{"id":46669,"date":"2023-06-09T11:46:03","date_gmt":"2022-12-01T01:03:49","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/"},"modified":"2024-04-30T08:03:06","modified_gmt":"2024-04-30T00:03:06","slug":"46669-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/","title":{"rendered":""},"content":{"rendered":"
\u306f\u3058\u3081\u306b<\/h5>\n

\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b\u30b5\u30fc\u30d3\u30b9\u9593\u9023\u643a\u3067nodejs \u00d7 kafka\u306e\u5229\u7528\u30b7\u30fc\u30f3\u306f\u5897\u3048\u3066\u3044\u307e\u3059\u3002
\n\u3068\u3044\u3046\u308f\u3051\u3067nodejs \u00d7 kafka\u306e\u6982\u5ff5\u5b9f\u8a3c\uff08PoC\uff09\u30e1\u30e2\u3002
\n\u3042\u304f\u307e\u3067PoC\u306a\u3093\u3067\u8d85\u7c21\u6613\u7684\u3067\u3059\u3002<\/p>\n

\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/h5>\n

kafka\/
\n\u251c docker-compose.yml
\n\u251c node_modules
\n\u251c mackage.json
\n\u2514 test
\n\u2502\u3000\u2514 kafka-test.js
\n\u2514 src
\n\u2502\u3000\u2514 consumer
\n\u2502 \u2514 app.js
\n\u2502\u3000\u2514 producer
\n\u2502 \u2514 app.js<\/p>\n

\n
\u30d5\u30a1\u30a4\u30eb\u8aac\u660e\u5b9f\u884c\u30b3\u30de\u30f3\u30c9test\/kafka-test.jsUnit Testava -v -uconsumer\/app.jsConsumer\u5b9f\u884c\u30d5\u30a1\u30a4\u30ebnode src\/consumer\/app.jsproducer\/app.jsProducer\u5b9f\u884c\u30d5\u30a1\u30a4\u30ebnode src\/producer\/app.js<\/div>\n<\/div>\n

