refactor jepsen code

This commit is contained in:
Alex 2023-10-18 16:30:45 +02:00
parent 84d43501ce
commit ddd3de7fce
5 changed files with 83 additions and 77 deletions

View file

@ -9,7 +9,7 @@
[tests :as tests]]
[jepsen.os.debian :as debian]
[jepsen.garage
[grg :as grg]
[daemon :as grg]
[reg :as reg]
[set :as set]]))

View file

@ -1,24 +1,22 @@
(ns jepsen.garage.grg
(ns jepsen.garage.daemon
(:require [clojure.tools.logging :refer :all]
[jepsen [control :as c]
[core :as jepsen]
[db :as db]]
[jepsen.control.util :as cu]
[amazonica.aws.s3 :as s3]
[slingshot.slingshot :refer [try+]]))
[jepsen.control.util :as cu]))
; CONSTANTS -- HOW GARAGE IS SET UP
(def dir "/opt/garage")
(def data-dir (str dir "/data"))
(def meta-dir (str dir "/meta"))
(def binary (str dir "/garage"))
(def logfile (str dir "/garage.log"))
(def pidfile (str dir "/garage.pid"))
(def base-dir "/opt/garage")
(def data-dir (str base-dir "/data"))
(def meta-dir (str base-dir "/meta"))
(def binary (str base-dir "/garage"))
(def logfile (str base-dir "/garage.log"))
(def pidfile (str base-dir "/garage.pid"))
(def grg-admin-token "icanhazadmin")
(def grg-key "jepsen")
(def grg-bucket "jepsen")
(def admin-token "icanhazadmin")
(def access-key "jepsen")
(def bucket-name "jepsen")
; THE GARAGE DB
@ -28,7 +26,7 @@
(c/su
(c/trace
(info node "installing garage" version)
(c/exec :mkdir :-p dir)
(c/exec :mkdir :-p base-dir)
(let [url (str "https://garagehq.deuxfleurs.fr/_releases/" version "/x86_64-unknown-linux-musl/garage")
cache (cu/cached-wget! url)]
(c/exec :cp cache binary))
@ -45,8 +43,8 @@
"rpc_public_addr = \"" node ":3901\"\n"
"db_engine = \"lmdb\"\n"
"replication_mode = \"3\"\n"
"data_dir = \"" dir "/data\"\n"
"metadata_dir = \"" dir "/meta\"\n"
"data_dir = \"" data-dir "\"\n"
"metadata_dir = \"" meta-dir "\"\n"
"[s3_api]\n"
"s3_region = \"us-east-1\"\n"
"api_bind_addr = \"0.0.0.0:3900\"\n"
@ -54,7 +52,7 @@
"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")
"admin_token = \"" admin-token "\"\n")
"/etc/garage.toml"))))
(defn connect-node!
@ -80,10 +78,10 @@
(c/trace
(c/exec binary :layout :apply :--version 1)
(info node "garage status:" (c/exec binary :status))
(c/exec binary :key :create 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))))
(c/exec binary :key :create access-key)
(c/exec binary :bucket :create bucket-name)
(c/exec binary :bucket :allow :--read :--write bucket-name :--key access-key)
(info node "key info: " (c/exec binary :key :info access-key))))
(defn db
"Garage DB for a particular version"
@ -95,7 +93,7 @@
(cu/start-daemon!
{:logfile logfile
:pidfile pidfile
:chdir dir}
:chdir base-dir}
binary
:server)
(c/exec :sleep 3)
@ -121,58 +119,16 @@
(log-files [_ test node]
[logfile])))
; GARAGE S3 HELPER FUNCTIONS
(defn s3-creds
"Get S3 credentials for node"
(defn creds
"Obtain Garage credentials for node"
[node]
(let [key-info (c/on node (c/exec binary :key :info grg-key :--show-secret))
(let [key-info (c/on node (c/exec binary :key :info access-key :--show-secret))
[_ ak sk] (re-matches
#"(?s).*Key ID: (.*)\nSecret key: (.*)\nCan create.*"
key-info)]
{:access-key ak
:secret-key sk
:endpoint (str "http://" node ":3900")
:bucket grg-bucket
:bucket bucket-name
:client-config {:path-style-access-enabled true}}))
(defn s3-get
"Helper for GetObject"
[creds k]
(try+
(-> (s3/get-object creds (:bucket creds) k)
:input-stream
slurp)
(catch (re-find #"Key not found" (.getMessage %)) ex
nil)))
(defn s3-put
"Helper for PutObject or DeleteObject (is a delete if value is nil)"
[creds k v]
(if (= v nil)
(s3/delete-object creds
:bucket-name (:bucket creds)
:key k)
(let [some-bytes (.getBytes v "UTF-8")
bytes-stream (java.io.ByteArrayInputStream. some-bytes)]
(s3/put-object creds
:bucket-name (:bucket creds)
:key k
:input-stream bytes-stream
:metadata {:content-length (count some-bytes)}))))
(defn s3-list
"Helper for ListObjects -- just lists everything in the bucket"
[creds prefix]
(defn list-inner [ct accum]
(let [list-result (s3/list-objects-v2 creds
{:bucket-name (:bucket creds)
:prefix prefix
:continuation-token ct})
new-object-summaries (:object-summaries list-result)
new-objects (map (fn [d] (:key d)) new-object-summaries)
objects (concat new-objects accum)]
(if (:truncated? list-result)
(list-inner (:next-continuation-token list-result) objects)
objects)))
(list-inner nil []))

