Class: Vagrant::Node::ClientController

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-node/clientcontroller.rb

Class Method Summary collapse

Class Method Details

.authorized?(token, challenge) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vagrant-node/clientcontroller.rb', line 58

def self.authorized?(token,challenge)
 ensure_environment			 
 
 @pw.authorized?(token,challenge)			 
end

.backup_log(vmname = nil) ⇒ Object

BACKUP LOG METHOD ###############

FIXME No está controlado el que el parámetro sea nil



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# File 'lib/vagrant-node/clientcontroller.rb', line 970

def self.backup_log(vmname=nil)
	ensure_environment				
	
	#begin
	
		@db.get_backup_log_entries(vmname)
		
	# rescue => e
		# puts e.message									
	# end
	
end

.box_add(box, url, user = "guest", pass = "--no-pass") ⇒ Object

BOX ADD METHOD #######################



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# File 'lib/vagrant-node/clientcontroller.rb', line 183

def self.box_add(box,url,user="guest",pass="--no-pass")

	@env.boxes.all.each do |box_name,provider|

		if box_name==box
			raise RestException.new(500,"There is a box with the same name")	
		end					
	end

	

	command_block = Proc.new {
               				#ensure_environment
               				
               				boxes = []			
               
               				#TODO
               				
               				# Get the provider if one was set
               				provider = nil
               #				provider = options[:provider].to_sym if options[:provider]
               
               				begin
               					
               					#uri = "\\\\155.54.190.227\\boxtmp\\boxes\\debian_squeeze_32.box"
               #					
               #					if uri=~ /^\\\\(.*?)\\(.*?)\\(.*?)$/						
               #						puts "EL HOST ES #{$1}"
               #						puts "EL Share ES #{$2}"
               #						puts "EL PATH ES #{$3}"
               #						host = $1
               #						share = $2
               #						path = $3
               #						
               #						Getting and checking box file						
               #						boxname=File.basename(path.gsub('\\',File::SEPARATOR))
               #						
               #            raise 'Box file format not supported' if File.extname(boxname)!=".box"
               #
               #						samba = nil
               #						begin						
               #						samba = Sambal::Client.new(  :host     =>  host,
               #																				:share    =>  share,
               #																				:user     =>  user,
               #																				:password =>  pass)
               #					
               #						
               #						
               #						Get the tmp file name					
               #						temp_path = @env.tmp_path.join("box" + Time.now.to_i.to_s)
               #				
               #					
               #						response = nil
               #						
               #						smbclient //155.54.190.227/boxtmp --no-pass -W WORKGROUP -U guest -p 445
               #						smbclient //155.54.190.227/boxtmp -D boxes -c "get debian_squeeze_321.box" -N
               #						
               #						command="smbclient //#{host}/#{share} -D #{dirlocation} -c \"get #{boxname}\" -U #{user} --no-pass"
               #						
               #
               #						FIXME encontrar si existe algún tipo de notificación por
               #						interrupciónde la descarga
               #						FIXME a little hack beacuse in version 0.1.2 of sambal there is 
               #						a timeout that close the download after 10 seconds 
               #						def samba.ask(cmd)							
               #							@i.printf("#{cmd}\n")
               #							response = @o.expect(/^smb:.*\\>/)[0]				
               #						end
               #						
               #						response = samba.get(path, temp_path.to_s)
               #						FIXME DELETE
               #						pp response.inspect						
               #						
               #						raise response.message if !response.success?
               #						
               #						if response.success?								
               #								File download succesfully
               #								added_box = nil
               #								begin									
               #									provider=nil
               #									force = true
               #									added_box = @env.boxes.add(temp_path,box,nil,force)									
               #									boxes << {:name=>box,:provider=>added_box.provider.to_s}
               #								rescue Vagrant::Errors::BoxUpgradeRequired									
               #									Upgrade the box
               #									env.boxes.upgrade(box)
               #			
               #									Try adding it again
               #									retry
               #								rescue Exception => e									
               #									boxes = nil
               #								end
               #													
               #						end
               #						
               #						rescue Exception => e
               #							puts "EXCEPCION de descarga" if response
               #							puts "EXCEPCION de conexion" if !response
               #							puts e.message
               #							boxes=nil
               #						end
               #						
               #						
               #						Closing connection
               #						samba.close if samba
               #						
               #						
               #						Cleaning
               #						if temp_path && File.exist?(temp_path)
               #            	File.unlink(temp_path)
               #          	end
               # 
               #          	          		 
               #					else
               
