{"id":36806,"date":"2024-01-07T15:56:49","date_gmt":"2022-12-10T15:47:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8grpc%e5%92%8capache-kafka\/"},"modified":"2024-05-04T17:17:54","modified_gmt":"2024-05-04T09:17:54","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8grpc%e5%92%8capache-kafka","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8grpc%e5%92%8capache-kafka\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528gRPC\u548cApache Kafka"},"content":{"rendered":"<p>\u672c\u6587\u662f\u5bcc\u58eb\u901a\u4e91\u6280\u672f2017\u5e74\u5723\u8bde\u8282\u65e5\u5386\u7684\u7b2c7\u5929\u3002<\/p>\n<p>\u6628\u5929\u5728 @makky05 \u7684\u300cFJCT\u517c\u8077\uff5e\u56de\u9867\u611f\u4eba\u7247\u6bb5\uff5e\u300d\u6d3b\u52d5\u4e2d\uff0c\u771f\u662f\u975e\u5e38\u6709\u8da3\u8208\u596e\u7684\u696d\u52d9\u5167\u5bb9\u554a\u3002\u5e0c\u671b\u80fd\u518d\u6b21\u555f\u52d5\u300c\u900f\u904eWi-Fi\u9023\u63a5\u72c0\u6cc1\u5c0b\u627e\u54e1\u5de5\u4f4d\u7f6e\u7684\u670d\u52d9\u300d\u3002\u53e6\u5916\uff0c\u771f\u662f\u8b93\u4eba\u9a5a\u5606\u7684\u4e00\u5e74\uff0c\u6210\u9577\u5f97\u975e\u5e38\u76e1\u8208\u554a\uff01<\/p>\n<h2>\u7b80\u8981\u4ecb\u7ecd<\/h2>\n<p>\u6211\u60f3\u5728\u8fd9\u6b21\u5c1d\u8bd5\u4e2d\u4f7f\u7528gRPC\u548cApache Kafka\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u6211\u60f3\u4f7f\u7528Kafka-Pixy\uff0c\u5b83\u53ef\u4ee5\u4f5c\u4e3aApache Kafka\u7684gRPC\u4ee3\u7406\uff0c\u4ece.proto\u6587\u4ef6\u751f\u6210\u4ee3\u7801\uff0c\u5e76\u5c06\u6d88\u606f\u53d1\u9001\u5230Apache Kafka\uff0c\u5e76\u83b7\u53d6\u6d88\u606f\u3002<\/p>\n<p>gRPC\u662f\u8c37\u6b4c\u4e8e2015\u5e742\u6708\u53d1\u5e03\u7684\u4e00\u79cdRPC\u6846\u67b6\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528IDL\u7f16\u5199.proto\u6587\u4ef6\uff0c\u5e76\u4ece\u8be5\u6587\u4ef6\u751f\u6210\u5404\u79cd\u8bed\u8a00\u7684\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u6240\u9700\u7684\u6e90\u4ee3\u7801\u6a21\u677f\u3002\u6b64\u5916\uff0c\u5b83\u4f7f\u7528HTTP\/2\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p>\u5173\u4e8egRPC\u6709\u5f88\u591a\u7b80\u5355\u6613\u61c2\u7684\u6587\u7ae0\uff0c\u6211\u5efa\u8bae\u60a8\u53c2\u8003\u8fd9\u4e9b\u6587\u7ae0\u3002<\/p>\n<p>\u4ec0\u4e48\u662fgRPC\uff1f<br \/>\ngRPC\u662f\u4ec0\u4e48\uff1f<br \/>\n\u5f53\u4f60\u5728\u8bbe\u8ba1REST API\u65f6\u611f\u5230\u56f0\u60d1\u65f6\uff0c\u6765\u5b66\u4e60\u4e00\u4e0bgRPC\u5427<br \/>\n\u6211\u4e86\u89e3\u4e86\u4e00\u4e0bProtocolBuffers<\/p>\n<p>Apache Kafka\u662fLinkedIn\u516c\u958b\u7684\u4e00\u500b\u5206\u6563\u6d88\u606f\u7cfb\u7d71\u7684\u958b\u6e90\u8edf\u4ef6\uff0c\u65e8\u5728\u4ee5\u4f4e\u5ef6\u9072\u548c\u9ad8\u541e\u5410\u91cf\u7684\u65b9\u5f0f\u6536\u96c6\u548c\u50b3\u905e\u5927\u91cf\u6578\u64da\uff0c\u5b83\u662f\u4e00\u500bPull\u578b\u7684\u53d1\u5e03\/\u8ba2\u9605\u7cfb\u7edf\u3002<\/p>\n<p>\u5728Kafka\u7684\u5b98\u65b9\u7db2\u7ad9\u4e0a\u6709\u8a73\u7d30\u7684\u4ecb\u7d39\uff0c\u4f60\u53ef\u4ee5\u5728\u90a3\u88e1\u627e\u5230\u5f88\u591a\u6613\u61c2\u7684\u6587\u7ae0\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u95b1\u8b80Kafka\u5b98\u7db2\u4e0a\u7684\u4ecb\u7d39\u6240\u505a\u7684\u7b46\u8a18\u3002<\/p>\n<p>Apache Kafka \u2015\u5f9e\u5165\u9580\u5230\u4f7f\u7528Trifecta\u9032\u884c\u53ef\u8996\u5316\u2015<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u9032\u4e00\u6b65\u4e86\u89e3\u5206\u5e03\u5f0f\u6d88\u606f\u4e2d\u9593\u4ef6\u7684\u8a73\u7d30\u5c0d\u6bd4\uff0c\u4e5f\u53ef\u4ee5\u53c3\u8003\u4e00\u4e9b\u76f8\u95dc\u7684\u6587\u7ae0\u3002<\/p>\n<h2>\u5173\u4e8eKafka-Pixy\u7684\u4fe1\u606f<\/h2>\n<p>Kafka-Pixy\u662f\u7531Mailgun\u56e2\u961f\u5f00\u53d1\u7684\u7528\u4e8eApache