文件操作 - device.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/application/device.rb

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# frozen_string_literal: true

require_relative '../../puppet/application'
require_relative '../../puppet/configurer'
require_relative '../../puppet/util/network_device'
require_relative '../../puppet/ssl/oids'

class Puppet::Application::Device < Puppet::Application
  run_mode :agent

attr_accessor :args, :agent, :host

def app_defaults
    super.merge({
                  :catalog_terminus => :rest,
                  :catalog_cache_terminus => :json,
                  :node_terminus => :rest,
                  :facts_terminus => :network_device,
                })
  end

def preinit
    # Do an initial trap, so that cancels don't get a stack trace.
    Signal.trap(:INT) do
      $stderr.puts _("Cancelling startup")
      exit(0)
    end

{
      :apply => nil,
      :waitforcert => nil,
      :detailed_exitcodes => false,
      :verbose => false,
      :debug => false,
      :centrallogs => false,
      :setdest => false,
      :resource => false,
      :facts => false,
      :target => nil,
      :to_yaml => false,
    }.each do |opt, val|
      options[opt] = val
    end

@args = {}
  end

option("--centrallogging")
  option("--debug", "-d")
  option("--resource", "-r")
  option("--facts", "-f")
  option("--to_yaml", "-y")
  option("--verbose", "-v")

option("--detailed-exitcodes") do |_arg|
    options[:detailed_exitcodes] = true
  end

option("--libdir LIBDIR") do |arg|
    options[:libdir] = arg
  end

option("--apply MANIFEST") do |arg|
    options[:apply] = arg.to_s
  end

option("--logdest DEST", "-l DEST") do |arg|
    handle_logdest_arg(arg)
  end

option("--waitforcert WAITFORCERT", "-w") do |arg|
    options[:waitforcert] = arg.to_i
  end

option("--port PORT", "-p") do |arg|
    @args[:Port] = arg
  end

option("--target DEVICE", "-t") do |arg|
    options[:target] = arg.to_s
  end

def summary
    _("Manage remote network devices")
  end

def help
    <<~HELP

puppet-device(8) -- #{summary}
      ========

SYNOPSIS
      --------
      Retrieves catalogs from the Puppet master and applies them to remote devices.

This subcommand can be run manually; or periodically using cron,
      a scheduled task, or a similar tool.

DESCRIPTION
      -----------
      Devices require a proxy Puppet agent to request certificates, collect facts,
      retrieve and apply catalogs, and store reports.

USAGE NOTES
      -----------
      Devices managed by the puppet-device subcommand on a Puppet agent are
      configured in device.conf, which is located at $confdir/device.conf by default,
      and is configurable with the $deviceconfig setting.

The device.conf file is an INI-like file, with one section per device:

[<DEVICE_CERTNAME>]
      type <TYPE>
      url <URL>
      debug

The section name specifies the certname of the device.

The values for the type and url properties are specific to each type of device.

The optional debug property specifies transport-level debugging,
      and is limited to telnet and ssh transports.

See https://puppet.com/docs/puppet/latest/config_file_device.html for details.

OPTIONS
      -------
      Note that any setting that's valid in the configuration file is also a valid
      long argument. For example, 'server' is a valid configuration parameter, so
      you can specify '--server <servername>' as an argument.

* --help, -h:
        Print this help message

* --verbose, -v:
        Turn on verbose reporting.

* --debug, -d:
        Enable full debugging.

* --logdest, -l:
        Where to send log messages. Choose between 'syslog' (the POSIX syslog
        service), 'console', or the path to a log file. If debugging or verbosity is
        enabled, this defaults to 'console'. Otherwise, it defaults to 'syslog'.
        Multiple destinations can be set using a comma separated list
        (eg: `/path/file1,console,/path/file2`)"

A path ending with '.json' will receive structured output in JSON format. The
        log file will not have an ending ']' automatically written to it due to the
        appending nature of logging. It must be appended manually to make the content
        valid JSON.

* --detailed-exitcodes:
        Provide transaction information via exit codes. If this is enabled, an exit
        code of '1' means at least one device had a compile failure, an exit code of
        '2' means at least one device had resource changes, and an exit code of '4'
        means at least one device had resource failures. Exit codes of '3', '5', '6',
        or '7' means that a bitwise combination of the preceding exit codes happened.

* --deviceconfig:
        Path to the device config file for puppet device.
        Default: $confdir/device.conf

* --waitforcert, -w:
        This option only matters for targets that do not yet have certificates
        and it is enabled by default, with a value of 120 (seconds).  This causes
        +puppet device+ to poll the server every 2 minutes and ask it to sign a
        certificate request.  This is useful for the initial setup of a target.
        You can turn off waiting for certificates by specifying a time of 0.

