Class: Percheron::Stack

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/percheron/stack.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, stack_name) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/percheron/stack.rb', line 9

def initialize(config, stack_name)
  @config = config
  @stack_name = stack_name
  self
end

Class Method Details

.get(config, name = nil) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 15

def self.get(config, name = nil)
  stacks = name.nil? ? config.stacks : { name => config.stacks[name] }
  stacks.each_with_object({}) do |stack_config, all|
    stack_name = stack_config.shift
    stack = new(config, stack_name)
    all[stack.name] = stack
  end
end

Instance Method Details

#build!(unit_names: [], usecache: true, forcerm: false) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 72

def build!(unit_names: [], usecache: true, forcerm: false)
  unit_names = stack_units.keys if unit_names.empty?
  unit_names = needed_units_for(unit_names)
  exec_on_needed_units_for(unit_names) do |unit|
    Actions::Build.new(unit, usecache: usecache, forcerm: forcerm).execute!
  end
  nil
end

#create!(unit_names: [], build: true, start: false, deep: false, force: false) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 81

def create!(unit_names: [], build: true, start: false, deep: false, force: false)
  opts = { build: build, start: start, force: force }
  unit_names = if deep
                 unit_names = stack_units.keys if unit_names.empty?
                 needed_units_for(unit_names)
               else
                 filter_unit_names(unit_names)
               end
  execute!(Actions::Create, unit_names, opts)
end

#execute!(klass, unit_names, args = nil) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 97

def execute!(klass, unit_names, args=nil)
  exec_on_needed_units_for(unit_names) do |unit|
    args ? klass.new(unit, args).execute! : klass.new(unit).execute!
  end
  nil
end

#graph!(file) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 39

def graph!(file)
  Graph.new(self).save!(file)
  $logger.info "Saved '%s'" % [ file ]
end

#logs!(unit_name, follow: false) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 48

def logs!(unit_name, follow: false)
  Actions::Logs.new(unit_from_name(unit_name), follow: follow).execute!
end

#metastore_key ⇒ Object 



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# File 'lib/percheron/stack.rb', line 24

def metastore_key
  @metastore_key ||= 'stacks.%s' % [ name ]
end

#purge!(unit_names: [], force: false) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 92

def purge!(unit_names: [], force: false)
  unit_names = stack_units.keys if unit_names.empty?
  execute!(Actions::Purge, filter_unit_names(unit_names).reverse, force: force)
end

#restart!(unit_names: []) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 67

def restart!(unit_names: [])
  unit_names = stack_units.keys if unit_names.empty?
  execute!(Actions::Restart, filter_unit_names(unit_names))
end

#shell!(unit_name, raw_command: Percheron::Actions::Shell::DEFAULT_COMMAND) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 44

def shell!(unit_name, raw_command: Percheron::Actions::Shell::DEFAULT_COMMAND)
  Actions::Shell.new(unit_from_name(unit_name), raw_command: raw_command).execute!
end

#start!(unit_names: []) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 57

def start!(unit_names: [])
  unit_names = stack_units.keys if unit_names.empty?
  unit_names = needed_units_for(unit_names)
  exec_on_needed_units_for(unit_names) do |unit|
    needed_units = unit.startable_needed_units.values
    Actions::Start.new(unit, needed_units: needed_units).execute!
  end
  nil
end

#stop!(unit_names: []) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 52

def stop!(unit_names: [])
  unit_names = stack_units.keys if unit_names.empty?
  execute!(Actions::Stop, filter_unit_names(unit_names).reverse)
end

#unit_configs ⇒ Object 



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# File 'lib/percheron/stack.rb', line 28

def unit_configs
  stack_config.units
end

#units(unit_names = []) ⇒ Object 



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# File 'lib/percheron/stack.rb', line 32

def units(unit_names = [])
  unit_names = unit_names.empty? ? stack_units.keys : unit_names
  unit_names.each_with_object({}) do |unit_name, all|
    all[unit_name] = unit_from_name(unit_name)
  end
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/percheron/stack.rb', line 104

def valid?
  Validators::Stack.new(self).valid?
end