                        
                         copy_db = @db.clone
                         
                        

                           boxes <<{:name=>box}
               #						FIXME Ver qué poner en los parámetros de la llamada
               						provider=nil
               						force = true # Always overwrite box if exists
               						insecure = true #Don't validate SSL certs
               						#Calling original box add action

               						
               						@env.action_runner.run(BoxAddAction, {
					                              :box_name     => box,
					                              :box_provider => provider,
					                              :box_url      => url,
					                              :box_force    => force,
					                              :box_download_insecure => insecure,
					                              :db => copy_db,
					                            	})

               						# @env.action_runner.run(Vagrant::Action.action_box_add, {
                     #       :box_name     => box,
                     #       :box_provider => provider,
                     #       :box_url      => url,
                     #       :box_force    => force,
                     #       :box_download_insecure => insecure,
                     #     	})
               
               #					end
               
               
		     
		     

                                   
            	boxes					     
			     
		rescue =>e
				puts e.message
		end

	}

     		method("execute_queued").call(&command_block);
	
end

.box_delete(box, provider) ⇒ Object

BOX DELETE METHOD #####################



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# File 'lib/vagrant-node/clientcontroller.rb', line 150

def self.box_delete(box,provider)

	ensure_environment

	boxes = []				
	
	

	bbox = @env.boxes.find(box,provider.to_sym)
	


	if (bbox)	
		get_vms("").each do |machine|
			if (!machine.box.nil? && machine.box.name==box)
				raise RestException.new(500,"The box can't be deleted because the virtual machine '#{machine.name.to_s}' is using it")	
			end
																
		end		

		boxes << bbox.name			  
		bbox.destroy!			  				  	
	else
		raise RestException.new(404,"The box '#{box}' does not exist")	
	end 
					
	boxes
	
end

.cleardownloadboxes ⇒ Object

CLEAR BOX DOWNLOADS METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 113

def self.cleardownloadboxes
  

			ensure_environment
			
			@db.clear_box_downloads
			

			true
	
end

.config_show ⇒ Object

CONFIG SHOW METHOD #####################



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# File 'lib/vagrant-node/clientcontroller.rb', line 987

def self.config_show
    ensure_environment			    
    
    file = @env.root_path+"Vagrantfile"
end

.config_upload(cfile) ⇒ Object

CONFIG UPLOAD METHOD #####################



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# File 'lib/vagrant-node/clientcontroller.rb', line 996

def self.config_upload(cfile)
    ensure_environment
                        
    f = File.new(@env.root_path+"Vagrantfile", "w")
    f.write(cfile)
    f.close
    
    true
end

.execute_queued ⇒ Object 



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# File 'lib/vagrant-node/clientcontroller.rb', line 30

def self.execute_queued						
  ensure_environment
  
  #Generating a random identifier for process
  rpid=rand(1000000)
  
  pid = fork do
    begin
     @db.create_queued_process(rpid)			     
     res = yield			     
     @db.set_queued_process_result(rpid,res.to_json)		     
     
    rescue Exception => e				      		    
      @db.set_queued_process_error(rpid,e)			      
    end
  end

  rpid
end

.listboxes ⇒ Object

BOX LIST METHOD #######################



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# File 'lib/vagrant-node/clientcontroller.rb', line 129

def self.listboxes
  

			ensure_environment
			
			boxes = @env.boxes.all.sort				
			
			fboxes = Array.new				
			boxes.each do |name, provider|					
				fboxes << {"name" => name,"provider" => provider}
			end
			
			
			fboxes		

	
end

.listdownloadboxes ⇒ Object

BOX DOWNLOADS METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 90

def self.listdownloadboxes
  

			ensure_environment
			
			downloads = @db.get_box_download  				
			
			
			fdownloads = Array.new				
			downloads.each do |row|	  		  					
			 	fdownloads << {"box_name" => row["box_name"],"box_url" => row["box_url"],"box_progress" => row["download_progress"],"box_remaining" => row["download_remaining"],"download_status" => row["download_status"]}
			end
			
