Class: ServerCleanup::CleanupVersions

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/cleanup_versions.rb

Instance Method Summary collapse

Instance Method Details

#backup_cookbook(cb, cb_ver, dir) ⇒ Object 



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# File 'lib/chef/knife/cleanup_versions.rb', line 110

def backup_cookbook(cb,cb_ver,dir)
  ui.msg "\nFist backing up cookbook #{cb} version #{cb_ver}"
  FileUtils.mkdir_p(dir)
  dld = Chef::Knife::CookbookDownload.new
  dld.name_args = [cb, cb_ver]
  dld.config[:download_directory] = dir
  dld.config[:force] = true
  begin
    dld.run
  rescue
    ui.msg "Failed to download cookbook #{cb} version #{cb_ver}... Skipping"
    FileUtils.rm_r(File.join(dir, cb + "-" + cb_ver))
  end
end

#cookbooks ⇒ Object 



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# File 'lib/chef/knife/cleanup_versions.rb', line 47

def cookbooks
  ui.msg "Searching for unused cookboks versions..."
  all_cookbooks = rest.get_rest("/cookbooks?num_versions=all")
  latest_cookbooks = rest.get_rest("/cookbooks?latest")
  
  # All cookbooks
  cbv = all_cookbooks.inject({}) do |collected, ( cookbook, versions )|
    collected[cookbook] = versions["versions"].map {|v| v['version']}
    collected
  end
  
  # Get the latest cookbooks
  latest = latest_cookbooks.inject({}) do |collected, ( cookbook, versions )|
    collected[cookbook] = versions["versions"].map {|v| v['version']}
    collected
  end
  
  latest.each_key do |cb|
    cbv[cb].delete(latest[cb][0])
  end
  
  # Let see what cookbooks we have in use in all environments
  Chef::Environment.list.each_key do |env_list|
    env = Chef::Environment.load(env_list)
    next unless !env.cookbook_versions.empty?
    env.cookbook_versions.each_key do |cb|
      cb_ver = env.cookbook_versions[cb].split(" ").last
      begin
        cbv[cb].delete(cb_ver)
      rescue
        "Skipping..."
      end
    end
  end
  
  confirm("Do you really want to delete unused cookbook versions from the server")  if config[:delete]
  ui.msg "Cookbook Versions:"
  key_length = cbv.empty? ? 0 : cbv.keys.map {|name| name.size }.max + 2
  cbv.each_key do |cb|
    print "  #{cb.ljust(key_length)}"
    cbv[cb].each do |cb_ver|
      print "#{cb_ver} "
      if config[:delete]
        dir = ".cleanup/#{cb}/"
        backup_cookbook(cb,cb_ver,dir) if config[:backup]
        delete_cookbook(cb, cb_ver)
      end
    end
    print "\n"
  end
  
  if !config[:delete]
    ui.msg "Not deleting unused cookbook versions; use --delete if you want to remove them"
  end
  
end

#delete_cookbook(cb, cb_ver) ⇒ Object 



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# File 'lib/chef/knife/cleanup_versions.rb', line 104

def delete_cookbook(cb, cb_ver)
  ui.msg "Deleting cookbook #{cb} version #{cb_ver}"
  rest.delete_rest("cookbooks/#{cb}/#{cb_ver}")
  print ". "
end

#run ⇒ Object 



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# File 'lib/chef/knife/cleanup_versions.rb', line 43

def run
  cookbooks
end