X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/da51b9328abab2df757ed13eadc7c3557315094b..7a537556b3503bf957ad3da2bf27885518a33230:/services/api/app/models/node.rb

diff --git a/services/api/app/models/node.rb b/services/api/app/models/node.rb
index 0934f2e982..805e1ccd41 100644
--- a/services/api/app/models/node.rb
+++ b/services/api/app/models/node.rb
@@ -8,13 +8,7 @@ class Node < ArvadosModel
 
   MAX_SLOTS = 64
 
-  @@confdir = if Rails.configuration.respond_to? :dnsmasq_conf_dir
-                Rails.configuration.dnsmasq_conf_dir
-              elsif File.exists? '/etc/dnsmasq.d/.'
-                '/etc/dnsmasq.d'
-              else
-                nil
-              end
+  @@confdir = Rails.configuration.dnsmasq_conf_dir
   @@domain = Rails.configuration.compute_node_domain rescue `hostname --domain`.strip
   @@nameservers = Rails.configuration.compute_node_nameservers
 
@@ -127,17 +121,23 @@ class Node < ArvadosModel
   def start!(ping_url_method)
     ensure_permission_to_update
     ping_url = ping_url_method.call({ uuid: self.uuid, ping_secret: self.info[:ping_secret] })
-    ec2_args = ["--user-data '#{ping_url}'",
-                "-t c1.xlarge -n 1",
-                Rails.configuration.compute_node_ec2run_args,
-                Rails.configuration.compute_node_ami
-               ]
-    ec2run_cmd = ["ec2-run-instances",
-                  "--client-token", self.uuid,
-                  ec2_args].flatten.join(' ')
-    ec2spot_cmd = ["ec2-request-spot-instances",
-                   "-p #{Rails.configuration.compute_node_spot_bid} --type one-time",
-                   ec2_args].flatten.join(' ')
+    if (Rails.configuration.compute_node_ec2run_args and
+        Rails.configuration.compute_node_ami)
+      ec2_args = ["--user-data '#{ping_url}'",
+                  "-t c1.xlarge -n 1",
+                  Rails.configuration.compute_node_ec2run_args,
+                  Rails.configuration.compute_node_ami
+                 ]
+      ec2run_cmd = ["ec2-run-instances",
+                    "--client-token", self.uuid,
+                    ec2_args].flatten.join(' ')
+      ec2spot_cmd = ["ec2-request-spot-instances",
+                     "-p #{Rails.configuration.compute_node_spot_bid} --type one-time",
+                     ec2_args].flatten.join(' ')
+    else
+      ec2run_cmd = ''
+      ec2spot_cmd = ''
+    end
     self.info[:ec2_run_command] = ec2run_cmd
     self.info[:ec2_spot_command] = ec2spot_cmd
     self.info[:ec2_start_command] = ec2spot_cmd