Playbook doesn't run completely stuck after "check if reboot required"

[Work-Hard]

Playbook doesn't run completely stuck after "check if reboot required". Please assist!

Play-Book

---

- hosts: ubuntu

  become: true

  any_errors_fatal: true

  serial: 1

  max_fail_percentage: 0

  vars:

    ansible_user: ubuntu

  tasks:

    # do an "apt-get update", to ensure latest package lists

    - name: apt-get update

      apt:

        update-cache: yes

      changed_when: 0

    # get a list of packages that have updates

    - name: get list of pending upgrades

      command: apt-get --simulate dist-upgrade

      args:

        warn: false # don't warn us about apt having its own plugin

      register: apt_simulate

      changed_when: 0

    - name: Update cache

      apt:

        update-cache: yes

      changed_when: false

    - name: Fetch package list of updates

      command: apt list --upgradable

      register: aptlist

    - set_fact:

        updates: "{{ aptlist.stdout_lines | difference(['Listing...'])

| map('regex_replace', '^(.*?)/(.*)', '\\1') | list }}"

    - debug: var=updates

    # tell user about packages being updated

    - name: show pending updates

      debug:

        var: updates

      when: updates.0 is defined

    # running package ack each server update with a prompt

    - pause:

      when: updates.0 is defined

    # if a new kernel is incoming, remove old ones to avoid full /boot

    - name: apt-get autoremove

      command: apt-get -y autoremove

      args:

        warn: false

      when: '"Inst linux-image-" in apt_simulate.stdout'

      changed_when: 0

    # do the actual apt-get dist-upgrade

    - name: apt-get dist-upgrade

      apt:

        upgrade: dist # upgrade all packages to latest version

      register: upgrade_output

    # check if we need a reboot

    - name: check if reboot needed

      stat: path=/var/run/reboot-required

      register: file_reboot_required

    # "meta: end_play" aborts the rest of the tasks in the current «tasks:»

    # section, for the current desired server

    - meta: end_play

      when: not file_reboot_required.stat.exists

    # because of the above meta/when we at this point know that the current

    # host needs a reboot

    # prompt for manual input before doing the actual reboot

    - name: Confirm reboot of ubuntu

      pause:

    - name: reboot node

      shell: sleep 2 && shutdown -r now "Reboot triggered by ansible"

      async: 1

      poll: 0

      ignore_errors: true

    # poll ssh port until we get a tcp connect

    - name: wait for node to finish booting

      become: false

      local_action: wait_for host=ubuntu

          port=22

          state=started

          delay=5

          timeout=600

    # give sshd time to start fully

    - name: wait for ssh to start fully

      pause:

        seconds: 15

    # wait a few minutes between hosts, unless we're on the last

    - name: waiting between hosts

      pause:

        minutes: 10

      when: inventory_hostname != ansible_play_hosts[-1]

Output

PLAY [ubuntu] ************************************************************************************************************************************************

TASK [Gathering Facts] ***************************************************************************************************************************************

ok: [10.0.2.236]

TASK [apt-get update] ****************************************************************************************************************************************

ok: [10.0.2.236]

TASK [get list of pending upgrades] **************************************************************************************************************************

ok: [10.0.2.236]

TASK [Update cache] ******************************************************************************************************************************************

ok: [10.0.2.236]

TASK [Fetch package list of updates] *************************************************************************************************************************

changed: [10.0.2.236]

TASK [set_fact] **********************************************************************************************************************************************

ok: [10.0.2.236]

TASK [debug] *************************************************************************************************************************************************

ok: [10.0.2.236] => {

    "updates": []

}

TASK [show pending updates] **********************************************************************************************************************************

skipping: [10.0.2.236]

TASK [pause] *************************************************************************************************************************************************

skipping: [10.0.2.236]

TASK [apt-get autoremove] ************************************************************************************************************************************

skipping: [10.0.2.236]

TASK [apt-get dist-upgrade] **********************************************************************************************************************************

ok: [10.0.2.236]

TASK [check if reboot needed] ********************************************************************************************************************************

ok: [10.0.2.236]

PLAY RECAP ***************************************************************************************************************************************************

10.0.2.236                 : ok=9    changed=1    unreachable=0    failed=0    skipped=3    rescued=0    ignored=0

 

[Jean-Yves LENHOF]

Why not using the "reboot" module which is done for that instead of using shell module with some tricks ?

Regards,

JYL

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