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(ns jepsen.garage
(:require
[clojure.string :as str]
[jepsen
[checker :as checker]
[cli :as cli]
[generator :as gen]
[nemesis :as nemesis]
[tests :as tests]]
[jepsen.os.debian :as debian]
[jepsen.garage
[grg :as grg]
[reg :as reg]
[set :as set]]))
(def workloads
"A map of workload names to functions that construct workloads, given opts."
{"reg" reg/workload
"set1" set/workload1
"set2" set/workload2})
(def cli-opts
"Additional command line options."
[["-I" "--increasing-timestamps" "Garage version with increasing timestamps on PutObject"
:default false]
["-r" "--rate HZ" "Approximate number of requests per second, per thread."
:default 10
:parse-fn read-string
:validate [#(and (number? %) (pos? %)) "Must be a positive number"]]
[nil "--ops-per-key NUM" "Maximum number of operations on any given key."
:default 100
:parse-fn parse-long
:validate [pos? "Must be a positive integer."]]
["-w" "--workload NAME" "Workload of test to run"
:default "reg"
:validate [workloads (cli/one-of workloads)]]])
(defn garage-test
"Given an options map from the command line runner (e.g. :nodes, :ssh,
:concurrency, ...), constructs a test map."
[opts]
(let [workload ((get workloads (:workload opts)) opts)
garage-version (if (:increasing-timestamps opts)
"03490d41d58576d7b3bcf977b2726d72a3a66ada"
"v0.8.2")]
(merge tests/noop-test
opts
{:pure-generators true
:name (str "garage " (name (:workload opts)))
:os debian/os
:db (grg/db garage-version)
:client (:client workload)
:generator (gen/phases
(->>
(:generator workload)
(gen/stagger (/ (:rate opts)))
(gen/nemesis
(cycle [(gen/sleep 5)
{:type :info, :f :start}
(gen/sleep 5)
{:type :info, :f :stop}]))
(gen/time-limit (:time-limit opts)))
(gen/log "Healing cluster")
(gen/nemesis (gen/once {:type :info, :f :stop}))
(gen/log "Waiting for recovery")
(gen/sleep 10)
(gen/clients (:final-generator workload)))
:nemesis (nemesis/partition-random-halves)
:checker (checker/compose
{:perf (checker/perf)
:workload (:checker workload)})
})))
(defn -main
"Handles command line arguments. Can either run a test, or a web server for
browsing results."
[& args]
(cli/run! (merge (cli/single-test-cmd {:test-fn garage-test
:opt-spec cli-opts})
(cli/serve-cmd))
args))
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