Class: ConcertoConfig::Interface

Inherits:
Object
  • Object
show all
Defined in:
lib/concerto_client/netconfig.rb

Overview

Some useful interface operations.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Interface

Wrap an interface name (eth0, wlan0 etc) with some useful operations.



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# File 'lib/concerto_client/netconfig.rb', line 37

def initialize(name)
    @name = name
end

Instance Attribute Details

#name ⇒ Object (readonly)

Get the name of the interface as a string.



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# File 'lib/concerto_client/netconfig.rb', line 42

def name
  @name
end

Instance Method Details

#down ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 65

def down
    system("/sbin/ifconfig #{@name} down")
end

#ifdown ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 73

def ifdown
    system("/sbin/ifdown #{@name}")
end

#ifup ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 69

def ifup
    system("/sbin/ifup #{@name}")
end

#ip ⇒ Object

Get the (first) IPv4 address assigned to the interface. Return “0.0.0.0” if we don’t have any v4 addresses.



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# File 'lib/concerto_client/netconfig.rb', line 46

def ip
    if ifconfig =~ /inet addr:([0-9.]+)/
        $1
    else
        "0.0.0.0"
    end
end

#mac ⇒ Object

Get the physical (mac, ethernet) address of the interface.



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# File 'lib/concerto_client/netconfig.rb', line 55

def mac
    File.open("/sys/class/net/#{@name}/address") do |f|
        f.read.chomp
    end
end

#medium_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/concerto_client/netconfig.rb', line 85

def medium_present?
    brought_up = false
    result = false

    if not up?
        brought_up = true
        up
        sleep 10
    end

    if ifconfig =~ /RUNNING/
        result = true
    end
    
    if brought_up
        down
    end

    result
end

#up ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 61

def up
    system("/sbin/ifconfig #{@name} up")
end

#up? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/concerto_client/netconfig.rb', line 77

def up?
    if ifconfig =~ /UP/
        true
    else
        false
    end
end