From b8d5b55ea71bbf39be506e86fed83aefe4f22513 Mon Sep 17 00:00:00 2001 From: codeDude Date: Fri, 7 Oct 2022 19:52:01 -0500 Subject: [PATCH 1/3] install the redis nodejs library and change the logic on average.js to adapt the code to this new library --- nodejs/average.js | 37 +++++----- nodejs/package-lock.json | 151 +++++++++++++++++++++++++++++++++++++++ nodejs/package.json | 1 + 3 files changed, 171 insertions(+), 18 deletions(-) diff --git a/nodejs/average.js b/nodejs/average.js index 2cd2f2b..d6b28e0 100644 --- a/nodejs/average.js +++ b/nodejs/average.js @@ -1,46 +1,47 @@ -import constants from './constants.js' -import { Database } from 'sqlite' -import Redis from 'ioredis' +import constants from './constants.js'; +import { Database } from 'sqlite'; +import { createClient } from 'redis'; -const db = new Database(constants.sqlite_database) -const redis = new Redis(constants.redis) +const db = new Database(constants.sqlite_database); +const client = createClient(); const tavg_average_sql = `SELECT AVG(tavg) FROM weather_measurements WHERE date - BETWEEN (?) AND (?)` + BETWEEN (?) AND (?)`; -/* Returns average of recorded daily temperature from the database. */ const getAverage = async (location, startDate, endDate) => { /* Dynamically generate the cache key */ const cacheKey = `weather:${location}:${startDate}:${endDate}:average` + client.on('error', (error) => { + throw new Error(error); + }); + await client.connect(); /* Check Redis for cached entry first */ - let cacheEntry = await redis.get(cacheKey) + let cacheEntry = await client.get(cacheKey) - /* If Redis returns a cache hit, */ if (cacheEntry) { - cacheEntry = JSON.parse(cacheEntry) + cacheEntry = JSON.parse(cacheEntry); /* return the entry */ - return { ...cacheEntry, source : 'cache'} + return { ...cacheEntry, source: 'cache' }; } /* If Redis returns a cache miss, fetch the entry from the database */ - await db.open() - const dbEntry = await db.get(tavg_average_sql, [startDate, endDate]) + await db.open(); + const dbEntry = await db.get(tavg_average_sql, [startDate, endDate]); /* Add the entry we pulled from the database to the cache */ - redis.set(cacheKey, JSON.stringify(dbEntry), 'EX', 60 * 60 * 24) + client.set(cacheKey, JSON.stringify(dbEntry), { EX: 60 * 60 * 24 }); /* Return the database entry */ - return { ...dbEntry, source : 'database'} + return { ...dbEntry, source: 'database' }; } const t0 = new Date().getTime() const average = await getAverage('Iceland', '2010-01-01', '2020-11-01') const t1 = new Date().getTime() -average.responseTime = `${t1-t0}ms` +average.responseTime = `${t1 - t0}ms` console.log(average) -redis.quit() -process.exit() +client.quit(); diff --git a/nodejs/package-lock.json b/nodejs/package-lock.json index f8aa869..40d2e93 100644 --- a/nodejs/package-lock.json +++ b/nodejs/package-lock.json @@ -11,8 +11,12 @@ "dependencies": { "axios": "^0.21.0", "ioredis": "^4.19.2", + "redis": "^4.3.1", "sqlite": "^4.0.17", "sqlite3": "^5.0.0" + }, + "engines": { + "node": ">=14.8" } }, "node_modules/@gar/promisify": { @@ -63,6 +67,67 @@ "node": ">=10" } }, + "node_modules/@redis/bloom": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.0.2.tgz", + "integrity": "sha512-EBw7Ag1hPgFzdznK2PBblc1kdlj5B5Cw3XwI9/oG7tSn85/HKy3X9xHy/8tm/eNXJYHLXHJL/pkwBpFMVVefkw==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/client": { + "version": "1.3.0", + "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.3.0.tgz", + "integrity": "sha512-XCFV60nloXAefDsPnYMjHGtvbtHR8fV5Om8cQ0JYqTNbWcQo/4AryzJ2luRj4blveWazRK/j40gES8M7Cp6cfQ==", + "dependencies": { + "cluster-key-slot": "1.1.0", + "generic-pool": "3.8.2", + "yallist": "4.0.0" + }, + "engines": { + "node": ">=14" + } + }, + "node_modules/@redis/client/node_modules/cluster-key-slot": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz", + "integrity": "sha512-2Nii8p3RwAPiFwsnZvukotvow2rIHM+yQ6ZcBXGHdniadkYGZYiGmkHJIbZPIV9nfv7m/U1IPMVVcAhoWFeklw==", + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/@redis/graph": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.0.1.tgz", + "integrity": "sha512-oDE4myMCJOCVKYMygEMWuriBgqlS5FqdWerikMoJxzmmTUErnTRRgmIDa2VcgytACZMFqpAOWDzops4DOlnkfQ==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/json": { + "version": "1.0.4", + "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.4.tgz", + "integrity": "sha512-LUZE2Gdrhg0Rx7AN+cZkb1e6HjoSKaeeW8rYnt89Tly13GBI5eP4CwDVr+MY8BAYfCg4/N15OUrtLoona9uSgw==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/search": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.1.0.tgz", + "integrity": "sha512-NyFZEVnxIJEybpy+YskjgOJRNsfTYqaPbK/Buv6W2kmFNaRk85JiqjJZA5QkRmWvGbyQYwoO5QfDi2wHskKrQQ==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, + "node_modules/@redis/time-series": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.3.tgz", + "integrity": "sha512-OFp0q4SGrTH0Mruf6oFsHGea58u8vS/iI5+NpYdicaM+7BgqBZH8FFvNZ8rYYLrUO/QRqMq72NpXmxLVNcdmjA==", + "peerDependencies": { + "@redis/client": "^1.0.0" + } + }, "node_modules/@tootallnate/once": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz", @@ -378,6 +443,14 @@ "node": ">=10" } }, + "node_modules/generic-pool": { + "version": "3.8.2", + "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.8.2.tgz", + "integrity": "sha512-nGToKy6p3PAbYQ7p1UlWl6vSPwfwU6TMSWK7TTu+WUY4ZjyZQGniGGt2oNVvyNSpyZYSB43zMXVLcBm08MTMkg==", + "engines": { + "node": ">= 4" + } + }, "node_modules/glob": { "version": "7.2.3", "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz", @@ -933,6 +1006,19 @@ "node": ">= 6" } }, + "node_modules/redis": { + "version": "4.3.1", + "resolved": "https://registry.npmjs.org/redis/-/redis-4.3.1.tgz", + "integrity": "sha512-cM7yFU5CA6zyCF7N/+SSTcSJQSRMEKN0k0Whhu6J7n9mmXRoXugfWDBo5iOzGwABmsWKSwGPTU5J4Bxbl+0mrA==", + "dependencies": { + "@redis/bloom": "1.0.2", + "@redis/client": "1.3.0", + "@redis/graph": "1.0.1", + "@redis/json": "1.0.4", + "@redis/search": "1.1.0", + "@redis/time-series": "1.0.3" + } + }, "node_modules/redis-commands": { "version": "1.7.0", "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.7.0.tgz", @@ -1278,6 +1364,53 @@ "rimraf": "^3.0.2" } }, + "@redis/bloom": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/@redis/bloom/-/bloom-1.0.2.tgz", + "integrity": "sha512-EBw7Ag1hPgFzdznK2PBblc1kdlj5B5Cw3XwI9/oG7tSn85/HKy3X9xHy/8tm/eNXJYHLXHJL/pkwBpFMVVefkw==", + "requires": {} + }, + "@redis/client": { + "version": "1.3.0", + "resolved": "https://registry.npmjs.org/@redis/client/-/client-1.3.0.tgz", + "integrity": "sha512-XCFV60nloXAefDsPnYMjHGtvbtHR8fV5Om8cQ0JYqTNbWcQo/4AryzJ2luRj4blveWazRK/j40gES8M7Cp6cfQ==", + "requires": { + "cluster-key-slot": "1.1.0", + "generic-pool": "3.8.2", + "yallist": "4.0.0" + }, + "dependencies": { + "cluster-key-slot": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.0.tgz", + "integrity": "sha512-2Nii8p3RwAPiFwsnZvukotvow2rIHM+yQ6ZcBXGHdniadkYGZYiGmkHJIbZPIV9nfv7m/U1IPMVVcAhoWFeklw==" + } + } + }, + "@redis/graph": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/@redis/graph/-/graph-1.0.1.tgz", + "integrity": "sha512-oDE4myMCJOCVKYMygEMWuriBgqlS5FqdWerikMoJxzmmTUErnTRRgmIDa2VcgytACZMFqpAOWDzops4DOlnkfQ==", + "requires": {} + }, + "@redis/json": { + "version": "1.0.4", + "resolved": "https://registry.npmjs.org/@redis/json/-/json-1.0.4.tgz", + "integrity": "sha512-LUZE2Gdrhg0Rx7AN+cZkb1e6HjoSKaeeW8rYnt89Tly13GBI5eP4CwDVr+MY8BAYfCg4/N15OUrtLoona9uSgw==", + "requires": {} + }, + "@redis/search": { + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@redis/search/-/search-1.1.0.tgz", + "integrity": "sha512-NyFZEVnxIJEybpy+YskjgOJRNsfTYqaPbK/Buv6W2kmFNaRk85JiqjJZA5QkRmWvGbyQYwoO5QfDi2wHskKrQQ==", + "requires": {} + }, + "@redis/time-series": { + "version": "1.0.3", + "resolved": "https://registry.npmjs.org/@redis/time-series/-/time-series-1.0.3.tgz", + "integrity": "sha512-OFp0q4SGrTH0Mruf6oFsHGea58u8vS/iI5+NpYdicaM+7BgqBZH8FFvNZ8rYYLrUO/QRqMq72NpXmxLVNcdmjA==", + "requires": {} + }, "@tootallnate/once": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz", @@ -1516,6 +1649,11 @@ "wide-align": "^1.1.2" } }, + "generic-pool": { + "version": "3.8.2", + "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.8.2.tgz", + "integrity": "sha512-nGToKy6p3PAbYQ7p1UlWl6vSPwfwU6TMSWK7TTu+WUY4ZjyZQGniGGt2oNVvyNSpyZYSB43zMXVLcBm08MTMkg==" + }, "glob": { "version": "7.2.3", "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz", @@ -1947,6 +2085,19 @@ "util-deprecate": "^1.0.1" } }, + "redis": { + "version": "4.3.1", + "resolved": "https://registry.npmjs.org/redis/-/redis-4.3.1.tgz", + "integrity": "sha512-cM7yFU5CA6zyCF7N/+SSTcSJQSRMEKN0k0Whhu6J7n9mmXRoXugfWDBo5iOzGwABmsWKSwGPTU5J4Bxbl+0mrA==", + "requires": { + "@redis/bloom": "1.0.2", + "@redis/client": "1.3.0", + "@redis/graph": "1.0.1", + "@redis/json": "1.0.4", + "@redis/search": "1.1.0", + "@redis/time-series": "1.0.3" + } + }, "redis-commands": { "version": "1.7.0", "resolved": "https://registry.npmjs.org/redis-commands/-/redis-commands-1.7.0.tgz", diff --git a/nodejs/package.json b/nodejs/package.json index 074713b..6f6b3c7 100644 --- a/nodejs/package.json +++ b/nodejs/package.json @@ -15,6 +15,7 @@ "dependencies": { "axios": "^0.21.0", "ioredis": "^4.19.2", + "redis": "^4.3.1", "sqlite": "^4.0.17", "sqlite3": "^5.0.0" }, From e0c8a4825f069a68b1c82d161294dbd206fb246f Mon Sep 17 00:00:00 2001 From: codeDude Date: Fri, 7 Oct 2022 19:57:15 -0500 Subject: [PATCH 2/3] removet the ioredis lib --- nodejs/package-lock.json | 165 --------------------------------------- nodejs/package.json | 1 - 2 files changed, 166 deletions(-) diff --git a/nodejs/package-lock.json b/nodejs/package-lock.json index 40d2e93..f927d63 100644 --- a/nodejs/package-lock.json +++ b/nodejs/package-lock.json @@ -10,7 +10,6 @@ "license": "MIT", "dependencies": { "axios": "^0.21.0", - "ioredis": "^4.19.2", "redis": "^4.3.1", "sqlite": "^4.0.17", "sqlite3": "^5.0.0" @@ -288,14 +287,6 @@ "node": ">=6" } }, - "node_modules/cluster-key-slot": { - "version": "1.1.1", - "resolved": "https://registry.npmjs.org/cluster-key-slot/-/cluster-key-slot-1.1.1.tgz", - "integrity": "sha512-rwHwUfXL40Chm1r08yrhU3qpUvdVlgkKNeyeGPOxnW8/SyVDvgRaed/Uz54AqWNaTCAThlj6QAs3TZcKI0xDEw==", - "engines": { - "node": ">=0.10.0" - } - }, "node_modules/color-support": { "version": "1.1.3", "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz", @@ -335,14 +326,6 @@ "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz", "integrity": "sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ==" }, - "node_modules/denque": { - "version": "1.5.1", - "resolved": "https://registry.npmjs.org/denque/-/denque-1.5.1.tgz", - "integrity": "sha512-XwE+iZ4D6ZUB7mfYRMb5wByE8L74HCn30FBN7sWnXksWc1LO1bPDl67pBR9o/kC4z/xSNAwkMYcGgqDV3BE3Hw==", - "engines": { - "node": ">=0.10" - } - }, "node_modules/depd": { "version": "1.1.2", "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz", @@ -572,31 +555,6 @@ "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz", "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==" }, - "node_modules/ioredis": { - "version": "4.28.5", - "resolved": "https://registry.npmjs.org/ioredis/-/ioredis-4.28.5.tgz", - 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"redis": "^4.3.1", "sqlite": "^4.0.17", "sqlite3": "^5.0.0" From e12de251e499cb1f7216a2482570fce8fdfcb54b Mon Sep 17 00:00:00 2001 From: codeDude Date: Tue, 11 Oct 2022 11:54:19 -0500 Subject: [PATCH 3/3] add a redis configuration on the redis client creation --- nodejs/average.js | 2 +- nodejs/constants.js | 7 ++----- 2 files changed, 3 insertions(+), 6 deletions(-) diff --git a/nodejs/average.js b/nodejs/average.js index d6b28e0..5d47006 100644 --- a/nodejs/average.js +++ b/nodejs/average.js @@ -3,7 +3,7 @@ import { Database } from 'sqlite'; import { createClient } from 'redis'; const db = new Database(constants.sqlite_database); -const client = createClient(); +const client = createClient({ url: constants.redis }); const tavg_average_sql = `SELECT AVG(tavg) FROM weather_measurements diff --git a/nodejs/constants.js b/nodejs/constants.js index ea97f44..63096cc 100644 --- a/nodejs/constants.js +++ b/nodejs/constants.js @@ -1,13 +1,10 @@ import sqlite3 from 'sqlite3' export default { - 'redis' : { - 'port': process.env.REDIS_PORT || 6379, - 'host': process.env.REDIS_HOST || '127.0.0.1' - }, + 'redis' : `redis://localhost:6379`, 'sqlite_database': process.env.SQLITE_DB || { filename: 'db/weather.db', driver: sqlite3.Database }, 'weather_csv': process.env.WEATHER_CSV || './db/weather.csv' -} \ No newline at end of file +}