func main() {
for Args = os.Args[1:]; Args != nil && len(Args) > 0 && Args[0][0] == '-'; Args = Args[1:] {
switch Args[0] {
case "--no-color":
color = false
slog.DisableColor()
case "--log":
tracefile, err := os.OpenFile(Args[1], os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err == nil {
slog.TraceLogger = slog.NewTraceLogger(tracefile)
Args = Args[1:]
} else {
fmt.Printf("Could not open trace file %s", Args[1])
return
}
case "--file-change-delay":
if len(Args) > 1 {
delay, err := time.ParseDuration(Args[1])
if err != nil {
execManPage("zeus")
}
Args = Args[1:]
restarter.FileChangeWindow = delay
} else {
execManPage("zeus")
}
case "--version":
printVersion()
return
}
}
if len(Args) == 0 {
execManPage("zeus")
}
if generalHelpRequested(Args) {
execManPage("zeus")
} else if Args[0] == "help" {
commandSpecificHelp(Args)
} else if Args[0] == "version" {
printVersion()
} else if Args[0] == "start" {
zeusmaster.Run()
} else if Args[0] == "init" {
zeusInit()
} else if Args[0] == "commands" {
zeusCommands()
} else {
tree := config.BuildProcessTree()
for _, name := range tree.AllCommandsAndAliases() {
if Args[0] == name {
zeusclient.Run()
return
}
}
commandNotFound(Args[0])
}
}
func main() {
if len(os.Args) == 1 {
execManPage("zeus")
}
var args []string
if os.Args[1] == "--no-color" {
color = false
slog.DisableColor()
args = os.Args[2:]
} else {
args = os.Args[1:]
}
if generalHelpRequested(args) {
execManPage("zeus")
} else if args[0] == "help" {
commandSpecificHelp(args)
} else if args[0] == "version" || args[0] == "--version" {
println("Zeus version " + zeusversion.VERSION)
} else if args[0] == "start" {
zeusmaster.Run()
} else if args[0] == "init" {
zeusInit()
} else if args[0] == "commands" {
zeusCommands()
} else {
tree := zeusmaster.BuildProcessTree()
for _, name := range tree.AllCommandsAndAliases() {
if args[0] == name {
zeusclient.Run()
return
}
}
commandNotFound(args[0])
}
}
func main() {
args := os.Args[1:]
configFile := "zeus.json"
fileChangeDelay := filemonitor.DefaultFileChangeDelay
for ; args != nil && len(args) > 0 && args[0][0] == '-'; args = args[1:] {
switch args[0] {
case "--no-color":
color = false
slog.DisableColor()
case "--log":
tracefile, err := os.OpenFile(args[1], os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err == nil {
slog.SetTraceLogger(slog.NewTraceLogger(tracefile))
args = args[1:]
} else {
fmt.Printf("Could not open trace file %s\n", args[1])
return
}
case "--file-change-delay":
if len(args) > 1 {
delay, err := time.ParseDuration(args[1])
if err != nil {
execManPage("zeus")
}
args = args[1:]
fileChangeDelay = delay
} else {
execManPage("zeus")
}
case "--config":
_, err := os.Stat(args[1])
if err != nil {
fmt.Printf("Config file doesn't exist: %s (%e)\n", args[1], err)
return
}
configFile = args[1]
args = args[1:]
case "--version":
printVersion()
return
}
}
if len(args) == 0 {
execManPage("zeus")
return
}
if generalHelpRequested(args) {
execManPage("zeus")
} else if args[0] == "help" {
commandSpecificHelp(args)
} else if args[0] == "version" {
printVersion()
} else if args[0] == "start" {
os.Exit(zeusmaster.Run(configFile, fileChangeDelay))
} else if args[0] == "init" {
zeusInit()
} else if args[0] == "commands" {
zeusCommands(configFile)
} else {
tree := config.BuildProcessTree(configFile, nil)
for _, name := range tree.AllCommandsAndAliases() {
if args[0] == name {
// Don't confuse the master by sending *full* args to
// it; just those that are not zeus-specific.
