Run task only if host does not belong to a group

Question

I d like to able to run an ansible task only if the host of the current playbook does not belong to a certain group  In semi pseudo code   - name  my command   command  echo stuff   when   if    ansible hostname    not in    ansible current groups       How should I do this

User · Accepted Answer

Here s another way to do this   - name  my command   command  echo stuff   when    groupname  not in group names    group names is a magic variable as documented here  https   docs ansible com ansible latest user guide playbooks variables html accessing-information-about-other-hosts-with-magic-variables       group names is a list  array  of all the groups the current host is in

User · Answer

You can set a control variable in vars files located in group vars  or directly in hosts file like this    vagrant vars  test var true   location-1  192 168 33 10 hostname apollo   location-2  192 168 33 20 hostname zeus   vagrant children  location-1 location-2   And run tasks like this   - name   test    command   echo   test var      when  test var is defined and test var

[ansible] Run task only if host does not belong to a group

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