func TestStart(t *testing.T) {
wrm := newMockWinRMServer(t)
defer wrm.Close()
r := &terraform.InstanceState{
Ephemeral: terraform.EphemeralState{
ConnInfo: map[string]string{
"type": "winrm",
"user": "******",
"password": "******",
"host": wrm.Host,
"port": strconv.Itoa(wrm.Port),
"timeout": "30s",
},
},
}
c, err := New(r)
if err != nil {
t.Fatalf("error creating communicator: %s", err)
}
var cmd remote.Cmd
stdout := new(bytes.Buffer)
cmd.Command = "echo foo"
cmd.Stdout = stdout
err = c.Start(&cmd)
if err != nil {
t.Fatalf("error executing remote command: %s", err)
}
cmd.Wait()
if stdout.String() != "foo" {
t.Fatalf("bad command response: expected %q, got %q", "foo", stdout.String())
}
}
// runScripts is used to copy and execute a set of scripts
func (p *ResourceProvisioner) runScripts(
o terraform.UIOutput,
comm communicator.Communicator,
scripts []io.ReadCloser) error {
// Wait and retry until we establish the connection
err := retryFunc(comm.Timeout(), func() error {
err := comm.Connect(o)
return err
})
if err != nil {
return err
}
defer comm.Disconnect()
for _, script := range scripts {
var cmd *remote.Cmd
outR, outW := io.Pipe()
errR, errW := io.Pipe()
outDoneCh := make(chan struct{})
errDoneCh := make(chan struct{})
go p.copyOutput(o, outR, outDoneCh)
go p.copyOutput(o, errR, errDoneCh)
err = retryFunc(comm.Timeout(), func() error {
remotePath := comm.ScriptPath()
if err := comm.UploadScript(remotePath, script); err != nil {
return fmt.Errorf("Failed to upload script: %v", err)
}
cmd = &remote.Cmd{
Command: remotePath,
Stdout: outW,
Stderr: errW,
}
if err := comm.Start(cmd); err != nil {
return fmt.Errorf("Error starting script: %v", err)
}
// Upload a blank follow up file in the same path to prevent residual
// script contents from remaining on remote machine
empty := bytes.NewReader([]byte(""))
if err := comm.Upload(remotePath, empty); err != nil {
return fmt.Errorf("Failed to upload empty follow up script: %v", err)
}
return nil
})
if err == nil {
cmd.Wait()
if cmd.ExitStatus != 0 {
err = fmt.Errorf("Script exited with non-zero exit status: %d", cmd.ExitStatus)
}
}
// Wait for output to clean up
outW.Close()
errW.Close()
<-outDoneCh
<-errDoneCh
// If we have an error, return it out now that we've cleaned up
if err != nil {
return err
}
}
return nil
}