Class: SimplyGenius::Atmos::Config

Inherits:
Object
  • Object
show all
Includes:
FileUtils, GemLogger::LoggerSupport
Defined in:
lib/simplygenius/atmos/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(atmos_env, working_group = 'default', root: ENV['ATMOS_ROOT'], config: ENV['ATMOS_CONFIG']) ⇒ Config

Returns a new instance of Config.



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# File 'lib/simplygenius/atmos/config.rb', line 23

def initialize(atmos_env, working_group = 'default', root: ENV['ATMOS_ROOT'], config: ENV['ATMOS_CONFIG'])
  @atmos_env = atmos_env
  @working_group = working_group
  @root_dir = File.expand_path(root || Dir.pwd)
  @config_file = config ? File.expand_path(config, root_dir) : File.join(root_dir, "config", "atmos.yml")
  @user_config_file = "~/.atmos.yml"
  @tmp_root = File.join(root_dir, "tmp")
  @included_configs = {}
end

Instance Attribute Details

#atmos_env ⇒ Object

Returns the value of attribute atmos_env.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def atmos_env
  @atmos_env
end

#config_file ⇒ Object

Returns the value of attribute config_file.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def config_file
  @config_file
end

#root_dir ⇒ Object

Returns the value of attribute root_dir.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def root_dir
  @root_dir
end

#tmp_root ⇒ Object

Returns the value of attribute tmp_root.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def tmp_root
  @tmp_root
end

#user_config_file ⇒ Object

Returns the value of attribute user_config_file.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def user_config_file
  @user_config_file
end

#working_group ⇒ Object

Returns the value of attribute working_group.



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# File 'lib/simplygenius/atmos/config.rb', line 17

def working_group
  @working_group
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 37

def [](key)
  load
  result = @config.notation_get(key)
  return result
end

#[]=(key, value, additive: true) ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 43

def []=(key, value, additive: true)
  load
  result = @config.notation_put(key, value, additive: additive)
  return result
end

#account_hash ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 67

def 
  load
  environments = @full_config[:environments] || {}
  environments.inject(Hash.new) do |accum, entry|
    accum[entry.first] = entry.last[:account_id]
    accum
  end
end

#add_user_load_path(*paths) ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 103

def add_user_load_path(*paths)
  load_path = paths + Array(self["atmos.load_path"])
  if load_path.present?
    load_path = load_path.collect { |path| File.expand_path(path) }
    logger.debug("Adding to load path: #{load_path.inspect}")
    $LOAD_PATH.insert(0, *load_path)
  end
end

#all_env_names ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 62

def all_env_names
  load
  (@full_config[:environments] || {}).keys
end

#auth_cache_dir ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 85

def auth_cache_dir
  @auth_cache_dir ||= begin
    dir = File.join(tmp_dir, 'auth')
    logger.debug("Auth cache dir: #{dir}")
    mkdir_p(dir)
    dir
  end
end

#config_merge(lhs, rhs, debug_state = []) ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 124

def config_merge(lhs, rhs, debug_state=[])
  result = nil

  return rhs if lhs.nil?
  return lhs if rhs.nil?

  # Warn if user fat fingered config
  if lhs.is_a?(rhs.class) || rhs.is_a?(lhs.class)

    case rhs
    when Hash
      result = lhs.deep_dup

      rhs.each do |k, v|
        new_state = debug_state + [k]

        # The load sequence could have multiple overrides and its not
        # obvious to the user which are lhs vs rhs, so rather than having
        # one seem to win arbitrarily, we collect them all additively
        # under their key, then at the end of the load process we push the
        # override back as a replacement for its base key in the
        # finalize_merge method. This means that if one has multiple
        # overrides for the same key (not usually what one wants), those
        # overrides get merged together additively before replacing the
        # base.  Thus the need for the log messages below.
        #
        if k =~ /^\^/
          logger.debug { "Override seen at #{new_state.join(" -> ")}" }
          logger.warn { "Multiple overrides on a single key seen at #{new_state.join(" -> ")}" } if result.has_key?(k)
        end

        result[k] = config_merge(result[k], v, new_state)
      end

    when Enumerable
      result = lhs + rhs
    else
      result = rhs
    end

  else

    logger.warn("Type mismatch while merging in: #{debug_state.delete_at(0)}")
    logger.warn("Deep merge path: #{debug_state.join(" -> ")}")
    logger.warn("Deep merge LHS (#{lhs.class}): #{lhs.inspect}")
    logger.warn("Deep merge RHS (#{rhs.class}): #{rhs.inspect}")
    result = rhs

  end

  return result
end

#is_atmos_repo? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simplygenius/atmos/config.rb', line 33

def is_atmos_repo?
  File.exist?(config_file)
end

#plugin_manager ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 58

def plugin_manager
  @plugin_manager ||= PluginManager.new(self["atmos.plugins"])
end

#provider ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 54

def provider
  @provider ||= ProviderFactory.get(self[:provider])
end

#save_user_config_file(data, merge_to_existing: true) ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 112

def save_user_config_file(data, merge_to_existing: true)
  logger.debug("Saving to user config file (merging=#{merge_to_existing}): #{user_config_file}")

  if merge_to_existing
    existing = load_file(user_config_file, SettingsHash.new)
    data = config_merge(existing, data, ["saving #{user_config_file}"])
    data = finalize_merge(data)
  end
  File.write(user_config_file, YAML.dump(data.to_hash))
  File.chmod(0600, user_config_file)
end

#tf_working_dir ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 94

def tf_working_dir
  @tf_working_dir ||= begin
    dir = File.join(tmp_dir, 'tf', working_group)
    logger.debug("Terraform working dir: #{dir}")
    mkdir_p(dir)
    dir
  end
end

#tmp_dir ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 76

def tmp_dir
  @tmp_dir ||= begin
    dir = File.join(tmp_root, atmos_env)
    logger.debug("Tmp dir: #{dir}")
    mkdir_p(dir)
    dir
  end
end

#to_h ⇒ Object 



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# File 'lib/simplygenius/atmos/config.rb', line 49

def to_h
  load
  @config.to_hash
end