refactor to single bucket

This commit is contained in:
Emily 2018-08-09 14:49:52 -07:00
parent 452ccd068b
commit b89bef6e89
7 changed files with 68 additions and 69 deletions

View file

@ -5,15 +5,10 @@ const createRedisClient = require('./redis');
class DB {
constructor(config) {
const Storage =
config.s3_buckets.length > 0 ? require('./s3') : require('./fs');
const Storage = config.s3_bucket ? require('./s3') : require('./fs');
this.log = mozlog('send.storage');
this.storage = [];
for (let i = 0; i < config.num_of_buckets; i++) {
this.storage.push(new Storage(config, i, this.log));
}
this.storage = new Storage(config, this.log);
this.redis = createRedisClient(config);
this.redis.on('error', err => {
@ -26,32 +21,33 @@ class DB {
return Math.ceil(result) * 1000;
}
async getBucket(id) {
return this.redis.hgetAsync(id, 'bucket');
async getPrefixedId(id) {
const prefix = await this.redis.hgetAsync(id, 'prefix');
return `${prefix}-${id}`;
}
async length(id) {
const bucket = await this.redis.hgetAsync(id, 'bucket');
return this.storage[bucket].length(id);
const filePath = await this.getPrefixedId(id);
return this.storage.length(filePath);
}
async get(id) {
const bucket = await this.redis.hgetAsync(id, 'bucket');
return this.storage[bucket].getStream(id);
const filePath = await this.getPrefixedId(id);
return this.storage.getStream(filePath);
}
async set(id, file, meta, expireSeconds = config.default_expire_seconds) {
const bucketTimes = config.expire_times_seconds;
let bucket = 0;
while (bucket < config.num_of_buckets - 1) {
if (expireSeconds <= bucketTimes[bucket]) {
const expireTimes = config.expire_times_seconds;
let i;
for (i = 0; i < expireTimes.length - 1; i++) {
if (expireSeconds <= expireTimes[i]) {
break;
}
bucket++;
}
await this.storage[bucket].set(id, file);
this.redis.hset(id, 'bucket', bucket);
const prefix = config.expire_prefixes[i];
const filePath = `${prefix}-${id}`;
await this.storage.set(filePath, file);
this.redis.hset(id, 'prefix', prefix);
this.redis.hmset(id, meta);
this.redis.expire(id, expireSeconds);
}
@ -61,16 +57,14 @@ class DB {
}
async del(id) {
const bucket = await this.redis.hgetAsync(id, 'bucket');
const filePath = await this.getPrefixedId(id);
this.storage.del(filePath);
this.redis.del(id);
this.storage[bucket].del(id);
}
async ping() {
await this.redis.pingAsync();
for (const bucket of this.storage) {
bucket.ping();
}
await this.storage.ping();
}
async metadata(id) {