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module BeakerHostGenerator
# Utility functions for supporting CI.next and the AlwaysBeScheduling hypervisor.
module AbsSupport
module_function
# Given an existing, fully-specified host configuration, count the number of
# hosts using each template, and return a map of template name to host count.
#
# For example, given the following config (parts omitted for brevity):
# {"HOSTS"=>
# {"centos6-64-1"=>
# {"template"=>"centos-6-x86_64", ...},
# "redhat7-64-1"=>
# {"template"=>"redhat-7-x86_64", ...},
# "centos6-64-2"=>
# {"template"=>"centos-6-x86_64", ...}},
# ...
# }}
#
# Returns the following map:
# {"centos-6-x86_64"=>2, "redhat-7-x86_64"=>1}
#
def extract_templates(config)
templates_hosts = config['HOSTS'].values.group_by { |h| h['template'] }
templates_hosts.each do |template, hosts|
templates_hosts[template] = hosts.count
end
end
end
end
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