Class: Uricp::Strategy::LocalLink

Inherits:
Object
  • Object
show all
Includes:
Common
Defined in:
lib/uricp/strategy/local_link.rb

Constant Summary

Constants included from Common

Common::DRY_SNAP, Common::PIPE_URI, Common::VOL_REGEX

Constants included from CurlPrimitives

CurlPrimitives::ORBIT_HOSTS

Instance Attribute Summary

Attributes included from Common

#proposed_options

Attributes included from CurlPrimitives

#options

Instance Method Summary collapse

Methods included from Common

#all_local_files?, #always_write_sparse?, #compression_required?, #conversion_required?, #dry_run?, #encoding, #file_source?, #format_change?, #get_temp_filename, #in_rbd_cache, #in_rbd_cache?, #initialize, #lz4?, #lz4_source?, #not_in_rbd_cache?, #proposed_path, #qcow2?, #raw_target?, #rbd_base_name, #rbd_cache_image_exists?, #rbd_cache_image_spec, #rbd_cache_name, #rbd_cache_upload_available?, #rbd_clone_snapshot, #rbd_id, #rbd_image_spec, #rbd_sequence_complete?, #rbd_snapshot_name, #rbd_snapshot_spec?, #rbd_uri, #segmented?, #sequence_complete?, #snap_check, #supported_source?, #temp_uri, #unsupported_transfer, #xz?, #xz_source?

Methods included from CurlPrimitives

#authentication, #curl_command, #curl_download_to_pipe, #curl_manifest, #curl_upload_from, #from, #from=, #http_authentication?, #orbit?, #temp_url?, #to, #to=

Instance Method Details

#appropriate? ⇒ Boolean

Returns:

  • (Boolean) 


7
8
9
10
11
12
13
14
15
 
# File 'lib/uricp/strategy/local_link.rb', line 7

def appropriate?
  return proposal if !compression_required? &&
                     all_local_files? &&
                     !format_change? &&
                     linkable?

  debug "#{self.class.name}: not appropriate"
  false
end

#command ⇒ Object 



17
18
19
 
# File 'lib/uricp/strategy/local_link.rb', line 17

def command
  "ln -fT #{from.path} #{to.path};"
end

#linkable? ⇒ Boolean

Returns:

  • (Boolean) 


27
28
29
30
31
32
33
 
# File 'lib/uricp/strategy/local_link.rb', line 27

def linkable?
  from_path_dir = File.dirname(from.path)
  to_path_dir = File.dirname(to.path)
  File.directory?(from_path_dir) && File.directory?(to_path_dir) &&
    File.stat(from_path_dir).dev == File.stat(to_path_dir).dev &&
    (!File.exist?(to.path) || File.file?(to.path))
end

#proposal ⇒ Object 



21
22
23
24
25
 
# File 'lib/uricp/strategy/local_link.rb', line 21

def proposal
  @proposed_options = options.dup
  @proposed_options['from_uri'] = @proposed_options['to_uri']
  self
end