The shell command only does the calculation once and stores the same value
in each loop iteration. I want it to run the command by using the last
calculated value, which is supposedly not happening for me. Can the jinj2
sum or replace filters be of any help ?
On Friday, August 22, 2014 4:24:21 AM UTC-7, Michael DeHaan wrote:
>
> There's a bugfix PR for that which I need to test.
>
> You can of course still do this as a shell command too, right now.
>
> What problem are you having at the shell?
>
>
> On Fri, Aug 22, 2014 at 2:19 AM, Imran Khan <khan.im...@gmail.com
> <javascript:>> wrote:
>
>> Again this will save the same value 4 times!
>>
>> - name: local action math
>> local_action: shell echo "{{ServerIPRange}}/{{epcrange}}+{{IPOctet}}"
>> | bc
>> with_sequence: start=1 end=4
>> register: result
>> - debug: var=resu
>>
>> On Thursday, August 21, 2014 10:40:56 PM UTC-7, Henry Finucane wrote:
>>
>>> As an aside, you can do math in Jinja2-
>>>
>>> - name: bashless math
>>> set_fact:
>>> IPOctet: "{{ 4*(ServerIPRange/epcrange)+IPOctet }}"
>>>
>>> will do something approaching what you want.
>>>
>>> If you want to get the actual shell-out working, something like this
>>> is going to be enlightening:
>>>
>>> - name: local action math
>>> local_action: shell echo "{{ServerIPRange}}/{{epcrange}}+{{IPOctet}}"
>>> | bc
>>> with_sequence: start=1 end=4
>>> register: result
>>> - debug: var=result
>>>
>>> "debug: var=result" will dump a pretty-printed JSON structure, so
>>> you'll know what's available, and what you can use. You should try it
>>> with & without the with_sequence.
>>>
>>>
>>>
>>> On Thu, Aug 21, 2014 at 9:47 PM, Imran Khan <khan.im...@gmail.com>
>>> wrote:
>>> > I have 3 variables named IPOctet, ServerIPRange and epcrange. If I
>>> perform
>>> > the following operation in my terminal, it works perfectly
>>> >
>>> > IPOctet=$(echo "$ServerIPRange/$epcrange+$IPOctet" | bc)
>>> >
>>> > How to I do something similar in a ansible inside a task, for e.g
>>> >
>>> > ---
>>> > - hosts: localhost
>>> > gather_facts: False
>>> >
>>> > vars_prompt:
>>> > - name: epcrange
>>> > prompt: Enter the number of EPCs that you want to configure
>>> > private: False
>>> > default: "1"
>>> > - name: serverrange
>>> > prompt: Enter the number of Cleints that you want to configure
>>> > private: False
>>> > defualt: "1"
>>> > - name: ServerIPRange
>>> > prompt: Enter the ServerIP range
>>> > private: False
>>> > default: '128'
>>> > - name: LastIPOctet
>>> > prompt: Enter The last Octet of the IP you just entered
>>> > private: False
>>> > default: '10'
>>> >
>>> > pre_tasks:
>>> >
>>> >
>>> > - name: Set some facts
>>> > set_fact:
>>> > ServerIP1: "{{ServerIP}}"
>>> > ServerIPRange1: "{{ServerIPRange}}"
>>> > IPOctet: "{{LastIPOctet}}"
>>> >
>>> > - name: local action math
>>> > local_action: shell {{IPOctet}}=$(echo
>>> > "${{ServerIPRange}}/${{epcrange}}+${{IPOctet}}" | bc) # Proper
>>> Syntax?
>>> > with_sequence: start=1 end=4
>>> > register: result
>>> > ignore_errors: yes
>>> >
>>> > What is the proper syntax for this command? Maybe using shell echo
>>> "......."
>>> > . I just need to save the contents of this command into the IPOctet
>>> variable
>>> > and IPOctet will change with each loop iteration and the results
>>> should be
>>> > stored in my result register
>>> >
>>> > P.S: how can I access the individual items in the array sepearately?
>>> >
>>> > --
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>>>
>>>
>>> --
>>> -----------------------
>>> | Henry Finucane
>>> | "I hear aphorisms are popular"
>>> -----------------------
>>>
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