I'm really boring... I would've just had it reply "PONG" ;) On Thu, Jul 13, 2017 at 11:57 AM, John Blum <jb...@pivotal.io> wrote:
> Here you go... > > https://github.com/apache/geode/blob/rel/v1.1.1/geode- > core/src/main/java/org/apache/geode/management/internal/web/shell/ > RestHttpOperationInvoker.java#L151-L204 > > > On Thu, Jul 13, 2017 at 10:51 AM, John Blum <jb...@pivotal.io> wrote: > > > Corrections below (apologies)... > > > > On Thu, Jul 13, 2017 at 10:44 AM, John Blum <jb...@pivotal.io> wrote: > > > >> Yeah, that was my doing. :) > >> > >> I thought it would be more fun to return a special message than the > >> typical "Alive". "Mischief Managed" comes from *Harry Potter*. > >> > >> This endpoint is of course benign/idempotent and was purely meant to > test > >> the Management REST API's availability, or rather that the > Manage/Locator > >> was still "online". > >> > >> Unlike JMX RMI, HTTP is stateless. When a JMX RMI connection is made, > it > >> is persistent and constantly "connected", where as each HTTP request to > the > >> Management REST API opens and closes a connection. Therefore, you have > no > >> idea whether *Gfsh* is still connected to the Manager between requests > >> unlike the JMX RMI connection. > >> > >> So, I run a background Thread that "polls" this endpoint every 500 ms. > >> It might even test the message; I don't remember. Once the response is > >> anything other than 200 OK, then we know there is a problem and that the > >> connection was most likely terminated. > >> > >> Therefore, it keeps the behavior of the HTTP connection between *Gfsh* > >> and the Manager similar to the JMX RMI connection by returning... > >> > >> No longer connected to 10.99.199.10[1099]. > >> > >> gfsh> > >> > >> > >> On Thu, Jul 13, 2017 at 10:36 AM, Jacob Barrett <jbarr...@pivotal.io> > >> wrote: > >> > >>> For the older crowed I would have rather it replied: > >>> > >>> Ah, I see you have the machine that goes 'ping!'. > >>> > >>> Sent from my iPhone > >>> > >>> > On Jul 13, 2017, at 10:23 AM, Jared Stewart <jstew...@pivotal.io> > >>> wrote: > >>> > > >>> > I'm young enough to recognize it as a Harry Potter reference, but I > >>> have no > >>> > idea what it's doing in our product code. > >>> > > >>> > - Jared > >>> > > >>> >> On Jul 13, 2017 10:14 AM, "Kirk Lund" <kl...@apache.org> wrote: > >>> >> > >>> >> Anyone know why the response to a REST service PING returns > "Mischief > >>> >> Managed!? > >>> >> > >>> >> @RequestMapping(method = {RequestMethod.GET, RequestMethod.HEAD}, > >>> value = > >>> >> "/ping") > >>> >> public ResponseEntity<String> ping() { > >>> >> return new ResponseEntity<String>("<html><body><h1>Mischief > >>> >> Managed!</h1></body></html>", > >>> >> HttpStatus.OK); > >>> >> } > >>> >> > >>> >> <klund@Kirks-MacBook-Pro>/Users/klund/dev/geode [949]$ git grep > >>> 'Mischief > >>> >> Managed' > >>> >> geode-core/src/main/java/org/apache/geode/management/ > >>> >> internal/web/controllers/ShellCommandsController.java: > >>> >> return new ResponseEntity<String>("<html><body><h1>Mischief > >>> >> Managed!</h1></body></html>", > >>> >> > >>> > >> > >> > >> > >> -- > >> -John > >> john.blum10101 (skype) > >> > > > > > > > > -- > > -John > > john.blum10101 (skype) > > > > > > -- > -John > john.blum10101 (skype) >
