class Chef::Provider::Ifconfig
use the ifconfig resource to manage interfaces on *nix systems
@example set a static ip on eth1
ifconfig '33.33.33.80' do device 'eth1' end
Attributes
@api private @return [String] the major.minor of the net-tools version as a string
Public Class Methods
Source
# File lib/chef/provider/ifconfig.rb, line 43 def initialize(new_resource, run_context) super(new_resource, run_context) @config_template = nil @config_path = nil end
Calls superclass method
Chef::Provider::new
Public Instance Methods
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# File lib/chef/provider/ifconfig.rb, line 227 def can_generate_config? !@config_template.nil? && !@config_path.nil? end
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# File lib/chef/provider/ifconfig.rb, line 161 def define_resource_requirements requirements.assert(:all_actions) do |a| a.assertion { @status.exitstatus == 0 } a.failure_message Chef::Exceptions::Ifconfig, "ifconfig failed - #{@status.inspect}!" # no whyrun - if the base ifconfig used in load_current_resource fails # there's no reasonable action that could have been taken in the course of # a chef run to fix it. end end
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# File lib/chef/provider/ifconfig.rb, line 246 def delete_config return unless can_generate_config? config = resource_for_config(@config_path) config.run_action(:delete) new_resource.updated_by_last_action(true) if config.updated? end
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# File lib/chef/provider/ifconfig.rb, line 235 def generate_config return unless can_generate_config? b = binding template = ::ERB.new(@config_template, nil, "-") config = resource_for_config(@config_path) config.content(template.result(b)) config.run_action(:create) new_resource.updated_by_last_action(true) if config.updated? end
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# File lib/chef/provider/ifconfig.rb, line 49 def load_current_resource @current_resource = Chef::Resource::Ifconfig.new(new_resource.name) @ifconfig_success = true @interfaces = {} @ifconfig_version = nil @net_tools_version = shell_out("ifconfig", "--version") @net_tools_version.stdout.each_line do |line| if /^net-tools (\d+\.\d+)/.match?(line) @ifconfig_version = line.match(/^net-tools (\d+\.\d+)/)[1] end end @net_tools_version.stderr.each_line do |line| if /^net-tools (\d+\.\d+)/.match?(line) @ifconfig_version = line.match(/^net-tools (\d+\.\d+)/)[1] end end if @ifconfig_version.nil? raise "net-tools not found - this is required for ifconfig" elsif @ifconfig_version.to_i < 2 # Example output for 1.60 is as follows: (sanitized but format intact) # eth0 Link encap:Ethernet HWaddr 00:00:00:00:00:00 # inet addr:192.168.1.1 Bcast:192.168.0.1 Mask:255.255.248.0 # inet6 addr: 0000::00:0000:0000:0000/64 Scope:Link # UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 # RX packets:65158911 errors:0 dropped:0 overruns:0 frame:0 # TX packets:41723949 errors:0 dropped:0 overruns:0 carrier:0 # collisions:0 txqueuelen:1000 # RX bytes:42664658792 (39.7 GiB) TX bytes:52722603938 (49.1 GiB) # Interrupt:30 @status = shell_out("ifconfig") @status.stdout.each_line do |line| if !line[0..9].strip.empty? @int_name = line[0..9].strip @interfaces[@int_name] = { "hwaddr" => (line =~ /(HWaddr)/ ? ($') : "nil").strip.chomp } else @interfaces[@int_name]["inet_addr"] = (line =~ /inet addr:(\S+)/ ? Regexp.last_match(1) : "nil") if /inet addr:/.match?(line) @interfaces[@int_name]["bcast"] = (line =~ /Bcast:(\S+)/ ? Regexp.last_match(1) : "nil") if /Bcast:/.match?(line) @interfaces[@int_name]["mask"] = (line =~ /Mask:(\S+)/ ? Regexp.last_match(1) : "nil") if /Mask:/.match?(line) @interfaces[@int_name]["mtu"] = (line =~ /MTU:(\S+)/ ? Regexp.last_match(1) : "nil") if /MTU:/.match?(line) @interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? Regexp.last_match(1) : "nil") if /Metric:/.match?(line) end next unless @interfaces.key?