https://www.gomomento.com/pricing
https://serverless.co.jp/blog/450/
https://www.google.com/search?q=Momento+Cache&rlz=1C1CHBD_jaJP888JP888&sourceid=chrome&ie=UTF-8#fpstate=ive&vld=cid:b51cc498,vid:U16MD7YEmdY,st:0
https://github.com/momentohq/momento-cli/blob/main/README.ja.md
https://docs.momentohq.com/cache/getting-started#install-the-momento-command-line-interface-cli
serverless caching service
毎月5GB無料。その後は1GBあたり0.50ドル。
Pelikan cache
-- 1. インストール(Mac)
brew tap momentohq/tap
brew install momento-cli
-- 2. 動作確認(CLI)
momento account signup コマンド実行したところ、下記エラーのため、画面からサインアップ実行
ERROR: This command has been decommissioned!
Please go to the console to sign up for Momento and generate a token:
https://console.gomomento.com
momento configure
momento cache create cache01
momento cache list
momento cache set key01 value01 --ttl 100 --cache cache01
momento cache get key01 --cache cache01
-- 3. 動作確認(JavaScript)
npm install @gomomento/sdk
npm install dotenv
cat <<-'EOF' > .env
export MOMENTO_API_KEY=xxxxxxxxxxxx
export MOMENTO_TTL_SECONDS=300
EOF
cat <<-'EOF' > test.js
// Declare the Momento SDK library
const { CacheGet, CacheSet, Configurations, ListCaches, CreateCache,
CacheClient, CredentialProvider } = require('@gomomento/sdk');
// Declate the dotenv library
const dotenv = require('dotenv');
// Defines name of cache to use.
const CACHE_NAME = 'cache02';
// Run the config function to bring in the .env file
dotenv.config();
// Creates the Momento cache client object
async function createCacheClient() {
return CacheClient.create({
configuration: Configurations.Laptop.v1(),
credentialProvider: CredentialProvider.fromEnvironmentVariable({
environmentVariableName: 'MOMENTO_API_KEY',
}),
defaultTtlSeconds: 600,
});
}
// Create a new cache
async function createCache(client) {
const createCacheResponse = await client.createCache(CACHE_NAME);
if (createCacheResponse instanceof CreateCache.Success) {
console.log('Cache created.');
} else if (createCacheResponse instanceof CreateCache.AlreadyExists) {
console.log('Cache already exists');
} else if (createCacheResponse instanceof CreateCache.Error) {
throw createCacheResponse.innerException();
}
}
// List all caches in Momento for this account.
async function listCaches(client) {
const listResponse = await client.listCaches(client);
if (listResponse instanceof ListCaches.Error) {
console.log('Error listing caches: ', listResponse.message());
} else if (listResponse instanceof ListCaches.Success) {
console.log('Found caches:');
listResponse.getCaches().forEach(cacheInfo => {
console.log(' -',cacheInfo.getName());
});
} else {
throw new Error('Unrecognized response: ', listResponse.toString());
}
}
// A function to write to the cache
async function writeToCache(client, cacheName, key, data) {
const setResponse = await client.set(cacheName, key, data);
if (setResponse instanceof CacheSet.Success) {
console.log('Key stored successfully!');
} else if (setResponse instanceof CacheSet.Error) {
console.log('Error setting key: ', setResponse.toString());
} else {
console.log('Some other error: ', setResponse.toString());
}
}
// A function to read scalar items from the cache
async function readFromCache(client, cacheName, key) {
const readResponse = await client.get(cacheName, key);
if (readResponse instanceof CacheGet.Hit) {
console.log('Cache hit: ', readResponse.valueString());
} else if (readResponse instanceof CacheGet.Miss) {
console.log('Cache miss');
} else if (readResponse instanceof CacheGet.Error) {
console.log('Error: ', readResponse.message());
}
}
// A simple function that calls all functions in order. You probably want more error handling.
async function run() {
const cacheClient = await createCacheClient();
await createCache(cacheClient);
await listCaches(cacheClient);
await writeToCache(cacheClient, CACHE_NAME, "code", "12345");
await readFromCache(cacheClient, CACHE_NAME, "code");
}
run();
EOF
node test.js
