Class: HP::Cloud::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/hpcloud/config.rb

Constant Summary collapse

KNOWN = 
[ :default_auth_uri,
  :connect_timeout,
  :read_timeout,
  :write_timeout,
  :preferred_flavor,
  :preferred_image,
  :ssl_verify_peer,
  :ssl_ca_path,
  :ssl_ca_file,
  :default_account,
  :storage_page_length,
  :storage_segment_size,
  :storage_chunk_size,
  :storage_max_size,
  :report_page_length,
  :checker_url,
  :checker_deferment
]
@@home = 
nil

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ignore = false) ⇒ Config

Returns a new instance of Config.



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# File 'lib/hpcloud/config.rb', line 48

def initialize(ignore=false)
  if @@home.nil?
    @@home = ENV['HOME']
  end
  @directory = @@home + "/.hpcloud/"
  @file = @directory + "config.yml"
  @file_settings = {}
  @settings = {}
  begin
    read()
  rescue Exception => e
    if ignore
      warn e.to_s
    else
      raise e
    end
  end
end

Instance Attribute Details

#directory ⇒ Object (readonly)

Returns the value of attribute directory.



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# File 'lib/hpcloud/config.rb', line 28

def directory
  @directory
end

#file ⇒ Object (readonly)

Returns the value of attribute file.



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# File 'lib/hpcloud/config.rb', line 28

def file
  @file
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/hpcloud/config.rb', line 28

def settings
  @settings
end

Class Method Details

.default_config ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 71

def self.default_config
  return { :default_auth_uri => 'https://region-a.geo-1.identity.hpcloudsvc.com:35357/v2.0/',
           :default_account => 'hp'
         }
end

.default_options ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 77

def self.default_options
  return { :connect_timeout => 30,
           :read_timeout => 240,
           :write_timeout => 240,
           :preferred_flavor => 100,
           :ssl_verify_peer => true,
           :ssl_ca_path => nil,
           :ssl_ca_file => nil,
           :default_account => 'hp',
           :checker_url => 'https://region-a.geo-1.objects.hpcloudsvc.com:443/v1/89388614989714/documentation-downloads/unixcli/latest',
           :checker_deferment => 604800,
         }
end

.get_known ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 91

def self.get_known
  ret = ""
  KNOWN.each{|key| ret += "\n" + key.to_s }
  return ret
end

.home_directory=(dir) ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 67

def self.home_directory=(dir)
  @@home = dir
end

.split(nvp) ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/hpcloud/config.rb', line 97

def self.split(nvp)
  begin
    kv = nvp.split('=')
    if kv.length == 2
      return kv[0], kv[1]
    end
    if nvp[-1,1] == '='
      return kv[0], ''
    end
  rescue Exception => e
  end
  raise Exception.new("Invalid name value pair: '#{nvp}'")
end

Instance Method Details

#get(key) ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 154

def get(key)
  return @settings[key.to_sym]
end

#get_i(key, default_value) ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 158

def get_i(key, default_value)
  begin
    value = @settings[key.to_sym].to_i
    return default_value if value == 0
    return value
  rescue
  end
  return default_value
end

#list ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 111

def list
  return @settings.to_yaml.gsub(/---\n/,'').gsub(/^:/,'')
end

#read ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 115

def read
  cfg = Config.default_config()
  if File.exists?(@file)
    begin
      @file_settings = YAML::load(File.open(@file))
      @settings = @file_settings.clone
      raise Exception.new("File parse error") unless @settings.kind_of?(Hash)
    rescue Exception => e
      @settings = cfg
      raise Exception.new("Error reading configuration file: #{@file}\n" + e.to_s)
    end
  else
    @settings = cfg
  end
  options = Config.default_options()
  @settings[:connect_timeout] ||= options[:connect_timeout]
  @settings[:read_timeout] ||= options[:read_timeout]
  @settings[:write_timeout] ||= options[:write_timeout]
  @settings[:preferred_flavor] ||= options[:preferred_flavor]
  @settings[:connect_timeout] = @settings[:connect_timeout].to_i
  @settings[:read_timeout] = @settings[:read_timeout].to_i
  @settings[:write_timeout] = @settings[:write_timeout].to_i
  if @settings[:ssl_verify_peer].nil?
    @settings[:ssl_verify_peer] = options[:ssl_verify_peer]
  end
  if @settings[:ssl_verify_peer].to_s == "false" || @settings[:ssl_verify_peer].to_s == "no"
    @settings[:ssl_verify_peer] = false
  else
    @settings[:ssl_verify_peer] = true
  end
  @settings[:ssl_ca_path] ||= options[:ssl_ca_path]
  @settings[:ssl_ca_file] ||= options[:ssl_ca_file]
  @settings[:default_account] ||= options[:default_account]
  @settings[:checker_url] ||= options[:checker_url]
  @settings[:checker_deferment] ||= options[:checker_deferment]
  @settings[:checker_deferment] = @settings[:checker_deferment].to_i
  @settings.delete_if { |k,v| v.nil? }
end

#set(key, value) ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 168

def set(key, value)
  key = key.to_sym
  if KNOWN.include?(key) == false
    raise Exception.new("Unknown configuration key value '#{key.to_s}'")
  end
  value = value.to_s
  if value.empty?
    @file_settings.delete(key)
    @settings.delete(key)
  else
    if key.to_s == 'ssl_verify_peer'
      if value.to_s == "false" || value.to_s == "no"
        value = false
      else
        value = true
      end
    end
    @file_settings[key] = value
    @settings[key] = value
  end
  return true
end

#write ⇒ Object 



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# File 'lib/hpcloud/config.rb', line 191

def write()
  begin
    Dir.mkdir(@directory) unless File.directory?(@directory)
    @file_settings.delete_if { |k,v| v.nil? }
    File.open("#{@file}", 'w') do |file|
      file.write @file_settings.to_yaml
    end
  rescue
    raise Exception.new('Error writing configuration file: ' + @file)
  end
  return true
end