			

			fdownloads		

	
end

.nodeinfo ⇒ Object

NODE INFO (CPU,MEMORY) ################



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# File 'lib/vagrant-node/clientcontroller.rb', line 67

def self.nodeinfo
	
	
			usw = Usagewatch

	
			Facter.loadfacts

			
			
			result=Hash[Facter.to_hash.map{|(k,v)| [k.to_sym,v]}]

			result[:cpuaverage] = Sys::CPU.load_avg;
			result[:diskusage] = usw.uw_diskused

			result	

	
end

.operation_queued(id) ⇒ Object

OPERATION METHODS #######################

Raises:



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# File 'lib/vagrant-node/clientcontroller.rb', line 1009

def self.operation_queued(id)          
    ensure_environment
    
    result = @db.get_queued_process_result(id)          
    
    raise RestException.new(404,"The operation ID: #{id} not found") if (result.size==0)
    
    opres = Array.new

    aux=result.first          

    opres[0]=aux["operation_status"]
    opres[1]=aux["operation_result"]
    
    opres
end

.operation_queued_last ⇒ Object 



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# File 'lib/vagrant-node/clientcontroller.rb', line 1026

def self.operation_queued_last          
    ensure_environment
    
    @db.get_queued_last         
     
end

.password_change(new_password) ⇒ Object

NODE PASSWORD CHANGE ###################



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# File 'lib/vagrant-node/clientcontroller.rb', line 959

def self.password_change(new_password)
  ensure_environment
  
  @db.node_password_set(new_password,true)
  true
end

.send_challenge ⇒ Object 



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# File 'lib/vagrant-node/clientcontroller.rb', line 50

def self.send_challenge			  
  challenge = SecureRandom.urlsafe_base64(nil, false)
  cookie = SecureRandom.urlsafe_base64(nil, false)			  

  
  {:cookie => cookie, :challenge => challenge}
end

.vm_add(config, rename) ⇒ Object

VIRTUAL MACHINE ADD METHOD ###############



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# File 'lib/vagrant-node/clientcontroller.rb', line 414

def self.vm_add(config,rename)
  ensure_environment    
  begin  
    path="/tmp/conf."+Time.now.to_i.to_s          
    f = File.new(path, "w")
    f.write(config)
    f.close          
            
    
    cm = ConfigManager.new(@env.root_path+"Vagrantfile")
    
    
    cmtmp = ConfigManager.new(path)
    
    
           
    current_vms = @env.machine_names
    
    

    cmtmp.get_vm_names.each do |key|                         
      if current_vms.include?(key)  
        raise RestException.new(406,"There is a remote VM with the same name: \"#{key}\"") if rename=="false"             
        cmtmp.rename_vm(key,"#{key}_1")            
      end    
    end
    
    cm.insert_vms_sexp(cmtmp.extract_vms_sexp)
      
 rescue => e   
   raise e 
 ensure
   File.delete(path)
 end      
  
  
end

.vm_confirmed_destroy(vmname) ⇒ Object

VIRTUAL MACHINE DESTROY METHOD ###############



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# File 'lib/vagrant-node/clientcontroller.rb', line 474

def self.vm_confirmed_destroy(vmname)
  ensure_environment
  
  machine_names = []
  
  
  #begin        
  
    get_vms(vmname.to_sym).each do |machine|                       
      machine_names << machine.name
      machine.action(:destroy, :force_confirm_destroy => true)            
    end
                    
    machine_names
    
  #rescue => e          
#         return nil
  #end
  
end

.vm_delete(vmname, remove = false) ⇒ Object

VIRTUAL MACHINE DELETE METHOD ###############



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# File 'lib/vagrant-node/clientcontroller.rb', line 457

def self.vm_delete(vmname,remove=false)
  ensure_environment
  
  cm = ConfigManager.new(@env.root_path+"Vagrantfile")         
  
  self.vm_confirmed_destroy(vmname) if remove!=false
  
  cm.delete_vm(vmname) 
  
  true        
  
end

.vm_halt(vmname, force) ⇒ Object

VIRTUAL MACHINE HALT METHOD #################



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# File 'lib/vagrant-node/clientcontroller.rb', line 498

def self.vm_halt(vmname,force)
	
	force=(force=="true")?true:false;

  	command_block = Proc.new {

		begin
			machine_names = []		
			get_vms(vmname).each do |machine|						
				machine.action(:halt, :force_halt => force)
				machine_names << {"vmname" => machine.name.to_s,
									"provider" => machine.provider_name.to_s,
									"status" => machine.state.short_description}
			end

			raise RestException.new(404,"The machine #{vmname} does not exist") if (machine_names.empty?)						

