1 // Copyright (C) The Arvados Authors. All rights reserved.
3 // SPDX-License-Identifier: AGPL-3.0
17 "git.arvados.org/arvados.git/sdk/go/arvados"
18 "golang.org/x/net/context"
22 func busyboxDockerImage(c *C) string {
23 fnm := "busybox_uclibc.tar"
25 cachefile := cachedir + "/" + fnm
26 if _, err := os.Stat(cachefile); err == nil {
30 f, err := ioutil.TempFile(cachedir, "")
33 defer os.Remove(f.Name())
35 resp, err := http.Get("https://cache.arvados.org/" + fnm)
37 defer resp.Body.Close()
38 _, err = io.Copy(f, resp.Body)
42 err = os.Rename(f.Name(), cachefile)
48 type nopWriteCloser struct{ io.Writer }
50 func (nopWriteCloser) Close() error { return nil }
52 // embedded by dockerSuite and singularitySuite so they can share
54 type executorSuite struct {
55 newExecutor func(*C) // embedding struct's SetUpSuite method must set this
56 executor containerExecutor
62 func (s *executorSuite) SetUpTest(c *C) {
64 s.stdout = bytes.Buffer{}
65 s.stderr = bytes.Buffer{}
66 s.spec = containerSpec{
67 Image: "busybox:uclibc",
70 Env: map[string]string{"PATH": "/bin:/usr/bin"},
71 NetworkMode: "default",
72 Stdout: nopWriteCloser{&s.stdout},
73 Stderr: nopWriteCloser{&s.stderr},
75 err := s.executor.LoadImage("", busyboxDockerImage(c), arvados.Container{}, "", nil)
79 func (s *executorSuite) TearDownTest(c *C) {
83 func (s *executorSuite) TestExecTrivialContainer(c *C) {
84 s.spec.Command = []string{"echo", "ok"}
86 c.Check(s.stdout.String(), Equals, "ok\n")
87 c.Check(s.stderr.String(), Equals, "")
90 func (s *executorSuite) TestExitStatus(c *C) {
91 s.spec.Command = []string{"false"}
95 func (s *executorSuite) TestSignalExitStatus(c *C) {
96 if _, isdocker := s.executor.(*dockerExecutor); isdocker {
97 // It's not quite this easy to make busybox kill
98 // itself in docker where it's pid 1.
99 c.Skip("kill -9 $$ doesn't work on busybox with pid=1 in docker")
102 s.spec.Command = []string{"sh", "-c", "kill -9 $$"}
103 s.checkRun(c, 0x80+9)
106 func (s *executorSuite) TestExecStop(c *C) {
107 s.spec.Command = []string{"sh", "-c", "sleep 10; echo ok"}
108 err := s.executor.Create(s.spec)
110 err = s.executor.Start()
113 time.Sleep(time.Second / 10)
116 ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(10*time.Second))
118 code, err := s.executor.Wait(ctx)
119 c.Check(code, Not(Equals), 0)
121 c.Check(s.stdout.String(), Equals, "")
122 c.Check(s.stderr.String(), Equals, "")
125 func (s *executorSuite) TestExecCleanEnv(c *C) {
126 s.spec.Command = []string{"env"}
128 c.Check(s.stderr.String(), Equals, "")
129 got := map[string]string{}
130 for _, kv := range strings.Split(s.stdout.String(), "\n") {
134 kv := strings.SplitN(kv, "=", 2)
136 case "HOSTNAME", "HOME":
137 // docker sets these by itself
138 case "LD_LIBRARY_PATH", "SINGULARITY_NAME", "PWD", "LANG", "SHLVL", "SINGULARITY_INIT", "SINGULARITY_CONTAINER":
139 // singularity sets these by itself (cf. https://sylabs.io/guides/3.5/user-guide/environment_and_metadata.html)
140 case "SINGULARITY_APPNAME":
141 // singularity also sets this by itself (v3.5.2, but not v3.7.4)
142 case "PROMPT_COMMAND", "PS1", "SINGULARITY_BIND", "SINGULARITY_COMMAND", "SINGULARITY_ENVIRONMENT":
143 // singularity also sets these by itself (v3.7.4)
148 c.Check(got, DeepEquals, s.spec.Env)
150 func (s *executorSuite) TestExecEnableNetwork(c *C) {
151 for _, enable := range []bool{false, true} {
153 s.spec.Command = []string{"ip", "route"}
154 s.spec.EnableNetwork = enable
157 c.Check(s.stdout.String(), Matches, "(?ms).*default via.*")
159 c.Check(s.stdout.String(), Equals, "")
164 func (s *executorSuite) TestExecWorkingDir(c *C) {
165 s.spec.WorkingDir = "/tmp"
166 s.spec.Command = []string{"sh", "-c", "pwd"}
168 c.Check(s.stdout.String(), Equals, "/tmp\n")
171 func (s *executorSuite) TestExecStdoutStderr(c *C) {
172 s.spec.Command = []string{"sh", "-c", "echo foo; echo -n bar >&2; echo baz; echo waz >&2"}
174 c.Check(s.stdout.String(), Equals, "foo\nbaz\n")
175 c.Check(s.stderr.String(), Equals, "barwaz\n")
178 func (s *executorSuite) TestIPAddress(c *C) {
179 s.spec.Command = []string{"nc", "-l", "-p", "1951", "-e", "printf", `HTTP/1.1 418 I'm a teapot\r\n\r\n`}
180 s.spec.EnableNetwork = true
181 c.Assert(s.executor.Create(s.spec), IsNil)
182 c.Assert(s.executor.Start(), IsNil)
183 starttime := time.Now()
185 ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(2*time.Second))
188 for ctx.Err() == nil {
189 time.Sleep(time.Second / 10)
190 _, err := s.executor.IPAddress()
195 ip, err := s.executor.IPAddress()
196 if c.Check(err, IsNil) && c.Check(ip, Not(Equals), "") {
197 req, err := http.NewRequest("BREW", "http://"+net.JoinHostPort(ip, "1951"), nil)
199 resp, err := http.DefaultClient.Do(req)
201 c.Check(resp.StatusCode, Equals, http.StatusTeapot)
205 code, _ := s.executor.Wait(ctx)
206 c.Logf("container ran for %v", time.Now().Sub(starttime))
207 c.Check(code, Equals, -1)
210 func (s *executorSuite) TestInject(c *C) {
211 s.spec.Command = []string{"sleep", "10"}
212 c.Assert(s.executor.Create(s.spec), IsNil)
213 c.Assert(s.executor.Start(), IsNil)
214 starttime := time.Now()
216 ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(2*time.Second))
219 injectcmd := []string{"cat", "/proc/1/cmdline"}
220 cmd, err := s.executor.InjectCommand(ctx, "", "root", false, injectcmd)
222 out, err := cmd.CombinedOutput()
223 c.Logf("inject %s => %q", injectcmd, out)
225 c.Check(string(out), Equals, "sleep\00010\000")
228 code, _ := s.executor.Wait(ctx)
229 c.Logf("container ran for %v", time.Now().Sub(starttime))
230 c.Check(code, Equals, -1)
233 func (s *executorSuite) checkRun(c *C, expectCode int) {
234 c.Assert(s.executor.Create(s.spec), IsNil)
235 c.Assert(s.executor.Start(), IsNil)
236 ctx, cancel := context.WithDeadline(context.Background(), time.Now().Add(10*time.Second))
238 code, err := s.executor.Wait(ctx)
240 c.Check(code, Equals, expectCode)