So… I'm coming across a situation where I foresee myself having a collection of
related k/v pairs in hiera. I want to create a thing… lets say a yumrepo for
example's sake, but this same idea translates to a vhost, a web app
configuration , a virtual domain, etc.
lets assume a hierarchy of:
- %{region}/%{dc}/%{env}/%{function}/%{fqdn}
- %{region}/%{dc}/%{env}/%{function}/common
- %{region}/%{dc}/%{env}/common
- %{region}/%{dc}/common
- %{region}/common
in the us-east region common yaml file, should I create the following two repos
values:
repo_descr: eastcoast-pub
repo_baseurl: http://myfoo.com/eastcoastgoodtimes
repo_gpgkey: http://myfoo.com/eastcoastgoodtimes/key
repo_gpgcheck: 1
repo_enabled: 1
repo_enablegroups: 0
repo_descr: eastcoast-internal
repo_baseurl: http://myfoo.com/eastcoast
repo_gpgkey: http://myfoo.com/eastcoast/key
repo_gpgcheck: 1
repo_enabled: 1
repo_enablegroups: 0
in the foo DC common file I have a repo for that datacenter:
repo_descr: foo
repo_baseurl: http://myfoo.com/goodtimes
repo_gpgkey: http://myfoo.com/goodtimes/key
repo_gpgcheck: 1
repo_enabled: 1
repo_enablegroups: 0
in the 'qa' env common yaml file
repo_descr: fooqarepo
repo_baseurl: http://myfoo.com/qa_crispybacon/goodtimes
repo_gpgkey: http://myfoo.com/qa_crispybacon/goodtimes/key
repo_gpgcheck: 1
repo_enabled: 1
repo_enablegroups: 0
in the webservers function common yaml file, I have another repo:
repo_descr: webservers
repo_baseurl: http://myfoo.com/bacon/goodtimes
repo_gpgkey: http://myfoo.com/bacon/goodtimes/key
repo_gpgcheck: 1
repo_enabled: 1
repo_enablegroups: 0
so I want all the qa web servers in the foo DC in the east coast to have all
five of those repo files defined.. except for web02, of course, because he's
special… looking at it this way makes my head hurt. I don't see a good way to
actualize these repos onto a node, or exclude them from a unique snowflake if
necessary, which sort-of defeats the purpose of hiera altogether.
Do I not create them as separate keys, but as a single 'repo' array, and in my
manifest use a template to iterate through the array and associate the values
contained within the array with values needed for the addition of a repo?
What have people found works "best"?
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