Class: OsCtld::Commands::User::Create

Inherits:
Logged
  • Object
show all
Includes:
OsCtl::Lib::Utils::Log, OsCtl::Lib::Utils::System
Defined in:
lib/osctld/commands/user/create.rb

Instance Attribute Summary

Attributes inherited from Base

#client, #client_handler, #id, #opts

Instance Method Summary collapse

Methods inherited from Logged

#base_execute

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

#block_index_with_custom_mapping(u) ⇒ Object (protected)

Custom mapping on an existing or a new block on a specific position



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# File 'lib/osctld/commands/user/create.rb', line 111

def block_index_with_custom_mapping(u)
  range = find_id_range
  allocation = range.export_at(opts[:block_index])

  if allocation[:type] == :free
    allocation = range.allocate(
      1,
      block_index: opts[:block_index],
      owner: u.id_range_allocation_owner,
    )
    progress("Allocated block ##{allocation[:block_index]} from ID range #{range.name}")
  else
    progress("Using block ##{allocation[:block_index]} from ID range #{range.name}")
  end

  uid_map = IdMap.from_string_list(opts[:uid_map])
  gid_map = IdMap.from_string_list(opts[:gid_map])

  # Check that the maps fit within the allocation
  {uid_map: uid_map, gid_map: gid_map}.each do |name, map|
    map.each do |entry|
      if entry.host_id < allocation[:first_id] \
         || (entry.host_id + entry.count - 1) > allocation[:last_id]
        error!("#{name} does not fit within the ID range allocation")
      end
    end
  end

  [uid_map, gid_map]
end

#block_index_with_default_mapping(u) ⇒ Object (protected)

Use an existing or a new block at a specific position, create a default mapping



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# File 'lib/osctld/commands/user/create.rb', line 87

def block_index_with_default_mapping(u)
  range = find_id_range
  allocation = range.export_at(opts[:block_index])

  if allocation[:type] == :free
    allocation = range.allocate(
      1,
      block_index: opts[:block_index],
      owner: u.id_range_allocation_owner,
    )
    progress("Allocated block ##{allocation[:block_index]} from ID range #{range.name}")
  else
    progress("Using block ##{allocation[:block_index]} from ID range #{range.name}")
  end

  create_default_mapping(allocation)
end

#check_mappings!(uid_map, gid_map) ⇒ Object (protected) 



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# File 'lib/osctld/commands/user/create.rb', line 147

def check_mappings!(uid_map, gid_map)
  if !uid_map.valid?
    error!('UID map is not valid')

  elsif !gid_map.valid?
    error!('GID map is not valid')
  end
end

#create_default_mapping(allocation) ⇒ Object (protected) 



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# File 'lib/osctld/commands/user/create.rb', line 142

def create_default_mapping(allocation)
  v = "0:#{allocation[:first_id]}:#{allocation[:id_count]}"
  [v, v].map { |v| IdMap.from_string_list([v]) }
end

#execute(u) ⇒ Object 



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# File 'lib/osctld/commands/user/create.rb', line 27

def execute(u)
  # Possibilities:
  # 1) user new [--id-range *range*] kkt
  #    -> allocate new block, add default map
  #
  # 2) user new [--id-range *range*] --id-range-block-index *n* kkt
  #    -> use existing block, or allocate at index
  #
  # 3) user new --map 0:123000:65536 kkt
  #    -> do not allocate anything, use custom map as is
  #
  # 4) user new [--id-range *range*] --id-range-block-index *n* --map 0:123000:65536 kkt
  #    -> do not allocate anything, use custom map, but check that it fits
  #       in that allocation

  uid_map, gid_map =
    if !opts[:block_index] && !opts[:uid_map] && !opts[:gid_map]
      new_block_with_default_mapping(u)

    elsif opts[:block_index] && !opts[:uid_map] && !opts[:gid_map]
      block_index_with_default_mapping(u)

    elsif !opts[:range] && !opts[:block_index] && opts[:uid_map] && opts[:gid_map]
      no_block_with_custom_mapping(u)

    elsif opts[:block_index] && opts[:uid_map] && opts[:gid_map]
      block_index_with_custom_mapping(u)

    else
      error!('unsupported flag combination')
    end

  check_mappings!(uid_map, gid_map)

  manipulate(u) do
    u.configure(
      uid_map,
      gid_map,
      ugid: opts[:ugid],
      standalone: opts[:standalone],
    )

    call_cmd!(Commands::User::Setup, user: u)
    call_cmd!(Commands::User::Register, name: u.name, pool: u.pool.name)
    call_cmd!(Commands::User::SubUGIds)
  end

  ok
end

#find ⇒ Object 



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# File 'lib/osctld/commands/user/create.rb', line 12

def find
  pool = DB::Pools.get_or_default(opts[:pool])
  error!('pool not found') unless pool

  rx = /^[a-z0-9_-]{1,#{32 - 1 - pool.name.length}}$/

  if rx !~ opts[:name]
    error!("invalid name, allowed format: #{rx.source}")
  end

  u = User.new(pool, opts[:name], load: false)
  error!('user already exists') if DB::Users.contains?(u.name, pool)
  u
end

#find_id_range ⇒ Object (protected) 



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# File 'lib/osctld/commands/user/create.rb', line 156

def find_id_range
  if opts[:id_range]
    range = DB::IdRanges.find(opts[:id_range], opts[:pool])
  else
    range = DB::IdRanges.find('default', opts[:pool])
  end

  range || error!('ID range not found')
end

#new_block_with_default_mapping(u) ⇒ Object (protected)

Allocate a new block, create a default mapping



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# File 'lib/osctld/commands/user/create.rb', line 79

def new_block_with_default_mapping(u)
  range = find_id_range
  allocation = range.allocate(1, owner: u.id_range_allocation_owner)
  progress("Allocated block ##{allocation[:block_index]} from ID range #{range.name}")
  create_default_mapping(allocation)
end

#no_block_with_custom_mapping(u) ⇒ Object (protected)

Do not allocate anything, use a custom map



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# File 'lib/osctld/commands/user/create.rb', line 106

def no_block_with_custom_mapping(u)
  [opts[:uid_map], opts[:gid_map]].map { |v| IdMap.from_string_list(v) }
end