Kafka\u7684gRPC\u548cREST API\u7684\u4ee3\u7406\u3002<br \/>\n\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528Kafka-Pixy\u6765\u5c1d\u8bd5\u4f7f\u7528gRPC\u8fde\u63a5Apache Kafka\u3002<br \/>\n\u8be5\u4ee3\u7406\u7684\u63a5\u53e3\u662f\u5728kafkapixy.proto\u4e2d\u5b9a\u4e49\u7684\uff0c\u60a8\u53ef\u4ee5\u4ece\u8fd9\u4e2a.proto\u6587\u4ef6\u4e2d\u751f\u6210\u4f7f\u7528Kafka-Pixy\u7684\u5ba2\u6237\u7aef\u4ee3\u7801\u3002<br \/>\n\u901a\u8fc7\u4f7f\u7528Kafka-Pixy\u4f5c\u4e3a\u4e2d\u95f4\u4ee3\u7406\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u751f\u6210\u7684\u4ee3\u7801\uff0c\u4ece\u800c\u51cf\u5c11\u5728\u4f7f\u7528Kafka\u65f6\u5ba2\u6237\u7aef\u5b9e\u73b0\u7684\u6210\u672c\u3002<\/p>\n<h2>\u52a8\u4f5c\u73af\u5883<\/h2>\n<pre class=\"post-pre\"><code>$ cat \/etc\/redhat-release \r\nCentOS Linux release 7.4.1708 (Core)\r\n\r\n$ java -version\r\nopenjdk version \"9-ea\"\r\nOpenJDK Runtime Environment (build 9-ea+163)\r\nOpenJDK 64-Bit Server VM (build 9-ea+163, mixed mode)\r\n\r\n$ python --version\r\nPython 3.6.2\r\n<\/code><\/pre>\n<h2>Apache Kafka \u662f\u4e00\u79cd\u5f00\u6e90\u5206\u5e03\u5f0f\u6d41\u5904\u7406\u5e73\u53f0\u3002<\/h2>\n<ul class=\"post-ul\">\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb(\u57fa\u672c\u7684\u306b\u306f \u3053\u3061\u3089 \u3092\u53c2\u8003\u306b)<\/ul>\n<pre class=\"post-pre\"><code>$ wget http:\/\/ftp.jaist.ac.jp\/pub\/apache\/kafka\/1.0.0\/kafka_2.12-1.0.0.tgz \r\n$ tar -zxf kafka_2.12-1.0.0.tgz\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u3068\u308a\u3042\u3048\u305a\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u8a2d\u5b9a\u306e\u307e\u307e\u8d77\u52d5<\/ul>\n<pre class=\"post-pre\"><code>$ cd kafka_2.12-1.0.0\r\n$ bin\/zookeeper-server-start.sh -daemon config\/zookeeper.properties\r\n$ bin\/kafka-server-start.sh -daemon config\/server.properties\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u3068\u308a\u3042\u3048\u305atopic\u3092\u4f5c\u6210\u3057\u3066\u307f\u308b<\/ul>\n<pre class=\"post-pre\"><code>$ bin\/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test-topic\r\n$ bin\/kafka-topics.sh --list --zookeeper localhost:2181\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5165\u308c\u3066\u307f\u308b<\/ul>\n<pre class=\"post-pre\"><code>$ bin\/kafka-console-producer.sh --broker-list localhost:9092 --topic test-topic\r\nmessage hoge\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d6\u5f97\u3057\u3066\u307f\u308b<\/ul>\n<pre class=\"post-pre\"><code>$ bin\/kafka-console-consumer.sh --bootstrap-server localhost:9092 --topic test-topic --from-beginning\r\nmessage hoge\r\n<\/code><\/pre>\n<h2>gRPC (\u8c37\u5566\u5566\u5e15\u897f)<\/h2>\n<p>\u4eca\u6b21\u6211\u60f3\u5728Python\u4e0a\u5c1d\u8bd5\u4e00\u4e0b\u3002\u6211\u4f1a\u53c2\u8003Python Quickstart\u3002<\/p>\n<pre class=\"post-pre\"><code>$ python -m pip install grpcio\r\n$ python -m pip install grpcio-tools\r\n<\/code><\/pre>\n<h2>\u5361\u592b\u5361-\u76ae\u514b\u897f<\/h2>\n<p>howto-install.md \u3092\u53c2\u8003\u306b<\/p>\n<pre class=\"post-pre\"><code>$ curl -L https:\/\/github.com\/mailgun\/kafka-pixy\/releases\/download\/v0.14.0\/kafka-pixy-v0.14.0-linux-amd64.tar.gz | tar xz\r\n$ cd kafka-pixy-v0.14.0-linux-amd64\r\n$ cp default.yaml config.yaml\r\n#\u3068\u308a\u3042\u3048\u305a\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u307e\u307e\u8d77\u52d5\r\n$ .