foreman/app/models/subnet.rb @ acfbc458
| 06823dc7 | Ohad Levy | require 'ipaddr'
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| 96b38b3c | Ohad Levy | class Subnet < ActiveRecord::Base
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| acfbc458 | Marek Hulan | include Authorizable
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| 611f5bff | Amos Benari | include Taxonomix
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| 229d7436 | Joseph Magen | audited :allow_mass_assignment => true
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| d7611b24 | Greg Sutcliffe | ||
| ff8cc704 | Joseph Mitchell Magen | before_destroy EnsureNotUsedBy.new(:hosts, :interfaces )
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| d7611b24 | Greg Sutcliffe | has_many_hosts
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| 7d993b41 | Joseph Mitchell Magen | has_many :hostgroups
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| 06823dc7 | Ohad Levy | belongs_to :dhcp, :class_name => "SmartProxy"
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belongs_to :tftp, :class_name => "SmartProxy"
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| dd42df0a | Ohad Levy | belongs_to :dns, :class_name => "SmartProxy"
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| fa62ea80 | Ohad Levy | has_many :subnet_domains, :dependent => :destroy
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has_many :domains, :through => :subnet_domains
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| 8838eb42 | Ohad Levy | has_many :interfaces, :class_name => 'Nic::Base'
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| f2c78d4a | Joseph Magen | validates :network, :mask, :name, :presence => true
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| fa62ea80 | Ohad Levy | validates_associated :subnet_domains
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| f2c78d4a | Joseph Magen | validates :network, :uniqueness => true,
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:format => {:with => Net::Validations::IP_REGEXP},
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| cba97ace | Joseph Magen | :length => {:maximum => 15, :message => N_("must be at most 15 characters")}
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| f2c78d4a | Joseph Magen | validates :gateway, :dns_primary, :dns_secondary,
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:allow_blank => true,
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:allow_nil => true,
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:format => {:with => Net::Validations::IP_REGEXP},
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| cba97ace | Joseph Magen | :length => { :maximum => 15, :message => N_("must be at most 15 characters") }
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| f2c78d4a | Joseph Magen | validates :mask, :format => {:with => Net::Validations::IP_REGEXP},
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| cba97ace | Joseph Magen | :length => {:maximum => 15, :message => N_("must be at most 15 characters")}
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| f2c78d4a | Joseph Magen | ||
| 31aa5db5 | Joseph Mitchell Magen | validate :ensure_ip_addr_new
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before_validation :cleanup_addresses
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| fa62ea80 | Ohad Levy | validate :name_should_be_uniq_across_domains
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| 611f5bff | Amos Benari | ||
| 7a900b06 | Ohad Levy | validate :validate_ranges
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| 96b38b3c | Ohad Levy | ||
| 611f5bff | Amos Benari | default_scope lambda {
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with_taxonomy_scope do
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order('vlanid')
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end
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}
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| fe3d8f82 | Ohad Levy | scoped_search :on => [:name, :network, :mask, :gateway, :dns_primary, :dns_secondary, :vlanid], :complete_value => true
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| fa62ea80 | Ohad Levy | scoped_search :in => :domains, :on => :name, :rename => :domain, :complete_value => true
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| 8104eced | Ohad Levy | ||
| 8bd4e480 | Ohad Levy | class Jail < ::Safemode::Jail
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allow :name, :network, :mask, :cidr, :title, :to_label, :gateway, :dns_primary, :dns_secondary, :vlanid
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end
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| 06823dc7 | Ohad Levy | # Subnets are displayed in the form of their network network/network mask
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| 1fa008a4 | Joseph Magen | def network_address
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| 06823dc7 | Ohad Levy | "#{network}/#{cidr}"
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| 96b38b3c | Ohad Levy | end
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| 1fa008a4 | Joseph Magen | def to_label
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"#{name} (#{network_address})"
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| be770e85 | 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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| 9f9effa8 | Joseph Mitchell Magen | if self.vlanid.present? && other.vlanid.present?
