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authorAlex Auvolat <alex@adnab.me>2023-10-25 11:41:34 +0200
committerAlex Auvolat <alex@adnab.me>2023-10-25 11:41:34 +0200
commitdb921cc05f8bcfccd0d0ba1d90b6dcd77f06dcdd (patch)
treee2dadcb33d8cdc6eae93cbf7819fae7693df35b5 /script/jepsen.garage/src/jepsen/garage/nemesis.clj
parent4fa2646a75ed9b4823bf36ae6218a18cca11c471 (diff)
downloadgarage-db921cc05f8bcfccd0d0ba1d90b6dcd77f06dcdd.tar.gz
garage-db921cc05f8bcfccd0d0ba1d90b6dcd77f06dcdd.zip
jepsen: reconfigure nemesis + add db nemesis
Diffstat (limited to 'script/jepsen.garage/src/jepsen/garage/nemesis.clj')
-rw-r--r--script/jepsen.garage/src/jepsen/garage/nemesis.clj121
1 files changed, 56 insertions, 65 deletions
diff --git a/script/jepsen.garage/src/jepsen/garage/nemesis.clj b/script/jepsen.garage/src/jepsen/garage/nemesis.clj
index 6a2e1935..0222e463 100644
--- a/script/jepsen.garage/src/jepsen/garage/nemesis.clj
+++ b/script/jepsen.garage/src/jepsen/garage/nemesis.clj
@@ -4,6 +4,7 @@
[core :as jepsen]
[generator :as gen]
[nemesis :as nemesis]]
+ [jepsen.nemesis.combined :as combined]
[jepsen.garage.daemon :as grg]
[jepsen.control.util :as cu]))
@@ -11,21 +12,23 @@
(defn configure-present!
"Configure node to be active in new cluster layout"
- [test node]
- (info "configure-present!" node)
- (let [node-id (c/on node (c/exec grg/binary :node :id :-q))]
- (c/on
- (jepsen/primary test)
- (c/exec grg/binary :layout :assign (subs node-id 0 16) :-c :1G))))
+ [test nodes]
+ (info "configure-present!" nodes)
+ (let [node-ids (c/on-many nodes (c/exec grg/binary :node :id :-q))
+ node-id-strs (map (fn [[_ v]] (subs v 0 16)) node-ids)]
+ (c/on
+ (jepsen/primary test)
+ (apply c/exec (concat [grg/binary :layout :assign :-c :1G] node-id-strs)))))
(defn configure-absent!
- "Configure node to be active in new cluster layout"
- [test node]
- (info "configure-absent!" node)
- (let [node-id (c/on node (c/exec grg/binary :node :id :-q))]
- (c/on
- (jepsen/primary test)
- (c/exec grg/binary :layout :assign (subs node-id 0 16) :-g))))
+ "Configure nodes to be active in new cluster layout"
+ [test nodes]
+ (info "configure-absent!" nodes)
+ (let [node-ids (c/on-many nodes (c/exec grg/binary :node :id :-q))
+ node-id-strs (map (fn [[_ v]] (subs v 0 16)) node-ids)]
+ (c/on
+ (jepsen/primary test)
+ (apply c/exec (concat [grg/binary :layout :assign :-g] node-id-strs)))))
(defn finalize-config!