\/kafka-pixy --config config.yaml\r\n<\/code><\/pre>\n<h2>\u4ece.proto\u6587\u4ef6\u751f\u6210\u4ee3\u7801<\/h2>\n<p>\u5728 kafka-pixy-v0.14.0-linux-amd64 \u4e2d\u6709 kafkapixy.proto \u6587\u4ef6\uff0c\u6211\u8ba4\u4e3a\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u751f\u6210\u4ee3\u7801\u3002<br \/>\n\u8fd9\u6b21\u5148\u521b\u5efa\u4e00\u4e2a sample \u76ee\u5f55\uff0c\u5e76\u5728\u5176\u4e2d\u751f\u6210\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>$ python -m grpc_tools.protoc -I.\/kafka-pixy-v0.14.0-linux-amd64 --python_out=.\/sample --grpc_python_out=.\/sample .\/kafka-pixy-v0.14.0-linux-amd64\/kafkapixy.proto\r\n<\/code><\/pre>\n<p>\u7136\u540e\u5c06\u4f1a\u751f\u6210\u4e24\u4e2a\u6587\u4ef6\uff0c\u5373kafkapixy_pb2.py\u548ckafkapixy_pb2_grpc.py\u3002<\/p>\n<p>\u987a\u5e26\u63d0\u4e00\u4e0b\uff0c\u5982 quick-start-python.md \u6240\u8ff0\uff0c\u7531\u4e8e Kafka-Pixy \u5df2\u7ecf\u751f\u6210\u4e86 kafkapixy_pb2.py \u548c kafkapixy_pb2_grpc.py \u8fd9\u4e24\u4e2a\u6587\u4ef6\uff0c\u60a8\u53ef\u4ee5\u76f4\u63a5\u590d\u5236\u5e76\u4f7f\u7528\u5b83\u4eec\uff0c\u975e\u5e38\u5b89\u5168\u53ef\u9760\u3002<\/p>\n<h2>\u4f7f\u7528\u751f\u6210\u7684\u4ee3\u7801\u5411Kafka\u6295\u9012\u548c\u83b7\u53d6\u6d88\u606f\u3002<\/h2>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u521b\u5efa\u7684 kafkapixy_pb2.py \u548c kafkapixy_pb2_grpc.py\uff0c\u5728Apache Kafka\u4e2d\u8fdb\u884c\u6d88\u606f\u6295\u9012\u548c\u83b7\u53d6\u3002<br \/>\n\u8fd9\u6b21\u53ea\u7f16\u5199\u4e86\u6295\u9012\u548c\u83b7\u53d6\u6d88\u606f\u7684\u4ee3\u7801\u3002<\/p>\n<h3>\u6d88\u606f\u8f93\u5165\u4ee3\u7801<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">grpc<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">kafkapixy_pb2<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">ProdRq<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">kafkapixy_pb2_grpc<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">KafkaPixyStub<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">sys<\/span>\r\n\r\n<span class=\"n\">grpc_channel<\/span> <span class=\"o\">=<\/span> <span class=\"n\">grpc<\/span><span class=\"p\">.<\/span><span class=\"n\">insecure_channel<\/span><span class=\"p\">(<\/span><span class=\"s\">\"127.0.0.1:19091\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">kafkapixy_client<\/span> <span class=\"o\">=<\/span> <span class=\"n\">KafkaPixyStub<\/span><span class=\"p\">(<\/span><span class=\"n\">grpc_channel<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">produce<\/span><span class=\"p\">(<\/span><span class=\"n\">kafkapixy_client<\/span> <span class=\"p\">,<\/span><span class=\"n\">topic<\/span><span class=\"p\">,<\/span> <span class=\"n\">msg<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">rq<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ProdRq<\/span><span class=\"p\">(<\/span><span class=\"n\">topic<\/span><span class=\"o\">=<\/span><span class=\"n\">topic<\/span><span class=\"p\">,<\/span> <span class=\"n\">message<\/span><span class=\"o\">=<\/span><span class=\"n\">msg<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">rs<\/span> <span class=\"o\">=<\/span> <span class=\"n\">kafkapixy_client<\/span><span class=\"p\">.<\/span><span class=\"n\">Produce<\/span><span class=\"p\">(<\/span><span class=\"n\">rq<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">rs<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">main<\/span><span class=\"p\">():<\/span>\r\n    <span class=\"n\">topic<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">argv<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">msg<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">bytes<\/span><span class=\"p\">(<\/span><span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">argv<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">],<\/span> <span