4138: Prepare Node Manager GCE driver for production.

[arvados.git] / services / nodemanager / arvnodeman / jobqueue.py

diff --git a/services/nodemanager/arvnodeman/jobqueue.py b/services/nodemanager/arvnodeman/jobqueue.py
index 239934f52911782730840d3d1aa5042866345451..06f66b71c244f5662fb0c9871f7c92b0603f1617 100644 (file)
--- a/services/nodemanager/arvnodeman/jobqueue.py
+++ b/services/nodemanager/arvnodeman/jobqueue.py
@@ -38,11 +38,10 @@ class ServerCalculator(object):
             return True
 
 
-    def __init__(self, server_list, min_nodes=0, max_nodes=None):
+    def __init__(self, server_list, max_nodes=None):
         self.cloud_sizes = [self.CloudSizeWrapper(s, **kws)
                             for s, kws in server_list]
         self.cloud_sizes.sort(key=lambda s: s.price)
-        self.min_nodes = min_nodes
         self.max_nodes = max_nodes or float('inf')
         self.logger = logging.getLogger('arvnodeman.jobqueue')
         self.logged_jobs = set()
@@ -79,15 +78,11 @@ class ServerCalculator(object):
             elif (want_count <= self.max_nodes):
                 servers.extend([cloud_size.real] * max(1, want_count))
         self.logged_jobs.intersection_update(seen_jobs)
-
-        # Make sure the server queue has at least enough entries to
-        # satisfy min_nodes.
-        node_shortfall = self.min_nodes - len(servers)
-        if node_shortfall > 0:
-            basic_node = self.cloud_size_for_constraints({})
-            servers.extend([basic_node.real] * node_shortfall)
         return servers
 
+    def cheapest_size(self):
+        return self.cloud_sizes[0]
+
 
 class JobQueueMonitorActor(clientactor.RemotePollLoopActor):
     """Actor to generate server wishlists from the job queue.