Class: Strongspace::Command::Spaces

Inherits:
Base show all
Defined in:
lib/strongspace/commands/spaces.rb

Instance Attribute Summary

Attributes inherited from Base

#args

Instance Method Summary collapse

Methods inherited from Base

#initialize, #strongspace

Methods included from PluginInterface

#base_command, #command, included

Methods included from Helpers

#ask, #backup_space?, #bin_folder, #command_name, #computername, #confirm, #confirm_command, #create_pid_file, #credentials_file, #credentials_folder, #delete_pid_file, #display, #error, #format_date, #gui_ssh_key, home_directory, #home_directory, #kill_via_pidfile, #launchd_agents_folder, #logs_folder, #pid_file_path, #pid_from_pid_file, #pids_folder, #plugins_folder, #process_running?, #redisplay, running_on_a_mac?, #running_on_a_mac?, #running_on_windows?, running_on_windows?, #shell, #space_exist?, support_directory, #support_directory

Constructor Details

This class inherits a constructor from Strongspace::Command::Base

Instance Method Details

#create ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 18

def create
  name = args[0]
  type = args[1]

  strongspace.create_space(name, type)
  display "Create space #{name}"
end

#create_snapshot ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 48

def create_snapshot
  space_name, snapshot_name = args[0..1]

  if snapshot_name.blank?
    snapshot_name = Time.now.strftime("%Y-%m-%d-%H%M%S")
  end

  strongspace.create_snapshot(space_name, snapshot_name)
  display "Created snapshot '#{space_name}@#{snapshot_name}'"
end

#create_snapshot_and_thin ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 59

def create_snapshot_and_thin

  retries = 0
  success = false
  while (!success and (retries < 5)) do
    begin
      create_snapshot
      #thin_snapshots
    rescue SocketError => e
      sleep(10)
      retries = retries + 1
      next
    end
    success = true
  end

end

#delete ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 26

def delete
  strongspace.delete_space(args.first)
  display "Space #{args.first} removed."
end

#delete_snapshot ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 77

def delete_snapshot
  space_name, snapshot_name = args[0..1]

  strongspace.delete_snapshot(space_name, snapshot_name)
  display "Destroyed snapshot '#{space_name}@#{snapshot_name}'"
end

#list ⇒ Object Also known as: index 



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# File 'lib/strongspace/commands/spaces.rb', line 3

def list
  long = args.any? { |a| a == '--long' }
  spaces = strongspace.spaces

  if spaces.empty?
    display "#{strongspace.username} has no spaces"
  else
    display "=== #{strongspace.username} has #{spaces.size} space#{'s' if spaces.size > 1}"
    spaces.each do |space|
      display "#{space['name']} [type: #{space['type']}, snapshots: #{space['snapshots']}]"
    end
  end
end

#schedule_snapshots ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 104

def schedule_snapshots
  space_name = args[0]

  if running_on_a_mac?
    plist = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
    <!DOCTYPE plist PUBLIC -//Apple Computer//DTD PLIST 1.0//EN
    http://www.apple.com/DTDs/PropertyList-1.0.dtd >
    <plist version=\"1.0\">
    <dict>
    <key>Label</key>
    <string>com.strongspace.Snapshots.#{space_name}</string>
    <key>Program</key>
    <string>#{support_directory}/gems/bin/strongspace</string>
    <key>ProgramArguments</key>
    <array>
    <string>strongspace</string>
    <string>spaces:create_snapshot_and_thin</string>
    <string>#{space_name}</string>
    </array>
    <key>KeepAlive</key>
    <false/>
    <key>StartCalendarInterval</key>
    <dict>
      <key>Minute</key>
      <integer>0</integer>
    </dict>
    <key>RunAtLoad</key>
    <true/>
    <key>StandardOutPath</key>
    <string>#{log_file}</string>
    <key>StandardErrorPath</key>
    <string>#{log_file}</string>
    <key>EnvironmentVariables</key>
    <dict>
    <key>STRONGSPACE_DISPLAY</key>
    <string>logging</string>
    <key>GEM_PATH</key>
    <string>#{support_directory}/gems</string>
    <key>GEM_HOME</key>
    <string>#{support_directory}/gems</string>
    <key>RACK_ENV</key>
    <string>production</string>
    </dict>

    </dict>
    </plist>"

    file = File.new(launchd_plist_file(space_name), "w+")
    file.puts plist
    file.close

    r = `launchctl load -S aqua '#{launchd_plist_file(space_name)}'`
    if r.strip.ends_with?("Already loaded")
      error "This task is aready scheduled, unload before scheduling again"
      return
    end
    display "Scheduled Snapshots of #{space_name}"
  end
end

#snapshots ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 31

def snapshots
  if args.length == 0
    display "No space specified."
    return
  end
  snapshots = strongspace.snapshots(args.first)

  if snapshots.empty?
    display "Space #{args.first} has no snapshots"
  else
    display "=== Space #{args.first} has #{snapshots.size} snapshot#{'s' if snapshots.size > 1}"
    snapshots.each do |snapshot|
      display "#{args.first}@#{snapshot['name']} [created: #{snapshot['created_at']}]"
    end
  end
end

#thin_snapshots ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 84

def thin_snapshots
  snapshots = strongspace.snapshots(args.first)

  keeplist = []

  snapshots.each do |s|
    if DateTime.parse(s['created_at']).to_local_time > (Time.now - 3600*24)
      keeplist << s
      next
    end
  end

  (snapshots - keeplist).each do |k|
    puts "Drop: " + k['name']
    strongspace.delete_snapshot(args.first, k['name'])
  end

end

#unschedule_snapshots ⇒ Object 



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# File 'lib/strongspace/commands/spaces.rb', line 164

def unschedule_snapshots
  space_name = args[0]

  if space_name.blank?
    display "Please supply the name of a space"
    return false
  end

  if running_on_windows?
    error "Scheduling currently isn't supported on Windows"
    return
  end

  if running_on_a_mac?
    if File.exist? launchd_plist_file(space_name)
      `launchctl unload '#{launchd_plist_file(space_name)}'`
      FileUtils.rm(launchd_plist_file(space_name))
    end
  else  # Assume we're running on linux/unix
    CronEdit::Crontab.Remove "strongspace-snapshots-#{space_name}"
  end

end