Class: PoolParty::Provision::BootStrapper

Inherits:
Object
  • Object
show all
Includes:
Remote
Defined in:
lib/poolparty/provision/boot_strapper.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Remote

#_nodes, #are_any_nodes_exceeding_minimum_runtime?, #are_too_few_instances_running?, #are_too_many_instances_running?, #commands, #execute!, #is_master_running?, #list_of_instances, #list_of_nodes_exceeding_minimum_runtime, #master, #netssh, #nodes, #remote_rsync_command, #remote_ssh_array, #remote_ssh_string, #rsync, #rsync_command, #rsync_storage_files_to, #rsync_storage_files_to_command, #rsync_to, #rsync_to_command, #run_command_on, #run_command_on_command, #run_command_on_instance_number, #run_local, #run_remote, #scp_array, #scp_to_command, #simplest_run_remote, #ssh_array, #ssh_command, #ssh_into, #ssh_into_instance_number, #ssh_options, #ssh_string, #target_host

Methods included from PoolParty::Pinger

included

Constructor Details

#initialize(host, opts = {}, &block) ⇒ BootStrapper

Returns a new instance of BootStrapper.



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# File 'lib/poolparty/provision/boot_strapper.rb', line 57

def initialize(host, opts={}, &block)        
  self.class.defaults.merge(opts).to_instance_variables(self)
  @target_host = host
  @cloud = opts[:cloud]
          
  instance_eval &block if block
  @cloud.call_before_bootstrap_callbacks if @cloud
  
  default_commands
  dputs "Starting bootstrapping process on #{host}"
  execute!
  
  @cloud.call_after_bootstrap_callbacks if @cloud
  after_bootstrap
  dputs "Bootstrapping complete on #{host}"
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *a, &block) ⇒ Object

In case the method is being called on ourself, let’s check the defaults hash to see if it’s available there



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# File 'lib/poolparty/provision/boot_strapper.rb', line 47

def method_missing(m,*a,&block)
  if self.class.defaults.has_key?(m) 
    self.class.defaults[m]
  elsif @cloud
    @cloud.send m, *a, &block
  else
    super
  end
end

Class Attribute Details

.defaults ⇒ Object (readonly)

Returns the value of attribute defaults.



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# File 'lib/poolparty/provision/boot_strapper.rb', line 43

def defaults
  @defaults
end

Class Method Details

.class_commands ⇒ Object 



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# File 'lib/poolparty/provision/boot_strapper.rb', line 74

def self.class_commands
  @class_commands ||= []
end

.gem_list ⇒ Object

List of gems that are default to install



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# File 'lib/poolparty/provision/boot_strapper.rb', line 15

def self.gem_list
  @gem_list ||= %w( logging
                    rake
                    xml-simple
                    net-ssh
                    net-sftp
                    net-scp
                    net-ssh-gateway
                    highline
                    json
                    activesupport
                    grempe-amazon-ec2
                    ohai
                    chef
                    auser-dslify
                    auser-parenting
                    adamwiggins-rest-client
                    rack
                    thin
                  )
end

Instance Method Details

#after_bootstrap ⇒ Object 



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# File 'lib/poolparty/provision/boot_strapper.rb', line 154

def after_bootstrap
  # thin_cmd = "thin -R /etc/poolparty/monitor.ru start -p 8642 --daemonize --pid /var/run/poolparty/monitor.pid --log /var/log/poolparty/monitor.log --environment production --chdir /var/poolparty" #TODO --user poolparty --group poolparty
  # vputs "thin_cmd = #{thin_cmd}"
  # curl_put = "curl -i -XPUT -d'{}' http://localhost:8642/stats_monitor"
  # execute! [ thin_cmd, "sleep 10", curl_put  ] 
  # execute! ["sleep 5", curl_put]
end

