Ansible create hostname from domain and subdomain












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I have a playbook where, depending by the case, I would need the full hostname, only the domain name or the subdomain name.



If I have two variables, subdomain and domain, I can generate the full domain inside a template like this:



{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}


Is is possible to generate the full domain in the same way inside a role, e.g. in a yaml file? I couldn't find anything similar in the docs. Now I've created a third variable _full_domain_ which is subdomain.domain, but I'd prefer to know if such a thing is possible.










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  • Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

    – Cupcake Protocol
    Nov 14 '18 at 1:07
















0















I have a playbook where, depending by the case, I would need the full hostname, only the domain name or the subdomain name.



If I have two variables, subdomain and domain, I can generate the full domain inside a template like this:



{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}


Is is possible to generate the full domain in the same way inside a role, e.g. in a yaml file? I couldn't find anything similar in the docs. Now I've created a third variable _full_domain_ which is subdomain.domain, but I'd prefer to know if such a thing is possible.










share|improve this question

























  • Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

    – Cupcake Protocol
    Nov 14 '18 at 1:07














0












0








0








I have a playbook where, depending by the case, I would need the full hostname, only the domain name or the subdomain name.



If I have two variables, subdomain and domain, I can generate the full domain inside a template like this:



{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}


Is is possible to generate the full domain in the same way inside a role, e.g. in a yaml file? I couldn't find anything similar in the docs. Now I've created a third variable _full_domain_ which is subdomain.domain, but I'd prefer to know if such a thing is possible.










share|improve this question
















I have a playbook where, depending by the case, I would need the full hostname, only the domain name or the subdomain name.



If I have two variables, subdomain and domain, I can generate the full domain inside a template like this:



{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}


Is is possible to generate the full domain in the same way inside a role, e.g. in a yaml file? I couldn't find anything similar in the docs. Now I've created a third variable _full_domain_ which is subdomain.domain, but I'd prefer to know if such a thing is possible.







string ansible conditional






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edited Nov 13 '18 at 20:13







Ion

















asked Nov 13 '18 at 19:58









IonIon

118118




118118













  • Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

    – Cupcake Protocol
    Nov 14 '18 at 1:07



















  • Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

    – Cupcake Protocol
    Nov 14 '18 at 1:07

















Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

– Cupcake Protocol
Nov 14 '18 at 1:07





Yes, that will work in the yaml, but you probably need to put it in quotes: "{% if subdomain is defined %}{{ subdomain }}.{{ domain }}{% else %}{{ domain }}{% endif %}"

– Cupcake Protocol
Nov 14 '18 at 1:07












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