AWS Paas Migration Changes (#1264)

* Configure application to run on DBT platform

* clean-up of code prior to PR. Add is_copilot switch for instantiating s3 client

* Update NodeJS buildpack workaround to only be present in Package.json

---------

Co-authored-by: Emile Swarts <emile.swarts@digital.trade.gov.uk>

Author: PaulWheatcroft

.copilot/config.yml

@@ -0,0 +1,4 @@
+repository: tariff-application/tamato
+builder:
+  name: paketobuildpacks/builder-jammy-full
+  version: 0.3.339

.copilot/image_build_run.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Add commands below to run inside the container after all the other buildpacks have been applied

.copilot/phases/build.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+set -e

.copilot/phases/install.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+set -e

.copilot/phases/post_build.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+set -e

.copilot/phases/pre_build.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+set -e

common/views.py

@@ -14,6 +14,7 @@
 import kombu.exceptions
 from botocore.exceptions import ClientError
 from botocore.exceptions import EndpointConnectionError
+from dbt_copilot_python.utility import is_copilot
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.contrib.auth.mixins import PermissionRequiredMixin
@@ -302,13 +303,20 @@ def check_celery_broker(self) -> Tuple[str, int]:
 
     def check_s3(self) -> Tuple[str, int]:
         try:
-            client = boto3.client(
-                "s3",
-                aws_access_key_id=settings.HMRC_PACKAGING_S3_ACCESS_KEY_ID,
-                aws_secret_access_key=settings.HMRC_PACKAGING_S3_SECRET_ACCESS_KEY,
-                endpoint_url=settings.S3_ENDPOINT_URL,
-                region_name=settings.HMRC_PACKAGING_S3_REGION_NAME,
-            )
+            if is_copilot():
+                client = boto3.client(
+                    "s3",
+                    endpoint_url=settings.S3_ENDPOINT_URL,
+                    region_name=settings.HMRC_PACKAGING_S3_REGION_NAME,
+                )
+            else:
+                client = boto3.client(
+                    "s3",
+                    aws_access_key_id=settings.HMRC_PACKAGING_S3_ACCESS_KEY_ID,
+                    aws_secret_access_key=settings.HMRC_PACKAGING_S3_SECRET_ACCESS_KEY,
+                    endpoint_url=settings.S3_ENDPOINT_URL,
+                    region_name=settings.HMRC_PACKAGING_S3_REGION_NAME,
+                )
             client.head_bucket(Bucket=settings.HMRC_PACKAGING_STORAGE_BUCKET_NAME)
             return "OK", 200
         except (ClientError, EndpointConnectionError):

package.json

@@ -44,6 +44,7 @@
     "clean": "rm -f ./run/static/webpack_bundles/*",
     "heroku-prebuild": "",
     "heroku-postbuild": "npm run build",
+    "start": "bash scripts/web-worker-entrypoint.sh",
     "test": "jest",
     "lint:js": "npx eslint . --ext .jsx,.js",
     "lint:js:fix": "npx eslint . --ext .jsx,.js --fix",

settings/common.py

@@ -324,10 +324,8 @@
 
 # DBT PaaS
 elif is_copilot():
-    DB_URL = dj_database_url.config(
-        default=database_url_from_env("DATABASE_CREDENTIALS"),
-    )
-    DATABASES = {"default": DB_URL}
+    DB_URL = database_url_from_env("DATABASE_CREDENTIALS")
+    DATABASES = {"default": dj_database_url.parse(DB_URL)}
 # Govuk PaaS
 elif VCAP_SERVICES.get("postgres"):
     DB_URL = VCAP_SERVICES["postgres"][0]["credentials"]["uri"]