Limit Groovy scripts to run on master

The build controller scripts are designed to run
on Gerrit master because they control the remote builds
that run on remote slaves.

Master is the node with direct connectivity to
Docker host via socket and assures maximum stability.

Change-Id: I8b1067ce763237985fcc7e9edeb88286a804194b
2 files changed
tree: d842ea2c262775f6eba828a31dd362f3da73862b
  1. jenkins/
  2. jenkins-docker/
  3. worker/
  4. .gitignore