class=\"n\">encoding<\/span><span class=\"o\">=<\/span><span class=\"s\">\"utf-8\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">produce<\/span><span class=\"p\">(<\/span><span class=\"n\">kafkapixy_client<\/span><span class=\"p\">,<\/span> <span class=\"n\">topic<\/span><span class=\"p\">,<\/span> <span class=\"n\">msg<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">if<\/span> <span class=\"n\">__name__<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"__main__\"<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">main<\/span><span class=\"p\">()<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u83b7\u53d6\u6d88\u606f\u7684\u4ee3\u7801<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">grpc<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">kafkapixy_pb2<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">ConsNAckRq<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">kafkapixy_pb2_grpc<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">KafkaPixyStub<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">sys<\/span>\r\n\r\n<span class=\"n\">grpc_channel<\/span> <span class=\"o\">=<\/span> <span class=\"n\">grpc<\/span><span class=\"p\">.<\/span><span class=\"n\">insecure_channel<\/span><span class=\"p\">(<\/span><span class=\"s\">\"127.0.0.1:19091\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">kafkapixy_client<\/span> <span class=\"o\">=<\/span> <span class=\"n\">KafkaPixyStub<\/span><span class=\"p\">(<\/span><span class=\"n\">grpc_channel<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">consume<\/span><span class=\"p\">(<\/span><span class=\"n\">kafkapixy_client<\/span><span class=\"p\">,<\/span> <span class=\"n\">group<\/span><span class=\"p\">,<\/span> <span class=\"n\">topic<\/span><span class=\"p\">):<\/span>\r\n\r\n    <span class=\"n\">ack_partition<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n    <span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n    <span class=\"n\">rq<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ConsNAckRq<\/span><span class=\"p\">(<\/span><span class=\"n\">topic<\/span><span class=\"o\">=<\/span><span class=\"n\">topic<\/span><span class=\"p\">,<\/span> <span class=\"n\">group<\/span><span class=\"o\">=<\/span><span class=\"n\">group<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">keep_running<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">True<\/span>\r\n    <span class=\"k\">while<\/span> <span class=\"n\">keep_running<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">ack_offset<\/span> <span class=\"ow\">is<\/span> <span class=\"bp\">None<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">no_ack<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">True<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">ack_partition<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span>\r\n        <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">no_ack<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">False<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">ack_partition<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ack_partition<\/span>\r\n            <span class=\"n\">rq<\/span><span class=\"p\">.<\/span><span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ack_offset<\/span>\r\n\r\n        <span class=\"k\">try<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">rs<\/span> <span class=\"o\">=<\/span> <span class=\"n\">kafkapixy_client<\/span><span class=\"p\">.