Class: OsCtld::Commands::NetInterface::Set

Inherits:
Logged
  • Object
show all
Defined in:
lib/osctld/commands/net_interface/set.rb

Constant Summary collapse

UNCHANGEABLE_AT_RUNTIME = 
%i[hwaddr link dhcp gateways].freeze

Instance Attribute Summary

Attributes inherited from Base

#client, #client_handler, #id, #opts

Instance Method Summary collapse

Methods inherited from Logged

#base_execute

Methods inherited from Base

#base_execute, #call_cmd, #call_cmd!, #error, #error!, handle, #handled, #indirect?, #initialize, #manipulate, #manipulation_holder, #ok, #progress, #request_stop, run, run!

Constructor Details

This class inherits a constructor from OsCtld::Commands::Base

Instance Method Details

#bridge_opts(_netif) ⇒ Object (protected) 



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# File 'lib/osctld/commands/net_interface/set.rb', line 42

def bridge_opts(_netif)
  ret = { link: opts[:link] }
  ret[:dhcp] = opts[:dhcp] if opts.has_key?(:dhcp)

  if opts[:gateways]
    ret[:gateways] = opts[:gateways].transform_keys { |k| k.to_s.to_i }
  end

  ret
end

#execute(ct) ⇒ Object 



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# File 'lib/osctld/commands/net_interface/set.rb', line 15

def execute(ct)
  manipulate(ct) do
    if ct.state != :stopped
      opts.each_key do |k|
        if UNCHANGEABLE_AT_RUNTIME.include?(k)
          error!('the container must be stopped to change network interface')
        end
      end
    end

    netif = ct.netifs[opts[:name]]
    netif || error!('network interface not found')

    change_opts = generic_opts
    change_opts.update(send("#{netif.type}_opts", netif))

    netif.set(change_opts)

    ct.save_config
    ct.lxc_config.configure_network

    ok
  end
end

#find ⇒ Object 



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# File 'lib/osctld/commands/net_interface/set.rb', line 10

def find
  ct = DB::Containers.find(opts[:id], opts[:pool])
  ct || error!('container not found')
end

#generic_opts ⇒ Object (protected) 



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# File 'lib/osctld/commands/net_interface/set.rb', line 57

def generic_opts
  ret = {}

  if opts.has_key?(:hwaddr)
    if opts[:hwaddr].is_a?(String) && opts[:hwaddr].length == 17
      ret[:hwaddr] = opts[:hwaddr]

    elsif opts[:hwaddr].nil?
      ret[:hwaddr] = nil

    else
      error!('hwaddr has to be a 17 character string or null')
    end
  end

  %i[tx_queues rx_queues].each do |v|
    next unless opts[v]

    if !opts[v].is_a?(Integer) || opts[v] < 1
      error!("#{v} must be a number greater or equal to 1")
    end

    ret[v] = opts[v]
  end

  %i[max_tx max_rx].each do |v|
    next unless opts[v]

    if !opts[v].is_a?(Integer) || opts[v] < 0
      error!("#{v} must be a number greater or equal to zero")
    end

    ret[v] = opts[v]
  end

  %i[enable].each do |v|
    next unless opts.has_key?(v)

    unless [TrueClass, FalseClass].include?(opts[v].class)
      error!("#{v} must be a boolean")
    end

    ret[v] = opts[v]
  end

  ret
end

#routed_opts(_netif) ⇒ Object (protected) 



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# File 'lib/osctld/commands/net_interface/set.rb', line 53

def routed_opts(_netif)
  {}
end