Update Amazon Linux AMI again, plus a more reproducible process for f…

…uture updates

Signed-off-by: Irving Popovetsky <[email protected]>

README.md

@@ -104,6 +104,21 @@ Yes, it is significantly more robust and easier to operate.
 
 Contributions are welcomed!
 
+# Developer notes
+
+## RegionMap
+To update the region map execute the following lines in your terminal and then paste the results into the `AWSRegion2AMI` mappings section of the template:
+
+```bash
+AMAZON_RELEASE='amzn-ami-hvm-2017.09.1.20180115-x86_64-gp2'
+regions=$(aws ec2 describe-regions --query "Regions[].RegionName" --output text)
+for region in $regions; do
+  ami=$(aws --region $region ec2 describe-images \
+  --filters "Name=name,Values=${AMAZON_RELEASE}" \
+  --query "Images[0].ImageId" --output "text")
+  printf "    $region:\n      AMI: $ami\n"; done
+```
+
 # Credits
 
 This project was inspired by the work of [Levi Smith](https://github.com/TheFynx) of the Hearst Automation Team and published at [HearstAT/cfn_backendless_chef](https://github.com/HearstAT/cfn_backendless_chef).  Thanks Levi!

backendless_chef.yaml

@@ -1,5 +1,5 @@
 AWSTemplateFormatVersion: '2010-09-09'
-Description: AWS Native Chef Server v3.1.2
+Description: AWS Native Chef Server v3.1.3
 
 Parameters:
   # Required Parameters
@@ -245,22 +245,36 @@ Conditions:
 # - Support upstart as the init system, or else rewrite the below aws-signing-proxy service defitinion into systemd
 Mappings:
   AWSRegion2AMI:
-    ca-central-1:
-      AMI: ami-61f97c05
-    eu-west-1:
-      AMI: ami-e487179d
-    eu-west-2:
-      AMI: ami-51809835
+    ap-south-1:
+      AMI: ami-531a4c3c
     eu-west-3:
-      AMI: ami-fe03b483
+      AMI: ami-8ee056f3
+    eu-west-2:
+      AMI: ami-403e2524
+    eu-west-1:
+      AMI: ami-d834aba1
+    ap-northeast-2:
+      AMI: ami-863090e8
+    ap-northeast-1:
+      AMI: ami-ceafcba8
+    sa-east-1:
+      AMI: ami-84175ae8
+    ca-central-1:
+      AMI: ami-a954d1cd
+    ap-southeast-1:
+      AMI: ami-68097514
+    ap-southeast-2:
+      AMI: ami-942dd1f6
+    eu-central-1:
+      AMI: ami-5652ce39
     us-east-1:
-      AMI: ami-cb9ec1b1
+      AMI: ami-97785bed
     us-east-2:
-      AMI: ami-caaf84af
+      AMI: ami-f63b1193
     us-west-1:
-      AMI: ami-95eeeef5
+      AMI: ami-824c4ee2
     us-west-2:
-      AMI: ami-32cf7b4a
+      AMI: ami-f2d3638a
 
 Resources:
 # Frontend Autoscale Groups