[ETL-658] Bucket for hosting static HTML files for GX reports (#120)

* Create templates to create another s3 bucket where GX reports/artifacts can be hosted from

config/develop/config.yaml

@@ -4,3 +4,4 @@ raw_bucket_name: recover-dev-raw-data
 template_bucket_name: recover-dev-cloudformation
 intermediate_bucket_name: recover-dev-intermediate-data
 processed_data_bucket_name: recover-dev-processed-data
+shareable_artifacts_vpn_bucket_name: recover-dev-shareable-artifacts-vpn

config/develop/s3-shareable-artifacts-vpn-bucket.yaml

@@ -0,0 +1,9 @@
+template:
+  type: file
+  path: s3-bucket-html-hosting.yaml
+stack_name: recover-dev-shareable-artifacts-vpn-bucket
+parameters:
+  BucketName: {{ stack_group_config.shareable_artifacts_vpn_bucket_name }}
+  EnableVpnAccess: "true"
+stack_tags:
+  {{ stack_group_config.default_stack_tags }}

config/prod/config.yaml

@@ -4,3 +4,4 @@ raw_bucket_name: recover-raw-data
 template_bucket_name: recover-cloudformation
 intermediate_bucket_name: recover-intermediate-data
 processed_data_bucket_name: recover-processed-data
+shareable_artifacts_vpn_bucket_name: recover-shareable-artifacts-vpn

config/prod/s3-shareable-artifacts-vpn-bucket.yaml

@@ -0,0 +1,9 @@
+template:
+  type: file
+  path: s3-bucket-html-hosting.yaml
+stack_name: recover-shareable-artifacts-vpn-bucket
+parameters:
+  BucketName: {{ stack_group_config.shareable_artifacts_vpn_bucket_name }}
+  EnableVpnAccess: "true"
+stack_tags:
+  {{ stack_group_config.default_stack_tags }}

templates/s3-bucket-html-hosting.yaml

@@ -0,0 +1,90 @@
+AWSTemplateFormatVersion: 2010-09-09
+
+Description: >-
+  This S3 bucket will be used for development and production,
+  and for storing GX reports to be viewable from the Sage AWS VPN.
+
+Parameters:
+
+  BucketName:
+    Type: String
+    Description: Name of the bucket.
+    Default: ''
+
+  EnableVpnAccess:
+    Type: String
+    Description: Whether to grant the Sage VPN read permissions on the bucket.
+    AllowedValues:
+      - "true"
+      - "false"
+    Default: "true"
+
+Conditions:
+  HasBucketName: !Not [!Equals [!Ref BucketName, ""]]
+  EnableVpnAccess:
+    !Equals [!Ref EnableVpnAccess, "true"]
+
+Resources:
+  Bucket:
+    Type: AWS::S3::Bucket
+    DeletionPolicy: Delete
+    Properties:
+      BucketName: !If [HasBucketName, !Ref BucketName, !Ref 'AWS::NoValue']
+      AccessControl: Private
+      OwnershipControls:
+        Rules:
+          - ObjectOwnership: BucketOwnerEnforced
+      BucketEncryption:
+        ServerSideEncryptionConfiguration:
+        - ServerSideEncryptionByDefault:
+            SSEAlgorithm: AES256
+      PublicAccessBlockConfiguration:
+        BlockPublicAcls : true
+        BlockPublicPolicy : true
+        IgnorePublicAcls : true
+        RestrictPublicBuckets : true
+
+  BucketPolicy:
+    Type: AWS::S3::BucketPolicy
+    Properties:
+      Bucket: !Ref Bucket
+      PolicyDocument:
+        Version: '2012-10-17'
+        Statement:
+          - Sid: AccountRead
+            Effect: Allow
+            Principal:
+              AWS:
+                - !Sub '${AWS::AccountId}'
+            Action:
+              - 's3:Get*'
+              - 's3:List*'
+            Resource:
+              - !Sub 'arn:aws:s3:::${Bucket}'
+              - !Sub 'arn:aws:s3:::${Bucket}/*'
+          - !If
+            - EnableVpnAccess
+            - Sid: Allow based on source IP
+              Effect: Allow
+              Principal: '*'
+              Action:
+                - 's3:GetObject'
+              Resource:
+                - !Sub 'arn:aws:s3:::${Bucket}'
+                - !Sub 'arn:aws:s3:::${Bucket}/*'
+              Condition:
+                IpAddress:
+                  aws:SourceIp: '52.44.61.21'
+            - !Ref AWS::NoValue
+
+Outputs:
+
+  BucketName:
+    Value: !Ref Bucket
+    Export:
+      Name: !Sub '${AWS::Region}-${AWS::StackName}-BucketName'
+
+  BucketArn:
+    Value: !GetAtt Bucket.Arn
+    Export:
+      Name: !Sub '${AWS::Region}-${AWS::StackName}-BucketArn'