Class: Simp::Cli::Config::Item::HostnameConf

Inherits:
ActionItem show all
Defined in:
lib/simp/cli/config/item/hostname_conf.rb

Instance Attribute Summary

Attributes inherited from Simp::Cli::Config::Item

#allow_user_apply, #config_items, #description, #die_on_apply_fail, #fact, #fail_on_missing_answer, #key, #next_items_tree, #silent, #skip_apply, #skip_query, #skip_yaml, #value

Instance Method Summary collapse

Methods inherited from ActionItem

#query, #to_yaml_s, #validate

Methods included from SafeApplying

#safe_apply

Methods inherited from Simp::Cli::Config::Item

#default_value, #highline_question_type, #next_items, #not_valid_message, #os_value, #print_banner, #print_summary, #puppet_value, #query, #query_ask, #query_extras, #query_status, #recommended_value, #safe_apply, #say_blue, #say_green, #say_red, #say_yellow, #to_yaml_s, #validate

Constructor Details

#initializeHostnameConf

Returns a new instance of HostnameConf.



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# File 'lib/simp/cli/config/item/hostname_conf.rb', line 9

def initialize
  super
  @key               = 'hostname::conf'
  @description       = 'action item; configures hostname'
  @die_on_apply_fail = true
end

Instance Method Details

#applyObject



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# File 'lib/simp/cli/config/item/hostname_conf.rb', line 16

def apply
  success  = true
  fqdn     = @config_items.fetch( 'hostname'    ).value
  # TODO: should we use this shortname instead of fqdn?
  hostname = fqdn.split('.').first

  # copy/pasta'd logic from old simp config
  # TODO: replace this with 'puppet apply' + network::global
  say_green '  updating hostname...' if !@silent

  `hostname #{fqdn}`
  success = success && $?.success?

  `sed -i '/HOSTNAME/d' /etc/sysconfig/network`
  success = success && $?.success?

  `echo HOSTNAME=#{fqdn} >> /etc/sysconfig/network`
  success = success && $?.success?

  # For EL 7 / systemd
  if File.exist?('/etc/hostname')
    say_green '  updating /etc/hostname...'
    File.open('/etc/hostname','w'){|fh| fh.puts(fqdn)}

    # hostnamectl is required to persist the change under systemd
    `hostnamectl --static --pretty set-hostname #{fqdn}`
    success = success && $?.success?
  end

  success
end