GutoVeronezi commented on a change in pull request #4790:
URL: https://github.com/apache/cloudstack/pull/4790#discussion_r592296797



##########
File path: server/src/main/java/com/cloud/server/StatsCollector.java
##########
@@ -1599,10 +1621,21 @@ public String getConfigComponentName() {
 
     @Override
     public ConfigKey<?>[] getConfigKeys() {
-        return new ConfigKey<?>[] {vmDiskStatsInterval, 
vmDiskStatsIntervalMin, vmNetworkStatsInterval, vmNetworkStatsIntervalMin, 
StatsTimeout, statsOutputUri};
+        return new ConfigKey<?>[] {vmDiskStatsInterval, 
vmDiskStatsIntervalMin, vmNetworkStatsInterval, vmNetworkStatsIntervalMin, 
StatsTimeout, statsOutputUri, secondaryStorageCapacityThreshold};
     }
 
     public double getImageStoreCapacityThreshold() {
-        return _imageStoreCapacityThreshold;
+        double thresholdConfig = secondaryStorageCapacityThreshold.value();
+
+        if (thresholdConfig >= MIN_STORAGE_SECONDARY_CAPACITY_THRESHOLD && 
thresholdConfig <= MAX_STORAGE_SECONDARY_CAPACITY_THRESHOLD) {
+            return thresholdConfig;
+        }
+
+        s_logger.warn(String.format("Invalid [%s] configuration: value set 
[%s] is [%s]. Assuming %s as secondary storage capacity threshold.",
+                                    secondaryStorageCapacityThreshold.key(),
+                                    thresholdConfig,
+                                    thresholdConfig < 
MIN_STORAGE_SECONDARY_CAPACITY_THRESHOLD ? String.format("lower than '%s'", 
MIN_STORAGE_SECONDARY_CAPACITY_THRESHOLD) : String.format("bigger than '%s'", 
MAX_STORAGE_SECONDARY_CAPACITY_THRESHOLD),
+                                    MAX_STORAGE_SECONDARY_CAPACITY_THRESHOLD));
+        return MAX_STORAGE_SECONDARY_CAPACITY_THRESHOLD;

Review comment:
       I thought about it too and came to a possible resolution:
   
   - When the config is bigger than max, I think we should return max (as it is 
top limit);
   - When the config is lower than min, then we use default;
   
   What do you think?




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