\u30bb\u30c3\u30c6\u30a3\u30f3\u30b0<\/h4>\n
    docker-compose.yml<\/ul>\n
    version: \"2\"\r\n\r\nservices:\r\n  zookeeper:\r\n    image: wurstmeister\/zookeeper\r\n    ports:\r\n      - \"2181:2181\"\r\n  kafka:\r\n    image: wurstmeister\/kafka\r\n    ports:\r\n      - \"9092:9092\"\r\n    depends_on:\r\n      - zookeeper\r\n    environment:\r\n      KAFKA_ADVERTISED_HOST_NAME: 127.0.0.1\r\n      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181\r\n    volumes:\r\n      - \/var\/run\/docker.sock:\/var\/run\/docker.sock\r\n    links:\r\n      - zookeeper\r\n<\/code><\/pre>\n
      kafka\u30c8\u30d4\u30c3\u30af\u4f5c\u6210<\/ul>\n
      $ docker-compose exec kafka \/opt\/kafka\/bin\/kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 1 --topic test\r\n$ docker-compose exec kafka \/opt\/kafka\/bin\/kafka-topics.sh --create --zookeeper zookeeper:2181 --replication-factor 1 --partitions 1 --topic test1\r\n$ docker-compose exec kafka \/opt\/kafka\/bin\/kafka-topics.sh --list --zookeeper zookeeper:2181\r\n# \u30c8\u30d4\u30c3\u30af\u304b\u3089\u30e1\u30c3\u30bb\u30fc\u30b8\u53d6\u5f97\r\n$ docker-compose exec kafka \/opt\/kafka\/bin\/kafka-console-consumer.sh --bootstrap-server kafka:9092 --topic test1 --from-beginning\r\n<\/code><\/pre>\n
        package.json<\/ul>\n
        {\r\n  \"name\": \"kafka\",\r\n  \"version\": \"1.0.0\",\r\n  \"description\": \"kafka-node\",\r\n  \"main\": \"index.js\",\r\n  \"dependencies\": {\r\n    \"ava\": \"^1.4.1\",\r\n    \"chai\": \"^4.2.0\",\r\n    \"kafka-node\": \"^4.1.0\"\r\n  },\r\n  \"devDependencies\": {},\r\n  \"scripts\": {\r\n    \"test\": \"ava -v -u\"\r\n  },\r\n  \"author\": \"\",\r\n  \"license\": \"ISC\"\r\n}\r\n<\/code><\/pre>\n
          test\/kafka-test.js<\/ul>\n
          import test from \"ava\";\r\nimport chai from \"chai\";\r\nimport kafka from \"kafka-node\";\r\n\r\n\/\/ producer\u30c6\u30b9\u30c8\r\ntest.serial.cb(\"producer test\", t => {\r\n    const Producer = kafka.Producer;\r\n    const client = new kafka.KafkaClient({\r\n        kafkaHost: \"192.168.33.50:9092\"\r\n    });\r\n    const producer = new Producer(client, {\r\n        partitionerType: 1\r\n    });\r\n\r\n    producer.on(\"ready\", () => {\r\n        const payloads = [\r\n            {\r\n                topic: \"test1\",\r\n                messages: JSON.stringify({name: \"\u795e\u5d0e\u30fbH\u30fb\u30a2\u30ea\u30a2\", age: 16})\r\n            }\r\n            ,{\r\n                topic: \"test\",\r\n                messages: [\r\n                    JSON.stringify({name: \"\u9593\u5bae\u3042\u304b\u308a\", age: 15}),\r\n                   JSON.stringify({name: \"\u4f50\u3005\u6728\u5fd7\u4e43\", age: 15})\r\n               ]\r\n            }\r\n        ];\r\n\r\n        producer.send(payloads, (err, data) => {\r\n            t.end();\r\n        });\r\n    });\r\n});\r\n\r\n\/\/ consumer\u30c6\u30b9\u30c8\r\ntest.serial.cb(\"consumer test\", t => {\r\n    const Consumer = kafka.Consumer;\r\n    const client = new kafka.KafkaClient({\r\n        kafkaHost: \"192.168.33.50:9092\"\r\n    });\r\n    const consumer = new Consumer(\r\n        client,\r\n        [{topic: \"test1\", partision:0}],\r\n        {\r\n            groupId: \"simple-consumer1\",\r\n            autoCommit: true,\r\n            fromOffset: true\r\n        }\r\n    );\r\n\r\n    consumer.on(\"message\", (message, err) => {\r\n        const json = JSON.stringify(message.value);\r\n            chai.assert.isString(json.name);\r\n            chai.assert.isNumber(json.age);\r\n            if (json.age === 16) {\r\n               chai.assert.propertyVal(json.attr,'name','\u795e\u5d0e\u30fbH\u30fb\u30a2\u30ea\u30a2');\r\n            }\r\n    });\r\n    t.end();\r\n});\r\n\r\n<\/code><\/pre>\n
          Unit Test<\/h4>\n
          $ npm test\r\n\r\n> kafka@1.0.0 test \/home\/vagrant\/kafka\r\n> ava -v -u\r\n\r\n\r\n  \u2714 producer test (291ms)\r\n  \u2714 consumer test\r\n\r\n  2 tests passed\r\n<\/code><\/pre>\n
          Kafka Producer<\/h4>\n
            src\/producer\/app.js<\/ul>\n