(new_resource.device) @interface = @interfaces.fetch(new_resource.device) current_resource.target(new_resource.target) current_resource.device(new_resource.device) current_resource.inet_addr(@interface["inet_addr"]) current_resource.hwaddr(@interface["hwaddr"]) current_resource.bcast(@interface["bcast"]) current_resource.mask(@interface["mask"]) current_resource.mtu(@interface["mtu"]) current_resource.metric(@interface["metric"]) end elsif @ifconfig_version.to_i >= 2 # Example output for 2.10-alpha is as follows: (sanitized but format intact) # eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 # inet 192.168.1.1 netmask 255.255.240.0 broadcast 192.168.0.1 # inet6 0000::0000:000:0000:0000 prefixlen 64 scopeid 0x20<link> # ether 00:00:00:00:00:00 txqueuelen 1000 (Ethernet) # RX packets 2383836 bytes 1642630840 (1.5 GiB) # RX errors 0 dropped 0 overruns 0 frame 0 # TX packets 1244218 bytes 977339327 (932.0 MiB) # TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 # # Permalink for addr_regex : https://rubular.com/r/JrykUpfjRnYeQD @status = shell_out("ifconfig") @status.stdout.each_line do |line| addr_regex = /^((\w|-)+):?(\d*):?\ .+$/ if line&.match?(addr_regex) if line.match(addr_regex).nil? @int_name = "nil" elsif line.match(addr_regex)[3] == "" @int_name = line.match(addr_regex)[1] @interfaces[@int_name] = {} @interfaces[@int_name]["mtu"] = (line =~ /mtu (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("mtu") && @interfaces[@int_name]["mtu"].nil? else @int_name = "#{line.match(addr_regex)[1]}:#{line.match(addr_regex)[3]}" @interfaces[@int_name] = {} @interfaces[@int_name]["mtu"] = (line =~ /mtu (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("mtu") && @interfaces[@int_name]["mtu"].nil? end else @interfaces[@int_name]["inet_addr"] = (line =~ /inet (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("inet") && @interfaces[@int_name]["inet_addr"].nil? @interfaces[@int_name]["bcast"] = (line =~ /broadcast (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("broadcast") && @interfaces[@int_name]["bcast"].nil? @interfaces[@int_name]["mask"] = (line =~ /netmask (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("netmask") && @interfaces[@int_name]["mask"].nil? @interfaces[@int_name]["hwaddr"] = (line =~ /ether (\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("ether") && @interfaces[@int_name]["hwaddr"].nil? @interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? Regexp.last_match(1) : "nil") if line.include?("Metric:") && @interfaces[@int_name]["metric"].nil? end next unless @interfaces.key?(new_resource.device) @interface = @interfaces.fetch(new_resource.device) current_resource.target(new_resource.target) current_resource.device(new_resource.device) current_resource.inet_addr(@interface["inet_addr"]) current_resource.hwaddr(@interface["hwaddr"]) current_resource.bcast(@interface["bcast"]) current_resource.mask(@interface["mask"]) current_resource.mtu(@interface["mtu"]) current_resource.metric(@interface["metric"]) end end current_resource end
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# File lib/chef/provider/ifconfig.rb, line 231 def resource_for_config(path) Chef::Resource::File.new(path, run_context) end
Private Instance Methods
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# File lib/chef/provider/ifconfig.rb, line 256 def add_command command = [ "ifconfig", new_resource.device, new_resource.target ] command += [ "netmask", new_resource.mask ] if new_resource.mask command += [ "metric", new_resource.metric ] if new_resource.metric command += [ "mtu", new_resource.mtu ] if new_resource.mtu command end
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# File lib/chef/provider/ifconfig.rb, line 276 def delete_command [ "ifconfig", new_resource.device, "down" ] end
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# File lib/chef/provider/ifconfig.rb, line 272 def disable_command [ "ifconfig", new_resource.device, "down" ] end
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# File lib/chef/provider/ifconfig.rb, line 264 def enable_command command = [ "ifconfig", new_resource.device, new_resource.target ] command += [ "netmask", new_resource.mask ] if new_resource.mask command += [ "metric", new_resource.metric ] if new_resource.metric command += [ "mtu", new_resource.mtu ] if new_resource.mtu command end
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# File lib/chef/provider/ifconfig.rb, line 280 def loopback_device "lo" end