feat(apisix): add Cloudron package

- Implements Apache APISIX packaging for Cloudron platform.
- Includes Dockerfile, CloudronManifest.json, and start.sh.
- Configured to use Cloudron's etcd addon.

🤖 Generated with Gemini CLI
Co-Authored-By: Gemini <noreply@google.com>

CloudronPackages/APISIX/apisix-source/apisix/admin/stream_routes.lua

@@ -0,0 +1,81 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+local core = require("apisix.core")
+local resource = require("apisix.admin.resource")
+local stream_route_checker = require("apisix.stream.router.ip_port").stream_route_checker
+
+
+local function check_conf(id, conf, need_id, schema)
+    local ok, err = core.schema.check(schema, conf)
+    if not ok then
+        return nil, {error_msg = "invalid configuration: " .. err}
+    end
+
+    local upstream_id = conf.upstream_id
+    if upstream_id then
+        local key = "/upstreams/" .. upstream_id
+        local res, err = core.etcd.get(key)
+        if not res then
+            return nil, {error_msg = "failed to fetch upstream info by "
+                                     .. "upstream id [" .. upstream_id .. "]: "
+                                     .. err}
+        end
+
+        if res.status ~= 200 then
+            return nil, {error_msg = "failed to fetch upstream info by "
+                                     .. "upstream id [" .. upstream_id .. "], "
+                                     .. "response code: " .. res.status}
+        end
+    end
+
+    local service_id = conf.service_id
+    if service_id then
+        local key = "/services/" .. service_id
+        local res, err = core.etcd.get(key)
+        if not res then
+            return nil, {error_msg = "failed to fetch service info by "
+                    .. "service id [" .. service_id .. "]: "
+                    .. err}
+        end
+
+        if res.status ~= 200 then
+            return nil, {error_msg = "failed to fetch service info by "
+                    .. "service id [" .. service_id .. "], "
+                    .. "response code: " .. res.status}
+        end
+    end
+
+    local ok, err = stream_route_checker(conf, true)
+    if not ok then
+        return nil, {error_msg = err}
+    end
+
+    return true
+end
+
+
+return resource.new({
+    name = "stream_routes",
+    kind = "stream route",
+    schema = core.schema.stream_route,
+    checker = check_conf,
+    unsupported_methods = { "patch" },
+    list_filter_fields = {
+        service_id = true,
+        upstream_id = true,
+    },
+})