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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
}

View file

@ -5,7 +5,11 @@ import (
"github.com/stretchr/testify/require"
"heckel.io/ntfy/test"
"heckel.io/ntfy/util"
"os"
"os/exec"
"strconv"
"testing"
"time"
)
func TestCLI_Publish_Subscribe_Poll_Real_Server(t *testing.T) {
@ -70,3 +74,66 @@ func TestCLI_Publish_All_The_Things(t *testing.T) {
require.Equal(t, int64(0), m.Attachment.Expires)
require.Equal(t, "", m.Attachment.Type)
}
func TestCLI_Publish_Wait_PID_And_Cmd(t *testing.T) {
s, port := test.StartServer(t)
defer test.StopServer(t, s, port)
topic := fmt.Sprintf("http://127.0.0.1:%d/mytopic", port)
// Test: sleep 0.5
sleep := exec.Command("sleep", "0.5")
require.Nil(t, sleep.Start())
go sleep.Wait() // Must be called to release resources
start := time.Now()
app, _, stdout, _ := newTestApp()
require.Nil(t, app.Run([]string{"ntfy", "publish", "--wait-pid", strconv.Itoa(sleep.Process.Pid), topic}))
m := toMessage(t, stdout.String())
require.True(t, time.Since(start) >= 500*time.Millisecond)
require.Regexp(t, `Process with PID \d+ exited after `, m.Message)
// Test: PID does not exist
app, _, _, _ = newTestApp()
err := app.Run([]string{"ntfy", "publish", "--wait-pid", "1234567", topic})
require.Error(t, err)
require.Equal(t, "process with PID 1234567 not running", err.Error())
// Test: Successful command (exit 0)
start = time.Now()
app, _, stdout, _ = newTestApp()
require.Nil(t, app.Run([]string{"ntfy", "publish", "--wait-cmd", topic, "sleep", "0.5"}))
m = toMessage(t, stdout.String())
require.True(t, time.Since(start) >= 500*time.Millisecond)
require.Contains(t, m.Message, `Command succeeded after `)
require.Contains(t, m.Message, `: sleep 0.5`)
// Test: Failing command (exit 1)
app, _, stdout, _ = newTestApp()
require.Nil(t, app.Run([]string{"ntfy", "publish", "--wait-cmd", topic, "/bin/false", "false doesn't care about its args"}))
m = toMessage(t, stdout.String())
require.Contains(t, m.Message, `Command failed after `)
require.Contains(t, m.Message, `(exit code 1): /bin/false "false doesn't care about its args"`, m.Message)
// Test: Non-existing command (hard fail!)
app, _, _, _ = newTestApp()
err = app.Run([]string{"ntfy", "publish", "--wait-cmd", topic, "does-not-exist-no-really", "really though"})
require.Error(t, err)
require.Equal(t, `command failed: does-not-exist-no-really "really though", error: exec: "does-not-exist-no-really": executable file not found in $PATH`, err.Error())
// Tests with NTFY_TOPIC set ////
require.Nil(t, os.Setenv("NTFY_TOPIC", topic))
// Test: Successful command with NTFY_TOPIC
app, _, stdout, _ = newTestApp()
require.Nil(t, app.Run([]string{"ntfy", "publish", "--env-topic", "--cmd", "echo", "hi there"}))
m = toMessage(t, stdout.String())
require.Equal(t, "mytopic", m.Topic)
// Test: Successful --wait-pid with NTFY_TOPIC
sleep = exec.Command("sleep", "0.2")
require.Nil(t, sleep.Start())
go sleep.Wait() // Must be called to release resources
app, _, stdout, _ = newTestApp()
require.Nil(t, app.Run([]string{"ntfy", "publish", "--env-topic", "--wait-pid", strconv.Itoa(sleep.Process.Pid)}))
m = toMessage(t, stdout.String())
require.Regexp(t, `Process with PID \d+ exited after .+ms`, m.Message)
}

View file

@ -121,38 +121,6 @@ func ValidRandomString(s string, length int) bool {
return true
}
// DurationToHuman converts a duration to a human-readable format
func DurationToHuman(d time.Duration) (str string) {
if d == 0 {
return "0"
}
d = d.Round(time.Second)
days := d / time.Hour / 24
if days > 0 {
str += fmt.Sprintf("%dd", days)
}
d -= days * time.Hour * 24
hours := d / time.Hour
if hours > 0 {
str += fmt.Sprintf("%dh", hours)
}
d -= hours * time.Hour
minutes := d / time.Minute
if minutes > 0 {
str += fmt.Sprintf("%dm", minutes)
}
d -= minutes * time.Minute
seconds := d / time.Second
if seconds > 0 {
str += fmt.Sprintf("%ds", seconds)
}
return
}
// ParsePriority parses a priority string into its equivalent integer value
func ParsePriority(priority string) (int, error) {
switch strings.TrimSpace(strings.ToLower(priority)) {

View file

@ -5,33 +5,8 @@ import (
"io/ioutil"
"path/filepath"
"testing"
"time"
)
func TestDurationToHuman_SevenDays(t *testing.T) {
d := 7 * 24 * time.Hour
require.Equal(t, "7d", DurationToHuman(d))
}
func TestDurationToHuman_MoreThanOneDay(t *testing.T) {
d := 49 * time.Hour
require.Equal(t, "2d1h", DurationToHuman(d))
}
func TestDurationToHuman_LessThanOneDay(t *testing.T) {
d := 17*time.Hour + 15*time.Minute
require.Equal(t, "17h15m", DurationToHuman(d))
}
func TestDurationToHuman_TenOfThings(t *testing.T) {
d := 10*time.Hour + 10*time.Minute + 10*time.Second
require.Equal(t, "10h10m10s", DurationToHuman(d))
}
func TestDurationToHuman_Zero(t *testing.T) {
require.Equal(t, "0", DurationToHuman(0))
}
func TestRandomString(t *testing.T) {
s1 := RandomString(10)
s2 := RandomString(10)