/usr/lib/one/ruby/OpenNebula/Template.rb is in ruby-opennebula 3.2.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2002-2012, OpenNebula Project Leads (OpenNebula.org) #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
require 'OpenNebula/Pool'
module OpenNebula
class Template < PoolElement
#######################################################################
# Constants and Class Methods
#######################################################################
TEMPLATE_METHODS = {
:allocate => "template.allocate",
:instantiate => "template.instantiate",
:info => "template.info",
:update => "template.update",
:publish => "template.publish",
:delete => "template.delete",
:chown => "template.chown",
:chmod => "template.chmod"
}
# Creates a Template description with just its identifier
# this method should be used to create plain Template objects.
# +id+ the id of the user
#
# Example:
# template = Template.new(Template.build_xml(3),rpc_client)
#
def Template.build_xml(pe_id=nil)
if pe_id
obj_xml = "<VMTEMPLATE><ID>#{pe_id}</ID></VMTEMPLATE>"
else
obj_xml = "<VMTEMPLATE></VMTEMPLATE>"
end
XMLElement.build_xml(obj_xml,'VMTEMPLATE')
end
# Class constructor
def initialize(xml, client)
super(xml,client)
@client = client
end
#######################################################################
# XML-RPC Methods for the Template Object
#######################################################################
# Retrieves the information of the given Template.
def info()
super(TEMPLATE_METHODS[:info], 'VMTEMPLATE')
end
# Allocates a new Template in OpenNebula
#
# +templatename+ A string containing the name of the Template.
def allocate(templatename)
super(TEMPLATE_METHODS[:allocate], templatename)
end
# Deletes the Template
def delete()
super(TEMPLATE_METHODS[:delete])
end
# Creates a VM instance from a Template
#
# +name+ A string containing the name of the VM instance.
# [return] The new VM Instance ID, or an Error object
def instantiate(name="")
return Error.new('ID not defined') if !@pe_id
name ||= ""
rc = @client.call(TEMPLATE_METHODS[:instantiate], @pe_id, name)
return rc
end
# Replaces the template contents
#
# +new_template+ New template contents
def update(new_template)
return Error.new('ID not defined') if !@pe_id
super(TEMPLATE_METHODS[:update], new_template)
end
# Publishes the Template, to be used by other users
def publish
set_publish(true)
end
# Unplubishes the Image
def unpublish
set_publish(false)
end
# Changes the owner/group
# uid:: _Integer_ the new owner id. Set to -1 to leave the current one
# gid:: _Integer_ the new group id. Set to -1 to leave the current one
# [return] nil in case of success or an Error object
def chown(uid, gid)
super(TEMPLATE_METHODS[:chown], uid, gid)
end
# Changes the Template permissions.
#
# @param octet [String] Permissions octed , e.g. 640
# @return [nil, OpenNebula::Error] nil in case of success, Error
# otherwise
def chmod_octet(octet)
super(TEMPLATE_METHODS[:chmod], octet)
end
# Changes the Template permissions.
# Each [Integer] argument must be 1 to allow, 0 deny, -1 do not change
#
# @return [nil, OpenNebula::Error] nil in case of success, Error
# otherwise
def chmod(owner_u, owner_m, owner_a, group_u, group_m, group_a, other_u,
other_m, other_a)
super(TEMPLATE_METHODS[:chmod], owner_u, owner_m, owner_a, group_u,
group_m, group_a, other_u, other_m, other_a)
end
#######################################################################
# Helpers to get Template information
#######################################################################
# Returns the group identifier
# [return] _Integer_ the element's group ID
def gid
self['GID'].to_i
end
def owner_id
self['UID'].to_i
end
def public?
if self['PERMISSIONS/GROUP_U'] == "1" || self['PERMISSIONS/OTHER_U'] == "1"
true
else
false
end
end
private
def set_publish(published)
group_u = published ? 1 : 0
chmod(-1, -1, -1, group_u, -1, -1, -1, -1, -1)
end
end
end
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