From de7f03703f9432c0b5a4d7b42202aa88c5b9d40d Mon Sep 17 00:00:00 2001
From: Blayne Chard <bchard@linz.govt.nz>
Date: Thu, 15 May 2025 15:09:30 +1200
Subject: [PATCH] feat: directly update the basemaps lambda function
 configuration

---
 .github/workflows/build.yml     | 11 ++++++++--
 scripts/update-lambda-config.sh | 39 +++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 scripts/update-lambda-config.sh

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1f7234a96..9ee252c65 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -128,7 +128,10 @@ jobs:
 
       - name: Import config
         run: |
-          ./scripts/bmc.sh ./index.cjs import --config ${CONFIG_PATH} --commit
+          ./scripts/update-lambda-config.sh
+        env:
+          BASEMAPS_LAMBDA_ARN: ${{ secrets.BASEMAPS_LAMBDA_ARN }}
+          BASEMAPS_CONFIG_LOCATION: ${CONFIG_PATH}
 
   # Compare and deploy to prod
   deploy-prod:
@@ -189,7 +192,11 @@ jobs:
 
       - name: Import config
         run: |
-          ./scripts/bmc.sh ./index.cjs import --config ${CONFIG_LOCATION_PROD} --commit
+          ./scripts/update-lambda-config.sh
+        env:
+          BASEMAPS_LAMBDA_ARN: ${{ secrets.BASEMAPS_LAMBDA_ARN }}
+          BASEMAPS_CONFIG_LOCATION: ${CONFIG_LOCATION_PROD}
+
 
   smoke:
     permissions:
diff --git a/scripts/update-lambda-config.sh b/scripts/update-lambda-config.sh
new file mode 100644
index 000000000..2862973f9
--- /dev/null
+++ b/scripts/update-lambda-config.sh
@@ -0,0 +1,39 @@
+#!/bin/bash 
+#
+# Basemaps uses environment variables to know where to load config from
+#
+# This script looks up the current environment variables for the lambda
+# then updates the config location to the new config location
+#
+# Parameters:
+# - $BASEMAPS_CONFIG_LOCATION - location of the new configuration file
+# - $BASEMAPS_LAMBDA_ARN - ARN of the lambda to update
+
+if [ -z "$BASEMAPS_CONFIG_LOCATION" ]; then
+    echo "Error: missing config location \$BASEMAPS_CONFIG_LOCATION"
+    exit 1
+fi
+
+if [ -z "$BASEMAPS_LAMBDA_ARN" ]; then
+    echo "Error: missing config location \$BASEMAPS_LAMBDA_ARN"
+    exit 1
+fi
+
+# Get the Lambda function's current environment variables
+existing_env_vars=$(aws lambda get-function-configuration \
+    --region ap-southeast-2 \
+    --function-name "$BASEMAPS_LAMBDA_ARN" \
+    --query "Environment.Variables" \
+    --output json)
+
+current_location=$(echo "$existing_env_vars" | jq ".BASEMAPS_CONFIG_PATH")
+# Use jq to update the configuration path
+updated_env_vars=$(echo "$existing_env_vars" | jq ".BASEMAPS_CONFIG_PATH = \"${BASEMAPS_CONFIG_LOCATION}\"")
+
+# Update the Lambda function with the modified environment variables
+aws lambda update-function-configuration \
+    --region ap-southeast-2 \
+    --function-name "$BASEMAPS_LAMBDA_ARN" \
+    --environment Variables="$updated_env_vars"
+
+echo "Updated config location from: ${current_location} to ${BASEMAPS_CONFIG_LOCATION}"
\ No newline at end of file