Class: Pero::Puppet

Inherits:
Object
  • Object
show all
Extended by:
SshExecutable
Defined in:
lib/pero/puppet.rb,
lib/pero/puppet/base.rb,
lib/pero/puppet/redhat.rb

Defined Under Namespace

Classes: Base, Redhat

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SshExecutable

ssh_exec!

Constructor Details

#initialize(host, options, mutex) ⇒ Puppet

Returns a new instance of Puppet.



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# File 'lib/pero/puppet.rb', line 27

def initialize(host, options, mutex)
  @options = options.dup
  @mutex = mutex

  @options[:host] = host
  so = ssh_options

  so.delete(:strict_host_key_checking) unless Net::SSH::VALID_OPTIONS.include?(:strict_host_key_checking)

  @specinfra = Specinfra::Backend::Ssh.new(
    request_pty: true,
    host: so[:host_name],
    ssh_options: so,
    disable_sudo: false
  )
end

Instance Attribute Details

#specinfra ⇒ Object (readonly)

Returns the value of attribute specinfra.



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# File 'lib/pero/puppet.rb', line 25

def specinfra
  @specinfra
end

Instance Method Details

#apply ⇒ Object 



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# File 'lib/pero/puppet.rb', line 121

def apply
  serve_master do |container|
    port = container.info['Ports'].first['PublicPort']
    https = Net::HTTP.new('localhost', port)
    https.use_ssl = true
    https.verify_mode = OpenSSL::SSL::VERIFY_NONE
    https.start do
      https.delete('/puppet-admin-api/v1/environment-cache')
    end

    begin
      tmpdir = container.info['id'][0..5]
      in_ssh_forwarding(port) do |host, ssh|
        Pero.log.info "#{host}:puppet cmd[#{puppet_cmd}]"
        cmd = "mkdir -p /tmp/puppet/#{tmpdir} && unshare -m -- /bin/bash -c 'export PATH=$PATH:/opt/puppetlabs/bin/ && \
                       mkdir -p `puppet config print ssldir` && mount --bind /tmp/puppet/#{tmpdir} `puppet config print ssldir` && \
                       #{puppet_cmd}'"
        Pero.log.debug "run cmd:#{cmd}"
        ssh_exec(ssh, host, cmd)

        if @options['one-shot']
          cmd = "/bin/rm -rf /tmp/puppet/#{tmpdir}"
          ssh_exec(ssh, host, cmd)
        end

        ssh.loop { true } if ENV['PERO_DEBUG']
      end
    rescue StandardError => e
      Pero.log.error "puppet apply error:#{e.inspect}"
    end
  end

  Pero::History::Attribute.new(specinfra, @options).save
end

#docker ⇒ Object 



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# File 'lib/pero/puppet.rb', line 110

def docker
  Pero::Docker.new(@options['server-version'], @options['image-name'], @options['environment'], @options['volumes'])
end

#in_ssh_forwarding(port) ⇒ Object 



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# File 'lib/pero/puppet.rb', line 192

def in_ssh_forwarding(port)
  options = specinfra.get_config(:ssh_options)

  options.delete(:strict_host_key_checking) unless Net::SSH::VALID_OPTIONS.include?(:strict_host_key_checking)

  Pero.log.info "start forwarding #{specinfra.get_config(:host)}:8140 => localhost:#{port}"
  Net::SSH.start(
    specinfra.get_config(:host),
    options[:user],
    options
  ) do |ssh|
    ssh.forward.remote(port, 'localhost', 8140)
    yield specinfra.get_config(:host), ssh
  end
end

#install ⇒ Object 



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# File 'lib/pero/puppet.rb', line 81

def install
  osi = specinfra.os_info
  os = case osi[:family]
       when 'redhat'
         Redhat.new(specinfra, osi)
       else
         raise 'sorry unsupport os, please pull request!!!'
       end
  os.install(@options['agent-version']) if @options['agent-version']
  Pero::History::Attribute.new(specinfra, @options).save
end

#parse_puppet_option(options) ⇒ Object 



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# File 'lib/pero/puppet.rb', line 182

def parse_puppet_option(options)
  ret = ''
  %w[noop verbose test].each do |n|
    ret << " --#{n}" if options[n]
  end
  ret << " --tags #{options['tags'].join(',')}" if options['tags']
  ret << " --environment #{options['environment']}" if options['environment']
  ret
end

#puppet_cmd ⇒ Object 



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# File 'lib/pero/puppet.rb', line 174

def puppet_cmd
  if Gem::Version.new('5.0.0') > Gem::Version.new(@options['agent-version'])
    "puppet agent --no-daemonize --onetime #{parse_puppet_option(@options)} --ca_port 8140 --ca_server localhost --masterport 8140 --server localhost"
  else
    "/opt/puppetlabs/bin/puppet agent --no-daemonize --onetime #{parse_puppet_option(@options)} --ca_server localhost --masterport 8140 --server localhost"
  end
end

#run_container ⇒ Object 



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# File 'lib/pero/puppet.rb', line 114

def run_container
  @mutex.lock
  docker.alerady_run? || docker.run
ensure
  @mutex.unlock
end

#serve_master ⇒ Object 



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# File 'lib/pero/puppet.rb', line 100

def serve_master
  container = run_container
  begin
    yield container
  rescue StandardError => e
    Pero.log.error e.inspect
    raise e
  end
end

#ssh_exec(ssh, host, cmd) ⇒ Object 



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# File 'lib/pero/puppet.rb', line 156

def ssh_exec(ssh, host, cmd)
  ssh.open_channel do |ch|
    ch.request_pty
    ch.on_data do |_ch, data|
      Pero.log.info "#{host}:#{data.chomp}"
    end

    ch.on_extended_data do |_c, _type, data|
      Pero.log.error "#{host}:#{data.chomp}"
    end

    ch.exec specinfra.build_command(cmd) do |_ch, success|
      raise "could not execute #{cmd}" unless success
    end
  end
  ssh.loop
end

#ssh_options ⇒ Object

refs: github.com/itamae-kitchen/itamae



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# File 'lib/pero/puppet.rb', line 45

def ssh_options
  opts = {}
  opts[:host_name] = @options[:host]

  # from ssh-config
  ssh_config_files = @options['ssh_config'] ? [@options['ssh_config']] : Net::SSH::Config.default_files
  opts.merge!(Net::SSH::Config.for(@options['host'], ssh_config_files))
  opts[:user] = @options['user'] || opts[:user] || Etc.getlogin
  opts[:password] = @options['password'] if @options['password']
  opts[:keys] = [@options['key']] if @options['key']
  opts[:port] = @options['port'] if @options['port']
  opts[:timeout] = @options['timeout'] if @options['timeout']

  if @options['vagrant']
    config = Tempfile.new('', Dir.tmpdir)
    hostname = opts[:host_name] || 'default'
    vagrant_cmd = "vagrant ssh-config #{hostname} > #{config.path}"
    if defined?(Bundler)
      Bundler.with_clean_env do
        `#{vagrant_cmd}`
      end
    else
      `#{vagrant_cmd}`
    end
    opts.merge!(Net::SSH::Config.for(hostname, [config.path]))
  end

  if @options['ask_password']
    print 'password: '
    password = STDIN.noecho(&:gets).strip
    print "\n"
    opts.merge!(password: password)
  end
  opts
end

#stop_master ⇒ Object 



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# File 'lib/pero/puppet.rb', line 93

def stop_master
  @mutex.lock
  run_container.kill if docker.alerady_run?
ensure
  @mutex.unlock
end