etcd 3.0.17 image should use symlinks or bash script

[justinsb]

/usr/local/bin # ls -l
total 163916
-rwxr-xr-x    1 root     root      12476429 Feb 23 21:56 attachlease
-rwxr-x---    1 root     root      20186048 Mar 23 23:51 etcd
-rwxr-x---    2 root     root      14359232 Feb 23 21:56 etcd-2.2.1
-rwxr-x---    2 root     root      17408032 Feb 23 21:56 etcd-2.3.7
-rwxr-x---    2 root     root      20186048 Feb 23 21:56 etcd-3.0.17
-rwxr-x---    1 root     root      18468640 Mar 23 23:51 etcdctl
-rwxr-x---    2 root     root      12719808 Feb 23 21:56 etcdctl-2.2.1
-rwxr-x---    2 root     root      14878944 Feb 23 21:56 etcdctl-2.3.7
-rwxr-x---    2 root     root      18468640 Feb 23 21:56 etcdctl-3.0.17
-rwxr-x---    1 root     root          9396 Feb 23 21:55 migrate-if-needed.sh
-rwxr-xr-x    1 root     root      18664303 Feb 23 21:56 rollback

For the sake of the image size, etcd should be a symlink to etcd-3.0.17. Or - even better - etcd should be a script that launches TARGET_VERSION, which would both be smaller and much easier to launch.

[justinsb]

Scratch that - my mistake - the script copies it.