/
testing.clj
658 lines (593 loc) · 25.4 KB
/
testing.clj
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;; Licensed to the Apache Software Foundation (ASF) under one
;; or more contributor license agreements. See the NOTICE file
;; distributed with this work for additional information
;; regarding copyright ownership. The ASF licenses this file
;; to you under the Apache License, Version 2.0 (the
;; "License"); you may not use this file except in compliance
;; with the License. You may obtain a copy of the License at
;;
;; http://www.apache.org/licenses/LICENSE-2.0
;;
;; Unless required by applicable law or agreed to in writing, software
;; distributed under the License is distributed on an "AS IS" BASIS,
;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;; See the License for the specific language governing permissions and
;; limitations under the License.
(ns backtype.storm.testing
(:require [backtype.storm.daemon
[nimbus :as nimbus]
[supervisor :as supervisor]
[common :as common]
[worker :as worker]
[executor :as executor]])
(:require [backtype.storm [process-simulator :as psim]])
(:import [org.apache.commons.io FileUtils])
(:import [java.io File])
(:import [java.util HashMap ArrayList])
(:import [java.util.concurrent.atomic AtomicInteger])
(:import [java.util.concurrent ConcurrentHashMap])
(:import [backtype.storm.utils Time Utils RegisteredGlobalState])
(:import [backtype.storm.tuple Fields Tuple TupleImpl])
(:import [backtype.storm.task TopologyContext])
(:import [backtype.storm.generated GlobalStreamId Bolt KillOptions])
(:import [backtype.storm.testing FeederSpout FixedTupleSpout FixedTuple
TupleCaptureBolt SpoutTracker BoltTracker NonRichBoltTracker
TestWordSpout MemoryTransactionalSpout])
(:import [backtype.storm.transactional TransactionalSpoutCoordinator])
(:import [backtype.storm.transactional.partitioned PartitionedTransactionalSpoutExecutor])
(:import [backtype.storm.tuple Tuple])
(:import [backtype.storm.generated StormTopology])
(:import [backtype.storm.task TopologyContext])
(:require [backtype.storm [zookeeper :as zk]])
(:require [backtype.storm.messaging.loader :as msg-loader])
(:require [backtype.storm.daemon.acker :as acker])
(:use [backtype.storm cluster util thrift config log local-state]))
(defn feeder-spout
[fields]
(FeederSpout. (Fields. fields)))
(defn local-temp-path
[]
(str (System/getProperty "java.io.tmpdir") (if-not on-windows? "/") (uuid)))
(defn delete-all
[paths]
(dorun
(for [t paths]
(if (.exists (File. t))
(try
(FileUtils/forceDelete (File. t))
(catch Exception e
(log-message (.getMessage e))))))))
(defmacro with-local-tmp
[[& tmp-syms] & body]
(let [tmp-paths (mapcat (fn [t] [t `(local-temp-path)]) tmp-syms)]
`(let [~@tmp-paths]
(try
~@body
(finally
(delete-all ~(vec tmp-syms)))))))
(defn start-simulating-time!
[]
(Time/startSimulating))
(defn stop-simulating-time!
[]
(Time/stopSimulating))
(defmacro with-simulated-time
[& body]
`(try
(start-simulating-time!)
~@body
(finally
(stop-simulating-time!))))
