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module ComputeResourcesVmsHelper
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# little helper to help show VM properties
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def prop method, title = nil
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content_tag :tr do
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result = content_tag(:td) do
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title || method.to_s.humanize
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end
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result += content_tag(:td) do
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value = @vm.send(method) rescue nil
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case value
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when Array
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#TODO in 4.0 #try will return nil if the method doesn't exist (instead of raising NoMethodError)
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# we can drop rescues then.
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value.map{|v| (v.try(:name) rescue nil) || (v.try(:to_s) rescue nil) || v}.to_sentence
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when Fog::Time, Time
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_("%s ago") % time_ago_in_words(value)
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when nil
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_("N/A")
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else
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method == :memory ? number_to_human_size(value) : value.to_s
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end
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end
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result
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end
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end
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def supports_spice_xpi?
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user_agent = request.env['HTTP_USER_AGENT']
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user_agent =~ /linux/i && user_agent =~ /firefox/i
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end
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def spice_data_attributes(console)
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options = {
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:port => console[:proxy_port],
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:password => console[:password]
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}
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options.merge!(
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:address => console[:address],
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:secure_port => console[:secure_port],
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:subject => console[:subject],
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:title => _("%s - Press Shift-F12 to release the cursor.") % console[:name]
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) if supports_spice_xpi?
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options.merge!(
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:ca_cert => URI.escape(console[:ca_cert])
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) if console[:ca_cert].present?
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options
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end
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def libvirt_networks(compute)
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networks = compute.networks
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interfaces = compute.interfaces
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select = []
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select << [_('Physical (Bridge)'), :bridge]
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select << [_('Virtual (NAT)'), :network] if networks.any?
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select
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end
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def vsphere_datastores(compute)
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compute.datastores.map do |ds|
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[
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ds.freespace && ds.capacity ?
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"#{ds.name} (#{_('free')}: #{number_to_human_size(ds.freespace)}, #{_('prov')}: #{number_to_human_size(ds.capacity + (ds.uncommitted || 0) - ds.freespace)}, #{_('total')}: #{number_to_human_size(ds.capacity)})" :
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ds.name,
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ds.name
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]
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end
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end
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def available_actions(vm, authorizer = nil)
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case vm
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when Fog::Compute::OpenStack::Server
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openstack_available_actions(vm, authorizer)
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else
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default_available_actions(vm, authorizer)
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end
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end
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def openstack_available_actions(vm, authorizer = nil)
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actions = []
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if vm.state == 'ACTIVE'
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actions << vm_power_action(vm, authorizer)
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actions << vm_pause_action(vm, authorizer)
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elsif vm.state == 'PAUSED'
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actions << vm_pause_action(vm, authorizer)
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else
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actions << vm_power_action(vm, authorizer)
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end
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actions << display_delete_if_authorized(hash_for_compute_resource_vm_path(:compute_resource_id => @compute_resource, :id => vm.identity).merge(:auth_object => @compute_resource, :authorizer => authorizer))
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end
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def default_available_actions(vm, authorizer = nil)
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[vm_power_action(vm, authorizer),
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display_delete_if_authorized(hash_for_compute_resource_vm_path(:compute_resource_id => @compute_resource, :id => vm.identity).merge(:auth_object => @compute_resource, :authorizer => authorizer))]
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end
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def vpc_security_group_hash(security_groups)
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vpc_sg_hash = Hash.new
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security_groups.each{ |sg|
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vpc_id = sg.vpc_id || 'ec2'
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( vpc_sg_hash[vpc_id] ||= []) << {:group_name => sg.name, :group_id => sg.group_id}
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}
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vpc_sg_hash
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end
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def subnet_vpc_hash(subnets)
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subnet_vpc_hash = Hash.new
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subnets.each{ |sub| subnet_vpc_hash[sub.subnet_id] = {:vpc_id =>sub.vpc_id, :subnet_name => sub.tag_set["Name"] || sub.subnet_id} }
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subnet_vpc_hash
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end
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def compute_object_vpc_id(form)
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form.object.network_interfaces.try(:first).try(:[], "vpcId")
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end
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def security_groups_for_vpc(security_groups, vpc_id)
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security_groups.map{ |sg| [sg.name, sg.group_id] if sg.vpc_id == vpc_id}.compact
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end
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def show_vm_name?
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controller_name != 'hosts' && controller_name != 'compute_attributes'
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end
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end
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