<\/span><span class=\"n\">ConsumeNAck<\/span><span class=\"p\">(<\/span><span class=\"n\">rq<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">except<\/span> <span class=\"n\">grpc<\/span><span class=\"p\">.<\/span><span class=\"n\">RpcError<\/span> <span class=\"k\">as<\/span> <span class=\"n\">err<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">err<\/span><span class=\"p\">.<\/span><span class=\"n\">code<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"n\">grpc<\/span><span class=\"p\">.<\/span><span class=\"n\">StatusCode<\/span><span class=\"p\">.<\/span><span class=\"n\">NOT_FOUND<\/span><span class=\"p\">:<\/span>\r\n                <span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n                <span class=\"k\">continue<\/span>\r\n            <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n                <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">.<\/span><span class=\"n\">result<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"k\">continue<\/span>\r\n\r\n        <span class=\"k\">try<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">ack_partition<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rs<\/span><span class=\"p\">.<\/span><span class=\"n\">partition<\/span>\r\n            <span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rs<\/span><span class=\"p\">.<\/span><span class=\"n\">offset<\/span>\r\n        <span class=\"k\">except<\/span><span class=\"p\">:<\/span>\r\n            <span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n\r\n        <span class=\"k\">print<\/span><span class=\"p\">(<\/span><span class=\"n\">rs<\/span><span class=\"p\">.<\/span><span class=\"n\">message<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">ack_partition<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rs<\/span><span class=\"p\">.<\/span><span class=\"n\">partition<\/span>\r\n        <span class=\"n\">ack_offset<\/span> <span class=\"o\">=<\/span> <span class=\"n\">rs<\/span><span class=\"p\">.<\/span><span class=\"n\">offset<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">main<\/span><span class=\"p\">():<\/span>\r\n    <span class=\"n\">topic<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">argv<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">group<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sys<\/span><span class=\"p\">.<\/span><span class=\"n\">argv<\/span><span class=\"p\">[<\/span><span class=\"mi\">2<\/span><span class=\"p\">]<\/span>\r\n    <span class=\"n\">consume<\/span><span class=\"p\">(<\/span><span class=\"n\">kafkapixy_client<\/span><span class=\"p\">,<\/span> <span class=\"n\">group<\/span><span class=\"p\">,<\/span> <span class=\"n\">topic<\/span><span class=\"p\">)<\/span> \r\n\r\n<span class=\"k\">if<\/span> <span class=\"n\">__name__<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"__main__\"<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"n\">main<\/span><span class=\"p\">()<\/span>\r\n\r\n<\/code><\/pre>\n<h3>\u6211\u5011\u8a66\u8457\u5be6\u969b\u6295\u5165\u548c\u53d6\u5f97\u8a0a\u606f\u3002<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5f53\u6dfb\u52a0\u65b0\u7684\u7fa4\u7ec4\u65f6\uff0c\u5b83\u4f1a\u4ece\u540e\u7eed\u6dfb\u52a0\u7684\u6d88\u606f\u4e2d\u83b7\u53d6\u3002\u56e0\u6b64\uff0c\u8fd9\u6b21\u6211\u4eec\u5148\u6267\u884c\u83b7\u53d6\u6d88\u606f\u7684\u811a\u672c\uff08\u5982\u679c\u7fa4\u7ec4\u4e0d\u5b58\u5728\u5219\u521b\u5efa\uff09\uff0c\u7136\u540e\u518d\u6295\u5165\u6d88\u606f\u3002\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6d88\u8d39\u8005\u8bbe\u7f6e\u4e3aauto.offset.reset=latest\uff09<\/p>\n<ul