(defn advance-time-ms! [ms]
(Time/advanceTime ms))
(defn advance-time-secs! [secs]
(advance-time-ms! (* (long secs) 1000)))
(defnk add-supervisor
[cluster-map :ports 2 :conf {} :id nil]
(let [tmp-dir (local-temp-path)
port-ids (if (sequential? ports)
ports
(doall (repeatedly ports (:port-counter cluster-map))))
supervisor-conf (merge (:daemon-conf cluster-map)
conf
{STORM-LOCAL-DIR tmp-dir
SUPERVISOR-SLOTS-PORTS port-ids})
id-fn (if id (fn [] id) supervisor/generate-supervisor-id)
daemon (with-var-roots [supervisor/generate-supervisor-id id-fn] (supervisor/mk-supervisor supervisor-conf (:shared-context cluster-map) (supervisor/standalone-supervisor)))]
(swap! (:supervisors cluster-map) conj daemon)
(swap! (:tmp-dirs cluster-map) conj tmp-dir)
daemon))
(defn mk-shared-context [conf]
(if-not (conf STORM-LOCAL-MODE-ZMQ)
(msg-loader/mk-local-context)))
;; returns map containing cluster info
;; local dir is always overridden in maps
;; can customize the supervisors (except for ports) by passing in map for :supervisors parameter
;; if need to customize amt of ports more, can use add-supervisor calls afterwards
(defnk mk-local-storm-cluster [:supervisors 2 :ports-per-supervisor 3 :daemon-conf {} :inimbus nil :supervisor-slot-port-min 1024]
(let [zk-tmp (local-temp-path)
[zk-port zk-handle] (if-not (contains? daemon-conf STORM-ZOOKEEPER-SERVERS)
(zk/mk-inprocess-zookeeper zk-tmp))
daemon-conf (merge (read-storm-config)
{TOPOLOGY-SKIP-MISSING-KRYO-REGISTRATIONS true
ZMQ-LINGER-MILLIS 0
TOPOLOGY-ENABLE-MESSAGE-TIMEOUTS false
TOPOLOGY-TRIDENT-BATCH-EMIT-INTERVAL-MILLIS 50
STORM-CLUSTER-MODE "local"}
(if-not (contains? daemon-conf STORM-ZOOKEEPER-SERVERS)
{STORM-ZOOKEEPER-PORT zk-port
STORM-ZOOKEEPER-SERVERS ["localhost"]})
daemon-conf)
nimbus-tmp (local-temp-path)
port-counter (mk-counter supervisor-slot-port-min)
nimbus (nimbus/service-handler
(assoc daemon-conf STORM-LOCAL-DIR nimbus-tmp)
(if inimbus inimbus (nimbus/standalone-nimbus)))
context (mk-shared-context daemon-conf)
cluster-map {:nimbus nimbus
:port-counter port-counter
:daemon-conf daemon-conf
:supervisors (atom [])
:state (mk-distributed-cluster-state daemon-conf)
:storm-cluster-state (mk-storm-cluster-state daemon-conf)
:tmp-dirs (atom [nimbus-tmp zk-tmp])
:zookeeper (if (not-nil? zk-handle) zk-handle)
:shared-context context}
supervisor-confs (if (sequential? supervisors)
supervisors
(repeat supervisors {}))]
(doseq [sc supervisor-confs]
(add-supervisor cluster-map :ports ports-per-supervisor :conf sc))
cluster-map))
(defn get-supervisor [cluster-map supervisor-id]
(let [finder-fn #(= (.get-id %) supervisor-id)]
(find-first finder-fn @(:supervisors cluster-map))))
(defn kill-supervisor [cluster-map supervisor-id]
(let [finder-fn #(= (.get-id %) supervisor-id)
supervisors @(:supervisors cluster-map)
sup (find-first finder-fn
supervisors)]
;; tmp-dir will be taken care of by shutdown
(reset! (:supervisors cluster-map) (remove-first finder-fn supervisors))
(.shutdown sup)))
(defn kill-local-storm-cluster [cluster-map]
(.shutdown (:nimbus cluster-map))
(.close (:state cluster-map))
(.disconnect (:storm-cluster-state cluster-map))
(doseq [s @(:supervisors cluster-map)]
(.shutdown-all-workers s)
;; race condition here? will it launch the workers again?
