feat: stream subsystem support eureka service discovery

.github/workflows/build.yml

@@ -32,8 +32,8 @@ jobs:
         test_dir:
           - t/plugin/[a-k]*
           - t/plugin/[l-z]*
-          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc
-          - t/node t/pubsub t/router t/script t/secret t/stream-node t/utils t/wasm t/xds-library t/xrpc
+          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc t/stream-node
+          - t/node t/pubsub t/router t/script t/secret  t/utils t/wasm t/xds-library t/xrpc
 
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 90

.github/workflows/centos7-ci.yml

@@ -30,8 +30,8 @@ jobs:
         test_dir:
           - t/plugin/[a-k]*
           - t/plugin/[l-z]*
-          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc
-          - t/node t/pubsub t/router t/script t/secret t/stream-node t/utils t/wasm t/xds-library
+          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc t/stream-node
+          - t/node t/pubsub t/router t/script t/secret t/utils t/wasm t/xds-library
 
     steps:
     - name: Check out code

.github/workflows/gm-cron.yaml

@@ -20,8 +20,8 @@ jobs:
         test_dir:
           - t/plugin/[a-k]*
           - t/plugin/[l-z]*
-          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc
-          - t/node t/pubsub t/router t/script t/stream-node t/utils t/wasm t/xds-library t/xrpc
+          - t/admin t/cli t/config-center-yaml t/control t/core t/debug t/deployment t/discovery t/error_page t/misc t/stream-node
+          - t/node t/pubsub t/router t/script t/utils t/wasm t/xds-library t/xrpc
 
     runs-on: ${{ matrix.platform }}
     timeout-minutes: 90

apisix/init.lua

@@ -907,6 +907,11 @@ function _M.stream_init_worker()
     router.stream_init_worker()
     apisix_upstream.init_worker()
 
+    local discovery = require("apisix.discovery.init").discovery
+    if discovery and discovery.init_worker then
+        discovery.init_worker()
+    end
+
     load_balancer = require("apisix.balancer")
 
     local_conf = core.config.local_conf()

t/stream-node/discovery/eureka.t

@@ -0,0 +1,91 @@
+#
+# 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 'no_plan';
+
+repeat_each(1);
+log_level('info');
+no_root_location();
+no_shuffle();
+
+our $yaml_config = <<_EOC_;
+apisix:
+  node_listen: 1984
+deployment:
+  role: data_plane
+  role_data_plane:
+    config_provider: yaml
+discovery:
+  eureka:
+    host:
+      - "http://127.0.0.1:8761"
+    prefix: "/eureka/"
+    fetch_interval: 10
+    weight: 80
+    timeout:
+      connect: 1500
+      send: 1500
+      read: 1500
+_EOC_
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: get APISIX-EUREKA info from EUREKA
+--- yaml_config eval: $::yaml_config
+--- apisix_yaml
+stream_routes:
+  -
+    id: 1
+    server_port: 1985
+    upstream:
+      service_name: APISIX-EUREKA
+      discovery_type: eureka
+      type: roundrobin
+
+#END
+--- stream_request eval
+"\x47\x45\x54\x20\x2f\x65\x75\x72\x65\x6b\x61\x2f\x61\x70\x70\x73\x2f\x41\x50\x49\x53\x49\x58\x2d\x45\x55\x52\x45\x4b\x41\x20\x48\x54\x54\x50\x2f\x31\x2e\x31\x0d\x0a\x48\x6f\x73\x74\x3a\x20\x31\x32\x37\x2e\x30\x2e\x30\x2e\x31\x3a\x31\x39\x38\x35\x0d\x0a\x43\x6f\x6e\x6e\x65\x63\x74\x69\x6f\x6e\x3a\x20\x63\x6c\x6f\x73\x65\x0d\x0a\x0d\x0a"
+--- stream_response_like
+.*<name>APISIX-EUREKA</name>.*
+--- error_log
+use config_provider: yaml
+default_weight:80.
+fetch_interval:10.
+eureka uri:http://127.0.0.1:8761/eureka/.
+connect_timeout:1500, send_timeout:1500, read_timeout:1500.
+
+
+
+=== TEST 2: error service_name name
+--- yaml_config eval: $::yaml_config
+--- apisix_yaml
+stream_routes:
+  -
+    id: 1
+    server_port: 1985
+    upstream:
+      service_name: APISIX-EUREKA-DEMO
+      discovery_type: eureka
+      type: roundrobin
+
+#END
+--- stream_enable
+--- stream_request eval
+"\x47\x45\x54\x20\x2f\x65\x75\x72\x65\x6b\x61\x2f\x61\x70\x70\x73\x2f\x41\x50\x49\x53\x49\x58\x2d\x45\x55\x52\x45\x4b\x41\x20\x48\x54\x54\x50\x2f\x31\x2e\x31\x0d\x0a\x48\x6f\x73\x74\x3a\x20\x31\x32\x37\x2e\x30\x2e\x30\x2e\x31\x3a\x31\x39\x38\x35\x0d\x0a\x43\x6f\x6e\x6e\x65\x63\x74\x69\x6f\x6e\x3a\x20\x63\x6c\x6f\x73\x65\x0d\x0a\x0d\x0a"
+--- error_log eval
+qr/.* no valid upstream node.*/