View file

@ -13,7 +13,8 @@
[jepsen.checker.timeline :as timeline]
[jepsen.control.util :as cu]
[jepsen.os.debian :as debian]
[jepsen.garage.grg :as grg]
[jepsen.garage.daemon :as grg]
[jepsen.garage.s3api :as s3]
[knossos.model :as model]
[slingshot.slingshot :refer [try+]]))
@ -24,7 +25,7 @@
(defrecord RegClient [creds]
client/Client
(open! [this test node]
(let [creds (grg/s3-creds node)]
(let [creds (grg/creds node)]
(info node "s3 credentials:" creds)
(assoc this :creds creds)))
(setup! [this test])
@ -32,11 +33,11 @@
(let [[k v] (:value op)]
(case (:f op)
:read
(let [value (grg/s3-get (:creds this) k)]
(let [value (s3/get (:creds this) k)]
(assoc op :type :ok, :value (independent/tuple k value)))
:write
(do
(grg/s3-put (:creds this) k v)
(s3/put (:creds this) k v)
(assoc op :type :ok)))))
(teardown! [this test])
(close! [this test]))

View file

@ -0,0 +1,48 @@
(ns jepsen.garage.s3api
(:require [clojure.tools.logging :refer :all]
[jepsen [control :as c]]
[amazonica.aws.s3 :as s3]
[slingshot.slingshot :refer [try+]]))
; GARAGE S3 HELPER FUNCTIONS
(defn get
"Helper for GetObject"
[creds k]
(try+
(-> (s3/get-object creds (:bucket creds) k)
:input-stream
slurp)
(catch (re-find #"Key not found" (.getMessage %)) ex
nil)))
(defn put
"Helper for PutObject or DeleteObject (is a delete if value is nil)"
[creds k v]
(if (= v nil)
(s3/delete-object creds
:bucket-name (:bucket creds)
:key k)
(let [some-bytes (.getBytes v "UTF-8")
bytes-stream (java.io.ByteArrayInputStream. some-bytes)]
(s3/put-object creds
:bucket-name (:bucket creds)
:key k
:input-stream bytes-stream
:metadata {:content-length (count some-bytes)}))))
(defn list
"Helper for ListObjects -- just lists everything in the bucket"
[creds prefix]
(defn list-inner [ct accum]
(let [list-result (s3/list-objects-v2 creds
{:bucket-name (:bucket creds)
:prefix prefix
:continuation-token ct})
new-object-summaries (:object-summaries list-result)
new-objects (map (fn [d] (:key d)) new-object-summaries)
objects (concat new-objects accum)]
(if (:truncated? list-result)
(list-inner (:next-continuation-token list-result) objects)
objects)))
(list-inner nil []))

View file

@ -15,7 +15,8 @@
[jepsen.checker.timeline :as timeline]
[jepsen.control.util :as cu]
[jepsen.os.debian :as debian]
[jepsen.garage.grg :as grg]
[jepsen.garage.daemon :as grg]
[jepsen.garage.s3api :as s3]
[knossos.model :as model]
[slingshot.slingshot :refer [try+]]))
@ -25,7 +26,7 @@
(defrecord SetClient [creds]
client/Client
(open! [this test node]
(let [creds (grg/s3-creds node)]
(let [creds (grg/creds node)]
(info node "s3 credentials:" creds)
(assoc this :creds creds)))
(setup! [this test])
@ -35,10 +36,10 @@
(case (:f op)
:add
(do
(grg/s3-put (:creds this) (str prefix v) "present")
(s3/put (:creds this) (str prefix v) "present")
(assoc op :type :ok))
:read
(let [items (grg/s3-list (:creds this) prefix)
(let [items (s3/list (:creds this) prefix)
items-stripped (map (fn [o] (str/replace-first o prefix "")) items)
items-set (set (map read-string items-stripped))]
(assoc op :type :ok, :value (independent/tuple k items-set))))))