Class: Brick::Docker::DockerClient

Inherits:
Object
  • Object
show all
Includes:
Mixin::DockerSupport
Defined in:
lib/brick/docker/docker_client.rb

Constant Summary collapse

@@default_client = 
nil
@@lock = 
Monitor.new
@@connection_pool = 
Hash.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mixin::DockerSupport

#create_config, #start_config

Constructor Details

#initialize(options = {}) ⇒ DockerClient

Returns a new instance of DockerClient.



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# File 'lib/brick/docker/docker_client.rb', line 45

def initialize(options={})
  
  unless(options[:base_url].nil?)
    @base_url = options[:base_url]
  end
  
  
    @base_url ||= 'unix:///var/run/docker.sock'
  
  
  @connection= self.class.connection @base_url
  
  puts "#{__method__} #{__LINE__} @connection=#{@connection}"
end

Instance Attribute Details

#base_url ⇒ Object

Returns the value of attribute base_url.



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# File 'lib/brick/docker/docker_client.rb', line 23

def base_url
  @base_url
end

#connection ⇒ Object

Returns the value of attribute connection.



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# File 'lib/brick/docker/docker_client.rb', line 23

def connection
  @connection
end

Class Method Details

.connection(base_url) ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 29

def self.connection base_url
  
conn = nil
  
  @@lock.synchronize do
    conn ||= @@connection_pool[base_url.to_sym]
    
    if(conn.nil?)
      conn = ::Docker::Connection.new(base_url, {}) 
      @@connection_pool[base_url.to_sym] = @connection
    end
  end 
  
  conn
end

.default ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 60

def self.default
  @@default_client ||= DockerClient.new
  #puts "client=#{@@default_client}"       
  return @@default_client
end

Instance Method Details

#build_from_dir(options = {}) ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 132

def build_from_dir options={}
  
  image_name = options[:image_name]
  
  dockerfile_path = options[:build_dir]
  
  project_dir = options[:project_dir]
  
  no_cache = options[:no_cache]
  
  dockerfile_path = determine_dockerfile_path(dockerfile_path, project_dir)
  
  
  image = ::Docker::Image.build_from_dir(dockerfile_path, {"t"=>image_name, "nocache" =>no_cache }) { 
  |chunk| h1 = ::JSON.parse(chunk); 
          
          value = h1.values[0].to_s;
          
          puts(::URI.unescape(value)) 
  
  }

  
  image
end

#create(config_hash, name = nil) ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 66

def create config_hash, name=nil
  
 docker_hash= create_config(config_hash)
  
 docker_hash['name'] = name unless name.nil?
  
  begin
    container = ::Docker::Container.create(docker_hash.dup, connection)
    #get full information of the container
    container = ::Docker::Container.get(container.id,connection)
  rescue ::Docker::Error::NotFoundError => exception
      if exception.message.include? 'No such image'
        ::Docker::Image.create({'fromImage'=> config_hash['image']},{}, connection)
         container = ::Docker::Container.create(docker_hash.dup, connection)
         #get full information of the container
         container = ::Docker::Container.get(container.id,connection)
      else
        raise exception
    end
    return container
  end
end

#get_container_by_id(id) ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 127

def get_container_by_id id
  ::Docker::Container.get(id,connection)
end

#get_container_by_name(name = nil) ⇒ Object 



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# File 'lib/brick/docker/docker_client.rb', line 115

def get_container_by_name  name=nil
  
  container = nil
  
  unless name.nil?
    container = ::Docker::Container.search_by_name name, connection
  end
  
  container.first
  
end

#run(config_hash, name = nil) ⇒ Object

if the container is already existed, reuse it if the container is not started, start it



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# File 'lib/brick/docker/docker_client.rb', line 92

def run config_hash, name=nil
  #byebug        
  container = get_container_by_name name
  
  
  if container.nil?
    container = create config_hash, name
  else
    Brick::CLI::logger.info "container #{name} has already existed."
  end
  
  Brick::CLI::logger.debug "container #{container}."
  
  
  unless container.is_running?
    container.start(start_config(config_hash))
  else
    Brick::CLI::logger.info "container #{name} is #{container.info["Status"]}"
  end
  
  container
end