func (i *cmdInvocation) Run(ctx context.Context) (output io.Reader, err error) {
// check if user wants to debug. option OR env var.
debug, _, err := i.req.Option("debug").Bool()
if err != nil {
return nil, err
}
if debug || os.Getenv("IPFS_LOGGING") == "debug" {
u.Debug = true
logging.SetDebugLogging()
}
if u.GetenvBool("DEBUG") {
u.Debug = true
}
res, err := callCommand(ctx, i.req, Root, i.cmd)
if err != nil {
return nil, err
}
if err := res.Error(); err != nil {
return nil, err
}
return res.Reader()
}
func main() {
flag.Parse()
// extract address from host flag
addr, err := ma.NewMultiaddr(*host)
if err != nil {
log.Fatal("NewMultiaddr() failed: ", err)
}
p := addr.Protocols()
if len(p) < 2 {
log.Fatal("need two protocols in host flag (/ip/tcp): ", addr)
}
_, host, err := manet.DialArgs(addr)
if err != nil {
log.Fatal("manet.DialArgs() failed: ", err)
}
if *verbose { // lower log level
logging.SetDebugLogging()
}
// construct url to dial
var u url.URL
u.Scheme = "http"
u.Host = host
u.Path = *endpoint
// show what we got
start := time.Now()
log.Debug("starting at %s, tries: %d, timeout: %s, url: %s", start, *tries, *timeout, u)
for *tries > 0 {
err := checkOK(http.Get(u.String()))
if err == nil {
log.Debugf("ok - endpoint reachable with %d tries remaining, took %s", *tries, time.Since(start))
os.Exit(0)
}
log.Debug("get failed: ", err)
time.Sleep(*timeout)
*tries--
}
log.Error("failed.")
os.Exit(1)
}