ClickHouse/tests/jepsen.clickhouse-keeper/src/jepsen/clickhouse_keeper/set.clj
2021-04-03 18:05:10 +03:00

51 lines
1.6 KiB
Clojure

(ns jepsen.clickhouse-keeper.set
(:require
[clojure.tools.logging :refer :all]
[jepsen
[checker :as checker]
[client :as client]
[generator :as gen]]
[jepsen.clickhouse-keeper.utils :refer :all]
[zookeeper :as zk])
(:import (org.apache.zookeeper ZooKeeper KeeperException KeeperException$BadVersionException)))
(defrecord SetClient [k conn nodename]
client/Client
(open! [this test node]
(assoc
(assoc this
:conn (zk-connect node 9181 30000))
:nodename node))
(setup! [this test]
(exec-with-retries 30 (fn []
(zk-create-if-not-exists conn k "#{}"))))
(invoke! [this test op]
(case (:f op)
:read (exec-with-retries 30 (fn []
(zk-sync conn)
(assoc op
:type :ok
:value (read-string (:data (zk-get-str conn k))))))
:add (try
(do
(zk-add-to-set conn k (:value op))
(assoc op :type :ok))
(catch KeeperException$BadVersionException _ (assoc op :type :fail, :error :bad-version))
(catch Exception _ (assoc op :type :info, :error :connect-error)))))
(teardown! [_ test])
(close! [_ test]
(zk/close conn)))
(defn workload
"A generator, client, and checker for a set test."
[opts]
{:client (SetClient. "/a-set" nil nil)
:checker (checker/set)
:generator (->> (range)
(map (fn [x] {:type :invoke, :f :add, :value x})))
:final-generator (gen/once {:type :invoke, :f :read, :value nil})})