find command ambiguity

[Arbab Nazar]

Hi Everyone, I have an ambiguity in the find command. Can somebody clarify it. I have paste the tasks down(copy from some blog post on the net). I have an ambiguity in the second task where it says

reboot_hint.stdout.find("reboot") != -1

What does it mean, that run this task if you will not find the "reboot" word in the value of reboot_init variable?

OR

run this task if you will find the "reboot" word in the value of reboot_init variable?

Thanks in advance

- name: Check for reboot hint.
  shell: if [ $(readlink -f /vmlinuz) != /boot/vmlinuz-$(uname -r) ]; then echo 'reboot'; else echo 'no'; fi
  ignore_errors: true
  register: reboot_hint

- name: Rebooting ...
  command: shutdown -r now "Ansible kernel update applied"
  async: 0
  poll: 0
  ignore_errors: true
  when: kernelup|changed or reboot_hint.stdout.find("reboot") != -1
  register: rebooting

- name: Wait for thing to reboot...
  pause: seconds=45
  when: rebooting|changed

[Scott Sturdivant]

It means that the task will run if it does find the string 'reboot' in the stdout of the registered reboot_hint variable.  It's just calling this:  https://docs.python.org/2/library/string.html#string.find

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