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File Manager

Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/ohai-16.3.2/lib/ohai/plugins/netbsd/

Viewing File: network.rb

#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright (c) 2009 Bryan McLellan
# License:: Apache License, Version 2.0
#
# 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.
#

Ohai.plugin(:Network) do
  provides "network", "network/interfaces"
  provides "counters/network", "counters/network/interfaces"

  collect_data(:netbsd) do
    network Mash.new unless network
    network[:interfaces] ||= Mash.new
    counters Mash.new unless counters
    counters[:network] ||= Mash.new

    so = shell_out("route -n get default")
    so.stdout.lines do |line|
      if line =~ /(\w+): ([\w\.]+)/
        case $1
        when "gateway"
          network[:default_gateway] = $2
        when "interface"
          network[:default_interface] = $2
        end
      end
    end

    iface = Mash.new
    so = shell_out("#{Ohai.abs_path( "/sbin/ifconfig" )} -a")
    cint = nil
    so.stdout.lines do |line|
      if line =~ /^([0-9a-zA-Z\.]+):\s+/
        cint = $1
        iface[cint] = Mash.new
        if cint =~ /^(\w+)(\d+.*)/
          iface[cint][:type] = $1
          iface[cint][:number] = $2
        end
      end
      # call the family lladdr to match linux for consistency
      if line =~ /\s+address: (.+?)\s/
        iface[cint][:addresses] ||= Mash.new
        iface[cint][:addresses][$1] = { "family" => "lladdr" }
      end
      if line =~ /\s+inet ([\d.]+) netmask ([\da-fx]+)\s*\w*\s*([\d.]*)/
        iface[cint][:addresses] ||= Mash.new
        # convert the netmask to decimal for consistency
        netmask = "#{$2[2, 2].hex}.#{$2[4, 2].hex}.#{$2[6, 2].hex}.#{$2[8, 2].hex}"
        if $3.empty?
          iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask }
        else
          # found a broadcast address
          iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => netmask, "broadcast" => $3 }
        end
      end
      if line =~ /\s+inet6 ([a-f0-9\:]+)%?(\w*)\s+prefixlen\s+(\d+)\s*\w*\s*([\da-fx]*)/
        iface[cint][:addresses] ||= Mash.new
        if $4.empty?
          iface[cint][:addresses][$1] = { "family" => "inet6", "prefixlen" => $3 }
        else
          # found a zone_id / scope
          iface[cint][:addresses][$1] = { "family" => "inet6", "zoneid" => $2, "prefixlen" => $3, "scopeid" => $4 }
        end
      end
      if line =~ /flags=\d+<(.+)>/
        flags = $1.split(",")
        iface[cint][:flags] = flags if flags.length > 0
      end
      if line =~ /metric: (\d+) mtu: (\d+)/
        iface[cint][:metric] = $1
        iface[cint][:mtu] = $2
      end
    end

    so = shell_out("arp -an")
    so.stdout.lines do |line|
      if line =~ /\((\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\) at ([a-fA-F0-9\:]+) on ([0-9a-zA-Z\.\:\-]+)/
        next unless iface[$3] # this should never happen

        iface[$3][:arp] ||= Mash.new
        iface[$3][:arp][$1] = $2.downcase
      end
    end

    network["interfaces"] = iface

    net_counters = Mash.new
    # From netstat(1), not sure of the implications:
    # Show the state of all network interfaces or a single interface
    # which have been auto-configured (interfaces statically configured
    # into a system, but not located at boot time are not shown).
    so = shell_out("netstat -idn")
    so.stdout.lines do |line|
      # Name    Mtu Network       Address              Ipkts Ierrs    Opkts Oerrs  Coll Drop
      # em0     1500  <Link>      00:11:25:2d:90:be  3719557     0  3369969     0     0    0
      # $1                        $2                      $3    $4    $5       $6    $7   $8
      if line =~ /^([\w\.\*]+)\s+\d+\s+<Link>\s+([\w:]*)\s*(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
        net_counters[$1] ||= Mash.new
        net_counters[$1]["rx"] ||= Mash.new
        net_counters[$1]["tx"] ||= Mash.new
        net_counters[$1]["rx"]["packets"] = $3
        net_counters[$1]["rx"]["errors"] = $4
        net_counters[$1]["tx"]["packets"] = $5
        net_counters[$1]["tx"]["errors"] = $6
        net_counters[$1]["tx"]["collisions"] = $7
        net_counters[$1]["tx"]["dropped"] = $8
      end
    end

    counters[:network][:interfaces] = net_counters
  end
end