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/t/plugin/dubbo-proxy/upstream.t

@@ -0,0 +1,163 @@
+#
+# 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.
+#
+use t::APISIX;
+
+my $nginx_binary = $ENV{'TEST_NGINX_BINARY'} || 'nginx';
+my $version = eval { `$nginx_binary -V 2>&1` };
+
+if ($version !~ m/\/mod_dubbo/) {
+    plan(skip_all => "mod_dubbo not installed");
+} else {
+    plan('no_plan');
+}
+
+repeat_each(1);
+log_level('info');
+no_root_location();
+no_shuffle();
+worker_connections(256);
+
+add_block_preprocessor(sub {
+    my ($block) = @_;
+
+    if (!$block->request) {
+        $block->set_value("request", "GET /hello");
+    }
+
+    if (!defined $block->disable_dubbo) {
+        my $extra_yaml_config = <<_EOC_;
+plugins:
+    - dubbo-proxy
+_EOC_
+
+        $block->set_value("extra_yaml_config", $extra_yaml_config);
+    }
+
+    my $yaml_config = $block->yaml_config // <<_EOC_;
+apisix:
+    node_listen: 1984
+    enable_admin: false
+deployment:
+    role: data_plane
+    role_data_plane:
+        config_provider: yaml
+_EOC_
+
+    $block->set_value("yaml_config", $yaml_config);
+});
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: retry
+--- apisix_yaml
+upstreams:
+    - nodes:
+        - host: 127.0.0.1
+          port: 20881
+          weight: 1
+        - host: 127.0.0.1
+          port: 20880
+          weight: 1
+      type: roundrobin
+      id: 1
+routes:
+  -
+    uri: /hello
+    plugins:
+        dubbo-proxy:
+            service_name: org.apache.dubbo.backend.DemoService
+            service_version: 1.0.0
+            method: hello
+    upstream_id: 1
+#END
+--- response_body
+dubbo success
+--- ignore_error_log
+
+
+
+=== TEST 2: upstream return error
+--- apisix_yaml
+routes:
+  -
+    uri: /hello
+    plugins:
+        dubbo-proxy:
+            service_name: org.apache.dubbo.backend.DemoService
+            service_version: 1.0.0
+            method: fail
+    upstream_id: 1
+upstreams:
+  - nodes:
+        "127.0.0.1:20880": 1
+    type: roundrobin
+    id: 1
+#END
+--- response_body
+dubbo fail
+--- error_code: 503
+
+
+
+=== TEST 3: upstream timeout
+--- apisix_yaml
+routes:
+  -
+    uri: /hello
+    plugins:
+        dubbo-proxy:
+            service_name: org.apache.dubbo.backend.DemoService
+            service_version: 1.0.0
+            method: timeout
+    upstream_id: 1
+upstreams:
+  - nodes:
+        "127.0.0.1:20880": 1
+    type: roundrobin
+    timeout:
+        connect: 0.1
+        read: 0.1
+        send: 0.1
+    id: 1
+#END
+--- error_log
+upstream timed out
+--- error_code: 504
+
+
+
+=== TEST 4: upstream return non-string status code
+--- apisix_yaml
+routes:
+  -
+    uri: /hello
+    plugins:
+        dubbo-proxy:
+            service_name: org.apache.dubbo.backend.DemoService
+            service_version: 1.0.0
+            method: badStatus
+    upstream_id: 1
+upstreams:
+  - nodes:
+        "127.0.0.1:20880": 1
+    type: roundrobin
+    id: 1
+#END
+--- response_body
+ok