Class: OsCtld::DistConfig::Debian

Inherits:
Base
  • Object
show all
Defined in:
lib/osctld/dist_config/debian.rb

Direct Known Subclasses

Alpine, Devuan, Ubuntu

Instance Attribute Summary

Attributes inherited from Base

#ct, #ctrc, #distribution, #version

Instance Method Summary collapse

Methods inherited from Base

#add_netif, #bin_path, distribution, #dns_resolvers, #initialize, #passwd, #remove_netif, #rename_netif, #stop, #unset_etc_hosts, #update_etc_hosts, #writable?

Methods included from Utils::SwitchUser

#ct_attach, #ct_syscmd

Constructor Details

This class inherits a constructor from OsCtld::DistConfig::Base

Instance Method Details

#network(_opts) ⇒ Object 



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# File 'lib/osctld/dist_config/debian.rb', line 29

def network(_opts)
  base = File.join(ctrc.rootfs, 'etc', 'network')
  config = File.join(base, 'interfaces')
  return unless writable?(config)

  vars = {
    netifs: ct.netifs,
    head: nil,
    interfacesd: Dir.exist?(File.join(base, 'interfaces.d')),
    tail: nil,
  }

  %i(head tail).each do |v|
    f = File.join(base, "interfaces.#{v}")

    begin
      # Ignore large files
      if File.size(f) > 10*1024*1024
        log(:warn, ct, "/etc/network/interfaces.#{v} found, but is too large")
        next
      end

      vars[v] = File.read(f)
    rescue Errno::ENOENT
      next
    end
  end

  OsCtld::ErbTemplate.render_to(
    'dist_config/network/debian/interfaces',
    vars,
    config
  )
end

#set_hostname(opts) ⇒ Object 



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# File 'lib/osctld/dist_config/debian.rb', line 7

def set_hostname(opts)
  # /etc/hostname
  writable?(File.join(ctrc.rootfs, 'etc', 'hostname')) do |path|
    regenerate_file(path, 0644) do |f|
      f.puts(ct.hostname.local)
    end
  end

  # Entry in /etc/hosts
  update_etc_hosts(old_hostname: opts[:original])

  # Apply hostname if the container is running
  if ct.running?
    begin
      ct_syscmd(ct, %w(hostname -F /etc/hostname))

    rescue SystemCommandFailed => e
      log(:warn, ct, "Unable to apply hostname: #{e.message}")
    end
  end
end