# check if host is part of group **URL:** \ **Category:** Ansible Project\ **Created:** [November 27, 2013, 7:24pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017 "2013-11-27T19:24:51Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Khuong\_Dinh\_Pham](https://avatars.discourse-cdn.com/v4/letter/k/c6cbf5/32.png) [@Khuong\_Dinh\_Pham](https://forum.ansible.com/u/Khuong_Dinh_Pham)\ **Post date:** [November 27, 2013, 7:24pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/1 "2013-11-27T19:24:51Z")
Hi I have this setup in my hosts server1 ansible\_ssh\_host=[server1.xxx.com](http://server1.xxx.com) server2 ansible\_ssh\_host=[server2.yyy.com](http://server2.yyy.com) server3 ansible\_ssh\_host=[server3.yyy.com](http://server3.yyy.com) [frontendservers] server1 server2 server3 [frontendcluster1] server1 server2 My playbook: ---
**Author:** ![Michel\_Blanc1](https://avatars.discourse-cdn.com/v4/letter/m/fbc32d/32.png) [@Michel\_Blanc1](https://forum.ansible.com/u/Michel_Blanc1)\ **Post date:** [November 27, 2013, 7:43pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/2 "2013-11-27T19:43:49Z")
Hi Khuong, Just create a group for these hosts, and change your hosts: line in the playbook : [onlythose] server1 server2 - hosts: onlythose   tasks:     - name: testing       command: copy some file Cheers, M ---
**Author:** ![Michael\_DeHaan2](https://avatars.discourse-cdn.com/v4/letter/m/da6949/32.png) [@Michael\_DeHaan2](https://forum.ansible.com/u/Michael_DeHaan2)\ **Post date:** [November 27, 2013, 7:44pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/3 "2013-11-27T19:44:11Z")
Super easy! - hosts: frontendcluster1 tasks: … You can have multiple plays in a playbook file. For more complex things you can also say stuff like: - hosts: group1:&group2 Which means “must be in both” See [http://ansibleworks.com/docs/intro\_patterns.html](http://ansibleworks.com/docs/intro_patterns.html) ---
**Author:** ![Brian\_Coca1](https://avatars.discourse-cdn.com/v4/letter/b/278dde/32.png) [@Brian\_Coca1](https://forum.ansible.com/u/Brian_Coca1)\ **Post date:** [November 27, 2013, 7:46pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/4 "2013-11-27T19:46:31Z")
almost always better to do as mentioned above but if you REAAAAAAALLLLYYYY need it: when: inventory\_hostname in groups[‘frontendcluster1’] ---
**Author:** ![Khuong\_Dinh\_Pham](https://avatars.discourse-cdn.com/v4/letter/k/c6cbf5/32.png) [@Khuong\_Dinh\_Pham](https://forum.ansible.com/u/Khuong_Dinh_Pham)\ **Post date:** [November 27, 2013, 8:00pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/5 "2013-11-27T20:00:18Z")
Hi Thx. Just what I need. It’s because I have one playbook for my frontendservers hosts. This playbook include roles but only some of the tasks should be deploy on a subset of the frontendservers. i.e. part of frontendcluster01 group ---
**Author:** ![Michael\_DeHaan2](https://avatars.discourse-cdn.com/v4/letter/m/da6949/32.png) [@Michael\_DeHaan2](https://forum.ansible.com/u/Michael_DeHaan2)\ **Post date:** [November 27, 2013, 8:02pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/6 "2013-11-27T20:02:48Z")
when: inventory\_hostname in groups[‘frontendcluster1’] Also more easily written as: when: inventory\_hostname in groups.frontendcluster1 ---
**Author:** ![kahlil.hodgson](https://avatars.discourse-cdn.com/v4/letter/k/b9bd4f/32.png) [@kahlil.hodgson](https://forum.ansible.com/u/kahlil.hodgson)\ **Post date:** [November 27, 2013, 10:17pm UTC](https://forum.ansible.com/t/check-if-host-is-part-of-group/14017/7 "2013-11-27T22:17:53Z")
Awesome tip! Much better than the quotation hell that I've been using 🙂 when "'frontendcluster1' in group\_names" K Kahlil (Kal) Hodgson GPG: C9A02289 Head of Technology (m) +61 (0) 4 2573 0382 DealMax Pty Ltd (w) +61 (0) 3 9008 5281 Suite 1415 401 Docklands Drive Docklands VIC 3008 Australia "All parts should go together without forcing. You must remember that the parts you are reassembling were disassembled by you. Therefore, if you can't get them together again, there must be a reason. By all means, do not use a hammer." -- IBM maintenance manual, 1925