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lambda + API Gateway proper path integration; fix exceptions when archive missing

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This commit is contained in:
Brandon Liu
2022-07-21 23:41:44 +08:00
parent f1efba0a6f
commit ae986bbed5
1 changed files with 20 additions and 7 deletions
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19
serverless/aws/lambda_function.py
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@@ -34,8 +34,21 @@ def get_object_bytes(key, offset, length):
# and returns API Gateway V2 / Lambda Function dict responses # and returns API Gateway V2 / Lambda Function dict responses
# Does not work with CloudFront events/Lambda@Edge; see README # Does not work with CloudFront events/Lambda@Edge; see README
def lambda_handler(event, context): def lambda_handler(event, context):
uri = event["rawPath"] path = None
name, tile = parse_tile_path(os.environ.get("TILE_PATH"), uri) if event.get("pathParameters"):
# API Gateway (HTTP or REST)
if "tile_path" in event["pathParameters"]:
path = "/" + event["pathParameters"]["tile_path"]
else:
return {
"statusCode": 500,
"body": "Proxy integration missing tile_path parameter",
}
else:
# Lambda Function URL
path = event.get("rawPath")
name, tile = parse_tile_path(os.environ.get("TILE_PATH"), path)
if not tile: if not tile:
return {"statusCode": 400, "body": "Invalid tile URL"} return {"statusCode": 400, "body": "Invalid tile URL"}
@@ -46,12 +59,12 @@ def lambda_handler(event, context):
) )
reader = Reader(get_bytes) reader = Reader(get_bytes)
try:
minzoom = int(reader.header().metadata["minzoom"]) minzoom = int(reader.header().metadata["minzoom"])
maxzoom = int(reader.header().metadata["maxzoom"]) maxzoom = int(reader.header().metadata["maxzoom"])
if tile.z < minzoom or tile.z > maxzoom: if tile.z < minzoom or tile.z > maxzoom:
return {"statusCode": 404, "body": "Tile not found"} return {"statusCode": 404, "body": "Tile not found"}
try:
tile_data = reader.get(tile.z, tile.x, tile.y) tile_data = reader.get(tile.z, tile.x, tile.y)
if not tile_data: if not tile_data:
return {"statusCode": 204} return {"statusCode": 204}