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require 'ostruct'
module OpenShift
module Ops
class GceHelper
MYDIR = File.expand_path(File.dirname(__FILE__))
def self.get_list()
cmd = "#{MYDIR}/../inventory/gce/gce.py --list"
hosts = %x[#{cmd} 2>&1]
raise "Error: failed to list hosts\n#{hosts}" unless $?.exitstatus == 0
return JSON.parse(hosts)
end
def self.get_tag(tags, selector)
tags.each do |tag|
return $1 if tag =~ selector
end
return nil
end
def self.get_hosts()
hosts = get_list()
retval = []
hosts['_meta']['hostvars'].each do |host, info|
retval << OpenStruct.new({
:name => info['gce_name'],
:env => get_tag(info['gce_tags'], /^env-(\w+)$/) || 'UNSET',
:public_ip => info['gce_public_ip'],
:state => info['gce_status'],
:created_by => get_tag(info['gce_tags'], /^created-by-(\w+)$/) || 'UNSET',
})
end
retval.sort_by! { |h| [h.env, h.state, h.name] }
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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