Class: ScbiMapreduce::WorkerLauncher
- Inherits:
-
Object
- Object
- ScbiMapreduce::WorkerLauncher
- Defined in:
- lib/scbi_mapreduce/worker_launcher.rb
Constant Summary collapse
- @@worker_id =
0
Instance Attribute Summary collapse
-
#server_ip ⇒ Object
Returns the value of attribute server_ip.
-
#server_port ⇒ Object
Returns the value of attribute server_port.
Instance Method Summary collapse
- #find_common_ip(machine_ip, ip_list) ⇒ Object
-
#initialize(server_ip, server_port, server_ip_list, workers, worker_file, log_file = nil, init_env_file = nil) ⇒ WorkerLauncher
constructor
A new instance of WorkerLauncher.
- #launch_external_workers(workers) ⇒ Object
-
#launch_worker(worker_id, server_ip, server_port) ⇒ Object
override this.
- #launch_workers ⇒ Object
- #launch_workers_and_wait ⇒ Object
- #launch_workers_srun ⇒ Object
- #launch_workers_ssh ⇒ Object
- #left_largest_common_substr(s1, s2) ⇒ Object
- #remove_final_dot(s) ⇒ Object
Constructor Details
#initialize(server_ip, server_port, server_ip_list, workers, worker_file, log_file = nil, init_env_file = nil) ⇒ WorkerLauncher
Returns a new instance of WorkerLauncher.
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 15 def initialize(server_ip,server_port, server_ip_list,workers, worker_file, log_file=nil, init_env_file=nil) @server_ip = server_ip @server_port = server_port @worker_file = worker_file @workers=workers @init_env_file=init_env_file @server_ip_list=server_ip_list if log_file.nil? log_file = "logs/launcher_global_log.txt" end FileUtils.mkdir_p(File.dirname(log_file)) if ((log_file!=STDOUT) && (!File.exists?(File.dirname(log_file)))) $LAUNCHER_LOG = Logger.new(log_file) $LAUNCHER_LOG.datetime_format = "%Y-%m-%d %H:%M:%S" end |
Instance Attribute Details
#server_ip ⇒ Object
Returns the value of attribute server_ip.
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 11 def server_ip @server_ip end |
#server_port ⇒ Object
Returns the value of attribute server_port.
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 11 def server_port @server_port end |
Instance Method Details
#find_common_ip(machine_ip, ip_list) ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 97 def find_common_ip(machine_ip,ip_list) def left_largest_common_substr(s1,s2) res='' s2.scan(/./).each_with_index do |l1,i| if s1[i]==l1 res << l1 else break end end res end def remove_final_dot(s) res=s # remove final dot if res[res.length-1]=='.' res=res[0,res.length-1] end return res end res='' common_ip='' ip_list.each do |ip| res=left_largest_common_substr(ip,machine_ip) res=remove_final_dot(res) if res.length>common_ip.length common_ip=res end end return common_ip end |
#launch_external_workers(workers) ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 141 def launch_external_workers(workers) #skip if slurm detected if system("which srun > /dev/null 2>&1") return end puts "Launching #{workers.count} external workers: #{workers}" puts "INIT_ENV_FILE: #{@init_env_file}" # This sleep is necessary to leave time to lustre fylesystems to sync the log folder between all nodes. If not, external workers will not be launched. if !workers.empty? puts "SLEEP 10 for logs folder sync in lustre fs" sleep 10 end init='' if @init_env_file init_path = File.(@init_env_file) # path = File.join($ROOT_PATH) # puts "init_env file: #{path}" if File.exists?(init_path) puts "File #{init_path} exists, using it" init=". #{init_path}; " end end init_dir=Dir.pwd cd ='' if File.exists?(init_dir) cd = "cd #{init_dir}; " end workers.each do |machine| log_file=File.join(init_dir,'logs',"launcher_#{@@worker_id}") log_dir=File.join(init_dir,'logs') # if server_ip is not in valid ips if !