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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,179 @@ | ||
| //go:build roottest | ||
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| // Copyright (c) 2024 Canonical Ltd | ||
| // | ||
| // This program is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License version 3 as | ||
| // published by the Free Software Foundation. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
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| package daemon | ||
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| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "os/user" | ||
| "regexp" | ||
| "strconv" | ||
| "strings" | ||
| "testing" | ||
|
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| "github.com/canonical/pebble/client" | ||
| "github.com/canonical/pebble/internals/reaper" | ||
| ) | ||
|
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| var rootTestDaemon *Daemon | ||
| var rootTestPebbleClient *client.Client | ||
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| func TestMain(m *testing.M) { | ||
| err := reaper.Start() | ||
| if err != nil { | ||
| fmt.Printf("cannot start reaper: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| tmpDir, err := os.MkdirTemp("", "pebble") | ||
| if err != nil { | ||
| fmt.Printf("cannot create temporary directory: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| socketPath := tmpDir + ".pebble.socket" | ||
| rootTestDaemon, err := New(&Options{ | ||
| Dir: tmpDir, | ||
| SocketPath: socketPath, | ||
| }) | ||
| if err != nil { | ||
| fmt.Printf("cannot create daemon: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| err = rootTestDaemon.Init() | ||
| if err != nil { | ||
| fmt.Printf("cannot init daemon: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| rootTestDaemon.Start() | ||
| rootTestPebbleClient, err = client.New(&client.Config{Socket: socketPath}) | ||
| if err != nil { | ||
| fmt.Printf("cannot create client: %v", err) | ||
| os.Exit(1) | ||
| } | ||
|
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| exitCode := m.Run() | ||
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| err = rootTestDaemon.Stop(nil) | ||
| if err != nil { | ||
| fmt.Printf("cannot stop daemon: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| err = reaper.Stop() | ||
| if err != nil { | ||
| fmt.Printf("cannot stop reaper: %v", err) | ||
| os.Exit(1) | ||
| } | ||
| err = os.RemoveAll(tmpDir) | ||
| if err != nil { | ||
| log.Fatalf("cannot remove temporary directory: %v", err) | ||
| } | ||
|
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| os.Exit(exitCode) | ||
| } | ||
|
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| func TestWithRootUserGroup(t *testing.T) { | ||
| if os.Getuid() != 0 { | ||
| t.Skip("requires running as root") | ||
| } | ||
| username := os.Getenv("PEBBLE_TEST_USER") | ||
| group := os.Getenv("PEBBLE_TEST_GROUP") | ||
| if username == "" || group == "" { | ||
| t.Fatalf("must set PEBBLE_TEST_USER and PEBBLE_TEST_GROUP") | ||
| } | ||
| stdout, stderr := pebbleExec(t, "", &client.ExecOptions{ | ||
| Command: []string{"/bin/sh", "-c", "id -n -u && id -n -g"}, | ||
| User: username, | ||
| Group: group, | ||
| }) | ||
| expectedStdout := username + "\n" + group + "\n" | ||
| if stdout != expectedStdout { | ||
| t.Fatalf("pebble exec stdout error, expected: %v, got %v", expectedStdout, stdout) | ||
| } | ||
| if stderr != "" { | ||
| t.Fatalf("pebble exec stderr is not empty: %v", stderr) | ||
| } | ||
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| _, err := rootTestPebbleClient.Exec(&client.ExecOptions{ | ||
| Command: []string{"pwd"}, | ||
| Environment: map[string]string{"HOME": "/non/existent"}, | ||
| User: username, | ||
| Group: group, | ||
| }) | ||
| // c.Assert(err, ErrorMatches, `.*home directory.*does not exist`) | ||
| if matched, _ := regexp.MatchString(`.*home directory.*does not exist`, err.Error()); !matched { | ||
| t.Errorf("Error message doesn't match, expected: %v, got: %v", `.*home directory.*does not exist`, err.Error()) | ||
| } | ||
| } | ||
|
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| func TestWithRootUserIDGroupID(t *testing.T) { | ||
| if os.Getuid() != 0 { | ||
| t.Skip("requires running as root") | ||
| } | ||
| username := os.Getenv("PEBBLE_TEST_USER") | ||
| group := os.Getenv("PEBBLE_TEST_GROUP") | ||
| if username == "" || group == "" { | ||
| t.Fatalf("must set PEBBLE_TEST_USER and PEBBLE_TEST_GROUP") | ||
| } | ||
| u, err := user.Lookup(username) | ||
| if err != nil { | ||
| t.Fatalf("cannot look up username: %v", err) | ||
| } | ||
| g, err := user.LookupGroup(group) | ||
| if err != nil { | ||
| t.Fatalf("cannot look up group: %v", err) | ||
| } | ||
| uid, err := strconv.Atoi(u.Uid) | ||
| if err != nil { | ||
| t.Fatalf("cannot convert uid to int: %v", err) | ||
| } | ||
| gid, err := strconv.Atoi(g.Gid) | ||
| if err != nil { | ||
| t.Fatalf("cannot convert gid to int: %v", err) | ||
| } | ||
| stdout, stderr := pebbleExec(t, "", &client.ExecOptions{ | ||
| Command: []string{"/bin/sh", "-c", "id -n -u && id -n -g"}, | ||
| UserID: &uid, | ||
| GroupID: &gid, | ||
| }) | ||
| expectedStdout := username + "\n" + group + "\n" | ||
| if stdout != expectedStdout { | ||
| t.Fatalf("pebble exec stdout error, expected: %v, got %v", expectedStdout, stdout) | ||
| } | ||
| if stderr != "" { | ||
| t.Fatalf("pebble exec stderr is not empty: %v", stderr) | ||
| } | ||
| } | ||
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| func pebbleExec(t *testing.T, stdin string, opts *client.ExecOptions) (stdout, stderr string) { | ||
| t.Helper() | ||
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| outBuf := &bytes.Buffer{} | ||
| errBuf := &bytes.Buffer{} | ||
| opts.Stdin = strings.NewReader(stdin) | ||
| opts.Stdout = outBuf | ||
| opts.Stderr = errBuf | ||
| process, err := rootTestPebbleClient.Exec(opts) | ||
| if err != nil { | ||
| t.Fatalf("pebble exec failed: %v", err) | ||
| } | ||
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| if waitErr := process.Wait(); waitErr != nil { | ||
| t.Fatalf("pebble exec process wait error: %v", waitErr) | ||
| } | ||
| return outBuf.String(), errBuf.String() | ||
| } |
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