fixing get_password exception error

aws-lab/get_password.sh

@@ -15,16 +15,23 @@ instanceid=$(jq -r '.instanceid')
 user=$(aws ec2 get-console-output --instance-id $instanceid --output text --no-paginate | grep "the default application username is" | awk -F "'" '{print $2}')
 password=$(aws ec2 get-console-output --instance-id $instanceid --output text --no-paginate | grep "Setting Bitnami application password to" | awk -F "'" '{print $2}')
 
-# Check if username and password were successfully retrieved
+# Check if username and password were successfully retrieved. Return a valid JSON object saying "unknown" if we can't retrieve the pass
+# This is to allow TF to continue execution even in the event of a bash script error
 if [ -z "$user" ] || [ -z "$password" ]; then
-    >&2 echo "Error: Unable to retrieve username or password from instance output"
-    exit 1
+      cat <<EOF | jq -c
+  {
+    "user": "[unknown]",
+    "password": "[unknown]"
+  }
+EOF
+
+  else
+  # Generate and print output JSON
+  cat <<EOF | jq -c
+  {
+    "user": "$user",
+    "password": "$password"
+  }
+EOF
 fi
 
-# Generate and print output JSON
-cat <<EOF | jq -c
-{
-  "user": "$user",
-  "password": "$password"
-}
-EOF