- hosts: localhost
become: True
gather_facts: False
vars:
disk: loop0
vg_name: vgname
lv_name: lvname
default_lv_size: 400M
tasks:
- name: Collect hardware facts
setup:
gather_subset:
- hardware
- name: Register {{ disk }} size
set_fact:
secondary_disk_size: "{{
hostvars[inventory_hostname].ansible_devices[disk].size.split(' ')[0] }}"
- name: Register {{ disk }} size
debug:
var: "{{ secondary_disk_size }}"
- name: Small secondary disk
block:
- name: Set lv size and warn message
set_fact:
lv_size: "500M"
warn_message: "The lazy fox jumped over the brown dog"
- name: Show warning message
debug:
msg: "{{ warn_message }}"
when:
- secondary_disk_size | int > 2
- name: Create {{ lv_name }} lv
lvol:
vg: "{{ vg_name }}"
lv: "{{ lv_name }}"
size: "{{ lv_size | d (default_lv_size) }}"
active: yes
force: no
state: present
El lun, 25 ene 2021 a las 17:28, ursa Brown (<[email protected]>)
escribió:
> hmmm,, where to add the message? message to needs to show up like "hosts
> has 30G only creating 20G" before creating the 20G lvm?
> Thank you
>
> On Monday, January 25, 2021 at 9:37:49 AM UTC-6 [email protected] wrote:
>
>> Something like this would do the trick:
>>
>> In this case I'm using loop0 instead of sdb.
>> If loop0 size is higher than 2 GB (assuming no conversion to MB, that
>> would be great too).
>> It will set lv_size var to 500M, and thar value will be used in lvol task
>> otherwise it will use default lv size which is 400M.
>>
>> HTH
>>
>>
>>
>> - hosts: localhost
>> become: True
>> gather_facts: False
>> vars:
>> disk: loop0
>> vg_name: vgname
>> lv_name: lvname
>> default_lv_size: 400M
>> tasks:
>> - name: Collect hardware facts
>> setup:
>> gather_subset:
>> - hardware
>>
>> - name: Register {{ disk }} size
>> set_fact:
>> secondary_disk_size: hostvars[inventory_hostname].ansible_devices['{{
>> disk }}'].size.split(' ')[0]
>>
>> - name: Set lv size
>> set_fact:
>> lv_size: "500M"
>> when:
>> - secondary_disk_size | int > 2
>>
>> - name: Create {{ lv_name }} lv
>> lvol:
>> vg: "{{ vg_name }}"
>> lv: "{{ lv_name }}"
>> size: "{{ lv_size | d (default_lv_size) }}"
>> active: yes
>> force: no
>> state: present
>>
>>
>> El lun, 25 ene 2021 a las 15:41, ursa Brown (<[email protected]>)
>> escribió:
>>
>>> Can you please show me how to do that? will this show an error? before
>>> creating the LVM?
>>>
>>> On Monday, January 25, 2021 at 8:38:24 AM UTC-6 [email protected]
>>> wrote:
>>>
>>>> You can fetch secondary disk size and set the lvm size depending on it.
>>>> This is what I would do in your case:
>>>>
>>>> - Set default lvm size to a safe value that you know all your hosts
>>>> will meet. ie : 20G
>>>> - Fetch secondary disk size. If it's 50G or higher overwrite
>>>> default lvm size to 40G
>>>>
>>>> Regards
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> El lun, 25 ene 2021 a las 15:27, ursa Brown (<[email protected]>)
>>>> escribió:
>>>>
>>>>> I have hosts that has 50G and 30G of SDB or disk2..
>>>>> My playbook only works if hosts has SDB is 50G, then it has no problem
>>>>> creating the 40G.
>>>>>
>>>>> But it throwing errros because some hosts has 30G of SDB.
>>>>>
>>>>> I want my playbook to still run, if the SB has only 30G then it will
>>>>> say, not enough disk, then will create a 20G.
>>>>> If the hosts has 50G, it will create the 40G lvm.
>>>>>
>>>>> Thank you
>>>>>
>>>>> On Monday, January 25, 2021 at 8:22:31 AM UTC-6 Antony Stone wrote:
>>>>>
>>>>>> On Monday 25 January 2021 at 15:15:56, ursa Brown wrote:
>>>>>>
>>>>>> > I got 2 hosts,
>>>>>> > one has 50G and the other one has 30G.
>>>>>> > I have no problem creating a 40G LVM on the hosts that has 50G. But
>>>>>> how can
>>>>>> > I make my ansible script if the hosts has 30G. It will say not
>>>>>> enough space
>>>>>> > then create 20G of lvm instead.
>>>>>>
>>>>>> Are you saying that you expect Ansible to create a 40Gb Logical
>>>>>> Volume on a
>>>>>> machine which has only 30Gb capacity?
>>>>>>
>>>>>> If not, please explain with a little more detail what you are trying
>>>>>> to get
>>>>>> Ansible to do.
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>>
>>>>>> Antony.
>>>>>>
>>>>>> --
>>>>>> René Descartes walks in to a bar.
>>>>>> The barman asks him "Do you want a drink?"
>>>>>> Descartes says "I think not," and disappears.
>>>>>>
>>>>>> Please reply to the list;
>>>>>> please *don't* CC me.
>>>>>>
>>>>> --
>>>>> You received this message because you are subscribed to the Google
>>>>> Groups "Ansible Project" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send
>>>>> an email to [email protected].
>>>>> To view this discussion on the web visit
>>>>> https://groups.google.com/d/msgid/ansible-project/f2252d83-0154-4413-8e04-3cec6c4c0b84n%40googlegroups.com
>>>>> <https://groups.google.com/d/msgid/ansible-project/f2252d83-0154-4413-8e04-3cec6c4c0b84n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>>>> .
>>>>>
>>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Ansible Project" group.
>>> To unsubscribe from this group and stop receiving emails from it, send
>>> an email to [email protected].
>>>
>> To view this discussion on the web visit
>>> https://groups.google.com/d/msgid/ansible-project/1f544b77-bc5a-4544-9f13-05a53fcc736fn%40googlegroups.com
>>> <https://groups.google.com/d/msgid/ansible-project/1f544b77-bc5a-4544-9f13-05a53fcc736fn%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>> --
> You received this message because you are subscribed to the Google Groups
> "Ansible Project" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/ansible-project/b240e1d9-da67-4c06-8e19-fd0da02c7da8n%40googlegroups.com
> <https://groups.google.com/d/msgid/ansible-project/b240e1d9-da67-4c06-8e19-fd0da02c7da8n%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
>
--
You received this message because you are subscribed to the Google Groups
"Ansible Project" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To view this discussion on the web visit
https://groups.google.com/d/msgid/ansible-project/CAFtje5PmYGNHXcz%3DZBsansY%2BmpnoFVsyU83dZ5wtucZEAhf_%2Bg%40mail.gmail.com.
