github.com/mmcquillan/packer@v1.1.1-0.20171009221028-c85cf0483a5d/builder/profitbricks/step_take_snapshot.go (about)

     1  package profitbricks
     2  
     3  import (
     4  	"encoding/json"
     5  	"time"
     6  
     7  	"github.com/hashicorp/packer/packer"
     8  	"github.com/mitchellh/multistep"
     9  	"github.com/profitbricks/profitbricks-sdk-go"
    10  )
    11  
    12  type stepTakeSnapshot struct{}
    13  
    14  func (s *stepTakeSnapshot) Run(state multistep.StateBag) multistep.StepAction {
    15  	ui := state.Get("ui").(packer.Ui)
    16  	c := state.Get("config").(*Config)
    17  
    18  	ui.Say("Creating ProfitBricks snapshot...")
    19  
    20  	profitbricks.SetAuth(c.PBUsername, c.PBPassword)
    21  
    22  	dcId := state.Get("datacenter_id").(string)
    23  	volumeId := state.Get("volume_id").(string)
    24  
    25  	snapshot := profitbricks.CreateSnapshot(dcId, volumeId, c.SnapshotName, "")
    26  
    27  	state.Put("snapshotname", c.SnapshotName)
    28  
    29  	if snapshot.StatusCode > 299 {
    30  		var restError RestError
    31  		if err := json.Unmarshal([]byte(snapshot.Response), &restError); err != nil {
    32  			ui.Error(err.Error())
    33  			return multistep.ActionHalt
    34  		}
    35  		if len(restError.Messages) > 0 {
    36  			ui.Error(restError.Messages[0].Message)
    37  		} else {
    38  			ui.Error(snapshot.Response)
    39  		}
    40  
    41  		return multistep.ActionHalt
    42  	}
    43  
    44  	s.waitTillProvisioned(snapshot.Headers.Get("Location"), *c)
    45  
    46  	return multistep.ActionContinue
    47  }
    48  
    49  func (s *stepTakeSnapshot) Cleanup(state multistep.StateBag) {
    50  }
    51  
    52  func (d *stepTakeSnapshot) waitTillProvisioned(path string, config Config) {
    53  	d.setPB(config.PBUsername, config.PBPassword, config.PBUrl)
    54  	waitCount := 50
    55  	if config.Retries > 0 {
    56  		waitCount = config.Retries
    57  	}
    58  	for i := 0; i < waitCount; i++ {
    59  		request := profitbricks.GetRequestStatus(path)
    60  		if request.Metadata.Status == "DONE" {
    61  			break
    62  		}
    63  		time.Sleep(10 * time.Second)
    64  		i++
    65  	}
    66  }
    67  
    68  func (d *stepTakeSnapshot) setPB(username string, password string, url string) {
    69  	profitbricks.SetAuth(username, password)
    70  	profitbricks.SetEndpoint(url)
    71  }