This commit is contained in:
Philipp Heckel 2022-06-21 11:18:35 -04:00
parent 0080ea5a20
commit a160da3ad9
4 changed files with 100 additions and 83 deletions

View file

@ -47,7 +47,7 @@ var cmdPublish = &cli.Command{
Aliases: []string{"pub", "send", "trigger"},
Usage: "Send message via a ntfy server",
UsageText: `ntfy publish [OPTIONS..] TOPIC [MESSAGE...]
ntfy publish [OPTIONS..] --wait-cmd -P COMMAND...
ntfy publish [OPTIONS..] --wait-cmd COMMAND...
NTFY_TOPIC=.. ntfy publish [OPTIONS..] -P [MESSAGE...]`,
Action: execPublish,
Category: categoryClient,
@ -156,18 +156,18 @@ func execPublish(c *cli.Context) error {
options = append(options, client.WithBasicAuth(user, pass))
}
if pid > 0 {
if err := waitForProcess(pid); err != nil {
return err
}
if message == "" {
message = fmt.Sprintf("process with PID %d exited", pid)
}
} else if len(command) > 0 {
cmdResultMessage, err := runAndWaitForCommand(command)
newMessage, err := waitForProcess(pid)
if err != nil {
return err
} else if message == "" {
message = cmdResultMessage
message = newMessage
}
} else if len(command) > 0 {
newMessage, err := runAndWaitForCommand(command)
if err != nil {
return err
} else if message == "" {
message = newMessage
}
}
var body io.Reader
@ -203,11 +203,14 @@ func execPublish(c *cli.Context) error {
return nil
}
// parseTopicMessageCommand reads the topic and the remaining arguments from the context.
// There are a few cases to consider:
// ntfy publish <topic> [<message>]
// ntfy publish --wait-cmd <topic> <command>
// NTFY_TOPIC=.. ntfy publish [<message>]
// NTFY_TOPIC=.. ntfy publish --wait-cmd <command>
func parseTopicMessageCommand(c *cli.Context) (topic string, message string, command []string, err error) {
// 1. ntfy publish --wait-cmd <topic> <command>
// 2. NTFY_TOPIC=.. ntfy publish --wait-cmd <command>
// 3. ntfy publish <topic> [<message>]
// 4. NTFY_TOPIC=.. ntfy publish [<message>]
var args []string
topic, args, err = parseTopicAndArgs(c)
if err != nil {
@ -251,35 +254,39 @@ func remainingArgs(c *cli.Context, fromIndex int) []string {
return []string{}
}
func waitForProcess(pid int) error {
func waitForProcess(pid int) (message string, err error) {
if !processExists(pid) {
return fmt.Errorf("process with PID %d not running", pid)
return "", fmt.Errorf("process with PID %d not running", pid)
}
start := time.Now()
log.Debug("Waiting for process with PID %d to exit", pid)
for processExists(pid) {
time.Sleep(500 * time.Millisecond)
}
log.Debug("Process with PID %d exited", pid)
return nil
runtime := time.Since(start).Round(time.Millisecond)
log.Debug("Process with PID %d exited after %s", pid, runtime)
return fmt.Sprintf("Process with PID %d exited after %s", pid, runtime), nil
}
func runAndWaitForCommand(command []string) (message string, err error) {
prettyCmd := util.QuoteCommand(command)
log.Debug("Running command: %s", prettyCmd)
start := time.Now()
cmd := exec.Command(command[0], command[1:]...)
if log.IsTrace() {
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
}
if err := cmd.Run(); err != nil {
err = cmd.Run()
runtime := time.Since(start).Round(time.Millisecond)
if err != nil {
if exitError, ok := err.(*exec.ExitError); ok {
message = fmt.Sprintf("Command failed (exit code %d): %s", exitError.ExitCode(), prettyCmd)
} else {
message = fmt.Sprintf("Command failed: %s, error: %s", prettyCmd, err.Error())
log.Debug("Command failed after %s (exit code %d): %s", runtime, exitError.ExitCode(), prettyCmd)
return fmt.Sprintf("Command failed after %s (exit code %d): %s", runtime, exitError.ExitCode(), prettyCmd), nil
}
} else {
message = fmt.Sprintf("Command done: %s", prettyCmd)
// Hard fail when command does not exist or could not be properly launched
return "", fmt.Errorf("command failed: %s, error: %s", prettyCmd, err.Error())
}
log.Debug(message)
return message, nil
log.Debug("Command succeeded after %s: %s", runtime, prettyCmd)
return fmt.Sprintf("Command succeeded after %s: %s", runtime, prettyCmd), nil
}