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create_volume.go
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/
create_volume.go
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package vsphere
import (
"github.com/Sirupsen/logrus"
"github.com/emc-advanced-dev/unik/pkg/providers/common"
"github.com/emc-advanced-dev/unik/pkg/types"
"github.com/emc-advanced-dev/pkg/errors"
"os"
"path/filepath"
"time"
"io/ioutil"
)
func (p *VsphereProvider) CreateVolume(params types.CreateVolumeParams) (_ *types.Volume, err error) {
if _, volumeErr := p.GetImage(params.Name); volumeErr == nil {
return nil, errors.New("volume already exists", nil)
}
c := p.getClient()
localVmdkDir, err := ioutil.TempDir("", "localvmdkdir.")
if err != nil {
return nil, errors.New("creating tmp file", err)
}
defer os.RemoveAll(localVmdkDir)
localVmdkFile := filepath.Join(localVmdkDir, "data.vmdk")
logrus.WithField("raw-image", params.ImagePath).Infof("creating vmdk from raw image")
if err := common.ConvertRawImage(types.ImageFormat_RAW, types.ImageFormat_VMDK, params.ImagePath, localVmdkFile); err != nil {
return nil, errors.New("converting raw image to vmdk", err)
}
rawImageFile, err := os.Stat(localVmdkFile)
if err != nil {
return nil, errors.New("statting raw image file", err)
}
sizeMb := rawImageFile.Size() >> 20
vsphereVolumeDir := getVolumeDatastoreDir(params.Name)
if err := c.Mkdir(vsphereVolumeDir); err != nil {
return nil, errors.New("creating vsphere directory for volume", err)
}
defer func() {
if err != nil {
if params.NoCleanup {
logrus.Warnf("because --no-cleanup flag was provided, not cleaning up failed volume %s at %s", params.Name, vsphereVolumeDir)
return
}
logrus.WithError(err).Warnf("creating volume failed, cleaning up volume on datastore")
c.Rmdir(vsphereVolumeDir)
}
}()
if err := c.ImportVmdk(localVmdkFile, vsphereVolumeDir); err != nil {
return nil, errors.New("importing data.vmdk to vsphere datastore", err)
}
volume := &types.Volume{
Id: params.Name,
Name: params.Name,
SizeMb: sizeMb,
Attachment: "",
Infrastructure: types.Infrastructure_VSPHERE,
Created: time.Now(),
}
err = p.state.ModifyVolumes(func(volumes map[string]*types.Volume) error {
volumes[volume.Id] = volume
return nil
})
if err != nil {
return nil, errors.New("modifying volume map in state", err)
}
err = p.state.Save()
if err != nil {
return nil, errors.New("saving volume map to state", err)
}
return volume, nil
}