bug found related to port reservation

[cmingxu]

DEBU[2017-03-21 10:40:11] listener &{janitor map[877cd748-dec8-451a-b525-102f375552aa:{877cd748-dec8-451a-b525-102f375552aa 192.168.1.161:9998/v_beta/agent/janitor/event }] {{%!s(int32=0) %!s(uint32=0)} %!s(uint32=0) %!s(uint32=0) %!s(int32=0) %!s(int32=0)}} have no interest in &{ task_state_failed appname3-member-datamanmesos fixed %!s(types.TaskInfoEvent=&{10.10.0.98 0-appname3-member-datamanmesos appname3-member-datamanmesos 0 slot_task_failed false datamanmesos member fixed})}
DEBU[2017-03-21 10:40:11] &{HEARTBEAT type:HEARTBEAT } event=mesos
DEBU[2017-03-21 10:40:11] logger handler report got event type: mesos_heartbeat handler=logger
DEBU[2017-03-21 10:40:11] update slot 0-appname3-member-datamanmesos
DEBU[2017-03-21 10:40:11] framework_id:<value:"7eb8072d-25f4-463b-a743-84767f5fd512-0030" > type:ACKNOWLEDGE acknowledge:<agent_id:<value:"7eb8072d-25f4-463b-a743-84767f5fd512-S13" > task_id:<value:"0-appname3-member-datamanmesos-b48ec89ad953476eab8527dcf5cd2c19" > uuid:"\244\252\272\336\326vA\227\250!\225'&.\\010" > sending-call=ACKNOWLEDGE
DEBU[2017-03-21 10:40:12] &{OFFERS type:OFFERS offers:<offers:<id:<value:"d7ef5d2b-f924-42d9-a274-c020afba6bce-O5003" > framework_id:<value:"7eb8072d-25f4-463b-a743-84767f5fd512-0030" > agent_id:<value:"7eb8072d-25f4-463b-a743-84767f5fd512-S13" > hostname:"192.168.1.160" url:<scheme:"http" address:<hostname:"192.168.1.160" ip:"192.168.1.160" port:5051 > path:"/slave(1)" > resources:<name:"cpus" type:SCALAR scalar:<value:0.02 > role:"" > resources:<name:"mem" type:SCALAR scalar:<value:32 > role:"*" > attributes:<name:"vcluster" type:TEXT text:<value:"clusterautotest" > > > > } event=mesos
DEBU[2017-03-21 10:40:12] logger handler report got event type: mesos_offers handler=logger
DEBU[2017-03-21 10:40:12] OfferHandler got offerId: d7ef5d2b-f924-42d9-a274-c020afba6bce-O5003 handler=offer
INFO[2017-03-21 10:40:12] Prepared task 0-appname-member-datamanmesos for launch with offer d7ef5d2b-f924-42d9-a274-c020afba6bce-O5003
panic: runtime error: slice bounds out of range

goroutine 26489 [running]:
panic(0xcbb380, 0xc820012040)
/usr/local/go/src/runtime/panic.go:481 +0x3e6
github.com/Dataman-Cloud/swan/src/manager/framework/state.(*OfferWrapper).PortsRemain(0xc820e007e0, 0x0, 0x0, 0x0)
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/state/offer_wrapper.go:39 +0x358
github.com/Dataman-Cloud/swan/src/manager/framework/state.(*Task).PrepareTaskInfo(0xc8207fc120, 0xc820e007e0, 0xc8203fada8)
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/state/task.go:101 +0x1482
github.com/Dataman-Cloud/swan/src/manager/framework/state.(*Slot).ReserveOfferAndPrepareTaskInfo(0xc8203fad10, 0xc820e007e0, 0x0, 0x0)
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/state/slot.go:194 +0x118
github.com/Dataman-Cloud/swan/src/manager/framework/scheduler.OfferHandler(0xc820e006c0, 0xc820e006c0, 0x0, 0x0)
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/scheduler/hdl_offer.go:36 +0xb8f
github.com/Dataman-Cloud/swan/src/manager/framework/scheduler.(*Handler).Process(0xc820e006c0, 0x7ff50b24e7c8, 0xc820e006f0)
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/scheduler/handler.go:43 +0x301
created by github.com/Dataman-Cloud/swan/src/manager/framework/scheduler.(*HandlerManager).Handle
/go/src/github.com/Dataman-Cloud/swan/src/manager/framework/scheduler/handler_manager.go:58 +0x36e

[cmingxu]

The reason behind this is that mesos doesn't offer any Range resources port, but constraint match didn't notice this

	return constraintsMatch &&
		ow.CpuRemain() >= slot.Version.CPUs &&
		ow.MemRemain() >= slot.Version.Mem &&
		ow.DiskRemain() >= slot.Version.Disk

[cmingxu]

fixed