@server_ip_list.include?(@server_ip) # find matching ip between server and worker machine_ip = Resolv.getaddress(machine) matching_ip=find_common_ip(machine_ip,@server_ip_list) found_ip=@server_ip_list.select{|one_ip| one_ip.index(matching_ip)==0}.first else found_ip=@server_ip end if !found_ip.nil? # cmd = "ssh #{machine} \"#{init} #{cd} #{INTERPRETER} #{File.join(File.dirname(__FILE__),'main_worker.rb')} #{worker_id.to_s} #{@server_ip} #{@server_port} #{@worker_file}\"" # cmd = "ssh #{machine} \"nohup #{File.join(File.dirname(__FILE__),'launcher.sh')} #{worker_id.to_s} #{@server_ip} #{@server_port} #{@worker_file} #{init_dir} #{init_path} </dev/null >> #{log_file} 2>> #{log_file} & \"" cmd = "ssh #{machine} \"nohup #{File.join(File.dirname(__FILE__),'launcher.sh')} #{@@worker_id.to_s} #{found_ip} #{@server_port} #{@worker_file} #{init_dir} #{init_path} </dev/null >> #{log_file} 2>> #{log_file} & \"" $LAUNCHER_LOG.info cmd pid=fork{ exec(cmd) } @@worker_id+=1 else $LAUNCHER_LOG.error("Couldn't find a matching ip between worker (#{machine_ip}) and server #{ip_list.to_json}") end end end |
#launch_worker(worker_id, server_ip, server_port) ⇒ Object
override this
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 90 def launch_worker(worker_id, server_ip, server_port) cmd = "#{INTERPRETER} #{File.join(File.dirname(__FILE__),'main_worker.rb')} #{worker_id.to_s} #{server_ip} #{server_port} #{@worker_file}" puts cmd exec(cmd) end |
#launch_workers ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 42 def launch_workers if system("which srun > /dev/null 2>&1") && (!ENV['SLURM_PROCID'].to_s.empty?) $LAUNCHER_LOG.info "SLURM DETECTED" $LAUNCHER_LOG.info "Launching #{@workers} workers via srun" launch_workers_srun else $LAUNCHER_LOG.info "Launching #{@workers} workers via SSH" launch_workers_ssh end end |
#launch_workers_and_wait ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 37 def launch_workers_and_wait launch_workers Process.waitall end |
#launch_workers_srun ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 55 def launch_workers_srun # TODO - si aqui falla algo, no peta, se bloquea $LAUNCHER_LOG.info "Launching #{@workers} srun workers" pid=fork{ $LAUNCHER_LOG.info "Connecting #{@workers} srun workers to #{@server_ip}:#{@server_port}" cmd = "srun #{File.join(File.dirname(__FILE__),'main_worker.rb')} auto #{server_ip} #{server_port} #{@worker_file}" $LAUNCHER_LOG.info cmd exec(cmd) } $LAUNCHER_LOG.info "All workers launched" end |
#launch_workers_ssh ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 70 def launch_workers_ssh # TODO - si aqui falla algo, no peta, se bloquea $LAUNCHER_LOG.info "Launching #{@workers} local workers" if @workers > 0 $LAUNCHER_LOG.info "Connecting #{@workers} local workers to #{@server_ip}:#{@server_port}" threads = [] @workers.times do |i| pid=fork{ launch_worker(@@worker_id,@server_ip,@server_port) $LAUNCHER_LOG.info "Worker #{i} launched [#{@server_ip}:#{@server_port}]" } @@worker_id+=1 #threads.each { |aThread| aThread.join } end #Process.waitall $LAUNCHER_LOG.info "All workers launched" end end |
#left_largest_common_substr(s1, s2) ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 99 def left_largest_common_substr(s1,s2) res='' s2.scan(/./).each_with_index do |l1,i| if s1[i]==l1 res << l1 else break end end res end |
#remove_final_dot(s) ⇒ Object
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# File 'lib/scbi_mapreduce/worker_launcher.rb', line 113 def remove_final_dot(s) res=s # remove final dot if res[res.length-1]=='.' res=res[0,res.length-1] end return res end |