* --libdir:
        Override the per-device libdir with a local directory. Specifying a libdir also
        disables pluginsync. This is useful for testing.

A path ending with '.jsonl' will receive structured output in JSON Lines
        format.

* --apply:
        Apply a manifest against a remote target. Target must be specified.

* --facts:
        Displays the facts of a remote target. Target must be specified.

* --resource:
        Displays a resource state as Puppet code, roughly equivalent to
        `puppet resource`.  Can be filtered by title. Requires --target be specified.

* --target:
        Target a specific device/certificate in the device.conf. Doing so will perform a
        device run against only that device/certificate.

* --to_yaml:
        Output found resources in yaml format, suitable to use with Hiera and
        create_resources.

* --user:
        The user to run as.

EXAMPLE
      -------
            $ puppet device --target remotehost --verbose

AUTHOR
      ------
      Brice Figureau

COPYRIGHT
      ---------
      Copyright (c) 2011-2018 Puppet Inc., LLC
      Licensed under the Apache 2.0 License
    HELP
  end

def main
    if options[:resource] and !options[:target]
      raise _("resource command requires target")
    end
    if options[:facts] and !options[:target]
      raise _("facts command requires target")
    end

unless options[:apply].nil?
      raise _("missing argument: --target is required when using --apply") if options[:target].nil?
      raise _("%{file} does not exist, cannot apply") % { file: options[:apply] } unless File.file?(options[:apply])
    end
    libdir = Puppet[:libdir]
    vardir = Puppet[:vardir]
    confdir = Puppet[:confdir]
    ssldir = Puppet[:ssldir]
    certname = Puppet[:certname]

env = Puppet::Node::Environment.remote(Puppet[:environment])
    returns = Puppet.override(:current_environment => env, :loaders => Puppet::Pops::Loaders.new(env)) do
      # find device list
      require_relative '../../puppet/util/network_device/config'
      devices = Puppet::Util::NetworkDevice::Config.devices.dup
      if options[:target]
        devices.select! { |key, _value| key == options[:target] }
      end
      if devices.empty?
        if options[:target]
          raise _("Target device / certificate '%{target}' not found in %{config}") % { target: options[:target], config: Puppet[:deviceconfig] }
        else
          Puppet.err _("No device found in %{config}") % { config: Puppet[:deviceconfig] }
          exit(1)
        end
      end
      devices.collect do |_devicename, device|
        # TODO when we drop support for ruby < 2.5 we can remove the extra block here

device_url = URI.parse(device.url)
        # Handle nil scheme & port
        scheme = "#{device_url.scheme}://" if device_url.scheme
        port = ":#{device_url.port}" if device_url.port

# override local $vardir and $certname
        Puppet[:ssldir] = ::File.join(Puppet[:deviceconfdir], device.name, 'ssl')
        Puppet[:confdir] = ::File.join(Puppet[:devicedir], device.name)
        Puppet[:libdir] = options[:libdir] || ::File.join(Puppet[:devicedir], device.name, 'lib')
        Puppet[:vardir] = ::File.join(Puppet[:devicedir], device.name)
        Puppet[:certname] = device.name
        ssl_context = nil

# create device directory under $deviceconfdir
        Puppet::FileSystem.dir_mkpath(Puppet[:ssldir]) unless Puppet::FileSystem.dir_exist?(Puppet[:ssldir])

# this will reload and recompute default settings and create device-specific sub vardir
        Puppet.settings.use :main, :agent, :ssl

# Workaround for PUP-8736: store ssl certs outside the cache directory to prevent accidental removal and keep the old path as symlink
        optssldir = File.join(Puppet[:confdir], 'ssl')
        Puppet::FileSystem.symlink(Puppet[:ssldir], optssldir) unless Puppet::FileSystem.exist?(optssldir)

unless options[:resource] || options[:facts] || options[:apply]
          # Since it's too complicated to fix properly in the default settings, we workaround for PUP-9642 here.
          # See https://github.com/puppetlabs/puppet/pull/7483#issuecomment-483455997 for details.
          # This has to happen after `settings.use` above, so the directory is created and before `setup_host` below, where the SSL
          # routines would fail with access errors
          if Puppet.features.root? && !Puppet::Util::Platform.windows?
            user = Puppet::Type.type(:user).new(name: Puppet[:user]).exists? ? Puppet[:user] : nil
            group = Puppet::Type.type(:group).new(name: Puppet[:group]).exists? ? Puppet[:group] : nil
            Puppet.debug("Fixing perms for #{user}:#{group} on #{Puppet[:confdir]}")
            FileUtils.chown(user, group, Puppet[:confdir]) if user || group
          end

ssl_context = setup_context

unless options[:libdir]
            Puppet.override(ssl_context: ssl_context) do
              Puppet::Configurer::PluginHandler.new.download_plugins(env) if Puppet::Configurer.should_pluginsync?
            end
          end
        end

