diff --git a/lib/terraforming/resource/kms_key.rb b/lib/terraforming/resource/kms_key.rb
index 391db85f..2dbc2cb7 100644
--- a/lib/terraforming/resource/kms_key.rb
+++ b/lib/terraforming/resource/kms_key.rb
@@ -48,11 +48,34 @@ def aliases
       end
 
       def keys
-        @client
-          .list_keys
-          .keys
+        allKeys = Array.new
+        flag = true
+        m = nil
+
+        while flag  do
+           res = @client
+                       .list_keys({
+                                    limit: 1000,
+                                    marker: m,
+                                  })
+
+           flag = res.truncated
+           m = res.next_marker
+           #res.keys.each {|key| puts module_name_of(key)}
+
+
+           allKeys = allKeys.concat(res.keys)
+           sleep(0.3)
+        end
+
+
+
+        allKeys
           .reject { |key| managed_master_key?(key) }
-          .map { |key| @client.describe_key(key_id: key.key_id) }
+          .map { |key|
+          sleep(0.2)
+          @client.describe_key(key_id: key.key_id)
+          }
           .map(&:key_metadata)
           .reject { |metadata| metadata.origin == "EXTERNAL" } # external origin key is not supoprted by Terraform
       end
diff --git a/lib/terraforming/resource/security_group.rb b/lib/terraforming/resource/security_group.rb
index dfadd4b9..ec8806a3 100644
--- a/lib/terraforming/resource/security_group.rb
+++ b/lib/terraforming/resource/security_group.rb
@@ -113,6 +113,53 @@ def permission_attributes_of(security_group, permission, type)
       end
 
       def dedup_permissions(permissions, group_id)
+
+        more = []
+
+        permissions.each { |a|
+
+            if a.user_id_group_pairs.any?
+
+                pairs = []
+                h = Hash.new
+
+                a.user_id_group_pairs.each { |r, i|
+                    if r.description.nil?
+                        r.description = ""
+                    end
+                    if !h.has_key? r.description.to_s
+                       h[r.description] = [r]
+                    else
+                       h[r.description].push r
+                    end
+                }
+                h.each_pair { |k, v|
+                    if k.to_s.empty?
+                        next
+                    end
+                    a1 = a.dup
+                    a1.ipv_6_ranges = []
+                    a1.prefix_list_ids = []
+                    a1.ip_ranges = []
+                    a1.user_id_group_pairs = v
+                    more.push a1
+                }
+
+                if h.has_key? ""
+                    a.user_id_group_pairs   = h[""]
+                    more.push a
+                end
+
+
+            else
+
+                more.push a
+
+            end
+
+        }
+        permissions = more
+
         group_permissions(permissions).inject([]) do |result, (_, perms)|
           group_ids = perms.map(&:user_id_group_pairs).flatten.map(&:group_id)
 
@@ -127,6 +174,7 @@ def dedup_permissions(permissions, group_id)
       end
 
       def group_permissions(permissions)
+
         permissions.group_by { |permission| [permission.ip_protocol, permission.to_port, permission.from_port] }
       end
 
diff --git a/lib/terraforming/template/tf/auto_scaling_group.erb b/lib/terraforming/template/tf/auto_scaling_group.erb
index 70c58527..bb5c6aa1 100644
--- a/lib/terraforming/template/tf/auto_scaling_group.erb
+++ b/lib/terraforming/template/tf/auto_scaling_group.erb
@@ -11,6 +11,7 @@ resource "aws_autoscaling_group" "<%= module_name_of(group) %>" {
     max_size                  = <%= group.max_size %>
     min_size                  = <%= group.min_size %>
     name                      = "<%= group.auto_scaling_group_name %>"
+    enabled_metrics           = <%= group.enabled_metrics.map(&:metric) %>
 <%- if vpc_zone_specified -%>
     vpc_zone_identifier       = <%= vpc_zone_identifier_of(group).inspect %>
 <%- end -%>
diff --git a/lib/terraforming/template/tf/db_parameter_group.erb b/lib/terraforming/template/tf/db_parameter_group.erb
index e2e07181..e95ca224 100644
--- a/lib/terraforming/template/tf/db_parameter_group.erb
+++ b/lib/terraforming/template/tf/db_parameter_group.erb
@@ -2,7 +2,7 @@
 resource "aws_db_parameter_group" "<%= module_name_of(parameter_group) %>" {
     name        = "<%= parameter_group.db_parameter_group_name %>"
     family      = "<%= parameter_group.db_parameter_group_family %>"
-    description = "<%= parameter_group.description %>"
+    description = <%= parameter_group.description.inspect %>
 
 <% db_parameters_in(parameter_group).each do |parameter| -%>
     parameter {
diff --git a/lib/terraforming/template/tf/db_security_group.erb b/lib/terraforming/template/tf/db_security_group.erb
index b4bbb6de..7b1cd3d0 100644
--- a/lib/terraforming/template/tf/db_security_group.erb
+++ b/lib/terraforming/template/tf/db_security_group.erb
@@ -1,7 +1,7 @@
 <% db_security_groups.each do |security_group| -%>
 resource "aws_db_security_group" "<%= module_name_of(security_group) %>" {
     name        = "<%= security_group.db_security_group_name %>"
-    description = "<%= security_group.db_security_group_description %>"
+    description = <%= security_group.db_security_group_description.inspect %>
 
