Class: CloudFlock::App::ServerMigrate

Inherits:
Object
  • Object
show all
Includes:
Common, Remote
Defined in:
lib/cloudflock/app/server-migrate.rb

Overview

Public: The ServerMigrate class provides the interface to perform one-shot migrations as a CLI application.

Constant Summary

Constants included from Common

Common::DATA_DIR, Common::EXCLUSIONS, Common::MOUNT_POINT, Common::PRIVATE_KEY, Common::PUBLIC_KEY, Common::SSH_ARGUMENTS

Instance Method Summary collapse

Methods included from Common

#check_hostkey, #cleanup_destination, #cleanup_rackspace_server, #configure_ips, #connect_destination, #connect_host, #connect_source, #create_watchdogs, #define_compute_flavor, #define_compute_image, #define_compute_name, #define_destination, #define_host, #define_source, #dest_watchdogs, #destroy_host, #determine_rsync, #determine_target_address, #ensure_no_watchdog_alerts, #filter_compute_flavors, #filter_compute_images, #generate_keypair, #generate_selection_table, #get_host_details, #managed_wait, #migrate_server, #prepare_destination_filesystem, #prepare_destination_pubkey, #prepare_destination_rsync, #prepare_source_exclusions, #prepare_source_rsync, #prepare_source_servicenet, #prepare_source_ssh_keygen, #provision_compute, #provision_wait, #remediate_ip, #rescue_compute, #restore_rackspace_users, #restore_user, #retry_exit, #retry_prompt, #rsync_migrate, #rsync_migrate_commands, #rsync_migrate_thread, #set_watchdog_alerts, #setup_destination, #source_watchdogs, #ssh_connect, #start_watchdog, #stop_watchdog, #stop_watchdogs, #transfer_rsync

Methods included from CloudFlock::App

#check_option, #check_option_fs, #check_option_pw, #check_option_yn, #load_config_if_present

Methods included from Rackspace

#define_rackspace_api, #define_rackspace_cloudservers_region, #define_rackspace_files_region, #define_rackspace_region, #define_rackspace_service_region

Constructor Details

#initialize ⇒ ServerMigrate

Public: Obtain information needed to migrate one or more Unix hosts, and perform the migrations.



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# File 'lib/cloudflock/app/server-migrate.rb', line 16

def initialize
  options   = parse_options
  servers   = options[:servers]
  servers ||= [options]

  sources  = servers.map(&method(:define_source))
  profiles = sources.map do |host|
    source_host = ssh_connect(host)
    fetch_profile(source_host)
  end

  api,managed = get_api_and_service_level unless options[:resume]

  destinations = profiles.zip(sources).map do |profile, host|
    destination_info(host, profile, options[:resume], managed, api)
  end

  exclusions = profiles.
    zip(destinations).
    zip(sources).
    map(&:flatten).map do |profile, dest, host|
    puts UI.green { "#{host[:hostname]} -> #{dest[:hostname]}" }
    build_exclusions(profile.cpe)
  end

  results = sources.
    zip(destinations).
    zip(exclusions).
    zip(profiles).
    map(&:flatten).
    map { |params| do_migration(*params) }

  puts results.join("\n")
end