forked from iron-io/ironcli
/
main.go
154 lines (129 loc) · 3.17 KB
/
main.go
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// Package contains the command line interface for iron-worker.
package main
import (
"flag"
"fmt"
"os"
"runtime"
"strings"
"github.com/iron-io/ironcli/vendored/github.com/fatih/color"
)
var (
// These are located after binary on command line
// TODO(reed): kind of awkward, since there are 2 different flag sets now:
// e.g.
// ironcli -token=123456789 upload -max-concurrency=10 my_worker
versionFlag = flag.Bool("version", false, "print then version number")
helpFlag = flag.Bool("help", false, "show this")
hFlag = flag.Bool("h", false, "show this")
tokenFlag = flag.String("token", "", "provide OAuth token")
projectIDFlag = flag.String("project-id", "", "provide project ID")
envFlag = flag.String("env", "", "provide specific dev environment")
red, yellow, green func(a ...interface{}) string
// i.e. worker: { commands... }
// mq: { commands... }
commands map[string]map[string]Command
)
const (
LINES = "-----> "
BLANKS = " "
INFO = " for more info"
Version = "v0.0.15"
)
func usage() {
fmt.Fprintln(os.Stderr, "usage: ", os.Args[0], `[product] [command] [flags] [args]
where [product] is one of:
worker
run '`+os.Args[0], `[product] -help for a list of commands.
run '`+os.Args[0], `[product] [command] -help' for [command]'s flags/args.
`)
fmt.Fprintln(os.Stderr, `[flags]:`)
flag.PrintDefaults()
os.Exit(0)
}
func pusage(p string) {
// TODO list commands
switch p {
case "worker":
fmt.Fprintln(os.Stderr, p, "commands:")
for cmd := range commands["worker"] {
fmt.Fprintln(os.Stderr, "\t", cmd)
}
os.Exit(0)
case "mq":
fmt.Fprintln(os.Stderr, "not yet")
os.Exit(1)
default:
fmt.Fprintln(os.Stderr, red("invalid product ", `"`+p+`", `, "see -help"))
os.Exit(1)
}
}
func init() {
commands = map[string]map[string]Command{
"worker": map[string]Command{
"upload": new(UploadCmd),
"queue": new(QueueCmd),
"schedule": new(SchedCmd),
"status": new(StatusCmd),
"log": new(LogCmd),
},
// TODO mq
}
}
func main() {
if runtime.GOOS == "windows" {
red = fmt.Sprint
yellow = fmt.Sprint
green = fmt.Sprint
} else {
red = color.New(color.FgRed).SprintFunc()
yellow = color.New(color.FgYellow).SprintFunc()
green = color.New(color.FgGreen).SprintFunc()
}
flag.Parse()
if *helpFlag || *hFlag {
usage()
} else if *versionFlag {
fmt.Fprintln(os.Stderr, Version)
os.Exit(0)
}
if flag.NArg() < 1 {
usage()
}
product := flag.Arg(0)
cmds, ok := commands[product]
if !ok {
pusage(product)
}
if flag.NArg() < 2 {
pusage(product)
}
cmdName := flag.Arg(1)
cmd, ok := cmds[cmdName]
if !ok {
switch strings.TrimSpace(cmdName) {
case "-h", "help", "--help", "-help":
pusage(product)
default:
fmt.Fprintln(os.Stderr, red(cmdName, " not a command, see -h"))
}
os.Exit(1)
}
// each command defines its flags, err is either ErrHelp or bad flag value
if err := cmd.Flags(flag.Args()[2:]...); err != nil {
if err != flag.ErrHelp {
fmt.Println(red(err))
}
os.Exit(2)
}
if err := cmd.Args(); err != nil {
fmt.Fprintln(os.Stderr, red(err))
os.Exit(2)
}
err := cmd.Config()
if err != nil {
fmt.Println(red(err))
os.Exit(2)
}
cmd.Run()
}