#default_commands ⇒ Object

The commands to setup a PoolParty enviornment



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# File 'lib/poolparty/provision/boot_strapper.rb', line 119

def default_commands
  pack_the_dependencies
  ::FileUtils.rm_rf "#{Default.tmp_path}/dependencies/gems/cache"
  rsync "#{Default.tmp_path}/dependencies", '/var/poolparty'
  
  commands << [
    "mkdir -p /etc/poolparty",
    "mkdir -p /var/log/poolparty",
    "groupadd -f poolparty",
    # "useradd poolparty  --home-dir /var/poolparty  --groups poolparty  --create-home",
    'cd /var/poolparty/dependencies',
    "cp /var/poolparty/dependencies/etc/poolparty/gemrc /etc/poolparty",          
    "#{installer} update",
    "#{installer} install -y ruby ruby1.8-dev libopenssl-ruby1.8 build-essential wget",  #optional, but nice to have
    "tar -zxvf packages/rubygems-1.3.1.tgz",
    "cd rubygems-1.3.1",
    "ruby setup.rb --no-ri --no-rdoc",
    "ln -sfv /usr/bin/gem1.8 /usr/bin/gem", #TODO: check if this is really needed
    "cd ../ && rm -rf rubygems-1.3.1*",
    "gem source --add http://gems.github.com",
    "cd /var/poolparty/dependencies/gems/",
    "gem install --no-rdoc --no-ri -y *.gem",
    "cd /var/poolparty/dependencies",
    "cp /var/poolparty/dependencies/etc/poolparty/* /etc/poolparty/",
    'touch /var/poolparty/POOLPARTY.PROGRESS',
    "mkdir -p /root/.ssh",
    "cp /var/poolparty/dependencies/keys/* /root/.ssh/",
    "chmod 600 /root/.ssh/#{::File.basename(@cloud.keypair.full_filepath)}",
    # "god -c /etc/poolparty/monitor.god",
    "mkdir -p /var/log/poolparty/",
    "thin -R /etc/poolparty/monitor.ru -p 8642 --pid /var/run/stats_monitor.pid --daemon -l /var/log/poolparty/monitor.log start 2>/dev/null",
    'echo "bootstrap" >> /var/poolparty/POOLPARTY.PROGRESS']
  commands << self.class.class_commands unless self.class.class_commands.empty?
end

#pack_the_dependencies ⇒ Object

Collect all the bootstrap files that will be uploaded to the remote instances



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# File 'lib/poolparty/provision/boot_strapper.rb', line 79

def pack_the_dependencies
  # Add the keypair to the instance... shudder
  ::Suitcase::Zipper.add(keypair, "keys")
  
  # Use the locally built poolparty gem if it is availabl
  if edge_pp_gem = Dir["#{Default.vendor_path}/../pkg/*poolparty*gem"].pop
    puts "using edge poolparty: #{::File.expand_path(edge_pp_gem)}"
    ::Suitcase::Zipper.add(edge_pp_gem, 'gems')
  else
    vputs "using gem auser-poolparty. use rake build to use edge"
    self.class.gem_list << 'auser-poolparty'
  end
  # Add the gems to the suitcase
  puts "Adding default gem dependencies"
  ::Suitcase::Zipper.gems self.class.gem_list, "#{Default.tmp_path}/trash/dependencies"

  ::Suitcase::Zipper.packages( "http://rubyforge.org/frs/download.php/45905/rubygems-1.3.1.tgz",
           "#{Default.tmp_path}/trash/dependencies/packages")
  # ::Suitcase::Zipper.add("templates/")
  
  ::Suitcase::Zipper.add("#{::File.dirname(__FILE__)}/../templates/monitor.ru", "/etc/poolparty/")
  ::Suitcase::Zipper.add("#{::File.dirname(__FILE__)}/../templates/monitor.god", "/etc/poolparty/")
          
  ::Suitcase::Zipper.add("#{Default.tmp_path}/trash/dependencies/cache", "gems")        
  
  ::Suitcase::Zipper.add("#{::File.join(File.dirname(__FILE__), '..', 'templates', 'gemrc' )}", "etc/poolparty")
  
  instances = @cloud.nodes(:status => "running") + [@cloud.started_instance]
  ::Suitcase::Zipper.add_content_as(
    {:instances => instances.flatten.compact}.to_json, 
    "neighborhood.json", "/etc/poolparty")
  
  ::Suitcase::Zipper.build_dir!("#{Default.tmp_path}/dependencies")
  
  ::Suitcase::Zipper.flush!
  
  # ::FileUtils.rm_rf "#{Default.tmp_path}/trash"
end