			machine_names

		rescue Exception => e  						
			aux=get_vms(vmname)
			machine=aux[0]

			raise RestException.new(404,"The machine #{vmname} does not exist") if (aux.empty?)						
			raise VMActionException.new(machine.name.to_s,machine.provider_name.to_s,e.message) if (!machine.nil?)
		end
				
		
	}
		
	method("execute_queued").call(&command_block);
	
	#rescue => e					
#					return nil
	#end
	
end

.vm_info(vmname) ⇒ Object

VIRTUAL MACHINE INFO METHOD ###############

Raises:



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# File 'lib/vagrant-node/clientcontroller.rb', line 539

def self.vm_info(vmname)				
	raise RestException.new(500,"The VM Name can't be emtpy") if vmname.empty?						

	ensure_environment
	
	#execute("snapshot",self.uuid,"showvminfo",name)					   

	machines=get_vms(vmname)
		
	raise RestException.new(404,"The machine #{vmname} does not exist") if (machines.empty?)						

	info = Hash.new
	
	

	if (machines[0].id!=nil)
		machines[0].provider.driver.execute("showvminfo",machines[0].id,"--machinereadable").split("\n").each do |line|								
			if (line =~ /^(.*?)=\"(.*?)\"$/) || (line =~ /^(.*?)=(.*?)$/)
				info[$1]=$2
			end
		end
	end
	
	
	info			

end

.vm_provision(vmname) ⇒ Object

VIRTUAL MACHINE PROVISION METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 855

def self.vm_provision(vmname)
	#ensure_environment
  command_block = Proc.new {
		machine_names = []
	
     # Por ahora no dejo que el vmname esté vacío para realizar la operación sobre todas las vm
		raise RestException.new(404,"Virtual Machine not specified") if (vmname==nil ||vmname.empty?)
		#begin
		
			#Provisioning								
			get_vms(vmname).each do |machine|										
				machine_names << machine.name	
				machine.action(:provision)					
			end
			           
			raise RestException.new(404,"The machine #{vmname} does not exist") if (machine_names.empty?)						
		
			machine_names
	}
	
  		method("execute_queued").call(&command_block);	
	
	
end

.vm_resume(vmname) ⇒ Object

VIRTUAL MACHINE RESUME METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 646

def self.vm_resume(vmname)
  	command_block = Proc.new {
	#ensure_environment
		begin

			machine_names = []			
			#Launching machines
						
			get_vms(vmname).each do |machine|
				machine.action(:resume)
				machine_names << {"vmname" => machine.name.to_s,
									"provider" => machine.provider_name.to_s,
									"status" => machine.state.short_description}					
			end
			           
			raise RestException.new(404,"The machine #{vmname} does not exist") if (machine_names.empty?)						
		
			machine_names
			
		rescue Exception => e  						
			aux=get_vms(vmname)
			machine=aux[0]

			raise RestException.new(404,"The machine #{vmname} does not exist") if (aux.empty?)						
			raise VMActionException.new(machine.name.to_s,machine.provider_name.to_s,e.message) if (!machine.nil?)
		end
	}
		
	method("execute_queued").call(&command_block);
	
	
end

.vm_snapshot_delete(vmname, snapshot_id) ⇒ Object

VIRTUAL MACHINE SNAPSHOT DELETE METHOD #############



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# File 'lib/vagrant-node/clientcontroller.rb', line 769

def self.vm_snapshot_delete(vmname,snapshot_id)
  ensure_environment        
  
  #begin
    
    
    raise RestException.new(404,"Virtual Machine not specified") if (vmname==nil ||vmname.empty?)
    
