X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b91db14a4dced9d6ea124e86be3c796e6f2c8e8c..f48482bd37d3ae5a5f1aa488fa330f77c5fd640d:/services/api/script/crunch-dispatch.rb

diff --git a/services/api/script/crunch-dispatch.rb b/services/api/script/crunch-dispatch.rb
index 43a527afac..87acb651a4 100755
--- a/services/api/script/crunch-dispatch.rb
+++ b/services/api/script/crunch-dispatch.rb
@@ -1,5 +1,7 @@
 #!/usr/bin/env ruby
 
+require 'trollop'
+
 include Process
 
 $warned = {}
@@ -20,14 +22,17 @@ if ENV["CRUNCH_DISPATCH_LOCKFILE"]
   end
 end
 
+$trollopts = Trollop::options do
+    opt :use_env, "Pass selected environment variables (PATH, PYTHONPATH, RUBYLIB, GEM_PATH, PERLLIB) to crunch-job"
+end
+
 ENV["RAILS_ENV"] = ARGV[0] || ENV["RAILS_ENV"] || "development"
 
 require File.dirname(__FILE__) + '/../config/boot'
 require File.dirname(__FILE__) + '/../config/environment'
 require 'open3'
 
-$redis ||= Redis.new
-LOG_BUFFER_SIZE = 2**20
+LOG_BUFFER_SIZE = 4096
 
 class Dispatcher
   include ApplicationHelper
@@ -135,9 +140,23 @@ class Dispatcher
       end
 
       if Server::Application.config.crunch_job_user
-        cmd_args.unshift("sudo", "-E", "-u",
-                         Server::Application.config.crunch_job_user,
-                         "PERLLIB=#{ENV['PERLLIB']}")
+        cmd_args.unshift("sudo", "-E", "-u", Server::Application.config.crunch_job_user)
+      end
+
+      cmd_args << "HOME=/dev/null"
+      cmd_args << "ARVADOS_API_HOST=#{ENV['ARVADOS_API_HOST']}"
+      cmd_args << "ARVADOS_API_HOST_INSECURE=#{ENV['ARVADOS_API_HOST_INSECURE']}" if ENV['ARVADOS_API_HOST_INSECURE']
+
+      ENV.each do |k, v|
+        cmd_args << "#{k}=#{v}" if k.starts_with? "CRUNCH_"
+      end
+
+      if $trollopts.use_env
+        cmd_args << "PATH=#{ENV['PATH']}"
+        cmd_args << "PYTHONPATH=#{ENV['PYTHONPATH']}"
+        cmd_args << "PERLLIB=#{ENV['PERLLIB']}"
+        cmd_args << "RUBYLIB=#{ENV['RUBYLIB']}"
+        cmd_args << "GEM_PATH=#{ENV['GEM_PATH']}"
       end
 
       job_auth = ApiClientAuthorization.
@@ -177,10 +196,10 @@ class Dispatcher
       cmd_args << '--git-dir'
       cmd_args << arvados_internal
 
-      $stderr.puts "dispatch: #{cmd_args.join ' '}"
+      $stderr.puts "dispatch: #{cmd_args}"
 
       begin
-        i, o, e, t = Open3.popen3(*cmd_args)
+        i, o, e, t = Open3.popen3({}, *cmd_args, { :unsetenv_others => true})
       rescue
         $stderr.puts "dispatch: popen3: #{$!}"
         sleep 1
@@ -191,9 +210,6 @@ class Dispatcher
       $stderr.puts "dispatch: job #{job.uuid}"
       start_banner = "dispatch: child #{t.pid} start #{Time.now.ctime.to_s}"
       $stderr.puts start_banner
-      $redis.set job.uuid, start_banner + "\n"
-      $redis.publish job.uuid, start_banner
-      $redis.publish job.owner_uuid, start_banner
 
       @running[job.uuid] = {
         stdin: i,
@@ -204,7 +220,9 @@ class Dispatcher
         stderr_buf: '',
         started: false,
         sent_int: 0,
-        job_auth: job_auth
+        job_auth: job_auth,
+        stderr_buf_to_flush: '',
+        stderr_flushed_at: 0
       }
       i.close
     end
@@ -249,16 +267,12 @@ class Dispatcher
           lines.each do |line|
             $stderr.print "#{job_uuid} ! " unless line.index(job_uuid)
             $stderr.puts line
-            pub_msg = "#{Time.now.ctime.to_s} #{line.strip}"
-            $redis.publish job.owner_uuid, pub_msg
-            $redis.publish job_uuid, pub_msg
-            $redis.append job_uuid, pub_msg + "\n"
-            if LOG_BUFFER_SIZE < $redis.strlen(job_uuid)
-              $redis.set(job_uuid,
-                         $redis
-                           .getrange(job_uuid, (LOG_BUFFER_SIZE >> 1), -1)
-                           .sub(/^.*?\n/, ''))
-            end
+            pub_msg = "#{Time.now.ctime.to_s} #{line.strip} \n"
+            j[:stderr_buf_to_flush] << pub_msg
+          end
+
+          if (LOG_BUFFER_SIZE < j[:stderr_buf_to_flush].size) || ((j[:stderr_flushed_at]+1) < Time.now.to_i)
+            write_log j
           end
         end
       end
@@ -306,6 +320,8 @@ class Dispatcher
 
     # Ensure every last drop of stdout and stderr is consumed
     read_pipes
+    write_log j_done # write any remaining logs
+
     if j_done[:stderr_buf] and j_done[:stderr_buf] != ''
       $stderr.puts j_done[:stderr_buf] + "\n"
     end
@@ -333,8 +349,6 @@ class Dispatcher
     # Invalidate the per-job auth token
     j_done[:job_auth].update_attributes expires_at: Time.now
 
-    $redis.publish job_done.uuid, "end"
-
     @running.delete job_done.uuid
   end
 
@@ -400,6 +414,26 @@ class Dispatcher
       true
     end
   end
+
+  # send message to log table. we want these records to be transient
+  def write_log running_job
+    begin
+      if (running_job && running_job[:stderr_buf_to_flush] != '')
+        log = Log.new(object_uuid: running_job[:job].uuid,
+                      event_type: 'stderr',
+                      owner_uuid: running_job[:job].owner_uuid,
+                      properties: {"text" => running_job[:stderr_buf_to_flush]})
+        log.save!
+        running_job[:stderr_buf_to_flush] = ''
+        running_job[:stderr_flushed_at] = Time.now.to_i
+      end
+    rescue
+      running_job[:stderr_buf] = "Failed to write logs \n"
+      running_job[:stderr_buf_to_flush] = ''
+      running_job[:stderr_flushed_at] = Time.now.to_i
+    end
+  end
+
 end
 
 # This is how crunch-job child procs know where the "refresh" trigger file is