}
|
||||
|
||||
return c, warnings, nil
|
||||
}
|
||||
|
||||
// Validate the vmx_data option against the default vmx template to warn
|
||||
// user if anything is being overridden.
|
||||
func (c *Config) checkForVMXTemplateAndVMXDataCollisions() string {
|
||||
if c.VMXTemplatePath != "" {
|
||||
return ""
|
||||
}
|
||||
|
||||
var overridden []string
|
||||
tplLines := strings.Split(DefaultVMXTemplate, "\n")
|
||||
tplLines = append(tplLines,
|
||||
fmt.Sprintf("%s0:0.present", strings.ToLower(c.DiskAdapterType)),
|
||||
fmt.Sprintf("%s0:0.fileName", strings.ToLower(c.DiskAdapterType)),
|
||||
fmt.Sprintf("%s0:0.deviceType", strings.ToLower(c.DiskAdapterType)),
|
||||
fmt.Sprintf("%s0:1.present", strings.ToLower(c.DiskAdapterType)),
|
||||
fmt.Sprintf("%s0:1.fileName", strings.ToLower(c.DiskAdapterType)),
|
||||
fmt.Sprintf("%s0:1.deviceType", strings.ToLower(c.DiskAdapterType)),
|
||||
)
|
||||
|
||||
for _, line := range tplLines {
|
||||
if strings.Contains(line, `{{`) {
|
||||
key := line[:strings.Index(line, " =")]
|
||||
if _, ok := c.VMXData[key]; ok {
|
||||
overridden = append(overridden, key)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if len(overridden) > 0 {
|
||||
warnings := fmt.Sprintf("Your vmx data contains the following "+
|
||||
"variable(s), which Packer normally sets when it generates its "+
|
||||
"own default vmx template. This may cause your build to fail or "+
|
||||
"behave unpredictably: %s", strings.Join(overridden, ", "))
|
||||
return warnings
|
||||
}
|
||||
return ""
|
||||
}
|
||||
|
||||
func (c *Config) validateVMXTemplatePath() error {
|
||||
f, err := os.Open(c.VMXTemplatePath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
data, err := ioutil.ReadAll(f)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return interpolate.Validate(string(data), &c.ctx)
|
||||
}
|
||||
|
|
@ -93,6 +93,11 @@ func NewConfig(raws ...interface{}) (*Config, []string, error) {
|
|||
}
|
||||
}
|
||||
|
||||
err = c.DriverConfig.Validate(c.SkipExport)
|
||||
if err != nil {
|
||||
errs = packer.MultiErrorAppend(errs, err)
|
||||
}
|
||||
|
||||
if c.Format == "" {
|
||||
c.Format = "ovf"
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue