jepsen: s3 gets and puts

1 files changed, 136 insertions, 4 deletions

diff --git a/script/jepsen.garage/src/jepsen/garage.clj b/script/jepsen.garage/src/jepsen/garage.clj
index 6617064e..26c58097 100644
--- a/script/jepsen.garage/src/jepsen/garage.clj
+++ b/script/jepsen.garage/src/jepsen/garage.clj
@@ -1,14 +1,146 @@
 (ns jepsen.garage
-  (:require [jepsen.cli :as cli]
-            [jepsen.tests :as tests]))
+  (:require [clojure.tools.logging :refer :all]
+            [clojure.string :as str]
+            [jepsen [cli :as cli]
+                    [client :as client]
+                    [control :as c]
+                    [db :as db]
+                    [generator :as gen]
+                    [tests :as tests]]
+            [jepsen.control.util :as cu]
+            [jepsen.os.debian :as debian]
+            [amazonica.aws.s3 :as s3]
+            [amazonica.aws.s3transfer :as s3transfer]))
+
+(def dir "/opt/garage")
+(def binary (str dir "/garage"))
+(def logfile (str dir "/garage.log"))
+(def pidfile (str dir "/garage.pid"))
+
+(def grg-admin-token "icanhazadmin")
+(def grg-key "jepsen")
+(def grg-bucket "jepsen")
+(def grg-object "1")
+
+(defn db
+  "Garage DB for a particular version"
+  [version]
+  (reify db/DB
+    (setup! [_ test node]
+      (info node "installing garage" version)
+      (c/su
+        (c/exec :mkdir :-p dir)
+        (let [url (str "https://garagehq.deuxfleurs.fr/_releases/" version "/x86_64-unknown-linux-musl/garage")
+              cache (cu/wget! url)]
+          (c/exec :cp cache binary))
+        (c/exec :chmod :+x binary)
+        (cu/write-file!
+          (str "rpc_secret = \"0fffabe52542c2b89a56b2efb7dfd477e9dafb285c9025cbdf1de7ca21a6b372\"\n"
+               "rpc_bind_addr = \"0.0.0.0:3901\"\n"
+               "rpc_public_addr = \"" node ":3901\"\n"
+               "db_engine = \"lmdb\"\n"
+               "replication_mode = \"3\"\n"
+               "data_dir = \"" dir "/data\"\n"
+               "metadata_dir = \"" dir "/meta\"\n"
+               "[s3_api]\n"
+               "s3_region = \"us-east-1\"\n"
+               "api_bind_addr = \"0.0.0.0:3900\"\n"
+               "[k2v_api]\n"
+               "api_bind_addr = \"0.0.0.0:3902\"\n"
+               "[admin]\n"
+               "api_bind_addr = \"0.0.0.0:3903\"\n"
+               "admin_token = \"" grg-admin-token "\"\n")
+          "/etc/garage.toml")
+        (cu/start-daemon!
+          {:logfile logfile
+           :pidfile pidfile
+           :chdir dir}
+          binary
+          :server)
+        (Thread/sleep 100)
+        (let [node-id (c/exec binary :node :id :-q)]
+          (info node "node id:" node-id)
+          (c/on-many (:nodes test)
+                     (c/exec binary :node :connect node-id))
+          (c/exec binary :layout :assign (subs node-id 0 16) :-c 1 :-z :dc1 :-t node))
+        (if (= node (first (:nodes test)))
+          (do
+            (Thread/sleep 2000)
+            (c/exec binary :layout :apply :--version 1)
+            (info node "garage status:" (c/exec binary :status))
+            (c/exec binary :key :new :--name grg-key)
+            (c/exec binary :bucket :create grg-bucket)
+            (c/exec binary :bucket :allow :--read :--write grg-bucket :--key grg-key)
+            (info node "key info: " (c/exec binary :key :info grg-key))))))
+    (teardown! [_ test node]
+      (info node "tearing down garage" version)
+      (c/su
+        (cu/stop-daemon! binary pidfile)
+        (c/exec :rm :-rf dir)))
+    db/LogFiles
+    (log-files [_ test node]
+      [logfile])))
+
+(defn op-get [_ _] {:type :invoke, :f :get-object, :value nil})
+(defn op-put [_ _] {:type :invoke, :f :put-object, :value (str (rand-int 50))})
+(defn op-del [_ _] {:type :invoke, :f :del-object, :value nil})
+
+(defrecord Client [creds]
+  client/Client
+  (open! [this test node]
+    (let [key-info (c/on node (c/exec binary :key :info grg-key))
+          [_ ak sk] (re-matches
+                      #"(?s).*Key ID: (.*)\nSecret key: (.*)\nCan create.*"
+                      key-info)
+          creds {:access-key ak
+                 :secret-key sk
+                 :endpoint (str "http://" node ":3900")
+                 :client-config {:path-style-access-enabled true}}]
+      (info node "s3 credentials:" creds)
+      (assoc this :creds creds)))
+  (setup! [this test])
+  (invoke! [this test op]
+    (case (:f op)
+      :get-object
+        (let [value-bytes (try
+                      (-> (s3/get-object (:creds this) grg-bucket grg-object)
+                          :input-stream
+                          slurp)
+                      (catch Exception e nil))]
+          (assoc op :type :ok, :value value-bytes))
+      :put-object
+        (let [some-bytes (.getBytes (:value op) "UTF-8")
+              bytes-stream (java.io.ByteArrayInputStream. some-bytes)]
+          (s3/put-object (:creds this)
+                         :bucket-name grg-bucket
+                         :key grg-object
+                         :input-stream bytes-stream
+                         :metadata {:content-length (count some-bytes)})
+          (assoc op :type :ok))
+      :del-object
+      (do
+        (s3/delete-object (:creds this)
+                          :bucket-name grg-bucket
+                          :key grg-object)
+        (assoc op :type :ok, :value nil))))
+  (teardown! [this test])
+  (close! [this test]))
 
 (defn garage-test
   "Given an options map from the command line runner (e.g. :nodes, :ssh,
   :concurrency, ...), constructs a test map."
   [opts]
   (merge tests/noop-test
-         {:pure-generators true}
-         opts))
+         opts
+         {:pure-generators  true
+          :name             "garage"
+          :os               debian/os
+          :db               (db "v0.8.2")
+          :client           (Client. nil)
+          :generator        (->> (gen/mix [op-get op-put])
+                                 (gen/stagger 1)
+                                 (gen/nemesis nil)
+                                 (gen/time-limit 15))}))
 
 (defn -main
   "Handles command line arguments. Can either run a test, or a web server for