(supervisor/kill-supervisor s))
(psim/kill-all-processes)
(if (not-nil? (:zookeeper cluster-map))
(do
(log-message "Shutting down in process zookeeper")
(zk/shutdown-inprocess-zookeeper (:zookeeper cluster-map))
(log-message "Done shutting down in process zookeeper")))
(doseq [t @(:tmp-dirs cluster-map)]
(log-message "Deleting temporary path " t)
(try
(rmr t)
;; on windows, the host process still holds lock on the logfile
(catch Exception e (log-message (.getMessage e)))) ))
(def TEST-TIMEOUT-MS
(let [timeout (System/getenv "STORM_TEST_TIMEOUT_MS")]
(parse-int (if timeout timeout "5000"))))
(defmacro while-timeout [timeout-ms condition & body]
`(let [end-time# (+ (System/currentTimeMillis) ~timeout-ms)]
(log-debug "Looping until " '~condition)
(while ~condition
(when (> (System/currentTimeMillis) end-time#)
(let [thread-dump# (Utils/threadDump)]
(log-message "Condition " '~condition " not met in " ~timeout-ms "ms")
(log-message thread-dump#)
(throw (AssertionError. (str "Test timed out (" ~timeout-ms "ms) " '~condition)))))
~@body)
(log-debug "Condition met " '~condition)))
(defn wait-for-condition
([apredicate]
(wait-for-condition TEST-TIMEOUT-MS apredicate))
([timeout-ms apredicate]
(while-timeout timeout-ms (not (apredicate))
(Time/sleep 100))))
(defn wait-until-cluster-waiting
"Wait until the cluster is idle. Should be used with time simulation."
([cluster-map] (wait-until-cluster-waiting cluster-map TEST-TIMEOUT-MS))
([cluster-map timeout-ms]
;; wait until all workers, supervisors, and nimbus is waiting
(let [supervisors @(:supervisors cluster-map)
workers (filter (partial satisfies? common/DaemonCommon) (psim/all-processes))
daemons (concat
[(:nimbus cluster-map)]
supervisors
; because a worker may already be dead
workers)]
(while-timeout timeout-ms (not (every? (memfn waiting?) daemons))
(Thread/sleep (rand-int 20))
;; (doseq [d daemons]
;; (if-not ((memfn waiting?) d)
;; (println d)))
))))
(defn advance-cluster-time
([cluster-map secs increment-secs]
(loop [left secs]
(when (> left 0)
(let [diff (min left increment-secs)]
(advance-time-secs! diff)
(wait-until-cluster-waiting cluster-map)
(recur (- left diff))))))
([cluster-map secs]
(advance-cluster-time cluster-map secs 1)))
(defmacro with-local-cluster
[[cluster-sym & args] & body]
`(let [~cluster-sym (mk-local-storm-cluster ~@args)]
(try
~@body
(catch Throwable t#
(log-error t# "Error in cluster")
(throw t#))
(finally
(let [keep-waiting?# (atom true)
f# (future (while @keep-waiting?# (simulate-wait ~cluster-sym)))]
(kill-local-storm-cluster ~cluster-sym)
(reset! keep-waiting?# false)
@f#)))))
(defmacro with-simulated-time-local-cluster
[& args]
`(with-simulated-time
(with-local-cluster ~@args)))
(defmacro with-inprocess-zookeeper
[port-sym & body]
`(with-local-tmp [tmp#]
(let [[~port-sym zks#] (zk/mk-inprocess-zookeeper tmp#)]
(try
~@body
(finally
(zk/shutdown-inprocess-zookeeper zks#))))))
(defn submit-local-topology
[nimbus storm-name conf topology]
(when-not (Utils/isValidConf conf)
(throw (IllegalArgumentException. "Topology conf is not json-serializable")))
(.submitTopology nimbus storm-name nil (to-json conf) topology))
(defn submit-local-topology-with-opts
[nimbus storm-name conf topology submit-opts]
(when-not (Utils/isValidConf conf)
(throw (IllegalArgumentException. "Topology conf is not json-serializable")))
(.submitTopologyWithOpts nimbus storm-name nil (to-json conf) topology submit-opts))
(defn mocked-compute-new-topology->executor->node+port [storm-name executor->node+port]
(fn [nimbus existing-assignments topologies scratch-topology-id]
