Added condition for all the node_info cases

Author: Chaithra001

internal/service/grid/member_resource.go

@@ -556,17 +556,37 @@ func (r *MemberResource) ValidateConfig(ctx context.Context, req resource.Valida
 				mgmtCheckComplete = true
 			}
 		}
+		 // enableHaFalse: true when enable_ha is null (defaults to false) or explicitly false.
+        // Skipped when enable_ha is unknown (value not yet determined at plan time).
+        enableHaFalse := data.EnableHa.IsNull() || (!data.EnableHa.IsUnknown() && !data.EnableHa.ValueBool())
+        // enableHaTrue: true only when enable_ha is explicitly set to true.
+        enableHaTrue := !data.EnableHa.IsNull() && !data.EnableHa.IsUnknown() && data.EnableHa.ValueBool()
 
-		if len(nodeInfo) == 2 {
-            if data.EnableHa.IsNull() || data.EnableHa.IsUnknown() || !data.EnableHa.ValueBool() {
-                resp.Diagnostics.AddError("Validation Error", "node_info contains 2 nodes but enable_ha is not set to true. Either set enable_ha = true to enable HA mode, or configure only a single node in node_info when enable_ha is false")
-            }
-        } else if len(nodeInfo) > 2 {
-            if !data.EnableHa.IsNull() && !data.EnableHa.IsUnknown() && data.EnableHa.ValueBool() {
-                resp.Diagnostics.AddError("Validation Error", "node_info must contain exactly 2 nodes when enable_ha is true")
-            } else {
-                resp.Diagnostics.AddError("Validation Error", "node_info must contain 1 node when enable_ha is false")
-            }
+        nodeCount := len(nodeInfo)
+
+        // Condition 1: len(nodeInfo) == 2 requires enable_ha to be true
+        if nodeCount == 2 && enableHaFalse {
+            resp.Diagnostics.AddError("Validation Error", "enable_ha must be true when node_info has 2 nodes")
+        }
+
+        // Condition 2: enable_ha true requires exactly 2 nodes (not more)
+        if enableHaTrue && nodeCount > 2 {
+            resp.Diagnostics.AddError("Validation Error", "node_info must have exactly 2 nodes when enable_ha is true")
+        }
+
+        // Condition 3a: len(nodeInfo) > 2 with enable_ha false (or not set) is not allowed
+        if nodeCount > 2 && enableHaFalse {
+            resp.Diagnostics.AddError("Validation Error", "node_info cannot have more than 2 nodes when enable_ha is false")
+        }
+
+        // Condition 3b: len(nodeInfo) == 1 with enable_ha false (or not set) is not allowed
+        if nodeCount == 1 && enableHaFalse {
+            resp.Diagnostics.AddError("Validation Error", "node_info with a single node is not valid when enable_ha is false; provide exactly 2 nodes with enable_ha set to true, or omit node_info")
+        }
+
+        // Condition 3c: len(nodeInfo) == 1 with enable_ha true is not allowed
+        if nodeCount == 1 && enableHaTrue {
+            resp.Diagnostics.AddError("Validation Error", "node_info must have exactly 2 nodes when enable_ha is true; a single node_info entry is not valid")
         }
 	}