class=\"post-ul\">\u30e1\u30c3\u30bb\u30fc\u30b8\u53d6\u5f97\u7528\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3057\u3066\u304a\u304f<\/ul>\n<pre class=\"post-pre\"><code>#test-topic\u304b\u3089group_id\u306btest-consumer-group\u3092\u6307\u5b9a\u3057\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d6\u5f97\r\n$ python sample_consumer.py test-topic test-consumer-group\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6295\u5165\u3057\u3066\u307f\u308b<\/ul>\n<pre class=\"post-pre\"><code>#test-topic\u306bhogehoge1\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6295\u5165\r\n$ python sample_producer.py test-topic hogehoge1\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u7d50\u679c<\/ul>\n<pre class=\"post-pre\"><code>$ python sample_consumer.py test-topic test-consumer-group\r\nb'hogehoge1'\r\n<\/code><\/pre>\n<p>\u6211\u80fd\u591f\u83b7\u53d6\u5230\u65e0\u4e8b\u6295\u5165\u7684\u6d88\u606f\u3002<\/p>\n<h3>\u8d60\u54c1<\/h3>\n<ul class=\"post-ul\">Kafka-Pixy\u306fREST API\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059<\/ul>\n<pre class=\"post-pre\"><code>$ curl \"http:\/\/localhost:19092\/topics\/test-topic\/messages?group=test-consumer-group\"\r\n{\r\n  \"key\": null,\r\n  \"value\": \"aGVsbG8=\",\r\n  \"partition\": 0,\r\n  \"offset\": 64\r\n}\r\n#key\u3068value\u306fbase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u305f\u5024\u3068\u306a\u308a\u307e\u3059\r\n<\/code><\/pre>\n<ul class=\"post-ul\">gRPC, REST API\u306elisten\u30dd\u30fc\u30c8\u306fKafka-Pixy\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059<\/ul>\n<pre class=\"post-pre\"><code># TCP address that gRPC API server should listen on.\r\ngrpc_addr: 0.0.0.0:19091\r\n\r\n# TCP address that RESTful API server should listen on.\r\ntcp_addr: 0.0.0.0:19092\r\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u6211\u4f7f\u7528Kafka-Pixy\u548cgRPC\u5c1d\u8bd5\u4e86\u4f7f\u7528Apache Kafka\u3002\u7531\u4e8eKafka-Pixy\u7684.proto\u6587\u4ef6\u53ef\u4ee5\u6839\u636e\u5ba2\u6237\u7aef\u4f7f\u7528\u7684\u8bed\u8a00\u751f\u6210\u6e90\u4ee3\u7801\uff0c\u6240\u4ee5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5b9e\u73b0\u5ba2\u6237\u7aef\u7684\u529f\u80fd\u3002\u5728gRPC\u4e2d\uff0c\u670d\u52a1\u5668\u7aef\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ece.proto\u6587\u4ef6\u751f\u6210\u7684\u4ee3\u7801\uff0c\u5e76\u4e14\u53ef\u4ee5\u5f3a\u5236\u5c06API\u89c4\u8303\u660e\u786e\u5316\u5230.proto\u6587\u4ef6\u4e2d\u7b49\u4f18\u70b9\u3002\u672a\u6765\uff0c\u6211\u4e5f\u60f3\u5c1d\u8bd5\u4f7f\u7528gRPC\u6765\u5b9e\u73b0\u670d\u52a1\u5668\u7aef\u7684\u529f\u80fd\u3002\u867d\u7136\u5173\u4e8eKafka\u7684\u5185\u5bb9\u53d8\u5f97\u8f83\u5c11\uff0c\u4f46\u6211\u8ba4\u4e3a\u5df2\u7ecf\u5199\u51fa\u4e86\u4e00\u79cd\u5feb\u901f\u4f7f\u7528\u7684\u65b9\u6cd5\u3002\u5982\u679c\u60a8\u6709\u5176\u4ed6\u610f\u89c1\u6216\u6307\u6b63\u7684\u8bdd\uff0c\u6211\u4f1a\u975e\u5e38\u611f\u8c22\u60a8\u7684\u8bc4\u8bba\u3002<\/p>\n<p>\u660e\u5929\u662f @ntoofu \u5148\u751f\u7684\u201c\u5efa\u7acb\u6d4b\u8bd5IaaS\u57fa\u7840\u8bbe\u65bd\u73af\u5883\u201d\u7684\u6f14\u8bb2\u3002\u975e\u5e38\u6709\u8da3\u554a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u662f\u5bcc\u58eb\u901a\u4e91\u6280\u672f2017\u5e74\u5723\u8bde\u8282\u65e5\u5386\u7684\u7b2c7\u5929\u3002 \u6628\u5929\u5728 @makky05 \u7684\u300cFJCT\u517c\u8077\uff5e\u56de\u9867\u611f\u4eba\u7247\u6bb5\uff5e\u300d [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-36806","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5c1d\u8bd5\u4f7f\u7528gRPC\u548cApache Kafka - Blog - 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