fix flake on redis-sentinel by depending on redis container / step. (#1748)

* fix: flake on redis-sentinel by depending on redis container / step.

Signed-off-by: Manu Gupta <manugupt1@gmail.com>

* Add retries in an attempt to reduce the number of flakes

Also; update go-redis.

Co-authored-by: Aaron Schlesinger <70865+arschles@users.noreply.github.com>

.drone.yml

@@ -69,6 +69,9 @@ steps:
   volumes:
   - name: cache
     path: /go
+  depends_on:
+    - redis
+    - redis-sentinel
 
 - name: docker-latest
   image: plugins/docker
@@ -169,6 +172,8 @@ services:
     REDIS_SENTINEL_QUORUM: "1"
   ports:
     - 26379
+  depends_on:
+    - redis
 - name: protectedredis
   image: redis
   ports:

docker-compose.yml

@@ -90,6 +90,8 @@ services:
       - REDIS_SENTINEL_QUORUM=1
     ports:
       - 26379:26379
+    depends_on:
+      - "redis"
   protectedredis:
     image: redis
     ports:

go.mod

@@ -18,7 +18,7 @@ require (
 	github.com/fatih/color v1.7.0
 	github.com/go-playground/locales v0.12.1 // indirect
 	github.com/go-playground/universal-translator v0.16.0 // indirect
-	github.com/go-redis/redis/v7 v7.2.0
+	github.com/go-redis/redis/v7 v7.4.1
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gobuffalo/envy v1.7.0
 	github.com/gobuffalo/httptest v1.0.4

go.sum

@@ -117,6 +117,8 @@ github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEK
 github.com/go-redis/redis/v7 v7.0.0-beta.4/go.mod h1:xhhSbUMTsleRPur+Vgx9sUHtyN33bdjxY+9/0n9Ig8s=
 github.com/go-redis/redis/v7 v7.2.0 h1:CrCexy/jYWZjW0AyVoHlcJUeZN19VWlbepTh1Vq6dJs=
 github.com/go-redis/redis/v7 v7.2.0/go.mod h1:JDNMw23GTyLNC4GZu9njt15ctBQVn7xjRfnwdHj/Dcg=
+github.com/go-redis/redis/v7 v7.4.1 h1:PASvf36gyUpr2zdOUS/9Zqc80GbM+9BDyiJSJDDOrTI=
+github.com/go-redis/redis/v7 v7.4.1/go.mod h1:JDNMw23GTyLNC4GZu9njt15ctBQVn7xjRfnwdHj/Dcg=
 github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
 github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=

pkg/stash/with_redis_sentinel_test.go

@@ -26,9 +26,20 @@ func TestWithRedisSentinelLock(t *testing.T) {
 		t.Fatal(err)
 	}
 	ms := &mockRedisStasher{strg: strg}
-	wrapper, err := WithRedisSentinelLock([]string{endpoint}, masterName, password, storage.WithChecker(strg))
+
+	// retries because of flaky test on drone.
+	var wrapper Wrapper
+	for i := 1; i <= 3; i++ {
+		wrapper, err = WithRedisSentinelLock([]string{endpoint}, masterName, password, storage.WithChecker(strg))
+		if err != nil {
+			t.Logf("Retried %d time because we got error: %s", i, err.Error())
+		}
+		time.Sleep(1 * time.Second)
+	}
+
 	if err != nil {
-		t.Fatal(err)
+		t.Fatalf("Please file an issue at https://github.com/gomods/athens/issues as the "+
+			"test flake is not fixed.  The error that occured was: %s", err)
 	}
 	s := wrapper(ms)