Class: OsCtld::Commands::Container::RecoverCleanup

Inherits:
Base
  • Object
show all
Includes:
OsCtl::Lib::Utils::Log, OsCtl::Lib::Utils::System
Defined in:
lib/osctld/commands/container/recover_cleanup.rb

Defined Under Namespace

Classes: RouteList

Instance Attribute Summary

Attributes inherited from Base

#client, #client_handler, #id, #opts

Instance Method Summary collapse

Methods inherited from Base

#base_execute, #call_cmd, #call_cmd!, 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

#executeObject



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# File 'lib/osctld/commands/container/recover_cleanup.rb', line 11

def execute
  ct = DB::Containers.find(opts[:id], opts[:pool])
  return error('container not found') unless ct

  manipulate(ct) do
    error!('the container has to be stopped') if ct.state != :stopped

    progress('Removing leftover cgroups')
    CGroup.rmpath_all(File.join(ct.cgroup_path, 'lxc'))

    progress('Searching for stray network interfaces')
    veths = []

    [4, 6].each do |ip_v|
      routes = RouteList.new(ip_v)

      ct.netifs.each do |netif|
        next if netif.type != :routed

        netif.routes.each_version(ip_v) do |route|
          veth = routes.veth_of(route)

          if veth
            progress("Found route #{route.addr.to_string} on #{veth}")
            veths << veth unless veths.include?(veth)
          end
        end
      end
    end

    veths.each do |veth|
      found = DB::Containers.get.detect do |ct|
        n = ct.netifs.detect do |netif|
          netif.respond_to?(:veth) && netif.veth == veth
        end
        n && ct
      end

      if found
        progress("Interface #{veth} is used by container #{found.ident}")
      else
        progress("Removing #{veth}")
        syscmd("ip link delete #{veth}")
      end
    end

    ok
  end
end