Class: Yast::NetworkAutoconfiguration

Inherits:
Object
  • Object
show all
Includes:
Logger, Singleton, Wicked
Defined in:
src/lib/network/network_autoconfiguration.rb

Overview

The class is responsible for generating / proposing automatic configuration during installation workflow

Constant Summary collapse

BASH_PATH =
Path.new(".target.bash")

Constants included from Wicked

Wicked::BASH_OUTPUT_PATH

Instance Method Summary collapse

Methods included from Wicked

#parse_ntp_servers, #reload_config

Instance Method Details

#any_iface_active?Boolean

Checks if any of available interfaces is configured and active

returns [Boolean] true when at least one interface is active


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# File 'src/lib/network/network_autoconfiguration.rb', line 47

def any_iface_active?
  config.interfaces.any? { |c| config.connections.by_name(c.name) && active_config?(c.name) }
end

#configure_dhcpObject


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# File 'src/lib/network/network_autoconfiguration.rb', line 51

def configure_dhcp
  Yast::Lan.Read(:cache)
  Yast.include self, "network/routines.rb" # TODO: needed only for phy_connected

  # find out network devices suitable for dhcp autoconfiguration.
  # Such device has to:
  # - be unconfigured
  # - physically connected to a network
  #   (it speeds up the initialization phase of installer - bnc#872319)
  dhcp_cards = config.interfaces.select do |c|
    next false if config.connections.by_name(c.name)
    phy_connected?(c.name)
  end
  log.info "Candidates for enabling DHCP: #{dhcp_cards.inspect}"

  # TODO: time consuming, some progress would be nice
  dhcp_cards.each { |d| setup_dhcp(d) }

  activate_changes(dhcp_cards.map(&:name))

  # drop devices without dhcp lease
  inactive_devices = dhcp_cards.select { |c| !active_config?(c.name) }
  log.info "Inactive devices: #{inactive_devices}"

  inactive_devices.each { |c| delete_config(c) }

  # setup route flag
  active_devices = dhcp_cards - inactive_devices

  if active_devices.size == 1
    # just one dhcp device, nothing to care of
    set_default_route_flag(active_devices.first, "yes")
  else
    # try to find just one dhcp aware device for allowing default route
    # if there is more than one dhcp devices enabled for setting default
    # route (DHCLIENT_SET_DEFAULT_ROUTE = "yes"). bnc#868187
    active_devices.find { |d| set_default_route_flag_if_wan_dev?(d.name) }
  end

  activate_changes(dhcp_cards.map(&:name))
end

#configure_dnsObject

Propose DNS and Hostname setup


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# File 'src/lib/network/network_autoconfiguration.rb', line 112

def configure_dns
  DNS.Read # handles NetworkConfig too
  log.info("NetworkAutoconfiguration: proposing DNS / Hostname configuration")
  DNS.Write
end

#configure_hostsObject

Proposes updates for /etc/hosts

Expected to be used for updating target system's config. Currently it only updates /etc/hosts with static IP if any.


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# File 'src/lib/network/network_autoconfiguration.rb', line 122

def configure_hosts
  Host.Read
  Host.ResolveHostnameToStaticIPs
  Host.Write
end

#configure_virtualsObject

Propose configuration for virtual devices

It checks if any of supported virtual machines were installed. If found, propose virtual device(s) configuration


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# File 'src/lib/network/network_autoconfiguration.rb', line 97

def configure_virtuals
  return if !virtual_proposal_required?

  log.info("NetworkAutoconfiguration: proposing virtual devices")

  Lan.ProposeVirtualized

  # avoid restarting network (installation can run via ssh, vnc, ...)
  # Moreover virtual devices are not needed during first stage. So, it can
  # wait for rebooting into just installed target
  return if Lan.yast_config == Lan.system_config
  Lan.yast_config.write
end