Class: Judo::Group

Inherits:
Object
  • Object
show all
Defined in:
lib/judo/group.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base, name, version) ⇒ Group

Returns a new instance of Group.



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# File 'lib/judo/group.rb', line 5

def initialize(base, name, version)
  @base = base
  @name = name
  @version = version
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/judo/group.rb', line 3

def name
  @name
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/judo/group.rb', line 3

def version
  @version
end

Instance Method Details

#all_configs ⇒ Object 



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# File 'lib/judo/group.rb', line 152

def all_configs
  parent ? parent.all_configs.clone.unshift(raw_config) : [ raw_config ]
end

#attachments(c = config) ⇒ Object 



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# File 'lib/judo/group.rb', line 129

def attachments(c = config)
  extract(c, {})
end

#build_config ⇒ Object 



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# File 'lib/judo/group.rb', line 15

def build_config
  @build_config ||= all_configs.reverse.inject({}) { |sum,conf| sum.merge(conf) }
end

#compile ⇒ Object 



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# File 'lib/judo/group.rb', line 37

def compile
  tmpdir = "/tmp/kuzushi/#{name}"
  puts "Compiling #{self} version #{version}"
  @version = @version + 1
  FileUtils.rm_rf(tmpdir)
  FileUtils.mkdir_p(tmpdir)
  new_config = build_config
  Dir.chdir(tmpdir) do |d|
    attachments(new_config).each do |to,from|
      FileUtils.mkdir_p(File.dirname(to))
      if from =~ /^http:\/\//
        puts "curl '#{from}'"
        system "curl '#{from}' > #{to}"
        puts "#{to} is #{File.stat(to).size} bytes"
      else
        FileUtils.cp(from,to)
      end
    end
    File.open("config.json", "w") { |f| f.write(new_config.to_json) }
    Dir.chdir("..") do
      system "tar czvf #{tar_file} #{name}"
      puts "Uploading to s3..."
      @base.s3_put(tar_file, File.new(tar_file))
      @base.s3_put(version_config_file, new_config.to_json)
    end
  end
  set_version
end

#config ⇒ Object 



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# File 'lib/judo/group.rb', line 11

def config
  @config ||= load_config
end

#config_file ⇒ Object 



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# File 'lib/judo/group.rb', line 160

def config_file
  "#{dir}/config.json"
end

#cp_file ⇒ Object 



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# File 'lib/judo/group.rb', line 78

def cp_file
  FileUtil.mkdir_p(tmpdir)
end

#delete_server(server) ⇒ Object 



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# File 'lib/judo/group.rb', line 170

def delete_server(server)
  sdb.delete_attributes("judo_config", "groups", name => server.name)
end

#destroy ⇒ Object 



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# File 'lib/judo/group.rb', line 143

def destroy
  servers.each { |s| s.destroy }
  @base.task("Destring #{self}") do
    @base.groups.delete(self)
    @base.sdb.delete_attributes("judo_config", "groups", [ name ])
    @base.sdb.delete_attributes("judo_config", "group_versions", [ name ])
  end
end

#dir ⇒ Object 



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# File 'lib/judo/group.rb', line 156

def dir
  "#{@base.repo}/#{name}/"
end

#extract(config, files) ⇒ Object 



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# File 'lib/judo/group.rb', line 94

def extract(config, files)
  config.each do |key,value|
    [value].flatten.each do |v|   ### cover "packages" : ["a","b"], "packages" : "a", "packages":[{ "file" : "foo.pkg"}]
      if v.is_a? Hash
        extract(v, files)
      else
        case key
        when *[ "init", "before", "after" ]
          extract_file(:script, v, files) unless v =~ /^#!/
        when "package"
          files["packages/#{v}_i386.deb"]  = "#{config["source"]}#{v}_i386.deb"
          files["packages/#{v}_amd64.deb"] = "#{config["source"]}#{v}_amd64.deb"
        when "local_packages"
          extract_file(:package, "#{v}_i386.deb", files)
          extract_file(:package, "#{v}_amd64.deb", files)
        when "git"
          ## do nothing - is a remote
        when "template"
          extract_file(:template, v, files)
        when "source"
          extract_file(:file, v, files) unless config["template"] or config["package"]
        when "file"
          ## this is getting messy
          extract_file(:file, File.basename(v), files) unless config["template"] or config["source"] or config["git"]
        end
      end
    end
  end
  files
end

#extract_file(type, name, files) ⇒ Object 



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# File 'lib/judo/group.rb', line 82

def extract_file(type, name, files)
  path = "#{dir}/#{type}s/#{name}"
  found = Dir[path]
  if not found.empty?
    found.each { |f| files["#{type}s/#{File.basename(f)}"] = f }
  elsif parent
    parent.extract_file(type, name, files)
  else
    raise "Cannot find file #{name} of type #{type}"
  end
end

#keypair_file ⇒ Object 



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# File 'lib/judo/group.rb', line 125

def keypair_file
  extract_file(:keypair, config["key_name"] + ".pem" , {}).first
end

#load_config ⇒ Object 



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# File 'lib/judo/group.rb', line 27

def load_config
    JSON.load @base.s3_get(version_config_file)
  rescue Aws::AwsError
   raise JudoError, "No config stored: try 'judo commit #{to_s}'"
end

#parent ⇒ Object

Raises:



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# File 'lib/judo/group.rb', line 137

def parent
  @parent ||= @base.groups.detect { |p| p.name == raw_config["import"] }
  raise JudoError, "Parent group #{raw_config["import"]} must be commited" if raw_config["import"] and @parent.nil?
  @parent
end

#raw_config ⇒ Object 



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# File 'lib/judo/group.rb', line 133

def raw_config
  @raw_config ||= read_config
end

#read_config ⇒ Object 



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# File 'lib/judo/group.rb', line 164

def read_config
    JSON.parse(File.read(config_file))
  rescue Errno::ENOENT
    raise JudoError, "No config file #{config_file}"
end

#s3_url ⇒ Object 



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# File 'lib/judo/group.rb', line 74

def s3_url
  @url = @base.s3_url(tar_file)
end

#sdb ⇒ Object 



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# File 'lib/judo/group.rb', line 178

def sdb
  @base.sdb
end

#server_names ⇒ Object 



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# File 'lib/judo/group.rb', line 19

def server_names
  @server_names ||= (@base.groups_config[@name] || [])
end

#servers ⇒ Object 



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# File 'lib/judo/group.rb', line 23

def servers
  @base.servers.select { |s| server_names.include?(s.name) }
end

#set_version ⇒ Object 



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# File 'lib/judo/group.rb', line 33

def set_version
  @base.sdb.put_attributes("judo_config", "group_versions", { name => version }, :replace)
end

#tar_file ⇒ Object 



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# File 'lib/judo/group.rb', line 70

def tar_file
  "#{name}.#{version}.tar.gz"
end

#to_s ⇒ Object 



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# File 'lib/judo/group.rb', line 174

def to_s
  ":#{name}"
end

#version_config_file ⇒ Object 



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# File 'lib/judo/group.rb', line 66

def version_config_file
  "#{name}.#{version}.json"
end

#version_desc(v) ⇒ Object 



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# File 'lib/judo/group.rb', line 182

def version_desc(v)
  if v == version
    "v#{v}"
  else
    "v#{v}/#{version}"
  end
end