(let [topology (.getByName topologies storm-name)
topology-id (.getId topology)
existing-assignments (into {} (for [[tid assignment] existing-assignments]
{tid (:executor->node+port assignment)}))
new-assignments (assoc existing-assignments topology-id executor->node+port)]
new-assignments)))
(defn submit-mocked-assignment
[nimbus storm-name conf topology task->component executor->node+port]
(with-var-roots [common/storm-task-info (fn [& ignored] task->component)
nimbus/compute-new-topology->executor->node+port (mocked-compute-new-topology->executor->node+port
storm-name
executor->node+port)]
(submit-local-topology nimbus storm-name conf topology)))
(defn mk-capture-launch-fn [capture-atom]
(fn [supervisor storm-id port worker-id]
(let [supervisor-id (:supervisor-id supervisor)
conf (:conf supervisor)
existing (get @capture-atom [supervisor-id port] [])]
(set-worker-user! conf worker-id "")
(swap! capture-atom assoc [supervisor-id port] (conj existing storm-id)))))
(defn find-worker-id
[supervisor-conf port]
(let [supervisor-state (supervisor-state supervisor-conf)
worker->port (ls-approved-workers supervisor-state)]
(first ((reverse-map worker->port) port))))
(defn find-worker-port
[supervisor-conf worker-id]
(let [supervisor-state (supervisor-state supervisor-conf)
worker->port (ls-approved-workers supervisor-state)]
(worker->port worker-id)))
(defn mk-capture-shutdown-fn
[capture-atom]
(let [existing-fn supervisor/shutdown-worker]
(fn [supervisor worker-id]
(let [conf (:conf supervisor)
supervisor-id (:supervisor-id supervisor)
port (find-worker-port conf worker-id)
existing (get @capture-atom [supervisor-id port] 0)]
(swap! capture-atom assoc [supervisor-id port] (inc existing))
(existing-fn supervisor worker-id)))))
(defmacro capture-changed-workers
[& body]
`(let [launch-captured# (atom {})
shutdown-captured# (atom {})]
(with-var-roots [supervisor/launch-worker (mk-capture-launch-fn launch-captured#)
supervisor/shutdown-worker (mk-capture-shutdown-fn shutdown-captured#)]
~@body
{:launched @launch-captured#
:shutdown @shutdown-captured#})))
(defmacro capture-launched-workers
[& body]
`(:launched (capture-changed-workers ~@body)))
(defmacro capture-shutdown-workers
[& body]
`(:shutdown (capture-changed-workers ~@body)))
(defnk aggregated-stat
[cluster-map storm-name stat-key :component-ids nil]
(let [state (:storm-cluster-state cluster-map)
nimbus (:nimbus cluster-map)
storm-id (common/get-storm-id state storm-name)
component->tasks (reverse-map
(common/storm-task-info
(.getUserTopology nimbus storm-id)
(from-json (.getTopologyConf nimbus storm-id))))
component->tasks (if component-ids
(select-keys component->tasks component-ids)
component->tasks)
task-ids (apply concat (vals component->tasks))
assignment (.assignment-info state storm-id nil)
taskbeats (.taskbeats state storm-id (:task->node+port assignment))
heartbeats (dofor [id task-ids] (get taskbeats id))
stats (dofor [hb heartbeats] (if hb (stat-key (:stats hb)) 0))]
(reduce + stats)))
(defn emitted-spout-tuples
[cluster-map topology storm-name]
(aggregated-stat
cluster-map
storm-name
:emitted
:component-ids (keys (.get_spouts topology))))
(defn transferred-tuples
[cluster-map storm-name]
(aggregated-stat cluster-map storm-name :transferred))
(defn acked-tuples
[cluster-map storm-name]
(aggregated-stat cluster-map storm-name :acked))
(defn simulate-wait
[cluster-map]
(if (Time/isSimulating)
(advance-cluster-time cluster-map 10)
(Thread/sleep 100)))
(defprotocol CompletableSpout
(exhausted?
[this]
"Whether all the tuples for this spout have been completed.")
