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fix exit status handling in salt-masterless

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Convert to the new Cmd.ExitStatus() method in the salt-masterless
provisioner. Add calls to Wait and remove race conditions around setting
the status.
This commit is contained in:
James Bardin 2018-03-15 12:45:49 -04:00
parent b214834834
commit a715430d24
1 changed files with 28 additions and 21 deletions
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49
builtin/provisioners/salt-masterless/resource_provisioner.go
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@ -164,8 +164,10 @@ func applyFn(ctx context.Context) error {
if err == nil { if err == nil {
cmd.Wait() cmd.Wait()
if cmd.ExitStatus != 0 { if cmd.Err() != nil {
err = fmt.Errorf("Curl exited with non-zero exit status: %d", cmd.ExitStatus) err = cmd.Err()
} else if cmd.ExitStatus() != 0 {
err = fmt.Errorf("Curl exited with non-zero exit status: %d", cmd.ExitStatus())
} }
} }
@ -188,8 +190,10 @@ func applyFn(ctx context.Context) error {
if err == nil { if err == nil {
cmd.Wait() cmd.Wait()
if cmd.ExitStatus != 0 { if cmd.Err() != nil {
err = fmt.Errorf("install_salt.sh exited with non-zero exit status: %d", cmd.ExitStatus) err = cmd.Err()
} else if cmd.ExitStatus() != 0 {
err = fmt.Errorf("install_salt.sh exited with non-zero exit status: %d", cmd.ExitStatus())
} }
} }
// Wait for output to clean up // Wait for output to clean up
@ -277,17 +281,16 @@ func applyFn(ctx context.Context) error {
Stdout: outW, Stdout: outW,
Stderr: errW, Stderr: errW,
} }
if err = comm.Start(cmd); err != nil || cmd.ExitStatus != 0 { if err = comm.Start(cmd); err != nil {
if err == nil {
err = fmt.Errorf("Bad exit status: %d", cmd.ExitStatus)
}
err = fmt.Errorf("Error executing salt-call: %s", err) err = fmt.Errorf("Error executing salt-call: %s", err)
} }
if err == nil { if err == nil {
cmd.Wait() cmd.Wait()
if cmd.ExitStatus != 0 { if cmd.Err() != nil {
err = fmt.Errorf("Script exited with non-zero exit status: %d", cmd.ExitStatus) err = cmd.Err()
} else if cmd.ExitStatus() != 0 {
err = fmt.Errorf("Script exited with non-zero exit status: %d", cmd.ExitStatus())
} }
} }
// Wait for output to clean up // Wait for output to clean up
@ -354,14 +357,15 @@ func (p *provisioner) uploadFile(o terraform.UIOutput, comm communicator.Communi
func (p *provisioner) moveFile(o terraform.UIOutput, comm communicator.Communicator, dst, src string) error { func (p *provisioner) moveFile(o terraform.UIOutput, comm communicator.Communicator, dst, src string) error {
o.Output(fmt.Sprintf("Moving %s to %s", src, dst)) o.Output(fmt.Sprintf("Moving %s to %s", src, dst))
cmd := &remote.Cmd{Command: fmt.Sprintf(p.sudo("mv %s %s"), src, dst)} cmd := &remote.Cmd{Command: fmt.Sprintf(p.sudo("mv %s %s"), src, dst)}
if err := comm.Start(cmd); err != nil || cmd.ExitStatus != 0 { if err := comm.Start(cmd); err != nil {
if err == nil {
err = fmt.Errorf("Bad exit status: %d", cmd.ExitStatus)
}
return fmt.Errorf("Unable to move %s to %s: %s", src, dst, err) return fmt.Errorf("Unable to move %s to %s: %s", src, dst, err)
} }
return nil cmd.Wait()
if cmd.ExitStatus() != 0 {
return fmt.Errorf("Unable to move %s to %s: exit status: %d", src, dst, cmd.ExitStatus())
}
return cmd.Err()
} }
func (p *provisioner) createDir(o terraform.UIOutput, comm communicator.Communicator, dir string) error { func (p *provisioner) createDir(o terraform.UIOutput, comm communicator.Communicator, dir string) error {
@ -372,10 +376,12 @@ func (p *provisioner) createDir(o terraform.UIOutput, comm communicator.Communic
if err := comm.Start(cmd); err != nil { if err := comm.Start(cmd); err != nil {
return err return err
} }
if cmd.ExitStatus != 0 {
cmd.Wait()
if cmd.ExitStatus() != 0 {
return fmt.Errorf("Non-zero exit status.") return fmt.Errorf("Non-zero exit status.")
} }
return nil return cmd.Err()
} }
func (p *provisioner) removeDir(o terraform.UIOutput, comm communicator.Communicator, dir string) error { func (p *provisioner) removeDir(o terraform.UIOutput, comm communicator.Communicator, dir string) error {
@ -386,10 +392,11 @@ func (p *provisioner) removeDir(o terraform.UIOutput, comm communicator.Communic
if err := comm.Start(cmd); err != nil { if err := comm.Start(cmd); err != nil {
return err return err
} }
if cmd.ExitStatus != 0 { cmd.Wait()
if cmd.ExitStatus() != 0 {
return fmt.Errorf("Non-zero exit status.") return fmt.Errorf("Non-zero exit status.")
} }
return nil return cmd.Err()
} }
func (p *provisioner) uploadDir(o terraform.UIOutput, comm communicator.Communicator, dst, src string, ignore []string) error { func (p *provisioner) uploadDir(o terraform.UIOutput, comm communicator.Communicator, dst, src string, ignore []string) error {