// Run runs the command, and returns the result as an error.
func (c *Cmd) Run() error {
if err := c.Start(); err != nil {
return err
}
err := c.Wait()
if exitError, ok := err.(*exec.ExitError); ok && exitError != nil {
status := exitError.ProcessState.Sys().(syscall.WaitStatus)
if status.Exited() {
return cmd.NewRcPassthroughError(status.ExitStatus())
}
}
return err
}
func (c *RunCommand) Run(ctx *cmd.Context) error {
var result *exec.ExecResponse
var err error
if c.noContext {
result, err = c.executeNoContext()
} else {
result, err = c.executeInUnitContext()
}
if err != nil {
return errors.Trace(err)
}
ctx.Stdout.Write(result.Stdout)
ctx.Stderr.Write(result.Stderr)
return cmd.NewRcPassthroughError(result.Code)
}
func (c *RunCommand) Run(ctx *cmd.Context) error {
client, err := getRunAPIClient(c)
if err != nil {
return err
}
defer client.Close()
var runResults []params.RunResult
if c.all {
runResults, err = client.RunOnAllMachines(c.commands, c.timeout)
} else {
params := params.RunParams{
Commands: c.commands,
Timeout: c.timeout,
Machines: c.machines,
Services: c.services,
Units: c.units,
}
runResults, err = client.Run(params)
}
if err != nil {
return block.ProcessBlockedError(err, block.BlockChange)
}
// If we are just dealing with one result, AND we are using the smart
// format, then pretend we were running it locally.
if len(runResults) == 1 && c.out.Name() == "smart" {
result := runResults[0]
ctx.Stdout.Write(result.Stdout)
ctx.Stderr.Write(result.Stderr)
if result.Error != "" {
// Convert the error string back into an error object.
return fmt.Errorf("%s", result.Error)
}
if result.Code != 0 {
return cmd.NewRcPassthroughError(result.Code)
}
return nil
}
c.out.Write(ctx, ConvertRunResults(runResults))
return nil
}
func (c *PluginCommand) Run(ctx *cmd.Context) error {
command := exec.Command(c.name, c.args...)
command.Env = append(os.Environ(), []string{
osenv.JujuModelEnvKey + "=" + c.ConnectionName()}...,
)
// Now hook up stdin, stdout, stderr
command.Stdin = ctx.Stdin
command.Stdout = ctx.Stdout
command.Stderr = ctx.Stderr
// And run it!
err := command.Run()
if exitError, ok := err.(*exec.ExitError); ok && exitError != nil {
status := exitError.ProcessState.Sys().(syscall.WaitStatus)
if status.Exited() {
return cmd.NewRcPassthroughError(status.ExitStatus())
}
}
return err
}
func (s *CmdSuite) TestIsErrSilent(c *gc.C) {
c.Assert(cmd.IsErrSilent(cmd.ErrSilent), gc.Equals, true)
c.Assert(cmd.IsErrSilent(cmd.NewRcPassthroughError(99)), gc.Equals, true)
c.Assert(cmd.IsErrSilent(fmt.Errorf("noisy")), gc.Equals, false)
}
func (c *runCommand) Run(ctx *cmd.Context) error {
client, err := getRunAPIClient(c)
if err != nil {
return err
}
defer client.Close()
var runResults []params.ActionResult
if c.all {
runResults, err = client.RunOnAllMachines(c.commands, c.timeout)
} else {
params := params.RunParams{
Commands: c.commands,
Timeout: c.timeout,
Machines: c.machines,
Services: c.services,
Units: c.units,
}
runResults, err = client.Run(params)
}
if err != nil {
return block.ProcessBlockedError(err, block.BlockChange)
}
actionsToQuery := []actionQuery{}
for _, result := range runResults {
if result.Error != nil {
fmt.Fprintf(ctx.GetStderr(), "couldn't queue one action: %v", result.Error)
continue
}
actionTag, err := names.ParseActionTag(result.Action.Tag)
if err != nil {
fmt.Fprintf(ctx.GetStderr(), "got invalid action tag %v for receiver %v", result.Action.Tag, result.Action.Receiver)
continue
}
receiverTag, err := names.ActionReceiverFromTag(result.Action.Receiver)
if err != nil {
fmt.Fprintf(ctx.GetStderr(), "got invalid action receiver tag %v for action %v", result.Action.Receiver, result.Action.Tag)
continue
}
var receiverType string
switch receiverTag.(type) {
case names.UnitTag:
receiverType = "UnitId"
case names.MachineTag:
receiverType = "MachineId"
default:
receiverType = "ReceiverId"
}
actionsToQuery = append(actionsToQuery, actionQuery{
actionTag: actionTag,
receiver: actionReceiver{
receiverType: receiverType,
tag: receiverTag,
}})
}
if len(actionsToQuery) == 0 {
return errors.New("no actions were successfully enqueued, aborting")
}
values := []interface{}{}
for len(actionsToQuery) > 0 {
actionResults, err := client.Actions(entities(actionsToQuery))
if err != nil {
return errors.Trace(err)
}
newActionsToQuery := []actionQuery{}
for i, result := range actionResults.Results {
if result.Error == nil {
switch result.Status {
case params.ActionRunning, params.ActionPending:
newActionsToQuery = append(newActionsToQuery, actionsToQuery[i])
continue
}
}
values = append(values, ConvertActionResults(result, actionsToQuery[i]))
}
actionsToQuery = newActionsToQuery
// TODO: use a watcher instead of sleeping
// this should be easier once we implement action grouping
<-afterFunc(1 * time.Second)
}
// If we are just dealing with one result, AND we are using the smart
// format, then pretend we were running it locally.
if len(values) == 1 && c.out.Name() == "smart" {
result, ok := values[0].(map[string]interface{})
if !ok {
return errors.New("couldn't read action output")
}
if res, ok := result["Error"].(string); ok {
return errors.New(res)
}
ctx.Stdout.Write(formatOutput(result, "Stdout"))
ctx.Stderr.Write(formatOutput(result, "Stderr"))
if code, ok := result["ReturnCode"].(int); ok && code != 0 {
return cmd.NewRcPassthroughError(code)
}
// Message should always contain only errors.
if res, ok := result["Message"].(string); ok && res != "" {
ctx.Stderr.Write([]byte(res))
}
return nil
}
return c.out.Write(ctx, values)
}
