Hi,
I wrote a playbook to update a group of ubuntu servers and reboot them
if required.
If I run it against one host using the -l option it works as expected,
running against the whole group (3 hosts) it gives some strange
behaviour. The "add to reboot_hosts" task is only executed (and skipped)
for the second host in the group. The host which requires a reboot is
not rebooted. I think I overlooked something.
Best Regards
Christian Rusa
The playbook looks like this:
- hosts: rusa
user: "{{ ssh_user }}"
sudo: yes
tasks:
- name: perform dist-upgrade
apt: upgrade=dist update_cache=yes
- name: check if reboot is required
command: ls /var/run/reboot-required
register: reboot_required
ignore_errors: True
- name: add to reboot_hosts
add_host: name={{ inventory_hostname }} groups=reboot_hosts
when: reboot_required|success
- hosts: reboot_hosts
user: "{{ ssh_user }}"
sudo: yes
gather_facts: no
tasks:
- name: reboot
command: reboot
The output looks like this:
ansible-playbook -v update.yml
PLAY [rusa]
*******************************************************************
GATHERING FACTS
***************************************************************
ok: [host1.example.com]
ok: [host3.example.com]
ok: [host2.example.com]
TASK: [perform dist-upgrade]
**************************************************
ok: [host3.example.com] => {"changed": false, "msg": "Reading package
lists...\nBuilding dependency tree...\nReading state information...\n0
upgraded, 0 newly installed, 0 to remove and 0 not upgraded.\n",
"stderr": "", "stdout": "Reading package lists...\nBuilding dependency
tree...\nReading state information...\n0 upgraded, 0 newly installed, 0
to remove and 0 not upgraded.\n"}
ok: [host2.example.com] => {"changed": false, "msg": "Reading package
lists...\nBuilding dependency tree...\nReading state information...\n0
upgraded, 0 newly installed, 0 to remove and 0 not upgraded.\n",
"stderr": "", "stdout": "Reading package lists...\nBuilding dependency
tree...\nReading state information...\n0 upgraded, 0 newly installed, 0
to remove and 0 not upgraded.\n"}
ok: [host1.example.com] => {"changed": false, "msg": "Reading package
lists...\nBuilding dependency tree...\nReading state information...\n0
upgraded, 0 newly installed, 0 to remove and 0 not upgraded.\n",
"stderr": "", "stdout": "Reading package lists...\nBuilding dependency
tree...\nReading state information...\n0 upgraded, 0 newly installed, 0
to remove and 0 not upgraded.\n"}
TASK: [check if reboot is required]
*******************************************
failed: [host3.example.com] => {"changed": true, "cmd": ["ls",
"/var/run/reboot-required"], "delta": "0:00:00.010204", "end":
"2014-05-19 07:36:20.335245", "rc": 2, "start": "2014-05-19
07:36:20.325041"}
stderr: ls: cannot access /var/run/reboot-required: No such file or
directory
...ignoring
failed: [host2.example.com] => {"changed": true, "cmd": ["ls",
"/var/run/reboot-required"], "delta": "0:00:00.010280", "end":
"2014-05-19 07:36:20.552200", "rc": 2, "start": "2014-05-19
07:36:20.541920"}
stderr: ls: cannot access /var/run/reboot-required: No such file or
directory
...ignoring
changed: [host1.example.com] => {"changed": true, "cmd": ["ls",
"/var/run/reboot-required"], "delta": "0:00:00.008175", "end":
"2014-05-19 07:36:20.607526", "rc": 0, "start": "2014-05-19
07:36:20.599351", "stderr": "", "stdout": "/var/run/reboot-required"}
TASK: [add to reboot_hosts]
***************************************************
skipping: [host2.example.com]
PLAY [reboot_hosts]
***********************************************************
skipping: no hosts matched
PLAY RECAP
********************************************************************
host1.example.com : ok=3 changed=1 unreachable=0
failed=0
host2.example.com : ok=3 changed=1 unreachable=0
failed=0
host3.example.com : ok=3 changed=1 unreachable=0 failed=0
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