Class: ConcertoConfig::WiredConnection

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

Overview

Layer 2 connection via wired media. We will look for wired interfaces that have media connected, or use an interface chosen by the user via the args. There’s nothing extra to be contributed to the interfaces file besides the name of the interface to be used.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ WiredConnection

Returns a new instance of WiredConnection.



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# File 'lib/concerto_client/netconfig.rb', line 160

def initialize(args={})
    if args['interface_name']
        @interface_name = args['interface_name']
    end
end

Instance Attribute Details

#interface_name ⇒ Object

If interface_name is something other than nil or the empty string, we will override the automatic detection and use that interface.



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# File 'lib/concerto_client/netconfig.rb', line 182

def interface_name
  @interface_name
end

Class Method Details

.description ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 215

def self.description
    "Wired connection"
end

.interfaces ⇒ Object

Try to find all wired interfaces on the system.



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# File 'lib/concerto_client/netconfig.rb', line 209

def self.interfaces
    # This is somewhat Linux specific and may miss some oddballs.
    devices = Dir.glob('/sys/class/net/eth*')
    devices.map { |d| Interface.new(File.basename(d)) }
end

Instance Method Details

#args ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 188

def args
    {
        'interface_name' => @interface_name
    }
end

#config_interface_name ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 170

def config_interface_name
    if @interface_name && @interface_name.length > 0
        # the user has specified an interface to use
        @interface_name
    else
        # scan for the first wired interface that has media
        scan_interfaces
    end
end

#interfaces_lines ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 194

def interfaces_lines
    []
end

#safe_assign ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 184

def safe_assign
    [ :interface_name ]
end

#validate ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 198

def validate
    if @interface_name != ''
        if self.class.interfaces.find { 
                |iface| iface.name == @interface_name 
        }.nil?
            fail "The interface doesn't exist on the system"
        end
    end  
end

#write_configs ⇒ Object 



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# File 'lib/concerto_client/netconfig.rb', line 166

def write_configs
    # We don't need any.
end