os.Exit(zeusclient.Run(args, os.Stdin, os.Stdout))
}
}
commandNotFound(args[0])
}
}
func TestZeusBoots(t *testing.T) {
if os.Getenv("ZEUS_LISTENER_BINARY") == "" {
t.Fatal("Missing ZEUS_LISTENER_BINARY env var")
}
dir, err := ioutil.TempDir("", "zeus_test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
if err := writeTestFiles(dir); err != nil {
t.Fatal(err)
}
config.ConfigFile = filepath.Join(dir, "zeus.json")
unixsocket.SetZeusSockName(filepath.Join(dir, ".zeus.sock"))
connections := map[string]*net.UnixConn{
"cmd": nil,
"data": nil,
"code": nil,
}
for name := range connections {
sockName := filepath.Join(dir, fmt.Sprintf("%s.sock", name))
c, err := net.ListenUnixgram("unixgram", &net.UnixAddr{
Name: sockName, Net: "unixgram",
})
if err != nil {
t.Fatalf("Error opening %q socket: %v", sockName, err)
}
defer c.Close()
connections[name] = c
}
me, err := os.FindProcess(os.Getpid())
if err != nil {
t.Fatal(err)
}
if err := os.Chdir(dir); err != nil {
t.Fatal(err)
}
// TODO: Find a way to redirect stdout so we can look for crashed
// processes.
enableTracing()
zexit := make(chan int)
go func() {
zexit <- zeusmaster.Run()
}()
expects := map[string]string{
// TODO: Use the zeusclient to spawn a command to test
// that path.
// "cmd": "pong",
"data": "YAML the Camel is a Mammal with Enamel",
"code": "Hello, world!",
}
for name, want := range expects {
if err := readAndCompare(connections[name], want); err != nil {
t.Fatalf("%s: %v", name, err)
}
}
// TODO: It appears the filewatcher takes some time to initialize
// so we need to wait for it to propagate before changing things.
// Even then there appears to be a bad enough race somewhere that
// we get flaky tests if we change more than one file.
time.Sleep(1 * time.Second)
for _, f := range []string{"code.rb" /*, "data.yaml"*/} {
from := filepath.Join(dir, fmt.Sprintf("other-%s", f))
to := filepath.Join(dir, f)
if err := os.Rename(from, to); err != nil {
t.Fatalf("Error renaming %s: %v", f, err)
}
}
expects = map[string]string{
// "data": "Hi",
"code": "there!",
}
for name, want := range expects {
if err := readAndCompare(connections[name], want); err != nil {
t.Fatalf("%s: %v", name, err)
}
}
// The zeusmaster catches the interrupt and exits gracefully
me.Signal(os.Interrupt)
if code := <-zexit; code != 0 {
t.Fatalf("Zeus exited with %d", code)
}
}
func main() {
for Args = os.Args[1:]; Args != nil && len(Args) > 0 && Args[0][0] == '-'; Args = Args[1:] {
switch Args[0] {
case "--no-color":
color = false
slog.DisableColor()
case "--log":
tracefile, err := os.OpenFile(Args[1], os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err == nil {
slog.SetTraceLogger(slog.NewTraceLogger(tracefile))
Args = Args[1:]
} else {
fmt.Printf("Could not open trace file %s\n", Args[1])
return
}
case "--file-change-delay":
if len(Args) > 1 {
delay, err := time.ParseDuration(Args[1])
if err != nil {
execManPage("zeus")
}
Args = Args[1:]
restarter.FileChangeWindow = delay
} else {
execManPage("zeus")
}
case "--config":
_, err := os.Stat(Args[1])
if err != nil {
fmt.Printf("Config file doesn't exist: %s (%e)\n", Args[1], err)
return
}
config.ConfigFile = Args[1]
Args = Args[1:]
case "--version":
printVersion()
return
}
}
if len(Args) == 0 {
execManPage("zeus")
}
// Don't confuse the master by sending *full* args to it; just those that are
// not zeus-specific.
config.Args = Args
if generalHelpRequested(Args) {
execManPage("zeus")
} else if Args[0] == "help" {
commandSpecificHelp(Args)
} else if Args[0] == "version" {
printVersion()
} else if Args[0] == "start" {
zeusmaster.Run()
} else if Args[0] == "init" {
zeusInit()
} else if Args[0] == "commands" {
zeusCommands()
} else {
tree := config.BuildProcessTree()
for _, name := range tree.AllCommandsAndAliases() {
if Args[0] == name {
zeusclient.Run()
return
}
}
commandNotFound(Args[0])
}
}