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require 'ostruct'
module OpenShift
module Ops
class GceHelper
MYDIR = File.expand_path(File.dirname(__FILE__))
def self.get_hosts()
cmd = "#{MYDIR}/../inventory/gce/gce.py --list"
hosts = %x[#{cmd} 2>&1]
raise "Error: failed to list hosts\n#{hosts}" unless $?.exitstatus == 0
# invert the hash so that it's key is the host, and values is an array of metadata
data = {}
JSON.parse(hosts).each do |key,value|
value.each { |h| (data[h] ||= []) << key }
end
# For now, we only care about the name. In the future, we may want the other metadata included.
retval = []
data.keys.sort.each { |k| retval << OpenStruct.new({ :name => k }) }
return retval
end
def self.get_host_details(host)
cmd = "#{MYDIR}/../inventory/gce/gce.py --host #{host}"
details = %x[#{cmd} 2>&1]
raise "Error: failed to get host details\n#{details}" unless $?.exitstatus == 0
retval = JSON.parse(details)
raise "Error: host not found [#{host}]" if retval.empty?
# Convert OpenShift specific tags to entries
retval['gce_tags'].each do |tag|
if tag =~ /\Ahost-type-([\w\d-]+)\z/
retval['host-type'] = $1
end
if tag =~ /\Aenv-([\w\d]+)\z/
retval['env'] = $1
end
end
return retval
end
def self.generate_env_tag(env)
return "env-#{env}"
end
def self.generate_env_tag_name(env)
return "tag_#{generate_env_tag(env)}"
end
def self.generate_host_type_tag(host_type)
return "host-type-#{host_type}"
end
def self.generate_host_type_tag_name(host_type)
return "tag_#{generate_host_type_tag(host_type)}"
end
def self.generate_env_host_type_tag(env, host_type)
return "env-host-type-#{env}-#{host_type}"
end
def self.generate_env_host_type_tag_name(env, host_type)
return "tag_#{generate_env_host_type_tag(env, host_type)}"
end
end
end
end
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