Python (and Jinja) practices short circuit evaluation. So move the "is defined" test ahead of the numeric test, and you should be ok.
On Wed, Apr 2, 2014 at 8:04 AM, Marcin Prączko <[email protected]>wrote: > Good morning. > > I am trying using local facts for tracking version of the role, and run > this role only if version increased (version kept locally within role > comparing with version from local fatcs). > > So this is how is working: > Role folder > - vars/main.yml > - tasks/main.yml > > So this is example for: vars/main.yml > --- > module: > name: "apache" > version: "1.0.4" > status: "Installed" > > And this is a task which writes this variables to local facts on remote > machine: > > - name: Write variable to json file > copy: content="{{ module }}" dest=/etc/ansible/facts.d/{{ module.name}}.fact > owner=root group=root mode=0644 > > And json is written to localfacts - which is working well. > > Now I am trying to do something like that in main playbook: > > roles: > - { role: test_roleversion, > when: "module.version > ansible_local.apache.version" } > > This is working well if local facts already exists with 'version' > variable. Hower when file is not there ansible complain about not defined > variable: > > fatal: [IP-HERE] => error while evaluating conditional: module.version > > ansible_local.apache version > > *Question:* > How to run role only if: > - module.version > ansible_local.apache.version (<- this come from local > facts), or > - ansible_local.apache.version is not defined? > > Following example does't work :( > roles: > - { role: test_roleversion, > when: "module.version > ansible_local.apache.version or > ansible_local.apache.version not defined" } > > Thanks for helping in advance. > > Best regards, > Marcin Praczko > > > -- > 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 post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ansible-project/ef032110-df93-47e6-a733-85717dc400d0%40googlegroups.com<https://groups.google.com/d/msgid/ansible-project/ef032110-df93-47e6-a733-85717dc400d0%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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 post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/CAEVJ8QMh_0zgHGNEaC8-vz%2B6Ux30SAws97DHS_uRxqtxWffMpQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
