Class: Chef::Provisioning::ConvergenceStrategy::InstallSh

Inherits:
PrecreateChefObjects show all
Defined in:
lib/chef/provisioning/convergence_strategy/install_sh.rb

Constant Summary collapse

@@install_sh_cache = 
{}

Instance Attribute Summary collapse

Attributes inherited from Chef::Provisioning::ConvergenceStrategy

#config, #convergence_options

Instance Method Summary collapse

Methods inherited from PrecreateChefObjects

#chef_server, #cleanup_convergence

Methods inherited from Chef::Provisioning::ConvergenceStrategy

#cleanup_convergence

Constructor Details

#initialize(convergence_options, config) ⇒ InstallSh

Returns a new instance of InstallSh.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 10

def initialize(convergence_options, config)
  convergence_options = Cheffish::MergedConfig.new(convergence_options, {
    :client_rb_path => '/etc/chef/client.rb',
    :client_pem_path => '/etc/chef/client.pem'
  })
  super(convergence_options, config)
  @install_sh_url = convergence_options[:install_sh_url] || 'https://www.chef.io/chef/install.sh'
  @install_sh_path = convergence_options[:install_sh_path] || '/tmp/chef-install.sh'
  @chef_version = convergence_options[:chef_version]
  @prerelease = convergence_options[:prerelease]
  @install_sh_arguments = convergence_options[:install_sh_arguments]
  @bootstrap_env = convergence_options[:bootstrap_proxy] ? "http_proxy=#{convergence_options[:bootstrap_proxy]} https_proxy=$http_proxy " : ""
  @chef_client_timeout = convergence_options.has_key?(:chef_client_timeout) ? convergence_options[:chef_client_timeout] : 120*60 # Default: 2 hours
end

Instance Attribute Details

#bootstrap_env ⇒ Object (readonly)

Returns the value of attribute bootstrap_env.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 30

def bootstrap_env
  @bootstrap_env
end

#chef_version ⇒ Object (readonly)

Returns the value of attribute chef_version.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 25

def chef_version
  @chef_version
end

#install_sh_arguments ⇒ Object (readonly)

Returns the value of attribute install_sh_arguments.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 29

def install_sh_arguments
  @install_sh_arguments
end

#install_sh_path ⇒ Object (readonly)

Returns the value of attribute install_sh_path.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 28

def install_sh_path
  @install_sh_path
end

#install_sh_url ⇒ Object (readonly)

Returns the value of attribute install_sh_url.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 27

def install_sh_url
  @install_sh_url
end

#prerelease ⇒ Object (readonly)

Returns the value of attribute prerelease.



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 26

def prerelease
  @prerelease
end

Instance Method Details

#converge(action_handler, machine) ⇒ Object 



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 86

def converge(action_handler, machine)
  super

  action_handler.open_stream(machine.node['name']) do |stdout|
    action_handler.open_stream(machine.node['name']) do |stderr|
      command_line = "chef-client"
      command_line << " -l #{config[:log_level].to_s}" if config[:log_level]
      machine.execute(action_handler, command_line,
        :stream_stdout => stdout,
        :stream_stderr => stderr,
        :timeout => @chef_client_timeout)
    end
  end
end

#install_sh_command_line ⇒ Object 



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 32

def install_sh_command_line
  arguments = install_sh_arguments ? " #{install_sh_arguments}" : ""
  arguments << " -v #{chef_version}" if chef_version
  arguments << " -p" if prerelease
  "bash -c '#{bootstrap_env} bash #{install_sh_path}#{arguments}'"
end

#setup_convergence(action_handler, machine) ⇒ Object 



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# File 'lib/chef/provisioning/convergence_strategy/install_sh.rb', line 39

def setup_convergence(action_handler, machine)
  super

  # Check for existing chef client.
  version = machine.execute_always('chef-client -v')

  # Don't do install/upgrade if a chef client exists and
  # no chef version is defined by user configs or
  # the chef client's version already matches user config
  if version.exitstatus == 0
    version = version.stdout.strip
    if !chef_version
      return
    # This logic doesn't cover the case for a client with 12.0.1.dev.0 => 12.0.1
    # so we decided to just use exact version for the time being (see comments in PR 303)
    #elsif version.stdout.strip =~ /Chef: #{chef_version}([^0-9]|$)/
    elsif version =~ /Chef: #{chef_version}$/
      Chef::Log.debug "Already installed chef version #{version}"
      return
    elsif version.include?(chef_version)
      Chef::Log.warn "Installed chef version #{version} contains desired version #{chef_version}.  " +
        "If you see this message on consecutive chef runs tighten your desired version constraint to prevent " +
        "multiple convergence."
    end
  end

  # Install chef client
  # TODO ssh verification of install.sh before running arbtrary code would be nice?
  if !convergence_options[:bootstrap_proxy] || convergence_options[:bootstrap_proxy].empty?
    @@install_sh_cache[install_sh_url] ||= Net::HTTP.get(URI(install_sh_url))
  else
    @@install_sh_cache[install_sh_url] ||= begin
      proxy_uri = URI.parse(convergence_options[:bootstrap_proxy])
      chef_uri  = URI.parse(@install_sh_url)
      proxy     = Net::HTTP::Proxy(proxy_uri.host, proxy_uri.port, proxy_uri.user, proxy_uri.password)
      req       = Net::HTTP::Get.new(chef_uri.path)
      script    = proxy.start(chef_uri.host, :use_ssl => proxy_uri.scheme == 'https') do |http|
        http.request(req)
      end
      script.body
    end
  end
  machine.write_file(action_handler, install_sh_path, @@install_sh_cache[install_sh_url], :ensure_dir => true)
  # TODO handle bad version case better
  machine.execute(action_handler, install_sh_command_line)
end