Couldn't evaluate conditionals

[Zaitsev Dmitriy]

I want to add a simple check on the version of nginx.

But version with conditionals won't work :(

  - name: check for install nginx

    shell: nginx -v 2>&1 | awk '{print $3}' | sed -e 's/nginx\///g'

    register: nginx

  - debug: msg="{{ nginx.stdout }}"

  - name: download nginx latest version

    shell: wget -N http://nginx.org/download/nginx-{{ nginx_version }}.tar.gz -P /usr/src

    when: "{{ nginx_version }} != {{ nginx.stdout }}"

Result:

error while evaluating conditional: 1.6.1 != 1.6.1

[Brian Coca]

you might want to look into this:
http://docs.ansible.com/playbooks_variables.html#version-comparison-filters


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Brian Coca

[Tomasz Kontusz]

You shouldn't need {{ }} in when. And you probably want to strip whitespace from the shell output.
Try:
when: nginx_version == nginx.stdout.strip()

Zaitsev Dmitriy <bhav...@gmail.com> napisał:

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