-
-
Notifications
You must be signed in to change notification settings - Fork 3k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #851 from jbenet/test/pollDaemon
Test/poll daemon
- Loading branch information
Showing
5 changed files
with
104 additions
and
7 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| // pollEndpoint is a helper utility that waits for a http endpoint to be reachable and return with http.StatusOK | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "net/http" | ||
| "net/url" | ||
| "os" | ||
| "time" | ||
|
|
||
| log "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/Sirupsen/logrus" | ||
| ma "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr" | ||
| manet "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multiaddr-net" | ||
| ) | ||
|
|
||
| var ( | ||
| host = flag.String("host", "/ip4/127.0.0.1/tcp/5001", "the multiaddr host to dial on") | ||
| endpoint = flag.String("ep", "/version", "which http endpoint path to hit") | ||
| tries = flag.Int("tries", 10, "how many tries to make before failing") | ||
| timeout = flag.Duration("tout", time.Second, "how long to wait between attempts") | ||
| verbose = flag.Bool("v", false, "verbose logging") | ||
| ) | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
|
|
||
| // extract address from host flag | ||
| addr, err := ma.NewMultiaddr(*host) | ||
| if err != nil { | ||
| log.WithField("err", err).Fatal("NewMultiaddr() failed") | ||
| } | ||
| p := addr.Protocols() | ||
| if len(p) < 2 { | ||
| log.WithField("addr", addr).Fatal("need two protocols in host flag (/ip/tcp)") | ||
| } | ||
| _, host, err := manet.DialArgs(addr) | ||
| if err != nil { | ||
| log.WithField("err", err).Fatal("manet.DialArgs() failed") | ||
| } | ||
|
|
||
| if *verbose { // lower log level | ||
| log.SetLevel(log.DebugLevel) | ||
| } | ||
|
|
||
| // 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.WithFields(log.Fields{ | ||
| "when": start, | ||
| "tries": *tries, | ||
| "timeout": *timeout, | ||
| "url": u.String(), | ||
| }).Debug("starting") | ||
|
|
||
| for *tries > 0 { | ||
| f := log.Fields{"tries": *tries} | ||
|
|
||
| err := checkOK(http.Get(u.String())) | ||
| if err == nil { | ||
| f["took"] = time.Since(start) | ||
| log.WithFields(f).Println("status ok - endpoint reachable") | ||
| os.Exit(0) | ||
| } | ||
| f["error"] = err | ||
| log.WithFields(f).Debug("get failed") | ||
| time.Sleep(*timeout) | ||
| *tries-- | ||
| } | ||
|
|
||
| log.Println("failed.") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| func checkOK(resp *http.Response, err error) error { | ||
| if err == nil { // request worked | ||
| resp.Body.Close() | ||
| if resp.StatusCode == http.StatusOK { | ||
| return nil | ||
| } | ||
| return fmt.Errorf("Response not OK. %d %s", resp.StatusCode, resp.Status) | ||
| } else if urlErr, ok := err.(*url.Error); ok { // expected error from http.Get() | ||
| if urlErr.Op != "Get" || urlErr.URL != *endpoint { | ||
| return fmt.Errorf("wrong url or endpoint error from http.Get() %#v", urlErr) | ||
| } | ||
| } | ||
| return err | ||
| } |