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-rw-r--r--test/runtimes/runner/main.go205
1 files changed, 205 insertions, 0 deletions
diff --git a/test/runtimes/runner/main.go b/test/runtimes/runner/main.go
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+++ b/test/runtimes/runner/main.go
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+// Copyright 2019 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.
+
+// Binary runner runs the runtime tests in a Docker container.
+package main
+
+import (
+ "context"
+ "encoding/csv"
+ "flag"
+ "fmt"
+ "io"
+ "os"
+ "sort"
+ "strings"
+ "testing"
+ "time"
+
+ "gvisor.dev/gvisor/pkg/log"
+ "gvisor.dev/gvisor/pkg/test/dockerutil"
+ "gvisor.dev/gvisor/pkg/test/testutil"
+)
+
+var (
+ lang = flag.String("lang", "", "language runtime to test")
+ image = flag.String("image", "", "docker image with runtime tests")
+ excludeFile = flag.String("exclude_file", "", "file containing list of tests to exclude, in CSV format with fields: test name, bug id, comment")
+ batchSize = flag.Int("batch", 50, "number of test cases run in one command")
+)
+
+// Wait time for each test to run.
+const timeout = 90 * time.Minute
+
+func main() {
+ flag.Parse()
+ if *lang == "" || *image == "" {
+ fmt.Fprintf(os.Stderr, "lang and image flags must not be empty\n")
+ os.Exit(1)
+ }
+ os.Exit(runTests())
+}
+
+// runTests is a helper that is called by main. It exists so that we can run
+// defered functions before exiting. It returns an exit code that should be
+// passed to os.Exit.
+func runTests() int {
+ // Get tests to exclude..
+ excludes, err := getExcludes()
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "Error getting exclude list: %s\n", err.Error())
+ return 1
+ }
+
+ // Construct the shared docker instance.
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, testutil.DefaultLogger(*lang))
+ defer d.CleanUp(ctx)
+
+ if err := testutil.TouchShardStatusFile(); err != nil {
+ fmt.Fprintf(os.Stderr, "error touching status shard file: %v\n", err)
+ return 1
+ }
+
+ // Get a slice of tests to run. This will also start a single Docker
+ // container that will be used to run each test. The final test will
+ // stop the Docker container.
+ tests, err := getTests(ctx, d, excludes)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "%s\n", err.Error())
+ return 1
+ }
+
+ m := testing.MainStart(testDeps{}, tests, nil, nil)
+ return m.Run()
+}
+
+// getTests executes all tests as table tests.
+func getTests(ctx context.Context, d *dockerutil.Container, excludes map[string]struct{}) ([]testing.InternalTest, error) {
+ // Start the container.
+ opts := dockerutil.RunOpts{
+ Image: fmt.Sprintf("runtimes/%s", *image),
+ }
+ d.CopyFiles(&opts, "/proctor", "test/runtimes/proctor/proctor")
+ if err := d.Spawn(ctx, opts, "/proctor/proctor", "--pause"); err != nil {
+ return nil, fmt.Errorf("docker run failed: %v", err)
+ }
+
+ // Get a list of all tests in the image.
+ list, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/proctor/proctor", "--runtime", *lang, "--list")
+ if err != nil {
+ return nil, fmt.Errorf("docker exec failed: %v", err)
+ }
+
+ // Calculate a subset of tests to run corresponding to the current
+ // shard.
+ tests := strings.Fields(list)
+ sort.Strings(tests)
+ indices, err := testutil.TestIndicesForShard(len(tests))
+ if err != nil {
+ return nil, fmt.Errorf("TestsForShard() failed: %v", err)
+ }
+
+ var itests []testing.InternalTest
+ for i := 0; i < len(indices); i += *batchSize {
+ var tcs []string
+ end := i + *batchSize
+ if end > len(indices) {
+ end = len(indices)
+ }
+ for _, tc := range indices[i:end] {
+ // Add test if not excluded.
+ if _, ok := excludes[tests[tc]]; ok {
+ log.Infof("Skipping test case %s\n", tests[tc])
+ continue
+ }
+ tcs = append(tcs, tests[tc])
+ }
+ itests = append(itests, testing.InternalTest{
+ Name: strings.Join(tcs, ", "),
+ F: func(t *testing.T) {
+ var (
+ now = time.Now()
+ done = make(chan struct{})
+ output string
+ err error
+ )
+
+ go func() {
+ fmt.Printf("RUNNING the following in a batch\n%s\n", strings.Join(tcs, "\n"))
+ output, err = d.Exec(ctx, dockerutil.ExecOpts{}, "/proctor/proctor", "--runtime", *lang, "--tests", strings.Join(tcs, ","))
+ close(done)
+ }()
+
+ select {
+ case <-done:
+ if err == nil {
+ fmt.Printf("PASS: (%v)\n\n", time.Since(now))
+ return
+ }
+ t.Errorf("FAIL: (%v):\n%s\n", time.Since(now), output)
+ case <-time.After(timeout):
+ t.Errorf("TIMEOUT: (%v):\n%s\n", time.Since(now), output)
+ }
+ },
+ })
+ }
+
+ return itests, nil
+}
+
+// getBlacklist reads the exclude file and returns a set of test names to
+// exclude.
+func getExcludes() (map[string]struct{}, error) {
+ excludes := make(map[string]struct{})
+ if *excludeFile == "" {
+ return excludes, nil
+ }
+ f, err := os.Open(*excludeFile)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ r := csv.NewReader(f)
+
+ // First line is header. Skip it.
+ if _, err := r.Read(); err != nil {
+ return nil, err
+ }
+
+ for {
+ record, err := r.Read()
+ if err == io.EOF {
+ break
+ }
+ if err != nil {
+ return nil, err
+ }
+ excludes[record[0]] = struct{}{}
+ }
+ return excludes, nil
+}
+
+// testDeps implements testing.testDeps (an unexported interface), and is
+// required to use testing.MainStart.
+type testDeps struct{}
+
+func (f testDeps) MatchString(a, b string) (bool, error) { return a == b, nil }
+func (f testDeps) StartCPUProfile(io.Writer) error { return nil }
+func (f testDeps) StopCPUProfile() {}
+func (f testDeps) WriteProfileTo(string, io.Writer, int) error { return nil }
+func (f testDeps) ImportPath() string { return "" }
+func (f testDeps) StartTestLog(io.Writer) {}
+func (f testDeps) StopTestLog() error { return nil }