Add tab completion, path modifications

PR URL: https://www.github.com/delphix/appliance-build/pull/746

live-build/misc/ansible-roles/appliance-build.virtualization-common/tasks/main.yml

@@ -119,3 +119,19 @@
   command: "systemctl disable {{ item }}"
   with_items:
     - docker.service
+
+- name: Add systemctl bash completion
+  copy:
+    dest: "/etc/bash_completion.d/systemctl"
+    content: |
+      if [[ -r /usr/share/bash-completion/completions/systemctl ]]; then
+        . /usr/share/bash-completion/completions/systemctl && complete -F _systemctl systemctl
+      fi
+
+- name: Source bash completion
+  blockinfile:
+    dest: "/export/home/delphix/.bashrc"
+    block: |
+      . /etc/bash_completion.d/systemctl
+      . /etc/bash_completion.d/zfs
+      PATH=$PATH:/opt/delphix/server/bin