#3626 Only save usable AWS instance types

Summary:
When initializing AWS provider, all instance type information is saved. This can consume a lot of
time later and cause problems if certain AWS regions change.

Test Plan: Create AWS provider

Reviewers: arnav, ram

Reviewed By: ram

Subscribers: jenkins-bot, yugaware

Differential Revision: https://phabricator.dev.yugabyte.com/D8016

managed/src/main/java/com/yugabyte/yw/cloud/AWSInitializer.java

@@ -292,8 +292,12 @@ private void storeInstancePriceComponents(JsonNode productDetailsListJson,
           matches(productAttrs, "storage", FilterOp.Contains, "EBS"));
       // Make sure it is current generation.
       include &= matches(productAttrs, "currentGeneration", FilterOp.Equals, "Yes");
-      // Make sure tenancy is shared
+      // Make sure tenancy is shared.
       include &= matches(productAttrs, "tenancy", FilterOp.Equals, "Shared");
+      // Make sure it is the base instance type.
+      include &= matches(productAttrs, "preInstalledSw", FilterOp.Equals, "NA");
+      // Make sure instance type is supported.
+      include &= isInstanceTypeSupported(productAttrs);
 
       if (include) {
         JsonNode attributesJson = productDetailsJson.get("attributes");
@@ -411,8 +415,12 @@ private void parseProductDetailsList(JsonNode productDetailsListJson) {
                   matches(productAttrs, "storage", FilterOp.Contains, "EBS"));
       // Make sure it is current generation.
       include &= matches(productAttrs, "currentGeneration", FilterOp.Equals, "Yes");
-      // Make sure tenancy is shared
+      // Make sure tenancy is shared.
       include &= matches(productAttrs, "tenancy", FilterOp.Equals, "Shared");
+      // Make sure it is the base instance type.
+      include &= matches(productAttrs, "preInstalledSw", FilterOp.Equals, "NA");
+      // Make sure instance type is supported.
+      include &= isInstanceTypeSupported(productAttrs);
 
       if (!include) {
         if (enableVerboseLogging) {
@@ -605,4 +613,9 @@ private boolean matches(Map<String, String> objAttrs, String name, FilterOp op,
         return false;
     }
   }
+
+  private boolean isInstanceTypeSupported(Map<String, String> productAttributes) {
+    return InstanceType.AWS_INSTANCE_PREFIXES_SUPPORTED.stream().anyMatch(
+      productAttributes.getOrDefault("instanceType", "")::startsWith);
+  }
 }

managed/src/main/java/com/yugabyte/yw/models/InstanceType.java

@@ -29,7 +29,8 @@
 public class InstanceType extends Model {
   public static final Logger LOG = LoggerFactory.getLogger(InstanceType.class);
 
-  static List<String> AWS_INSTANCE_PREFIXES_SUPPORTED = ImmutableList.of("m3.", "c5.", "c4.", "c3.", "i3.");
+  public static List<String> AWS_INSTANCE_PREFIXES_SUPPORTED = ImmutableList.of(
+    "m3.", "c5.", "c4.", "c3.", "i3.");
 
   public enum VolumeType {
     @EnumValue("EBS")