     
         
    get_vms(vmname).each do |machine|
      env = 
      {             
        :machine        => machine,
        :machine_action => SnapshotAction::DELETE,
        :snapshot_id  => snapshot_id,               
      }
#             
#             
      res = @env.action_runner.run(SnapshotAction,env)
#             
      return res[:delete_snapshot]
#             
    end   
#           
  # rescue => e
    # puts e.message
# #         return nil        
  # end
  
end

.vm_snapshot_restore(vmname, snapshot_id) ⇒ Object

VIRTUAL MACHINE SNAPSHOT RESTORE METHOD #############



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# File 'lib/vagrant-node/clientcontroller.rb', line 806

def self.vm_snapshot_restore(vmname,snapshot_id)
  command_block = Proc.new {
	  #ensure_environment				
	
	  raise RestException.new(404,"Virtual Machine not specified") if (vmname==nil ||vmname.empty?)
	  
	  restore_results = {}
		
						
		get_vms(vmname).each do |machine|				  
		
		  
			prev_state=machine.state.id
			#First, ensure that the machine is in a proper state
			#to restore the snapshot (save, poweroff)
			machine.action(:suspend) if prev_state==:running
			
			#Now the machine is ready for restoration
			env = 
			{							
    			:machine        => machine,
    			:machine_action => SnapshotAction::RESTORE,
    			:snapshot_id 	=> snapshot_id        			   			
			}
			
			
			res = @env.action_runner.run(SnapshotAction,env)
			
			#Now restore the vm to the previous state if running
			machine.action(:up) if prev_state==:running
			
			restore_results[machine.name.to_sym]=res[:restore_result]						
		end		
		
		

		restore_results
		
		
  }
 method("execute_queued").call(&command_block);
	
end

.vm_snapshot_take(vmname, name, desc = " ") ⇒ Object

VIRTUAL MACHINE SNAPSHOT TAKE METHOD #############



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# File 'lib/vagrant-node/clientcontroller.rb', line 717

def self.vm_snapshot_take(vmname,name,desc=" ")
  command_block = Proc.new {
	#ensure_environment				
	
		
		raise RestException.new(404,"Virtual Machine not specified") if (vmname==nil ||vmname.empty?)
		
		
		machine = get_vms(vmname)
		raise RestException.new(404,"Virtual Machine not found") if (machine.empty?)
				
       env = 
       {              
          :machine        => machine.first,
          :machine_action => SnapshotAction::TAKE,
          :snapshot_name  => name,
          :snapshot_desc  => desc             
        }
          
        res = @env.action_runner.run(SnapshotAction,env)
          

        

        res[:last_snapshot]            
      
     		
		# get_vms(vmname).each do |machine|
		 # env = 
		 # {							
  			# :machine        => machine,
  			# :machine_action => SnapshotAction::TAKE,
  			# :snapshot_name 	=> name,
  			# :snapshot_desc  => desc        			
			# }
#  						
			# res = @env.action_runner.run(SnapshotAction,env)
# 						
			# return res[:last_snapshot]						
# 						
		# end
		
		
	}		
		
	method("execute_queued").call(&command_block);
	
end

.vm_snapshot_take_file(vmname) ⇒ Object

VIRTUAL MACHINE BACKUP TAKE METHOD #############



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# File 'lib/vagrant-node/clientcontroller.rb', line 913

def self.vm_snapshot_take_file(vmname)
	ensure_environment
	
	current_machine = nil
	t = Time.now.strftime "%Y-%m-%d %H:%M:%S"
	begin
	  
		machines=get_vms(vmname)
		
		return [404,"Virtual Machine not found"] if machines.empty?
							
		machines.each do |machine|						
			
			current_machine = machine.name.to_s						
			
			env = 
			{							
				:machine        => machine,
				:machine_action => SnapshotAction::BACKUP,
				:path						=> @env.data_dir
			}
			
			@db.add_backup_log_entry(t,current_machine,BACKUP_IN_PROGRESS)
	
			res = @env.action_runner.run(SnapshotAction,env)
			
			if res[:bak_filename] == SnapshotAction::ERROR
				@db.update_backup_log_entry(t,current_machine,BACKUP_ERROR)
				return [500,"Internal Error"] if res[:bak_filename] == SnapshotAction::ERROR
			else					
				@db.update_backup_log_entry(t,current_machine,BACKUP_SUCCESS)
				return [200,res[:bak_filename]]
			end
			
		end	
				
	rescue => e					
		@db.update_backup_log_entry(t,current_machine,BACKUP_ERROR)
		return [500,"Internal Error"]				
	end
	