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self.vlanid <=> other.vlanid
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else
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return -1
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end
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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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| dd42df0a | Ohad Levy | # do we support DNS PTR records for this subnet
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def dns?
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!!(dns and dns.url and !dns.url.blank?)
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end
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def dns_proxy attrs = {}
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@dns_proxy ||= ProxyAPI::DNS.new({:url => dns.url}.merge(attrs)) if dns?
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end
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| e89efb28 | Ohad Levy | def unused_ip mac = nil
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| b1116c90 | Ohad Levy | return unless dhcp?
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| e89efb28 | Ohad Levy | dhcp_proxy.unused_ip(self, mac)["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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| 7a900b06 | Ohad Levy | private
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def validate_ranges
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| bfbf7ed8 | Lukas Zapletal | errors.add(:from, _("invalid IP address")) if from.present? and !from =~ Net::Validations::IP_REGEXP
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errors.add(:to, _("invalid IP address")) if to.present? and !to =~ Net::Validations::IP_REGEXP
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errors.add(:from, _("does not belong to subnet")) if from.present? and not self.contains?(f=IPAddr.new(from))
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errors.add(:to, _("does not belong to subnet")) if to.present? and not self.contains?(t=IPAddr.new(to))
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errors.add(:from, _("can't be bigger than to range")) if from.present? and t.present? and f > t
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| 67799065 | Ohad Levy | if from.present? or to.present?
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| bfbf7ed8 | Lukas Zapletal | errors.add(:from, _("must be specified if to is defined")) if from.blank?
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errors.add(:to, _("must be specified if from is defined")) if to.blank?
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| 7a900b06 | Ohad Levy | end
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end
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| fa62ea80 | Ohad Levy | ||
def name_should_be_uniq_across_domains
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return if domains.empty?
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domains.each do |d|
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conds = new_record? ? ['name = ?', name] : ['subnets.name = ? AND subnets.id != ?', name, id]
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| bfbf7ed8 | Lukas Zapletal | errors.add(:name, _("domain %s already has a subnet with this name") % d) if d.subnets.where(conds).first
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| fa62ea80 | Ohad Levy | end
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end
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| 31aa5db5 | Joseph Mitchell Magen | ||
def cleanup_addresses
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self.network = cleanup_ip(network) if network.present?
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self.mask = cleanup_ip(mask) if mask.present?
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self.gateway = cleanup_ip(gateway) if gateway.present?
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self.dns_primary = cleanup_ip(dns_primary) if dns_primary.present?
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self.dns_secondary = cleanup_ip(dns_secondary) if dns_secondary.present?
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self
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end
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def cleanup_ip(address)
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address.gsub!(/\.\.+/, ".")
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address.gsub!(/2555+/, "255")
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address
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end
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def ensure_ip_addr_new
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| 16874851 | Joseph Mitchell Magen | errors.add(:network, _("is invalid")) if network.present? && (IPAddr.new(network) rescue nil).nil? && !errors.keys.include?(:network)
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errors.add(:mask, _("is invalid")) if mask.present? && (IPAddr.new(mask) rescue nil).nil? && !errors.keys.include?(:mask)
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errors.add(:gateway, _("is invalid")) if gateway.present? && (IPAddr.new(gateway) rescue nil).nil? && !errors.keys.include?(:gateway)
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errors.add(:dns_primary, _("is invalid")) if dns_primary.present? && (IPAddr.new(dns_primary) rescue nil).nil? && !errors.keys.include?(:dns_primary)
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errors.add(:dns_secondary, _("is invalid")) if dns_secondary.present? && (IPAddr.new(dns_secondary) rescue nil).nil? && !errors.keys.include?(:dns_secondary)
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| 31aa5db5 | Joseph Mitchell Magen | end
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| 06823dc7 | Ohad Levy | end
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