lib/metrics/RedisClient.js

@@ -22,28 +22,6 @@ class RedisClient {
         return this;
     }
 
-    /**
-    * scan a pattern and return matching keys
-    * @param {string} pattern - string pattern to match with all existing keys
-    * @param {number} [count=10] - scan count
-    * @param {callback} cb - callback (error, result)
-    * @return {undefined}
-    */
-    scan(pattern, count = 10, cb) {
-        const params = { match: pattern, count };
-        const keys = [];
-
-        const stream = this._client.scanStream(params);
-        stream.on('data', resultKeys => {
-            for (let i = 0; i < resultKeys.length; i++) {
-                keys.push(resultKeys[i]);
-            }
-        });
-        stream.on('end', () => {
-            cb(null, keys);
-        });
-    }
-
     /**
     * increment value of a key by 1 and set a ttl
     * @param {string} key - key holding the value
@@ -57,38 +35,6 @@ class RedisClient {
             .exec(cb);
     }
 
-    /**
-     * increment value of a key by a given amount
-     * @param {string} key - key holding the value
-     * @param {number} amount - amount to increase by
-     * @param {callback} cb - callback
-     * @return {undefined}
-     */
-    incrby(key, amount, cb) {
-        return this._client.incrby(key, amount, cb);
-    }
-
-    /**
-     * decrement value of a key by a given amount
-     * @param {string} key - key holding the value
-     * @param {number} amount - amount to increase by
-     * @param {callback} cb - callback
-     * @return {undefined}
-     */
-    decrby(key, amount, cb) {
-        return this._client.decrby(key, amount, cb);
-    }
-
-    /**
-     * get value stored at key
-     * @param {string} key - key holding the value
-     * @param {callback} cb - callback
-     * @return {undefined}
-     */
-    get(key, cb) {
-        return this._client.get(key, cb);
-    }
-
     /**
      * increment value of a key by a given amount and set a ttl
      * @param {string} key - key holding the value
@@ -116,14 +62,6 @@ class RedisClient {
     clear(cb) {
         return this._client.flushdb(cb);
     }
-
-    disconnect(cb) {
-        return this._client.quit(cb);
-    }
-
-    listClients(cb) {
-        return this._client.client('list', cb);
-    }
 }
 
 module.exports = RedisClient;

lib/metrics/StatsClient.js

@@ -41,11 +41,11 @@ class StatsClient {
     /**
     * build redis key to get total number of occurrences on the server
     * @param {string} name - key name identifier
-    * @param {Date} date - Date instance
+    * @param {object} d - Date instance
     * @return {string} key - key for redis
     */
-    buildKey(name, date) {
-        return `${name}:${this._normalizeTimestamp(date)}`;
+    _buildKey(name, d) {
+        return `${name}:${this._normalizeTimestamp(d)}`;
     }
 
     /**
@@ -85,35 +85,11 @@ class StatsClient {
             amount = (typeof incr === 'number') ? incr : 1;
         }
 
-        const key = this.buildKey(`${id}:requests`, new Date());
+        const key = this._buildKey(`${id}:requests`, new Date());
 
         return this._redis.incrbyEx(key, amount, this._expiry, callback);
     }
 
-    /**
-     * Increment the given key by the given value.
-     * @param {String} key - The Redis key to increment
-     * @param {Number} incr - The value to increment by
-     * @param {function} [cb] - callback
-     * @return {undefined}
-     */
-    incrementKey(key, incr, cb) {
-        const callback = cb || this._noop;
-        return this._redis.incrby(key, incr, callback);
-    }
-
-    /**
-     * Decrement the given key by the given value.
-     * @param {String} key - The Redis key to decrement
-     * @param {Number} decr - The value to decrement by
-     * @param {function} [cb] - callback
-     * @return {undefined}
-     */
-    decrementKey(key, decr, cb) {
-        const callback = cb || this._noop;
-        return this._redis.decrby(key, decr, callback);
-    }
-
     /**
     * report/record a request that ended up being a 500 on the server
     * @param {string} id - service identifier
@@ -125,54 +101,10 @@ class StatsClient {
             return undefined;
         }
         const callback = cb || this._noop;
-        const key = this.buildKey(`${id}:500s`, new Date());
+        const key = this._buildKey(`${id}:500s`, new Date());
         return this._redis.incrEx(key, this._expiry, callback);
     }
 