end

.vm_snapshots(vmname = nil) ⇒ Object

VIRTUAL MACHINE SNAPSHOT LIST METHOD #############



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# File 'lib/vagrant-node/clientcontroller.rb', line 682

def self.vm_snapshots(vmname=nil)
	ensure_environment				
	
	#begin
	
		snapshots = {}
							
		get_vms(vmname).each do |machine|
			
			env = 
			{							
    			:machine        => machine,
    			:machine_action => SnapshotAction::LIST
			}
			
			
			res = @env.action_runner.run(SnapshotAction,env)
			
			snapshots[machine.name.to_sym]=res[:snapshots_list]
			
		end		
	
	  
		snapshots
				
	# rescue => e
		# puts e.message
# #					return nil				
	# end
	
end

.vm_ssh_config(vmname) ⇒ Object

VIRTUAL MACHINE SSHCONFIG## ###############



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# File 'lib/vagrant-node/clientcontroller.rb', line 887

def self.vm_ssh_config(vmname)
	ensure_environment
	
	
	#Ensure vmname exists and it is not empty
	return nil if vmname.empty?
		
	
	#begin
		info = Array.new
		get_vms(vmname).each do |machine|												
			info << machine.ssh_info						
		end
		
		info[0]
		
	# rescue => e
		# puts e.message
#					return nil
	#end	

end

.vm_status(vmname = nil, verbose = true) ⇒ Object

VIRTUAL MACHINE STATUS METHOD ###############



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# File 'lib/vagrant-node/clientcontroller.rb', line 571

def self.vm_status(vmname=nil,verbose=true)				
	ensure_environment				
	
	
	begin
		status = Array.new
		if (verbose==true || verbose=="true")				
			
			get_vms(vmname).each do |machine|
			
				status << {"name" => machine.name.to_s,
							"status" => machine.state.short_description,
							"provider" => machine.provider_name}
			end		
		else				
			@env.machine_names.each do |machine|
				status << {"name" => machine.to_s}
			end
		end
	
		
		status
	rescue Exception => e 
		raise e
	end
				
	
	
end

.vm_suspend(vmname) ⇒ Object

VIRTUAL MACHINE SUSPEND METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 604

def self.vm_suspend(vmname)
  command_block = Proc.new {
	  #ensure_environment

	  begin
	  
	  	machine_names = []

	
	
		
		#Suspendiing machines								
		get_vms(vmname).each do |machine|
			machine.action(:suspend)
			machine_names << {"vmname" => machine.name.to_s,
								"provider" => machine.provider_name.to_s,
								"status" => machine.state.short_description}
		end           
		
	
		raise RestException.new(404,"The machine #{vmname} does not exist") if (machine_names.empty?)						

	  	machine_names

	  rescue Exception => e  						
			aux=get_vms(vmname)
			machine=aux[0]

			raise RestException.new(404,"The machine #{vmname} does not exist") if (aux.empty?)						
			raise VMActionException.new(machine.name.to_s,machine.provider_name.to_s,e.message) if (!machine.nil?)
		end

	  
	}
		
	method("execute_queued").call(&command_block);
	
end

.vm_up(vmname) ⇒ Object

VIRTUAL MACHINE UP METHOD ##################



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# File 'lib/vagrant-node/clientcontroller.rb', line 352

def self.vm_up(vmname)	

	

  	command_block = Proc.new {					
		
		machine_names = []



		begin
		
        
			options = {}
			options[:parallel] = true
			
			#Launching machines
			@env.batch(options[:parallel]) do |batch|			
				
				get_vms(vmname).each do |machine|
						
						batch.action(machine, :up, options)							
						
						machine_names << {"vmname" => machine.name.to_s,
										  "provider" => machine.provider_name.to_s,
										  "status" => "running"}												

					

				end
			end           
	
			raise RestException.new(404,"The machine #{vmname} does not exist") if (machine_names.empty?)						

			machine_names

		rescue Exception => e  	
									
			aux=get_vms(vmname)
			machine=aux[0]

			raise RestException.new(404,"The machine #{vmname} does not exist") if (aux.empty?)						
			raise VMActionException.new(machine.name.to_s,machine.provider_name.to_s,e.message) if (!machine.nil?)
		end

		
	}
	
	method("execute_queued").call(&command_block)
		
	
	
end