"Apply the proposed cluster layout"
@@ -53,14 +56,14 @@
shuffle
(split-at cnt))]
(info "layout split: keep " keep-nodes ", remove " remove-nodes)
- (run! #(configure-present! test %) keep-nodes)
- (run! #(configure-absent! test %) remove-nodes)
+ (configure-present! test keep-nodes)
+ (configure-absent! test remove-nodes)
(finalize-config! test)
(assoc op :value keep-nodes))
:stop
(do
(info "layout un-split: all nodes=" (:nodes test))
- (run! #(configure-present! test %) (:nodes test))
+ (configure-present! test (:nodes test))
(finalize-config! test)
(assoc op :value (:nodes test)))))
@@ -73,70 +76,58 @@
[op]
(fn [_ _] {:type :info, :f op}))
-(defn scenario-c
- "Clock scramble scenario"
+(defn reconfiguration-package
+ "Cluster reconfiguration nemesis package"
[opts]
{:generator (->>
- (nemesis-op :clock-scramble)
- (gen/stagger 5))
+ (gen/mix [(nemesis-op :reconfigure-start)
+ (nemesis-op :reconfigure-stop)])
+ (gen/stagger (:interval opts 5)))
+ :final-generator {:type :info, :f :reconfigure-stop}
:nemesis (nemesis/compose
- {{:clock-scramble :scramble} (nemesis/clock-scrambler 20.0)})})
+ {{:reconfigure-start :start
+ :reconfigure-stop :stop} (reconfigure-subset 3)})
+ :perf #{{:name "reconfigure"
+ :start #{:reconfigure-start}
+ :stop #{:reconfigur-stop}
+ :color "#A197E9"}}})
+
+(defn scenario-c
+ "Clock modifying scenario"
+ [opts]
+ (combined/clock-package {:db (:db opts), :interval 1, :faults #{:clock}}))
(defn scenario-cp
- "Clock scramble + partition scenario"
+ "Clock modifying + partition scenario"
[opts]
- {:generator (->>
- (gen/mix [(nemesis-op :clock-scramble)
- (nemesis-op :partition-stop)
- (nemesis-op :partition-start)])
- (gen/stagger 5))
- :final-generator (gen/once {:type :info, :f :partition-stop})
- :nemesis (nemesis/compose
- {{:clock-scramble :scramble} (nemesis/clock-scrambler 20.0)
- {:partition-start :start
- :partition-stop :stop} (nemesis/partition-random-halves)})})
+ (combined/compose-packages
+ [(combined/clock-package {:db (:db opts), :interval 1, :faults #{:clock}})
+ (combined/partition-package {:db (:db opts), :interval 1, :faults #{:partition}})]))
(defn scenario-r
"Cluster reconfiguration scenario"
[opts]
- {:generator (->>
- (gen/mix [(nemesis-op :reconfigure-start)
- (nemesis-op :reconfigure-stop)])
- (gen/stagger 5))
- :nemesis (nemesis/compose
- {{:reconfigure-start :start
- :reconfigure-stop :stop} (reconfigure-subset 3)})})
+ (reconfiguration-package {:interval 1}))
(defn scenario-pr
"Partition + cluster reconfiguration scenario"
[opts]
- {:generator (->>
- (gen/mix [(nemesis-op :partition-start)
- (nemesis-op :partition-stop)
- (nemesis-op :reconfigure-start)
- (nemesis-op :reconfigure-stop)])
- (gen/stagger 5))
- :final-generator (gen/once {:type :info, :f :partition-stop})
- :nemesis (nemesis/compose
- {{:partition-start :start
- :partition-stop :stop} (nemesis/partition-random-halves)
- {:reconfigure-start :start
- :reconfigure-stop :stop} (reconfigure-subset 3)})})
+ (combined/compose-packages
+ [(combined/partition-package {:db (:db opts), :interval 1, :faults #{:partition}})
+ (reconfiguration-package {:interval 1})]))
(defn scenario-cpr
"Clock scramble + partition + cluster reconfiguration scenario"
[opts]
- {:generator (->>
- (gen/mix [(nemesis-op :clock-scramble)
- (nemesis-op :partition-start)
- (nemesis-op :partition-stop)
- (nemesis-op :reconfigure-start)
- (nemesis-op :reconfigure-stop)])
- (gen/stagger 5))
- :final-generator (gen/once {:type :info, :f :partition-stop})
- :nemesis (nemesis/compose
- {{:clock-scramble :scramble} (nemesis/clock-scrambler 20.0)
- {:partition-start :start
- :partition-stop :stop} (nemesis/partition-random-halves)
- {:reconfigure-start :start
- :reconfigure-stop :stop} (reconfigure-subset 3)})})
+ (combined/compose-packages
+ [(combined/clock-package {:db (:db opts), :interval 1, :faults #{:clock}})
+ (combined/partition-package {:db (:db opts), :interval 1, :faults #{:partition}})
+ (reconfiguration-package {:interval 1})]))
+
+(defn scenario-dpr
+ "Db + partition + cluster reconfiguration scenario"
+ [opts]
+ (combined/compose-packages
+ [(combined/db-package {:db (:db opts), :interval 1, :faults #{:db :pause :kill}})
+ (combined/partition-package {:db (:db opts), :interval 1, :faults #{:partition}})
+ (reconfiguration-package {:interval 1})]))