packer-cn/builder/proxmox/iso/step_upload_iso.go

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package proxmoxiso
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import (
"context"
"fmt"
"io"
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"os"
"path/filepath"
"github.com/Telmate/proxmox-api-go/proxmox"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
)
// stepUploadISO uploads an ISO file to Proxmox so we can boot from it
type stepUploadISO struct{}
type uploader interface {
Upload(node string, storage string, contentType string, filename string, file io.Reader) error
}
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var _ uploader = &proxmox.Client{}
func (s *stepUploadISO) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packer.Ui)
client := state.Get("proxmoxClient").(uploader)
c := state.Get("iso-config").(*Config)
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if !c.shouldUploadISO {
state.Put("iso_file", c.ISOFile)
return multistep.ActionContinue
}
p := state.Get(downloadPathKey).(string)
if p == "" {
err := fmt.Errorf("Path to downloaded ISO was empty")
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
// All failure cases in resolving the symlink are caught anyway in os.Open
isoPath, _ := filepath.EvalSymlinks(p)
r, err := os.Open(isoPath)
if err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
filename := filepath.Base(c.ISOUrls[0])
err = client.Upload(c.Node, c.ISOStoragePool, "iso", filename, r)
if err != nil {
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
isoStoragePath := fmt.Sprintf("%s:iso/%s", c.ISOStoragePool, filename)
state.Put("iso_file", isoStoragePath)
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return multistep.ActionContinue
}
func (s *stepUploadISO) Cleanup(state multistep.StateBag) {
}