shwstppr commented on a change in pull request #4884:
URL: https://github.com/apache/cloudstack/pull/4884#discussion_r608461757



##########
File path: 
plugins/host-allocators/random/src/main/java/com/cloud/agent/manager/allocator/impl/RandomAllocator.java
##########
@@ -146,14 +165,23 @@
             if (suitableHosts.size() == returnUpTo) {
                 break;
             }
-
-            if (!avoid.shouldAvoid(host)) {
-                suitableHosts.add(host);
-            } else {
+            if (avoid.shouldAvoid(host)) {
                 if (s_logger.isDebugEnabled()) {
                     s_logger.debug("Host name: " + host.getName() + ", hostId: 
" + host.getId() + " is in avoid set, skipping this and trying other available 
hosts");
                 }
+                continue;
+            }
+            Pair<Boolean, Boolean> cpuCapabilityAndCapacity = 
capacityManager.checkIfHostHasCpuCapabilityAndCapacity(host, offering, 
considerReservedCapacity);
+            if (!cpuCapabilityAndCapacity.first() || 
!cpuCapabilityAndCapacity.second()) {
+                if (s_logger.isDebugEnabled()) {
+                    s_logger.debug("Not using host " + host.getId() + "; host 
has cpu capability? " + cpuCapabilityAndCapacity.first() + ", host has 
capacity?" + cpuCapabilityAndCapacity.second());
+                }
+                continue;
+            }
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug("Found a suitable host, adding to list: " + 
host.getId());
             }
+            suitableHosts.add(host);

Review comment:
       @DaanHoogland refactored




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