Update windows provisioner

provisioner/windows.go

@@ -1,9 +1,6 @@
 package provisioner
 
 import (
-	"bytes"
-	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"log"
@@ -47,7 +44,7 @@ type instanceInfo struct {
 	id        string
 }
 
-func NewWindowsASG(f docker.FactoryApi, st storage.StorageApi) *windows {
+func NewWindows(f docker.FactoryApi, st storage.StorageApi) *windows {
 	return &windows{factory: f, storage: st}
 }
 
@@ -57,7 +54,6 @@ func (d *windows) InstanceNew(session *types.Session, conf types.InstanceConfig)
 	if err != nil {
 		return nil, err
 	}
-
 	labels := map[string]string{
 		"io.tutorius.networkid":            session.Id,
 		"io.tutorius.networking.remote.ip": winfo.privateIP,
@@ -123,39 +119,6 @@ func (d *windows) InstanceDelete(session *types.Session, instance *types.Instanc
 	return d.releaseInstance(instance.WindowsId)
 }
 
-type execRes struct {
-	ExitCode int    `json:"exit_code"`
-	Error    string `json:"error"`
-	Stdout   string `json:"stdout"`
-	Stderr   string `json:"stderr"`
-}
-
-func (d *windows) InstanceExec(instance *types.Instance, cmd []string) (int, error) {
-	execBody := struct {
-		Cmd []string `json:"cmd"`
-	}{Cmd: cmd}
-
-	b, err := json.Marshal(execBody)
-	if err != nil {
-		return -1, err
-	}
-	resp, err := http.Post(fmt.Sprintf("http://%s:222/exec", instance.IP), "application/json", bytes.NewReader(b))
-	if err != nil {
-		log.Println(err)
-		return -1, err
-	}
-	if resp.StatusCode != 200 {
-		log.Printf("Error exec on instance %s. Got %d\n", instance.Name, resp.StatusCode)
-		return -1, fmt.Errorf("Error exec on instance %s. Got %d\n", instance.Name, resp.StatusCode)
-	}
-	var ex execRes
-	err = json.NewDecoder(resp.Body).Decode(&ex)
-	if err != nil {
-		return -1, err
-	}
-	return ex.ExitCode, nil
-}
-
 func (d *windows) releaseInstance(instanceId string) error {
 	return d.storage.WindowsInstanceDelete(instanceId)
 }
@@ -262,7 +225,7 @@ func (d *windows) getWindowsInstanceInfo(sessionId string) (*instanceInfo, error
 	avInstanceId := d.pickFreeInstance(sessionId, availInstances, assignedInstancesIds)
 
 	if len(avInstanceId) == 0 {
-		return nil, errors.New("No Windows instance available")
+		return nil, OutOfCapacityError
 	}
 
 	iout, err := ec2Service.DescribeInstances(&ec2.DescribeInstancesInput{