Merge pull request #985 from rutsky/check-mode-for-shell-commands

set "check_mode: on" for read-only "shell" steps that registers result

roles/bootstrap-os/tasks/bootstrap-coreos.yml

@@ -18,6 +18,7 @@
   register: need_pip
   failed_when: false
   changed_when: false
+  check_mode: no
   when: (need_bootstrap | failed)
   tags: facts
 
@@ -45,6 +46,7 @@
 - name: Check configured hostname
   shell: hostname
   register: configured_hostname
+  check_mode: no
 
 - name: Assign inventory name to unconfigured hostnames
   shell: sh -c "echo \"{{inventory_hostname}}\" > /etc/hostname; hostname \"{{inventory_hostname}}\""