diff options
Diffstat (limited to 'script/jepsen.garage/src/jepsen/garage/daemon.clj')
-rw-r--r-- | script/jepsen.garage/src/jepsen/garage/daemon.clj | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/script/jepsen.garage/src/jepsen/garage/daemon.clj b/script/jepsen.garage/src/jepsen/garage/daemon.clj new file mode 100644 index 00000000..81163521 --- /dev/null +++ b/script/jepsen.garage/src/jepsen/garage/daemon.clj @@ -0,0 +1,134 @@ +(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])) + +; CONSTANTS -- HOW GARAGE IS SET UP + +(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 admin-token "icanhazadmin") +(def access-key "jepsen") +(def bucket-name "jepsen") + +; THE GARAGE DB + +(defn install! + "Download and install Garage" + [node version] + (c/su + (c/trace + (info node "installing garage" version) + (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)) + (c/exec :chmod :+x binary)))) + +(defn configure! + "Configure Garage" + [node] + (c/su + (c/trace + (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 = \"" 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" + "[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 = \"" admin-token "\"\n") + "/etc/garage.toml")))) + +(defn connect-node! + "Connect a Garage node to the rest of the cluster" + [test node] + (c/trace + (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))))) + +(defn configure-node! + "Configure a Garage node to be part of a cluster layout" + [test node] + (c/trace + (let [node-id (c/exec binary :node :id :-q)] + (c/on (jepsen/primary test) + (c/exec binary :layout :assign (subs node-id 0 16) :-c :1G :-z :dc1 :-t node))))) + +(defn finalize-config! + "Apply the layout and create a key/bucket pair in the cluster" + [node] + (c/trace + (c/exec binary :layout :apply :--version 1) + (info node "garage status:" (c/exec binary :status)) + (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" + [version] + (reify db/DB + (setup! [_ test node] + (install! node version) + (configure! node) + (cu/start-daemon! + {:logfile logfile + :pidfile pidfile + :chdir base-dir} + binary + :server) + (c/exec :sleep 3) + + (jepsen/synchronize test) + (connect-node! test node) + + (jepsen/synchronize test) + (configure-node! test node) + + (jepsen/synchronize test) + (when (= node (jepsen/primary test)) + (finalize-config! node))) + + (teardown! [_ test node] + (info node "tearing down garage" version) + (c/su + (cu/stop-daemon! binary pidfile) + (c/exec :rm :-rf data-dir) + (c/exec :rm :-rf meta-dir))) + + db/LogFiles + (log-files [_ test node] + [logfile]))) + +(defn creds + "Obtain Garage credentials for node" + [node] + (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 bucket-name + :client-config {:path-style-access-enabled true}})) + |