[1.12.2] Service create with two ports published fails #27469
Description
When creating a service that publishes two ports, but doesn't specify the host-port, service create fails;
$ docker service create --publish 80 --publish 443 --name web nginx:alpine
Error response from daemon: rpc error: code = 3 desc = EndpointSpec: duplicate published ports providedNote that this works;
docker service create --publish 80:80 --publish 443:443 --name web nginx:alpineAnd so does;
docker service create --publish 80 --name web nginx:alpineor
docker service create --publish 80 --name web nginx:alpineor
docker service create --publish 80:80 --publish 443 --name web nginx:alpineBased on the above (especially the last one), it looks like published multiple ports tries to assign the same "random" port multiple times.
Tested on;
Client:
Version: 1.12.2
API version: 1.24
Go version: go1.6.3
Git commit: bb80604
Built: Tue Oct 11 05:27:08 2016
OS/Arch: darwin/amd64
Experimental: true
Server:
Version: 1.12.2
API version: 1.24
Go version: go1.6.3
Git commit: bb80604
Built: Tue Oct 11 05:27:08 2016
OS/Arch: linux/amd64
Experimental: true
and on Linux (to exclude it being a Docker for Mac issue)
Client:
Version: 1.12.2
API version: 1.24
Go version: go1.6.3
Git commit: bb80604
Built: Tue Oct 11 17:39:06 2016
OS/Arch: linux/amd64
Experimental: true
Server:
Version: 1.12.2
API version: 1.24
Go version: go1.6.3
Git commit: bb80604
Built: Tue Oct 11 17:39:06 2016
OS/Arch: linux/amd64
Experimental: true
This looks to be a regression in 1.12.2.