Multiply with floating numbers

[Dewangga Bachrul Alam]

I've search some reference but still got no luck about divide operations in ansible.

# default/main.yml
mariadb_setmem: "{{ ansible_memtotal_mb *1024*1024 }}"
mariadb_misc_query_prealloc_size: "{{ mariadb_setmem *0.01 }}"

# task/main.yml
- name: Debugging Value
  debug:
    msg: "{{ mariadb_misc_query_prealloc_size }}"

And got error.
fatal: [vagrant01] => Failed to template {{ mariadb_misc_query_prealloc_size }}: Failed to template {{ mariadb_setmem *0.01 }}: an unexpected type error occurred. Error was can't multiply sequence by non-int of type 'float'

Is there any hints to got the results of the math operations and round it?
Any helps are appreciated.

[Matt Martz]

That error indicates that you are trying to multiply a sequence, in this case I am assuming a string and a float.

mariadb_setmem is cast to a string.  You might try:

{{ mariadb_setmem|float * 0.01 }}

Also that functionality is provided by jinja2.  Math operations are described at http://jinja.pocoo.org/docs/dev/templates/#math

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Matt Martz
@sivel
sivel.net

[Dewangga Bachrul Alam]

Hello Matt,

Thank you, it's working :)

Pada Minggu, 17 Januari 2016 06.12.04 UTC+7, Matt Martz menulis:

That error indicates that you are trying to multiply a sequence, in this case I am assuming a string and a float.

mariadb_setmem is cast to a string.  You might try:

{{ mariadb_setmem|float * 0.01 }}

Also that functionality is provided by jinja2.  Math operations are described at http://jinja.pocoo.org/docs/dev/templates/#math

On Saturday, January 16, 2016, Dewangga Bachrul Alam <dewan...@xtremenitro.org> wrote:

I've search some reference but still got no luck about divide operations in ansible.

# default/main.yml
mariadb_setmem: "{{ ansible_memtotal_mb *1024*1024 }}"
mariadb_misc_query_prealloc_size: "{{ mariadb_setmem *0.01 }}"

# task/main.yml
- name: Debugging Value
  debug:
    msg: "{{ mariadb_misc_query_prealloc_size }}"

And got error.
fatal: [vagrant01] => Failed to template {{ mariadb_misc_query_prealloc_size }}: Failed to template {{ mariadb_setmem *0.01 }}: an unexpected type error occurred. Error was can't multiply sequence by non-int of type 'float'

Is there any hints to got the results of the math operations and round it?
Any helps are appreciated.

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For more options, visit https://groups.google.com/d/optout.