-    /**
-    * wrapper on `getStats` that handles a list of keys
-    * @param {object} log - Werelogs request logger
-    * @param {array} ids - service identifiers
-    * @param {callback} cb - callback to call with the err/result
-    * @return {undefined}
-    */
-    getAllStats(log, ids, cb) {
-        if (!this._redis) {
-            return cb(null, {});
-        }
-
-        const statsRes = {
-            'requests': 0,
-            '500s': 0,
-            'sampleDuration': this._expiry,
-        };
-        let requests = 0;
-        let errors = 0;
-
-        // for now set concurrency to default of 10
-        return async.eachLimit(ids, 10, (id, done) => {
-            this.getStats(log, id, (err, res) => {
-                if (err) {
-                    return done(err);
-                }
-                requests += res.requests;
-                errors += res['500s'];
-                return done();
-            });
-        }, error => {
-            if (error) {
-                log.error('error getting stats', {
-                    error,
-                    method: 'StatsClient.getAllStats',
-                });
-                return cb(null, statsRes);
-            }
-            statsRes.requests = requests;
-            statsRes['500s'] = errors;
-            return cb(null, statsRes);
-        });
-    }
-
     /**
     * get stats for the last x seconds, x being the sampling duration
     * @param {object} log - Werelogs request logger
@@ -189,8 +121,8 @@ class StatsClient {
         const reqsKeys = [];
         const req500sKeys = [];
         for (let i = 0; i < totalKeys; i++) {
-            reqsKeys.push(['get', this.buildKey(`${id}:requests`, d)]);
-            req500sKeys.push(['get', this.buildKey(`${id}:500s`, d)]);
+            reqsKeys.push(['get', this._buildKey(`${id}:requests`, d)]);
+            req500sKeys.push(['get', this._buildKey(`${id}:500s`, d)]);
             this._setPrevInterval(d);
         }
         return async.parallel([

lib/models/ObjectMD.js

@@ -775,16 +775,6 @@ class ObjectMD {
         return undefined;
     }
 
-    setReplicationBackends(backends) {
-        this._data.replicationInfo.backends = backends;
-        return this;
-    }
-
-    setReplicationStorageClass(storageClass) {
-        this._data.replicationInfo.storageClass = storageClass;
-        return this;
-    }
-
     getReplicationDataStoreVersionId() {
         return this._data.replicationInfo.dataStoreVersionId;
     }

package.json

@@ -3,7 +3,7 @@
   "engines": {
     "node": ">=6.9.5"
   },
-  "version": "7.4.0-bump",
+  "version": "7.4.0",
   "description": "Common utilities for the S3 project components",
   "main": "index.js",
   "repository": {

tests/unit/models/object.js

@@ -136,24 +136,6 @@ describe('ObjectMD class setters/getters', () => {
         }]);
     });
 
-    it('ObjectMD::setReplicationBackends', () => {
-        md.setReplicationBackends([{
-            site: 'a',
-            status: 'b',
-            dataStoreVersionId: 'c',
-        }]);
-        assert.deepStrictEqual(md.getReplicationBackends(), [{
-            site: 'a',
-            status: 'b',
-            dataStoreVersionId: 'c',
-        }]);
-    });
-
-    it('ObjectMD::setReplicationStorageClass', () => {
-        md.setReplicationStorageClass('a');
-        assert.strictEqual(md.getReplicationStorageClass(), 'a');
-    });
-
     it('ObjectMD::getReplicationSiteStatus', () => {
         md.setReplicationInfo({
             backends: [{