 <% security_group.ip_ranges.each do |cidr| -%>
     ingress {
diff --git a/lib/terraforming/template/tf/ec2.erb b/lib/terraforming/template/tf/ec2.erb
index a4e17b93..e6fb9024 100644
--- a/lib/terraforming/template/tf/ec2.erb
+++ b/lib/terraforming/template/tf/ec2.erb
@@ -1,4 +1,5 @@
 <% instances.each do |instance| -%>
+<%- sleep(0.2)  -%>
 resource "aws_instance" "<%= module_name_of(instance) %>" {
     ami                         = "<%= instance.image_id %>"
     availability_zone           = "<%= instance.placement.availability_zone %>"
diff --git a/lib/terraforming/template/tf/elasti_cache_subnet_group.erb b/lib/terraforming/template/tf/elasti_cache_subnet_group.erb
index 89427e17..c1702fc9 100644
--- a/lib/terraforming/template/tf/elasti_cache_subnet_group.erb
+++ b/lib/terraforming/template/tf/elasti_cache_subnet_group.erb
@@ -1,7 +1,7 @@
 <% cache_subnet_groups.each do |cache_subnet_group| -%>
 resource "aws_elasticache_subnet_group" "<%= module_name_of(cache_subnet_group) %>" {
     name        = "<%= cache_subnet_group.cache_subnet_group_name %>"
-    description = "<%= cache_subnet_group.cache_subnet_group_description %>"
+    description = <%= cache_subnet_group.cache_subnet_group_description.inspect %>
     subnet_ids  = <%= subnet_ids_of(cache_subnet_group).inspect %>
 }
 
diff --git a/lib/terraforming/template/tf/elb.erb b/lib/terraforming/template/tf/elb.erb
index fcb9c164..f482faa0 100644
--- a/lib/terraforming/template/tf/elb.erb
+++ b/lib/terraforming/template/tf/elb.erb
@@ -1,4 +1,5 @@
 <% load_balancers.each do |load_balancer| -%>
+  <%- sleep(0.2)  -%>
   <%- load_balancer_attributes = load_balancer_attributes_of(load_balancer) -%>
 resource "aws_elb" "<%= module_name_of(load_balancer) %>" {
     name                        = "<%= load_balancer.load_balancer_name %>"
diff --git a/lib/terraforming/template/tf/iam_instance_profile.erb b/lib/terraforming/template/tf/iam_instance_profile.erb
index 079463a6..705373f7 100644
--- a/lib/terraforming/template/tf/iam_instance_profile.erb
+++ b/lib/terraforming/template/tf/iam_instance_profile.erb
@@ -2,7 +2,9 @@
 resource "aws_iam_instance_profile" "<%= module_name_of(profile) %>" {
     name = "<%= profile.instance_profile_name %>"
     path = "<%= profile.path %>"
+    <%- if profile.roles[0] != nil -%>
     role = "<%= profile.roles[0].role_name %>"
+    <%- end -%>
 }
 
 <% end -%>
diff --git a/lib/terraforming/template/tf/iam_policy.erb b/lib/terraforming/template/tf/iam_policy.erb
index 7eea94b6..b3abb5aa 100644
--- a/lib/terraforming/template/tf/iam_policy.erb
+++ b/lib/terraforming/template/tf/iam_policy.erb
@@ -3,7 +3,7 @@
 resource "aws_iam_policy" "<%= module_name_of(policy) %>" {
     name        = "<%= policy.policy_name %>"
     path        = "<%= policy.path %>"
-    description = "<%= iam_policy_description(policy) %>"
+    description = <%= iam_policy_description(policy).inspect %>
     policy      = <<POLICY
 <%= prettify_policy(version.document, unescape: true) %>
 POLICY
diff --git a/lib/terraforming/template/tf/launch_configuration.erb b/lib/terraforming/template/tf/launch_configuration.erb
index f8d4af85..62a7c6f2 100644
--- a/lib/terraforming/template/tf/launch_configuration.erb
+++ b/lib/terraforming/template/tf/launch_configuration.erb
@@ -63,6 +63,9 @@ resource "aws_launch_configuration" "<%= module_name_of(launch_configuration) %>
 
     <%- end -%>
 <%- end -%>
+    lifecycle {
+            ignore_changes = ["name_prefix"]
+    }
 }
 
 <%- end -%>
diff --git a/lib/terraforming/template/tf/security_group.erb b/lib/terraforming/template/tf/security_group.erb
index f30760b8..66d4cd13 100644
--- a/lib/terraforming/template/tf/security_group.erb
+++ b/lib/terraforming/template/tf/security_group.erb
@@ -1,7 +1,7 @@
 <% security_groups.each do |security_group| -%>
 resource "aws_security_group" "<%= module_name_of(security_group) %>" {
     name        = "<%= security_group.group_name %>"
-    description = "<%= security_group.description %>"
+    description = <%= security_group.description.inspect %>
     vpc_id      = "<%= security_group.vpc_id || '' %>"
 
 <% dedup_permissions(security_group.ip_permissions, security_group.group_id).each do |permission| -%>
@@ -16,10 +16,16 @@ resource "aws_security_group" "<%= module_name_of(security_group) %>" {
 <%- if permission.ip_ranges.length > 0 -%>
         cidr_blocks     = <%= permission.ip_ranges.map { |range| range.cidr_ip }.inspect %>
 <%- end -%>
+<%- if permission.ipv_6_ranges.length > 0 -%>
+        ipv6_cidr_blocks     = <%= permission.ipv_6_ranges.map { |range| range.cidr_ipv_6 }.inspect %>
+<%- end -%>
 <%- if permission.user_id_group_pairs.length > 0 -%>
   <%- self_referenced = self_referenced_permission?(security_group, permission) -%>
         security_groups = <%= security_groups.inspect %>
         self            = <%= self_referenced %>
+        <%- if !permission.user_id_group_pairs[0].description.to_s.empty? -%>
+        description     = "<%= permission.user_id_group_pairs[0].description.to_s %>"
+        <%- end -%>
 <%- end -%>
     }