Class: SafeDb::Docker

Inherits:
UseCase show all
Defined in:
lib/usecase/docker/docker.rb

Overview

This docker use case handles the …

safe docker 
safe docker logout

Constant Summary

Constants inherited from UseCase

UseCase::APP_DIR_NAME, UseCase::COMMANDMENT, UseCase::ENV_VAR_KEY_NAME, UseCase::ENV_VAR_PREFIX_A, UseCase::ENV_VAR_PREFIX_B, UseCase::FILE_CONTENT_KEY, UseCase::FILE_KEY_PREFIX, UseCase::FILE_NAME_KEY

Instance Attribute Summary collapse

Attributes inherited from UseCase

#from_script

Instance Method Summary collapse

Methods inherited from UseCase

#check_post_conditions, #check_pre_conditions, #cleanup, #config_directory, #config_file, #flow_of_events, #get_master_database, #initialize, #post_validation, #pre_validation

Constructor Details

This class inherits a constructor from SafeDb::UseCase

Instance Attribute Details

#command=(value) ⇒ Object (writeonly)

The command which currently must be login, logout or an empty string.



14
15
16
 
# File 'lib/usecase/docker/docker.rb', line 14

def command=(value)
  @command = value
end

Instance Method Details

#execute ⇒ Object 



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/usecase/docker/docker.rb', line 16

def execute

    return unless ops_key_exists?
    master_db = get_master_database()
    return if unopened_envelope?( master_db )

    # Get the open chapter identifier (id).
    # Decide whether chapter already exists.
    # Then get (or instantiate) the chapter's hash data structure
    chapter_id = ENVELOPE_KEY_PREFIX + master_db[ ENV_PATH ]
    verse_id = master_db[ KEY_PATH ]
    chapter_exists = KeyApi.db_envelope_exists?( master_db[ chapter_id ] )

    # Unlock the chapter data structure by supplying
    # key/value mini-dictionary breadcrumbs sitting
    # within the master database at the section labelled
    # envelope@<<actual_chapter_id>>.
    chapter_data = KeyDb.from_json( KeyApi.content_unlock( master_db[ chapter_id ] ) )

    key_value_dictionary = chapter_data[ verse_id ]
    docker_username = key_value_dictionary[ "docker.username" ]
    docker_password = key_value_dictionary[ "@docker.password" ]
     = "docker login --username #{docker_username} --password #{docker_password} 2>/dev/null"
    docker_logout_cmd = "docker logout"
    docker_cmd = @command.eql?( "logout" ) ? docker_logout_cmd : 
    system docker_cmd

end