refactor jepsen code
This commit is contained in:
Alex Auvolat
parent
84d43501ce
commit
ddd3de7fce
@ -9,7 +9,7 @@
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[tests :as tests]]
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[jepsen.os.debian :as debian]
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[jepsen.garage
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[grg :as grg]
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[daemon :as grg]
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[reg :as reg]
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[set :as set]]))
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@ -1,24 +1,22 @@
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(ns jepsen.garage.grg
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(ns jepsen.garage.daemon
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(:require [clojure.tools.logging :refer :all]
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[jepsen [control :as c]
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[core :as jepsen]
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[db :as db]]
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[jepsen.control.util :as cu]
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[amazonica.aws.s3 :as s3]
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[slingshot.slingshot :refer [try+]]))
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[jepsen.control.util :as cu]))
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; CONSTANTS -- HOW GARAGE IS SET UP
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(def dir "/opt/garage")
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(def data-dir (str dir "/data"))
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(def meta-dir (str dir "/meta"))
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(def binary (str dir "/garage"))
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(def logfile (str dir "/garage.log"))
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(def pidfile (str dir "/garage.pid"))
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(def base-dir "/opt/garage")
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(def data-dir (str base-dir "/data"))
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(def meta-dir (str base-dir "/meta"))
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(def binary (str base-dir "/garage"))
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(def logfile (str base-dir "/garage.log"))
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(def pidfile (str base-dir "/garage.pid"))
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(def grg-admin-token "icanhazadmin")
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(def grg-key "jepsen")
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(def grg-bucket "jepsen")
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(def admin-token "icanhazadmin")
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(def access-key "jepsen")
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(def bucket-name "jepsen")
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; THE GARAGE DB
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@ -28,7 +26,7 @@
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(c/su
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(c/trace
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(info node "installing garage" version)
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(c/exec :mkdir :-p dir)
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(c/exec :mkdir :-p base-dir)
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(let [url (str "https://garagehq.deuxfleurs.fr/_releases/" version "/x86_64-unknown-linux-musl/garage")
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cache (cu/cached-wget! url)]
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(c/exec :cp cache binary))
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@ -45,8 +43,8 @@
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"rpc_public_addr = \"" node ":3901\"\n"
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"db_engine = \"lmdb\"\n"
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"replication_mode = \"3\"\n"
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"data_dir = \"" dir "/data\"\n"
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"metadata_dir = \"" dir "/meta\"\n"
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"data_dir = \"" data-dir "\"\n"
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"metadata_dir = \"" meta-dir "\"\n"
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"[s3_api]\n"
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"s3_region = \"us-east-1\"\n"
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"api_bind_addr = \"0.0.0.0:3900\"\n"
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@ -54,7 +52,7 @@
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"api_bind_addr = \"0.0.0.0:3902\"\n"
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"[admin]\n"
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"api_bind_addr = \"0.0.0.0:3903\"\n"
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"admin_token = \"" grg-admin-token "\"\n")
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"admin_token = \"" admin-token "\"\n")
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"/etc/garage.toml"))))
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(defn connect-node!
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@ -80,10 +78,10 @@
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(c/trace
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(c/exec binary :layout :apply :--version 1)
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(info node "garage status:" (c/exec binary :status))
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(c/exec binary :key :create grg-key)
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(c/exec binary :bucket :create grg-bucket)
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(c/exec binary :bucket :allow :--read :--write grg-bucket :--key grg-key)
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(info node "key info: " (c/exec binary :key :info grg-key))))
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(c/exec binary :key :create access-key)
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(c/exec binary :bucket :create bucket-name)
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(c/exec binary :bucket :allow :--read :--write bucket-name :--key access-key)
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(info node "key info: " (c/exec binary :key :info access-key))))
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(defn db
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"Garage DB for a particular version"
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@ -95,7 +93,7 @@
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(cu/start-daemon!
