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


47
48
49
 
# 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_dhcp ⇒ Object 


51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# 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_dns ⇒ Object

Propose DNS and Hostname setup


112
113
114
115
116
 
# 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_hosts ⇒ Object

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.


122
123
124
125
126
 
# File 'src/lib/network/network_autoconfiguration.rb', line 122

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

#configure_virtuals ⇒ Object

Propose configuration for virtual devices

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


97
98
99
100
101
102
103
104
105
106
107
108
109
 
# 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