Class: OVSImager::IPNetNS

Inherits:
Object
  • Object
show all
Defined in:
lib/ovsimager/ipnetns.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ IPNetNS

Returns a new instance of IPNetNS.



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# File 'lib/ovsimager/ipnetns.rb', line 5

def initialize()
  @ns = exec_ip('netns').split(/\n/).map{|x| x.sub(/\s+\(id: \d+\)/, '')}
  @ifaces = {:root => parse_address(exec_ip('a'), :root)}
  links = parse_link(exec_ip('-d link'), :root)
  merge_link_type(@ifaces[:root], links)
  @ns.each {|ns|
    out = exec_ip("netns exec #{ns} ip a", true)
    @ifaces[ns] = parse_address(out, ns)
    out = exec_ip("netns exec #{ns} ip -d link", true)
    links = parse_link(out, ns)
    merge_link_type(@ifaces[ns], links)
  }
  find_veth_pair
end

Instance Method Details

#exec_ip(args, root = false) ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 40

def exec_ip(args, root=false)
  Utils.execute("ip #{args}", root)
end

#ifaces_ary ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 36

def ifaces_ary()
  @ifaces.inject([]) {|a, (ns, v)| v.each {|i| a[i[:id].to_i] = i}; a}
end

#ifaces_hash ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 32

def ifaces_hash()
  @ifaces.inject({}) {|h, (ns, v)| v.each {|i| h[ifname_ns(i)] = i}; h}
end

#ifname_ns(iface) ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 28

def ifname_ns(iface)
  iface[:name] + (iface[:ns] == :root ? "" : ":" + iface[:ns].to_s)
end

#ns ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 20

def ns()
  @ns
end

#to_hash ⇒ Object 



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# File 'lib/ovsimager/ipnetns.rb', line 24

def to_hash()
  @ifaces
end