foreman/app/models/subnet.rb @ 4c091cd8
| 06823dc7 | Ohad Levy | require 'ipaddr'
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| 96b38b3c | Ohad Levy | class Subnet < ActiveRecord::Base
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| 9fd7478e | Paul Kelly | include Authorization
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| 06823dc7 | Ohad Levy | has_many :hosts
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# sps = Service processors / ilom boards etc
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has_many :sps, :class_name => "Host", :foreign_key => 'sp_subnet_id'
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belongs_to :dhcp, :class_name => "SmartProxy"
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belongs_to :tftp, :class_name => "SmartProxy"
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| 96b38b3c | Ohad Levy | belongs_to :domain
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| 06823dc7 | Ohad Levy | validates_presence_of :network, :mask, :domain_id, :name
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validates_uniqueness_of :network
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| ec777026 | Ohad Levy | validates_format_of :network, :with => Net::Validations::IP_REGEXP
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validates_format_of :mask, :with => Net::Validations::IP_REGEXP
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| 06823dc7 | Ohad Levy | validates_uniqueness_of :name, :scope => :domain_id
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default_scope :order => 'priority'
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| 96b38b3c | Ohad Levy | ||
| 06823dc7 | Ohad Levy | before_destroy Ensure_not_used_by.new(:hosts, :sps)
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| 96b38b3c | Ohad Levy | ||
| 8104eced | Ohad Levy | scoped_search :on => [:name, :network, :mask], :complete_value => true
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scoped_search :in => :domain, :on => :name, :rename => :domain, :complete_value => true
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| 06823dc7 | Ohad Levy | # Subnets are displayed in the form of their network network/network mask
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| 96b38b3c | Ohad Levy | def to_label
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| 06823dc7 | Ohad Levy | "#{network}/#{cidr}"
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| 96b38b3c | Ohad Levy | end
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| 06823dc7 | Ohad Levy | # Subnets are sorted on their priority value
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# [+other+] : Subnet object with which to compare ourself
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# +returns+ : Subnet object with higher precedence
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def <=> (other)
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self.priority <=> other.priority
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| 96b38b3c | Ohad Levy | end
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| 06823dc7 | Ohad Levy | ||
| 96b38b3c | Ohad Levy | # Given an IP returns the subnet that contains that IP
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# [+ip+] : "doted quad" string
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| 06823dc7 | Ohad Levy | # Returns : Subnet object or nil if not found
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def self.subnet_for(ip)
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Subnet.all.each {|s| return s if s.contains? IPAddr.new(ip)}
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| 96b38b3c | Ohad Levy | nil
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end
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| 06823dc7 | Ohad Levy | # Indicates whether the IP is within this subnet
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# [+ip+] String: Contains 4 dotted decimal values
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# Returns Boolean: True if if ip is in this subnet
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def contains? ip
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IPAddr.new("#{network}/#{mask}", Socket::AF_INET).include? IPAddr.new(ip, Socket::AF_INET)
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end
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def cidr
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IPAddr.new(mask).to_i.to_s(2).count("1")
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end
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| b1116c90 | Ohad Levy | def dhcp?
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| 6285a614 | Ohad Levy | !!(dhcp and dhcp.url and !dhcp.url.blank?)
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| b1116c90 | Ohad Levy | end
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| 6285a614 | Ohad Levy | def dhcp_proxy attrs = {}
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@dhcp_proxy ||= ProxyAPI::DHCP.new({:url => dhcp.url}.merge(attrs)) if dhcp?
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end
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def tftp?
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!!(tftp and tftp.url and !tftp.url.blank?)
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end
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def tftp_proxy attrs = {}
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@tftp_proxy ||= ProxyAPI::TFTP.new({:url => tftp.url}.merge(attrs)) if tftp?
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| 06823dc7 | Ohad Levy | end
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def unused_ip
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| b1116c90 | Ohad Levy | return unless dhcp?
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dhcp_proxy.unused_ip(network)["ip"]
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| 06823dc7 | Ohad Levy | rescue => e
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| 455f5d2b | Paul Kelly | logger.warn "Failed to fetch a free IP from our proxy: #{e}"
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| 06823dc7 | Ohad Levy | nil
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| 96b38b3c | Ohad Levy | end
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| 10139fde | José Luis Escalante | ||
| 4c091cd8 | Ohad Levy | # imports subnets from a dhcp smart proxy
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def self.import proxy
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return unless proxy.features.include?(Feature.find_by_name("DHCP"))
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ProxyAPI::DHCP.new(:url => proxy.url).subnets.map do |s|
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# do not import existing networks.
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attrs = { :network => s["network"], :mask => s["netmask"] }
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next if first(:conditions => attrs)
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new(attrs.update(:dhcp => proxy))
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end.compact
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end
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| 06823dc7 | Ohad Levy | end
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