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{:logfile logfile
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:pidfile pidfile
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:chdir dir}
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:chdir base-dir}
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binary
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:server)
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(c/exec :sleep 3)
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@ -121,58 +119,16 @@
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(log-files [_ test node]
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[logfile])))
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; GARAGE S3 HELPER FUNCTIONS
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(defn s3-creds
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"Get S3 credentials for node"
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(defn creds
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"Obtain Garage credentials for node"
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[node]
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(let [key-info (c/on node (c/exec binary :key :info grg-key :--show-secret))
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(let [key-info (c/on node (c/exec binary :key :info access-key :--show-secret))
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[_ ak sk] (re-matches
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#"(?s).*Key ID: (.*)\nSecret key: (.*)\nCan create.*"
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key-info)]
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{:access-key ak
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:secret-key sk
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:endpoint (str "http://" node ":3900")
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:bucket grg-bucket
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:bucket bucket-name
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:client-config {:path-style-access-enabled true}}))
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(defn s3-get
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"Helper for GetObject"
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[creds k]
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(try+
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(-> (s3/get-object creds (:bucket creds) k)
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:input-stream
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slurp)
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(catch (re-find #"Key not found" (.getMessage %)) ex
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nil)))
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(defn s3-put
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"Helper for PutObject or DeleteObject (is a delete if value is nil)"
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[creds k v]
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(if (= v nil)
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(s3/delete-object creds
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:bucket-name (:bucket creds)
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:key k)
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(let [some-bytes (.getBytes v "UTF-8")
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bytes-stream (java.io.ByteArrayInputStream. some-bytes)]
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(s3/put-object creds
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:bucket-name (:bucket creds)
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:key k
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:input-stream bytes-stream
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:metadata {:content-length (count some-bytes)}))))
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(defn s3-list
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"Helper for ListObjects -- just lists everything in the bucket"
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[creds prefix]
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(defn list-inner [ct accum]
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(let [list-result (s3/list-objects-v2 creds
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{:bucket-name (:bucket creds)
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:prefix prefix
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:continuation-token ct})
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new-object-summaries (:object-summaries list-result)
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new-objects (map (fn [d] (:key d)) new-object-summaries)
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objects (concat new-objects accum)]
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(if (:truncated? list-result)
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(list-inner (:next-continuation-token list-result) objects)
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objects)))
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(list-inner nil []))
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@ -13,7 +13,8 @@
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[jepsen.checker.timeline :as timeline]
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[jepsen.control.util :as cu]
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[jepsen.os.debian :as debian]
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[jepsen.garage.grg :as grg]
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[jepsen.garage.daemon :as grg]
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[jepsen.garage.s3api :as s3]
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[knossos.model :as model]
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[slingshot.slingshot :refer [try+]]))
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@ -24,7 +25,7 @@
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(defrecord RegClient [creds]
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client/Client
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(open! [this test node]
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(let [creds (grg/s3-creds node)]
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(let [creds (grg/creds node)]
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(info node "s3 credentials:" creds)
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(assoc this :creds creds)))
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(setup! [this test])
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@ -32,11 +33,11 @@
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(let [[k v] (:value op)]
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(case (:f op)
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:read
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(let [value (grg/s3-get (:creds this) k)]
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(let [value (s3/get (:creds this) k)]
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(assoc op :type :ok, :value (independent/tuple k value)))
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:write
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(do
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(grg/s3-put (:creds this) k v)
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(s3/put (:creds this) k v)
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(assoc op :type :ok)))))
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(teardown! [this test])
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(close! [this test]))
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48
script/jepsen.garage/src/jepsen/garage/s3api.clj
Normal file
48
script/jepsen.garage/src/jepsen/garage/s3api.clj
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@ -0,0 +1,48 @@
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(ns jepsen.garage.s3api
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(:require [clojure.tools.logging :refer :all]
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[jepsen [control :as c]]
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[amazonica.aws.s3 :as s3]
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[slingshot.slingshot :refer [try+]]))
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; GARAGE S3 HELPER FUNCTIONS
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(defn get
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"Helper for GetObject"
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[creds k]
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(try+
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(-> (s3/get-object creds (:bucket creds) k)
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:input-stream
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slurp)
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(catch (re-find #"Key not found" (.getMessage %)) ex
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nil)))
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(defn put
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"Helper for PutObject or DeleteObject (is a delete if value is nil)"
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[creds k v]
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(if (= v nil)
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(s3/delete-object creds
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:bucket-name (:bucket creds)
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:key k)
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(let [some-bytes (.getBytes v "UTF-8")
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bytes-stream (java.io.ByteArrayInputStream. some-bytes)]
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(s3/put-object creds
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:bucket-name (:bucket creds)
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:key k
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:input-stream bytes-stream
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:metadata {:content-length (count some-bytes)}))))
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(defn list
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"Helper for ListObjects -- just lists everything in the bucket"
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[creds prefix]
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(defn list-inner [ct accum]
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(let [list-result (s3/list-objects-v2 creds
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{:bucket-name (:bucket creds)
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:prefix prefix
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:continuation-token ct})
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new-object-summaries (:object-summaries list-result)
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new-objects (map (fn [d] (:key d)) new-object-summaries)
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objects (concat new-objects accum)]
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(if (:truncated? list-result)
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(list-inner (:next-continuation-token list-result) objects)
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objects)))
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(list-inner nil []))
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@ -15,7 +15,8 @@
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[jepsen.checker.timeline :as timeline]
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[jepsen.control.util :as cu]
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[jepsen.os.debian :as debian]
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[jepsen.garage.grg :as grg]
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[jepsen.garage.daemon :as grg]
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[jepsen.garage.s3api :as s3]
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[knossos.model :as model]
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[slingshot.slingshot :refer [try+]]))
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@ -25,7 +26,7 @@
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(defrecord SetClient [creds]
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client/Client
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(open! [this test node]
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(let [creds (grg/s3-creds node)]
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(let [creds (grg/creds node)]
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(info node "s3 credentials:" creds)
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(assoc this :creds creds)))
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(setup! [this test])
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@ -35,10 +36,10 @@
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(case (:f op)
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:add
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(do
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(grg/s3-put (:creds this) (str prefix v) "present")
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(s3/put (:creds this) (str prefix v) "present")
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(assoc op :type :ok))
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:read
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(let [items (grg/s3-list (:creds this) prefix)
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(let [items (s3/list (:creds this) prefix)
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items-stripped (map (fn [o] (str/replace-first o prefix "")) items)
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items-set (set (map read-string items-stripped))]
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(assoc op :type :ok, :value (independent/tuple k items-set))))))
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