(cleanup
[this]
"Cleanup any global state kept")
(startup
[this]
"Prepare the spout (globally) before starting the topology"))
(extend-type FixedTupleSpout
CompletableSpout
(exhausted? [this]
(= (-> this .getSourceTuples count)
(.getCompleted this)))
(cleanup [this]
(.cleanup this))
(startup [this]))
(extend-type TransactionalSpoutCoordinator
CompletableSpout
(exhausted? [this]
(exhausted? (.getSpout this)))
(cleanup [this]
(cleanup (.getSpout this)))
(startup [this]
(startup (.getSpout this))))
(extend-type PartitionedTransactionalSpoutExecutor
CompletableSpout
(exhausted? [this]
(exhausted? (.getPartitionedSpout this)))
(cleanup [this]
(cleanup (.getPartitionedSpout this)))
(startup [this]
(startup (.getPartitionedSpout this))))
(extend-type MemoryTransactionalSpout
CompletableSpout
(exhausted? [this]
(.isExhaustedTuples this))
(cleanup [this]
(.cleanup this))
(startup [this]
(.startup this)))
(defn spout-objects [spec-map]
(for [[_ spout-spec] spec-map]
(-> spout-spec
.get_spout_object
deserialized-component-object)))
(defn capture-topology
[topology]
(let [topology (.deepCopy topology)
spouts (.get_spouts topology)
bolts (.get_bolts topology)
all-streams (apply concat
(for [[id spec] (merge (clojurify-structure spouts)
(clojurify-structure bolts))]
(for [[stream info] (.. spec get_common get_streams)]
[(GlobalStreamId. id stream) (.is_direct info)])))
capturer (TupleCaptureBolt.)]
(.set_bolts topology
(assoc (clojurify-structure bolts)
(uuid)
(Bolt.
(serialize-component-object capturer)
(mk-plain-component-common (into {} (for [[id direct?] all-streams]
[id (if direct?
(mk-direct-grouping)
(mk-global-grouping))]))
{}
nil))))
{:topology topology
:capturer capturer}))
;; TODO: mock-sources needs to be able to mock out state spouts as well
(defnk complete-topology
[cluster-map topology
:mock-sources {}
:storm-conf {}
:cleanup-state true
:topology-name nil
:timeout-ms TEST-TIMEOUT-MS]
;; TODO: the idea of mocking for transactional topologies should be done an
;; abstraction level above... should have a complete-transactional-topology for this
(let [{topology :topology capturer :capturer} (capture-topology topology)
storm-name (or topology-name (str "topologytest-" (uuid)))
state (:storm-cluster-state cluster-map)
spouts (.get_spouts topology)
replacements (map-val (fn [v]
(FixedTupleSpout.
(for [tup v]
(if (map? tup)
(FixedTuple. (:stream tup) (:values tup))
tup))))
mock-sources)]
(doseq [[id spout] replacements]
(let [spout-spec (get spouts id)]
(.set_spout_object spout-spec (serialize-component-object spout))))
(doseq [spout (spout-objects spouts)]
(when-not (extends? CompletableSpout (.getClass spout))
(throw (RuntimeException. (str "Cannot complete topology unless every spout is a CompletableSpout (or mocked to be); failed by " spout)))))
(doseq [spout (spout-objects spouts)]
(startup spout))
(submit-local-topology (:nimbus cluster-map) storm-name storm-conf topology)
(let [storm-id (common/get-storm-id state storm-name)]
;;Give the topology time to come up without using it to wait for the spouts to complete
(simulate-wait cluster-map)
(while-timeout timeout-ms (not (every? exhausted? (spout-objects spouts)))
(simulate-wait cluster-map))
(.killTopologyWithOpts (:nimbus cluster-map) storm-name (doto (KillOptions.) (.set_wait_secs 0)))
(while-timeout timeout-ms (.assignment-info state storm-id nil)
(simulate-wait cluster-map))
(when cleanup-state
(doseq [spout (spout-objects spouts)]
(cleanup spout))))
(if cleanup-state
(.getAndRemoveResults capturer)
(.getAndClearResults capturer))))
(defn read-tuples
([results component-id stream-id]
(let [fixed-tuples (get results component-id [])]
(mapcat
(fn [ft]
(if (= stream-id (. ft stream))
[(vec (. ft values))]))
fixed-tuples)
))
([results component-id]
(read-tuples results component-id Utils/DEFAULT_STREAM_ID)))
(defn ms=
[& args]
(apply = (map multi-set args)))
(def TRACKER-BOLT-ID "+++tracker-bolt")
;; TODO: should override system-topology! and wrap everything there
(defn mk-tracked-topology
([tracked-cluster topology]
(let [track-id (::track-id tracked-cluster)
ret (.deepCopy topology)]
(dofor [[_ bolt] (.get_bolts ret)
:let [obj (deserialized-component-object (.get_bolt_object bolt))]]
(.set_bolt_object bolt (serialize-component-object
(BoltTracker. obj track-id))))
(dofor [[_ spout] (.get_spouts ret)
:let [obj (deserialized-component-object (.get_spout_object spout))]]
(.set_spout_object spout (serialize-component-object
(SpoutTracker. obj track-id))))
{:topology ret
:last-spout-emit (atom 0)
:cluster tracked-cluster})))
(defn assoc-track-id
[cluster track-id]
(assoc cluster ::track-id track-id))
(defn increment-global!
