Class: Chef::Knife::Core::BootstrapContext

Inherits:
Object
  • Object
show all
Defined in:
lib/chef/knife/core/bootstrap_context.rb

Overview

Instances of BootstrapContext are the context objects (i.e., +self+) for bootstrap templates. For backwards compatibility, they +must+ set the following instance variables:

  • @config - a hash of knife's config values
  • @run_list - the run list for the node to bootstrap

Direct Known Subclasses

WindowsBootstrapContext

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, run_list, chef_config, secret = nil) ⇒ BootstrapContext

Returns a new instance of BootstrapContext.


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 39

def initialize(config, run_list, chef_config, secret = nil)
  @config       = config
  @run_list     = run_list
  @chef_config  = chef_config
  @secret       = secret
end

Instance Attribute Details

#chef_configObject

Returns the value of attribute chef_config


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 37

def chef_config
  @chef_config
end

#client_pemObject

Returns the value of attribute client_pem


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 35

def client_pem
  @client_pem
end

#configObject

Returns the value of attribute config


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 36

def config
  @config
end

Instance Method Details

#bootstrap_environmentObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 46

def bootstrap_environment
  config[:environment]
end

#client_dObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 59

def client_d
  @client_d ||= client_d_content
end

#config_contentObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 91

def config_content
  client_rb = <<~CONFIG
    chef_server_url  "#{chef_config[:chef_server_url]}"
    validation_client_name "#{chef_config[:validation_client_name]}"
  CONFIG

  unless chef_config[:chef_license].nil?
    client_rb << "chef_license \"#{chef_config[:chef_license]}\"\n"
  end

  unless chef_config[:config_log_level].nil? || chef_config[:config_log_level].empty?
    client_rb << %Q{log_level   :#{chef_config[:config_log_level]}\n}
  end

  client_rb << "log_location   #{get_log_location}\n"

  if config[:chef_node_name]
    client_rb << %Q{node_name "#{config[:chef_node_name]}"\n}
  else
    client_rb << "# Using default node name (fqdn)\n"
  end

  # We configure :verify_api_cert only when it's overridden on the CLI
  # or when specified in the knife config.
  if !config[:node_verify_api_cert].nil? || config.key?(:verify_api_cert)
    value = config[:node_verify_api_cert].nil? ? config[:verify_api_cert] : config[:node_verify_api_cert]
    client_rb << %Q{verify_api_cert #{value}\n}
  end

  # We configure :ssl_verify_mode only when it's overridden on the CLI
  # or when specified in the knife config.
  if config[:node_ssl_verify_mode] || config.key?(:ssl_verify_mode)
    value = case config[:node_ssl_verify_mode]
            when "peer"
              :verify_peer
            when "none"
              :verify_none
            when nil
              config[:ssl_verify_mode]
            else
              nil
            end

    if value
      client_rb << %Q{ssl_verify_mode :#{value}\n}
    end
  end

  if config[:ssl_verify_mode]
    client_rb << %Q{ssl_verify_mode :#{config[:ssl_verify_mode]}\n}
  end

  if config[:bootstrap_proxy]
    client_rb << %Q{http_proxy        "#{config[:bootstrap_proxy]}"\n}
    client_rb << %Q{https_proxy       "#{config[:bootstrap_proxy]}"\n}
  end

  if config[:bootstrap_proxy_user]
    client_rb << %Q{http_proxy_user   "#{config[:bootstrap_proxy_user]}"\n}
    client_rb << %Q{https_proxy_user  "#{config[:bootstrap_proxy_user]}"\n}
  end

  if config[:bootstrap_proxy_pass]
    client_rb << %Q{http_proxy_pass   "#{config[:bootstrap_proxy_pass]}"\n}
    client_rb << %Q{https_proxy_pass  "#{config[:bootstrap_proxy_pass]}"\n}
  end

  if config[:bootstrap_no_proxy]
    client_rb << %Q{no_proxy       "#{config[:bootstrap_no_proxy]}"\n}
  end

  if encrypted_data_bag_secret
    client_rb << %Q{encrypted_data_bag_secret "/etc/chef/encrypted_data_bag_secret"\n}
  end

  unless trusted_certs.empty?
    client_rb << %Q{trusted_certs_dir "/etc/chef/trusted_certs"\n}
  end

  if chef_config[:fips]
    client_rb << "fips true\n"
  end

  unless chef_config[:file_cache_path].nil?
    client_rb << "file_cache_path \"#{chef_config[:file_cache_path]}\"\n"
  end

  unless chef_config[:file_backup_path].nil?
    client_rb << "file_backup_path \"#{chef_config[:file_backup_path]}\"\n"
  end

  client_rb
end

#encrypted_data_bag_secretObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 63

def encrypted_data_bag_secret
  @secret
end

#first_bootObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 213

def first_boot
  (config[:first_boot_attributes] = Mash.new(config[:first_boot_attributes]) || Mash.new).tap do |attributes|
    if config[:policy_name] && config[:policy_group]
      attributes[:policy_name] = config[:policy_name]
      attributes[:policy_group] = config[:policy_group]
    else
      attributes[:run_list] = @run_list
    end
    attributes.delete(:run_list) if attributes[:policy_name] && !attributes[:policy_name].empty?
    attributes.merge!(tags: config[:tags]) if config[:tags] && !config[:tags].empty?
  end
end

#get_log_locationObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 73

def get_log_location
  if !(chef_config[:config_log_location].class == IO ) && (chef_config[:config_log_location].nil? || chef_config[:config_log_location].to_s.empty?)
    "STDOUT"
  elsif chef_config[:config_log_location].equal?(:win_evt)
    raise "The value :win_evt is not supported for config_log_location on Linux Platforms \n"
  elsif chef_config[:config_log_location].equal?(:syslog)
    ":syslog"
  elsif chef_config[:config_log_location].equal?(STDOUT)
    "STDOUT"
  elsif chef_config[:config_log_location].equal?(STDERR)
    "STDERR"
  elsif chef_config[:config_log_location]
    %Q{"#{chef_config[:config_log_location]}"}
  else
    "STDOUT"
  end
end

#start_chefObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 185

def start_chef
  # If the user doesn't have a client path configure, let bash use the PATH for what it was designed for
  client_path = chef_config[:chef_client_path] || "#{Chef::Dist::CLIENT}"
  s = "#{client_path} -j /etc/chef/first-boot.json"
  if config[:verbosity] && config[:verbosity] >= 3
    s << " -l trace"
  elsif config[:verbosity] && config[:verbosity] >= 2
    s << " -l debug"
  end
  s << " -E #{bootstrap_environment}" unless bootstrap_environment.nil?
  s << " --no-color" unless config[:color]
  s
end

#trusted_certsObject

TODO:

Rename to trusted_certs_script

Contains commands and content, see trusted_certs_content


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 69

def trusted_certs
  @trusted_certs ||= trusted_certs_content
end

#validation_keyObject


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 50

def validation_key
  if chef_config[:validation_key] &&
      File.exist?(File.expand_path(chef_config[:validation_key]))
    IO.read(File.expand_path(chef_config[:validation_key]))
  else
    false
  end
end

#version_to_installString

Returns the version of Chef to install (as recognized by the Omnitruck API)

Returns:

  • (String)

    download version string


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# File 'lib/chef/knife/core/bootstrap_context.rb', line 203

def version_to_install
  return config[:bootstrap_version] if config[:bootstrap_version]

  if config[:channel] == "stable"
    Chef::VERSION.split(".").first
  else
    "latest"
  end
end