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Diffstat (limited to 'test/image/image_test.go')
-rw-r--r-- | test/image/image_test.go | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/test/image/image_test.go b/test/image/image_test.go new file mode 100644 index 000000000..d0dcb1861 --- /dev/null +++ b/test/image/image_test.go @@ -0,0 +1,353 @@ +// Copyright 2018 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 image provides end-to-end image tests for runsc. + +// Each test calls docker commands to start up a container, and tests that it +// is behaving properly, like connecting to a port or looking at the output. +// The container is killed and deleted at the end. +// +// Setup instruction in test/README.md. +package image + +import ( + "flag" + "fmt" + "io/ioutil" + "log" + "net/http" + "os" + "path/filepath" + "strings" + "testing" + "time" + + "gvisor.dev/gvisor/runsc/dockerutil" + "gvisor.dev/gvisor/runsc/testutil" +) + +func TestHelloWorld(t *testing.T) { + d := dockerutil.MakeDocker("hello-test") + if err := d.Run("hello-world"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + if _, err := d.WaitForOutput("Hello from Docker!", 5*time.Second); err != nil { + t.Fatalf("docker didn't say hello: %v", err) + } +} + +func runHTTPRequest(port int) error { + url := fmt.Sprintf("http://localhost:%d/not-found", port) + resp, err := http.Get(url) + if err != nil { + return fmt.Errorf("error reaching http server: %v", err) + } + if want := http.StatusNotFound; resp.StatusCode != want { + return fmt.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want) + } + + url = fmt.Sprintf("http://localhost:%d/latin10k.txt", port) + resp, err = http.Get(url) + if err != nil { + return fmt.Errorf("Error reaching http server: %v", err) + } + if want := http.StatusOK; resp.StatusCode != want { + return fmt.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want) + } + + body, err := ioutil.ReadAll(resp.Body) + if err != nil { + return fmt.Errorf("Error reading http response: %v", err) + } + defer resp.Body.Close() + + // READALL is the last word in the file. Ensures everything was read. + if want := "READALL"; strings.HasSuffix(string(body), want) { + return fmt.Errorf("response doesn't contain %q, resp: %q", want, body) + } + return nil +} + +func testHTTPServer(t *testing.T, port int) { + const requests = 10 + ch := make(chan error, requests) + for i := 0; i < requests; i++ { + go func() { + start := time.Now() + err := runHTTPRequest(port) + log.Printf("Response time %v: %v", time.Since(start).String(), err) + ch <- err + }() + } + + for i := 0; i < requests; i++ { + err := <-ch + if err != nil { + t.Errorf("testHTTPServer(%d) failed: %v", port, err) + } + } +} + +func TestHttpd(t *testing.T) { + if err := dockerutil.Pull("httpd"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("http-test") + + dir, err := dockerutil.PrepareFiles("latin10k.txt") + if err != nil { + t.Fatalf("PrepareFiles() failed: %v", err) + } + + // Start the container. + mountArg := dockerutil.MountArg(dir, "/usr/local/apache2/htdocs", dockerutil.ReadOnly) + if err := d.Run("-p", "80", mountArg, "httpd"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Find where port 80 is mapped to. + port, err := d.FindPort(80) + if err != nil { + t.Fatalf("docker.FindPort(80) failed: %v", err) + } + + // Wait until it's up and running. + if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil { + t.Errorf("WaitForHTTP() timeout: %v", err) + } + + testHTTPServer(t, port) +} + +func TestNginx(t *testing.T) { + if err := dockerutil.Pull("nginx"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("net-test") + + dir, err := dockerutil.PrepareFiles("latin10k.txt") + if err != nil { + t.Fatalf("PrepareFiles() failed: %v", err) + } + + // Start the container. + mountArg := dockerutil.MountArg(dir, "/usr/share/nginx/html", dockerutil.ReadOnly) + if err := d.Run("-p", "80", mountArg, "nginx"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Find where port 80 is mapped to. + port, err := d.FindPort(80) + if err != nil { + t.Fatalf("docker.FindPort(80) failed: %v", err) + } + + // Wait until it's up and running. + if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil { + t.Errorf("WaitForHTTP() timeout: %v", err) + } + + testHTTPServer(t, port) +} + +func TestMysql(t *testing.T) { + if err := dockerutil.Pull("mysql"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("mysql-test") + + // Start the container. + if err := d.Run("-e", "MYSQL_ROOT_PASSWORD=foobar123", "mysql"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Wait until it's up and running. + if _, err := d.WaitForOutput("port: 3306 MySQL Community Server", 3*time.Minute); err != nil { + t.Fatalf("docker.WaitForOutput() timeout: %v", err) + } + + client := dockerutil.MakeDocker("mysql-client-test") + dir, err := dockerutil.PrepareFiles("mysql.sql") + if err != nil { + t.Fatalf("PrepareFiles() failed: %v", err) + } + + // Tell mysql client to connect to the server and execute the file in verbose + // mode to verify the output. + args := []string{ + dockerutil.LinkArg(&d, "mysql"), + dockerutil.MountArg(dir, "/sql", dockerutil.ReadWrite), + "mysql", + "mysql", "-hmysql", "-uroot", "-pfoobar123", "-v", "-e", "source /sql/mysql.sql", + } + if err := client.Run(args...); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer client.CleanUp() + + // Ensure file executed to the end and shutdown mysql. + if _, err := client.WaitForOutput("--------------\nshutdown\n--------------", 15*time.Second); err != nil { + t.Fatalf("docker.WaitForOutput() timeout: %v", err) + } + if _, err := d.WaitForOutput("mysqld: Shutdown complete", 30*time.Second); err != nil { + t.Fatalf("docker.WaitForOutput() timeout: %v", err) + } +} + +func TestPythonHello(t *testing.T) { + // TODO(b/136503277): Once we have more complete python runtime tests, + // we can drop this one. + const img = "gcr.io/gvisor-presubmit/python-hello" + if err := dockerutil.Pull(img); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("python-hello-test") + if err := d.Run("-p", "8080", img); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Find where port 8080 is mapped to. + port, err := d.FindPort(8080) + if err != nil { + t.Fatalf("docker.FindPort(8080) failed: %v", err) + } + + // Wait until it's up and running. + if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil { + t.Fatalf("WaitForHTTP() timeout: %v", err) + } + + // Ensure that content is being served. + url := fmt.Sprintf("http://localhost:%d", port) + resp, err := http.Get(url) + if err != nil { + t.Errorf("Error reaching http server: %v", err) + } + if want := http.StatusOK; resp.StatusCode != want { + t.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want) + } +} + +func TestTomcat(t *testing.T) { + if err := dockerutil.Pull("tomcat:8.0"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("tomcat-test") + if err := d.Run("-p", "8080", "tomcat:8.0"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Find where port 8080 is mapped to. + port, err := d.FindPort(8080) + if err != nil { + t.Fatalf("docker.FindPort(8080) failed: %v", err) + } + + // Wait until it's up and running. + if err := testutil.WaitForHTTP(port, 30*time.Second); err != nil { + t.Fatalf("WaitForHTTP() timeout: %v", err) + } + + // Ensure that content is being served. + url := fmt.Sprintf("http://localhost:%d", port) + resp, err := http.Get(url) + if err != nil { + t.Errorf("Error reaching http server: %v", err) + } + if want := http.StatusOK; resp.StatusCode != want { + t.Errorf("Wrong response code, got: %d, want: %d", resp.StatusCode, want) + } +} + +func TestRuby(t *testing.T) { + if err := dockerutil.Pull("ruby"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("ruby-test") + + dir, err := dockerutil.PrepareFiles("ruby.rb", "ruby.sh") + if err != nil { + t.Fatalf("PrepareFiles() failed: %v", err) + } + if err := os.Chmod(filepath.Join(dir, "ruby.sh"), 0333); err != nil { + t.Fatalf("os.Chmod(%q, 0333) failed: %v", dir, err) + } + + if err := d.Run("-p", "8080", dockerutil.MountArg(dir, "/src", dockerutil.ReadOnly), "ruby", "/src/ruby.sh"); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + // Find where port 8080 is mapped to. + port, err := d.FindPort(8080) + if err != nil { + t.Fatalf("docker.FindPort(8080) failed: %v", err) + } + + // Wait until it's up and running, 'gem install' can take some time. + if err := testutil.WaitForHTTP(port, 1*time.Minute); err != nil { + t.Fatalf("WaitForHTTP() timeout: %v", err) + } + + // Ensure that content is being served. + url := fmt.Sprintf("http://localhost:%d", port) + resp, err := http.Get(url) + if err != nil { + t.Errorf("error reaching http server: %v", err) + } + if want := http.StatusOK; resp.StatusCode != want { + t.Errorf("wrong response code, got: %d, want: %d", resp.StatusCode, want) + } + body, err := ioutil.ReadAll(resp.Body) + if err != nil { + t.Fatalf("error reading body: %v", err) + } + if got, want := string(body), "Hello World"; !strings.Contains(got, want) { + t.Errorf("invalid body content, got: %q, want: %q", got, want) + } +} + +func TestStdio(t *testing.T) { + if err := dockerutil.Pull("alpine"); err != nil { + t.Fatalf("docker pull failed: %v", err) + } + d := dockerutil.MakeDocker("stdio-test") + + wantStdout := "hello stdout" + wantStderr := "bonjour stderr" + cmd := fmt.Sprintf("echo %q; echo %q 1>&2;", wantStdout, wantStderr) + if err := d.Run("alpine", "/bin/sh", "-c", cmd); err != nil { + t.Fatalf("docker run failed: %v", err) + } + defer d.CleanUp() + + for _, want := range []string{wantStdout, wantStderr} { + if _, err := d.WaitForOutput(want, 5*time.Second); err != nil { + t.Fatalf("docker didn't get output %q : %v", want, err) + } + } +} + +func TestMain(m *testing.M) { + dockerutil.EnsureSupportedDockerVersion() + flag.Parse() + os.Exit(m.Run()) +} |