            \"use strict\";\r\nvar kafka = require(\"kafka-node\");\r\n\r\nconst Producer = kafka.HighLevelProducer;\r\nconst client = new kafka.KafkaClient({\r\n    kafkaHost: \"192.168.33.50:9092\"\r\n});\r\nconst producer = new Producer(client, {\r\n    partitionerType: 1\r\n});\r\n\r\nproducer.on(\"ready\", () => {\r\n    const payloads = [\r\n        {\r\n            topic: \"mytopic-1\",\r\n            messages: JSON.stringify({name: \"tanaka takeshi\", age: 24, sex: \"M\"})\r\n        }\r\n        ,{\r\n            topic: \"mytopic-2\",\r\n            messages: [\r\n                JSON.stringify({name: \"suzuki aiko\", age: 20, sex: \"F\"}),\r\n                JSON.stringify({name: \"yamashita yuji\", age: 28, sex: \"M\"})\r\n            ]\r\n        }\r\n    ];\r\n\r\n    let sends = 0;\r\n\r\n    producer.send(payloads, (err, data) => {\r\n        if (err) console.log(err);\r\n        else console.log('send %d messages', ++sends);\r\n        process.exit();\r\n    });\r\n});\r\n\r\n<\/code><\/pre>\n
            Kafka Consumer<\/h4>\n
              src\/consumer\/app.js<\/ul>\n
              'use strict';\r\nvar kafka = require('kafka-node');\r\n\r\nconst Consumer = kafka.Consumer;\r\nconst client = new kafka.KafkaClient({kafkaHost: \"192.168.33.50:9092\"});\r\nconst consumer = new Consumer(\r\n    client,\r\n    [{topic: \"mytopic-2\", partision:0}],\r\n    {\r\n        groupId: \"simple-consumer\",\r\n        autoCommit: true,\r\n        fromOffset: true\r\n    }\r\n);\r\n\r\nconsumer.on(\"message\", (message, err) => {\r\n    if (err) console.log(\"error : \" + err);\r\n\r\n    const json = JSON.parse(message.value);\r\n    console.log(\"JSON:\" + JSON.stringify(json));\r\n    console.log(\"Name:\" + json.name);\r\n    console.log(\"Age:\" + json.age);\r\n    console.log(\"Sex Type:\" + json.sex);\r\n});\r\n\r\nconsumer.on('error', function (err) {\r\n    console.log('error', err);\r\n});\r\n\r\n<\/code><\/pre>\n
              \u7d42\u308f\u308a\u306b<\/h4>\n
              \u672c\u683c\u7684\u306b\u4f7f\u3046\u6a5f\u4f1a\u304c\u306a\u3044\u306e\u3067\u53d6\u308a\u3042\u3048\u305aNodejs\u3067\u52d5\u304b\u3057\u3066\u307f\u305f\u3060\u3051\u3063\u3059\u3002<\/p>\n
              \u53c2\u8003<\/h4>\n
              apache kafka quickstart(kafka\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\uff09
              \nkafka-node<\/p>\n","protected":false},"excerpt":{"rendered":"
              \u306f\u3058\u3081\u306b \u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b\u30b5\u30fc\u30d3\u30b9\u9593\u9023\u643a\u3067nodejs \u00d7 kafka\u306e\u5229\u7528\u30b7\u30fc\u30f3\u306f\u5897\u3048\u3066\u3044\u307e\u3059\u3002 \u3068 […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-46669","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b\u30b5\u30fc\u30d3\u30b9\u9593\u9023\u643a\u3067nodejs \u00d7 kafka\u306e\u5229\u7528\u30b7\u30fc\u30f3\u306f\u5897\u3048\u3066\u3044\u307e\u3059\u3002 \u3068 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2022-12-01T01:03:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T00:03:06+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2022-12-01T01:03:49+00:00\",\"dateModified\":\"2024-04-30T00:03:06+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\",\"name\":\"\u96c5, \u609f\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"caption\":\"\u96c5, \u609f\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"- Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/","og_locale":"zh_CN","og_type":"article","og_description":"\u306f\u3058\u3081\u306b \u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b\u30b5\u30fc\u30d3\u30b9\u9593\u9023\u643a\u3067nodejs \u00d7 kafka\u306e\u5229\u7528\u30b7\u30fc\u30f3\u306f\u5897\u3048\u3066\u3044\u307e\u3059\u3002 \u3068 […]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2022-12-01T01:03:49+00:00","article_modified_time":"2024-04-30T00:03:06+00:00","author":"\u96c5, \u609f","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u96c5, \u609f","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/","name":"- Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2022-12-01T01:03:49+00:00","dateModified":"2024-04-30T00:03:06+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6","name":"\u96c5, \u609f","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","caption":"\u96c5, \u609f"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/46669-2\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=46669"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46669\/revisions"}],"predecessor-version":[{"id":90694,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/46669\/revisions\/90694"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=46669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=46669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=46669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}