2023-04-19 12:14:22 +00:00
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(ns jepsen.garage.grg
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(:require [clojure.tools.logging :refer :all]
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[jepsen [control :as c]
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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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; CONSTANTS -- HOW GARAGE IS SET UP
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(def dir "/opt/garage")
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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 grg-admin-token "icanhazadmin")
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(def grg-key "jepsen")
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(def grg-bucket "jepsen")
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; THE GARAGE DB
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(defn db
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"Garage DB for a particular version"
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[version]
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(reify db/DB
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(setup! [_ test node]
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(info node "installing garage" version)
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(c/su
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(c/exec :mkdir :-p 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/wget! url)]
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(c/exec :cp cache binary))
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(c/exec :chmod :+x binary)
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(cu/write-file!
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(str "rpc_secret = \"0fffabe52542c2b89a56b2efb7dfd477e9dafb285c9025cbdf1de7ca21a6b372\"\n"
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"rpc_bind_addr = \"0.0.0.0:3901\"\n"
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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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"[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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"[k2v_api]\n"
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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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"/etc/garage.toml")
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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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binary
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:server)
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(Thread/sleep 100)
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(let [node-id (c/exec binary :node :id :-q)]
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(info node "node id:" node-id)
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(c/on-many (:nodes test)
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(c/exec binary :node :connect node-id))
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(c/exec binary :layout :assign (subs node-id 0 16) :-c 1 :-z :dc1 :-t node))
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(if (= node (first (:nodes test)))
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(do
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(Thread/sleep 2000)
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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 :new :--name 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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(teardown! [_ test node]
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(info node "tearing down garage" version)
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(c/su
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(cu/stop-daemon! binary pidfile)
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(c/exec :rm :-rf dir)))
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db/LogFiles
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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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[node]
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(let [key-info (c/on node (c/exec binary :key :info grg-key))
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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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: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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2023-04-19 13:59:30 +00:00
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[creds prefix]
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2023-04-19 13:27:26 +00:00
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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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2023-04-19 13:59:30 +00:00
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:prefix prefix
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2023-04-19 13:27:26 +00:00
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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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