[id key amt]
(-> (RegisteredGlobalState/getState id)
(get key)
(.addAndGet amt)))
(defn global-amt
[id key]
(-> (RegisteredGlobalState/getState id)
(get key)
.get))
(defmacro with-tracked-cluster
[[cluster-sym & cluster-args] & body]
`(let [id# (uuid)]
(RegisteredGlobalState/setState
id#
(doto (ConcurrentHashMap.)
(.put "spout-emitted" (AtomicInteger. 0))
(.put "transferred" (AtomicInteger. 0))
(.put "processed" (AtomicInteger. 0))))
(with-var-roots
[acker/mk-acker-bolt
(let [old# acker/mk-acker-bolt]
(fn [& args#] (NonRichBoltTracker. (apply old# args#) id#)))
;; critical that this particular function is overridden here,
;; since the transferred stat needs to be incremented at the moment
;; of tuple emission (and not on a separate thread later) for
;; topologies to be tracked correctly. This is because "transferred" *must*
;; be incremented before "processing".
executor/mk-executor-transfer-fn
(let [old# executor/mk-executor-transfer-fn]
(fn [& args#]
(let [transferrer# (apply old# args#)]
(fn [& args2#]
;; (log-message "Transferring: " transfer-args#)
(increment-global! id# "transferred" 1)
(apply transferrer# args2#)))))]
(with-local-cluster [~cluster-sym ~@cluster-args]
(let [~cluster-sym (assoc-track-id ~cluster-sym id#)]
~@body)))
(RegisteredGlobalState/clearState id#)))
(defn tracked-wait
"Waits until topology is idle and 'amt' more tuples have been emitted by spouts."
([tracked-topology]
(tracked-wait tracked-topology 1 TEST-TIMEOUT-MS))
([tracked-topology amt]
(tracked-wait tracked-topology amt TEST-TIMEOUT-MS))
([tracked-topology amt timeout-ms]
(let [target (+ amt @(:last-spout-emit tracked-topology))
track-id (-> tracked-topology :cluster ::track-id)
waiting? (fn []
(or (not= target (global-amt track-id "spout-emitted"))
(not= (global-amt track-id "transferred")
(global-amt track-id "processed"))))]
(while-timeout timeout-ms (waiting?)
;; (println "Spout emitted: " (global-amt track-id "spout-emitted"))
;; (println "Processed: " (global-amt track-id "processed"))
;; (println "Transferred: " (global-amt track-id "transferred"))
(Thread/sleep (rand-int 200)))
(reset! (:last-spout-emit tracked-topology) target))))
(defnk test-tuple
[values
:stream Utils/DEFAULT_STREAM_ID
:component "component"
:fields nil]
(let [fields (or fields
(->> (iterate inc 1)
(take (count values))
(map #(str "field" %))))
spout-spec (mk-spout-spec* (TestWordSpout.)
{stream fields})
topology (StormTopology. {component spout-spec} {} {})
context (TopologyContext.
topology
(read-storm-config)
{(int 1) component}
{component [(int 1)]}
{component {stream (Fields. fields)}}
"test-storm-id"
nil
nil
(int 1)
nil
[(int 1)]
{}
{}
(HashMap.)
(HashMap.)
(atom false))]
(TupleImpl. context values 1 stream)))
(defmacro with-timeout
[millis unit & body]
`(let [f# (future ~@body)]
(try
(.get f# ~millis ~unit)
(finally (future-cancel f#)))))