Merge branch 'master' into ip-forwarding

- Merges aleksej-paschenko's with HEAD
- Adds vfs2 support for ip_forward

3 files changed, 182 insertions, 0 deletions

diff --git a/test/benchmarks/database/BUILD b/test/benchmarks/database/BUILD
new file mode 100644
index 000000000..93b380e8a
--- /dev/null
+++ b/test/benchmarks/database/BUILD
@@ -0,0 +1,28 @@
+load("//tools:defs.bzl", "go_library", "go_test")
+
+package(licenses = ["notice"])
+
+go_library(
+    name = "database",
+    testonly = 1,
+    srcs = ["database.go"],
+    deps = ["//test/benchmarks/harness"],
+)
+
+go_test(
+    name = "database_test",
+    size = "enormous",
+    srcs = ["redis_test.go"],
+    library = ":database",
+    tags = [
+        # Requires docker and runsc to be configured before test runs.
+        "manual",
+        "local",
+    ],
+    visibility = ["//:sandbox"],
+    deps = [
+        "//pkg/test/dockerutil",
+        "//test/benchmarks/harness",
+        "//test/benchmarks/tools",
+    ],
+)
diff --git a/test/benchmarks/database/database.go b/test/benchmarks/database/database.go
new file mode 100644
index 000000000..9eeb59f9a
--- /dev/null
+++ b/test/benchmarks/database/database.go
@@ -0,0 +1,31 @@
+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package database holds benchmarks around database applications.
+package database
+
+import (
+	"os"
+	"testing"
+
+	"gvisor.dev/gvisor/test/benchmarks/harness"
+)
+
+var h harness.Harness
+
+// TestMain is the main method for package database.
+func TestMain(m *testing.M) {
+	h.Init()
+	os.Exit(m.Run())
+}
diff --git a/test/benchmarks/database/redis_test.go b/test/benchmarks/database/redis_test.go
new file mode 100644
index 000000000..394fce820
--- /dev/null
+++ b/test/benchmarks/database/redis_test.go
@@ -0,0 +1,123 @@
+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package database
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"gvisor.dev/gvisor/pkg/test/dockerutil"
+	"gvisor.dev/gvisor/test/benchmarks/harness"
+	"gvisor.dev/gvisor/test/benchmarks/tools"
+)
+
+// All possible operations from redis. Note: "ping" will
+// run both PING_INLINE and PING_BUILD.
+var operations []string = []string{
+	"PING_INLINE",
+	"PING_BULK",
+	"SET",
+	"GET",
+	"INCR",
+	"LPUSH",
+	"RPUSH",
+	"LPOP",
+	"RPOP",
+	"SADD",
+	"HSET",
+	"SPOP",
+	"LRANGE_100",
+	"LRANGE_300",
+	"LRANGE_500",
+	"LRANGE_600",
+	"MSET",
+}
+
+// BenchmarkRedis runs redis-benchmark against a redis instance and reports
+// data in queries per second. Each is reported by named operation (e.g. LPUSH).
+func BenchmarkRedis(b *testing.B) {
+	clientMachine, err := h.GetMachine()
+	if err != nil {
+		b.Fatalf("failed to get machine: %v", err)
+	}
+	defer clientMachine.CleanUp()
+
+	serverMachine, err := h.GetMachine()
+	if err != nil {
+		b.Fatalf("failed to get machine: %v", err)
+	}
+	defer serverMachine.CleanUp()
+
+	// Redis runs on port 6379 by default.
+	port := 6379
+	ctx := context.Background()
+
+	for _, operation := range operations {
+		b.Run(operation, func(b *testing.B) {
+			server := serverMachine.GetContainer(ctx, b)
+			defer server.CleanUp(ctx)
+
+			// The redis docker container takes no arguments to run a redis server.
+			if err := server.Spawn(ctx, dockerutil.RunOpts{
+				Image: "benchmarks/redis",
+				Ports: []int{port},
+			}); err != nil {
+				b.Fatalf("failed to start redis server with: %v", err)
+			}
+
+			if out, err := server.WaitForOutput(ctx, "Ready to accept connections", 3*time.Second); err != nil {
+				b.Fatalf("failed to start redis server: %v %s", err, out)
+			}
+
+			ip, err := serverMachine.IPAddress()
+			if err != nil {
+				b.Fatal("failed to get IP from server: %v", err)
+			}
+
+			serverPort, err := server.FindPort(ctx, port)
+			if err != nil {
+				b.Fatal("failed to get IP from server: %v", err)
+			}
+
+			if err = harness.WaitUntilServing(ctx, clientMachine, ip, serverPort); err != nil {
+				b.Fatalf("failed to start redis with: %v", err)
+			}
+
+			redis := tools.Redis{
+				Operation: operation,
+			}
+
+			// Reset profiles and timer to begin the measurement.
+			server.RestartProfiles()
+			b.ResetTimer()
+			for i := 0; i < b.N; i++ {
+				client := clientMachine.GetNativeContainer(ctx, b)
+				defer client.CleanUp(ctx)
+				out, err := client.Run(ctx, dockerutil.RunOpts{
+					Image: "benchmarks/redis",
+				}, redis.MakeCmd(ip, serverPort)...)
+				if err != nil {
+					b.Fatalf("redis-benchmark failed with: %v", err)
+				}
+
+				// Stop time while we parse results.
+				b.StopTimer()
+				redis.Report(b, out)
+				b.StartTimer()
+			}
+		})
+	}
+}