# this inits the device singleton, so that the facts terminus
        # and the various network_device provider can use it
        Puppet::Util::NetworkDevice.init(device)

if options[:resource]
          type, name = parse_args(command_line.args)
          Puppet.info _("retrieving resource: %{resource} from %{target} at %{scheme}%{url_host}%{port}%{url_path}") % { resource: type, target: device.name, scheme: scheme, url_host: device_url.host, port: port, url_path: device_url.path }
          resources = find_resources(type, name)
          if options[:to_yaml]
            data = resources.map do |resource|
              resource.prune_parameters(:parameters_to_include => @extra_params).to_hiera_hash
            end.inject(:merge!)
            text = YAML.dump(type.downcase => data)
          else
            text = resources.map do |resource|
              resource.prune_parameters(:parameters_to_include => @extra_params).to_manifest.force_encoding(Encoding.default_external)
            end.join("\n")
          end
          (puts text)
          0
        elsif options[:facts]
          Puppet.info _("retrieving facts from %{target} at %{scheme}%{url_host}%{port}%{url_path}") % { resource: type, target: device.name, scheme: scheme, url_host: device_url.host, port: port, url_path: device_url.path }
          remote_facts = Puppet::Node::Facts.indirection.find(name, :environment => env)
          # Give a proper name to the facts
          remote_facts.name = remote_facts.values['clientcert']
          renderer = Puppet::Network::FormatHandler.format(:console)
          puts renderer.render(remote_facts)
          0
        elsif options[:apply]
          # avoid reporting to server
          Puppet::Transaction::Report.indirection.terminus_class = :yaml
          Puppet::Resource::Catalog.indirection.cache_class = nil

require_relative '../../puppet/application/apply'
          begin
            Puppet[:node_terminus] = :plain
            Puppet[:catalog_terminus] = :compiler
            Puppet[:catalog_cache_terminus] = nil
            Puppet[:facts_terminus] = :network_device
            Puppet.override(:network_device => true) do
              Puppet::Application::Apply.new(Puppet::Util::CommandLine.new('puppet', ["apply", options[:apply]])).run_command
            end
          end
        else
          Puppet.info _("starting applying configuration to %{target} at %{scheme}%{url_host}%{port}%{url_path}") % { target: device.name, scheme: scheme, url_host: device_url.host, port: port, url_path: device_url.path }

overrides = {}
          overrides[:ssl_context] = ssl_context if ssl_context
          Puppet.override(overrides) do
            configurer = Puppet::Configurer.new
            configurer.run(:network_device => true, :pluginsync => false)
          end
        end
      rescue => detail
        Puppet.log_exception(detail)
        # If we rescued an error, then we return 1 as the exit code
        1
      ensure
        Puppet[:libdir] = libdir
        Puppet[:vardir] = vardir
        Puppet[:confdir] = confdir
        Puppet[:ssldir] = ssldir
        Puppet[:certname] = certname
      end
    end

if !returns or returns.compact.empty?
      exit(1)
    elsif options[:detailed_exitcodes]
      # Bitwise OR the return codes together, puppet style
      exit(returns.compact.reduce(:|))
    elsif returns.include? 1
      exit(1)
    else
      exit(0)
    end
  end

def parse_args(args)
    type = args.shift or raise _("You must specify the type to display")
    Puppet::Type.type(type) or raise _("Could not find type %{type}") % { type: type }
    name = args.shift

[type, name]
  end

def find_resources(type, name)
    key = [type, name].join('/')

if name
      [Puppet::Resource.indirection.find(key)]
    else
      Puppet::Resource.indirection.search(key, {})
    end
  end

def setup_context
    waitforcert = options[:waitforcert] || (Puppet[:onetime] ? 0 : Puppet[:waitforcert])
    sm = Puppet::SSL::StateMachine.new(waitforcert: waitforcert)
    sm.ensure_client_certificate
  end

def setup
    setup_logs

Puppet::SSL::Oids.register_puppet_oids

# setup global device-specific defaults; creates all necessary directories, etc
    Puppet.settings.use :main, :agent, :device, :ssl

if options[:apply] || options[:facts] || options[:resource]
      Puppet::Util::Log.newdestination(:console)
    else
      args[:Server] = Puppet[:server]
      if options[:centrallogs]
        logdest = args[:Server]

logdest += ":" + args[:Port] if args.include?(:Port)
        Puppet::Util::Log.newdestination(logdest)
      end

Puppet::Transaction::Report.indirection.terminus_class = :rest

if Puppet[:catalog_cache_terminus]
        Puppet::Resource::Catalog.indirection.cache_class = Puppet[:catalog_cache_terminus].intern
      end
    end
  end
end

文件操作 - device.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/application/device.rb

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