Class: VMC::Cli::Config

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

Constant Summary collapse

DEFAULT_TARGET = 
'api.vcap.me'
DEFAULT_SUGGEST = 
'vcap.me'
TARGET_FILE = 
'~/.vmc_target'
TOKEN_FILE = 
'~/.vmc_token'
INSTANCES_FILE = 
'~/.vmc_instances'
ALIASES_FILE = 
'~/.vmc_aliases'
CLIENTS_FILE = 
'~/.vmc_clients'
STOCK_CLIENTS = 
File.expand_path("../../../config/clients.yml", __FILE__)

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(work_dir = Dir.pwd) ⇒ Config

Returns a new instance of Config.



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# File 'lib/cli/config.rb', line 152

def initialize(work_dir = Dir.pwd)
  @work_dir = work_dir
end

Class Attribute Details

.colorize ⇒ Object

Returns the value of attribute colorize.



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# File 'lib/cli/config.rb', line 22

def colorize
  @colorize
end

.nozip ⇒ Object

Returns the value of attribute nozip.



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# File 'lib/cli/config.rb', line 25

def nozip
  @nozip
end

.output ⇒ Object

Returns the value of attribute output.



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# File 'lib/cli/config.rb', line 23

def output
  @output
end

.trace ⇒ Object

Returns the value of attribute trace.



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# File 'lib/cli/config.rb', line 24

def trace
  @trace
end

Class Method Details

.aliases ⇒ Object 



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# File 'lib/cli/config.rb', line 92

def aliases
  aliases_file = File.expand_path(ALIASES_FILE)
  # bacward compatible
  unless File.exists? aliases_file
    old_aliases_file = File.expand_path('~/.vmc-aliases')
    FileUtils.mv(old_aliases_file, aliases_file) if File.exists? old_aliases_file
  end
  aliases = YAML.load_file(aliases_file) rescue {}
end

.all_tokens ⇒ Object Also known as: targets 



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# File 'lib/cli/config.rb', line 54

def all_tokens
  token_file = File.expand_path(TOKEN_FILE)
  return nil unless File.exists? token_file
  contents = lock_and_read(token_file).strip
  JSON.parse(contents)
end

.auth_token ⇒ Object 



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# File 'lib/cli/config.rb', line 63

def auth_token
  return @token if @token
  tokens = all_tokens
  @token = tokens[target_url] if tokens
end

.clients ⇒ Object 



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# File 'lib/cli/config.rb', line 119

def clients
  return @clients if @clients

  stock = YAML.load_file(STOCK_CLIENTS)
  if File.exists? CLIENTS_FILE
    user = YAML.load_file(CLIENTS_FILE)
    @clients = deep_merge(stock, user)
  else
    @clients = stock
  end
end

.deep_merge(a, b) ⇒ Object 



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# File 'lib/cli/config.rb', line 107

def deep_merge(a, b)
  merge = proc do |_, old, new|
    if new.is_a?(Hash) and old.is_a?(Hash)
      old.merge(new, &merge)
    else
      new
    end
  end

  a.merge(b, &merge)
end

.instances ⇒ Object 



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# File 'lib/cli/config.rb', line 80

def instances
  instances_file = File.expand_path(INSTANCES_FILE)
  return nil unless File.exists? instances_file
  contents = lock_and_read(instances_file).strip
  JSON.parse(contents)
end

.lock_and_read(file) ⇒ Object 



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# File 'lib/cli/config.rb', line 131

def lock_and_read(file)
  File.open(file, "r") {|f|
    f.flock(File::LOCK_EX)
    contents = f.read
    f.flock(File::LOCK_UN)
    contents
  }
end

.lock_and_write(file, contents) ⇒ Object 



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# File 'lib/cli/config.rb', line 140

def lock_and_write(file, contents)
  File.open(file, File::RDWR | File::CREAT, 0600) {|f|
    f.flock(File::LOCK_EX)
    f.rewind
    f.puts contents
    f.flush
    f.truncate(f.pos)
    f.flock(File::LOCK_UN)
  }
end

.remove_token_file ⇒ Object 



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# File 'lib/cli/config.rb', line 69

def remove_token_file
  FileUtils.rm_f(File.expand_path(TOKEN_FILE))
end

.store_aliases(aliases) ⇒ Object 



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# File 'lib/cli/config.rb', line 102

def store_aliases(aliases)
  aliases_file = File.expand_path(ALIASES_FILE)
  File.open(aliases_file, 'wb') {|f| f.write(aliases.to_yaml)}
end

.store_instances(instances) ⇒ Object 



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# File 'lib/cli/config.rb', line 87

def store_instances(instances)
  instances_file = File.expand_path(INSTANCES_FILE)
  lock_and_write(instances_file, instances.to_json)
end

.store_target(target_host) ⇒ Object 



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# File 'lib/cli/config.rb', line 49

def store_target(target_host)
  target_file = File.expand_path(TARGET_FILE)
  lock_and_write(target_file, target_host)
end

.store_token(token) ⇒ Object 



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# File 'lib/cli/config.rb', line 73

def store_token(token)
  tokens = all_tokens || {}
  tokens[target_url] = token
  token_file = File.expand_path(TOKEN_FILE)
  lock_and_write(token_file, tokens.to_json)
end

.suggest_url ⇒ Object 



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# File 'lib/cli/config.rb', line 40

def suggest_url
  return @suggest_url if @suggest_url
  ha = target_url.split('.')
  ha.shift
  @suggest_url = ha.join('.')
  @suggest_url = DEFAULT_SUGGEST if @suggest_url.empty?
  @suggest_url
end

.target_url ⇒ Object 



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# File 'lib/cli/config.rb', line 27

def target_url
  return @target_url if @target_url
  target_file = File.expand_path(TARGET_FILE)
  if File.exists? target_file
    @target_url = lock_and_read(target_file).strip
  else
    @target_url  = DEFAULT_TARGET
  end
  @target_url = "http://#{@target_url}" unless /^https?/ =~ @target_url
  @target_url = @target_url.gsub(/\/+$/, '')
  @target_url
end