98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
package main
|
|
|
|
import (
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/docker/docker/pkg/integration/checker"
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
// ensure that an added file shows up in docker diff
|
|
func (s *DockerSuite) TestDiffFilenameShownInOutput(c *check.C) {
|
|
containerCmd := `mkdir /foo; echo xyzzy > /foo/bar`
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd)
|
|
|
|
// Wait for it to exit as cannot diff a running container on Windows, and
|
|
// it will take a few seconds to exit. Also there's no way in Windows to
|
|
// differentiate between an Add or a Modify, and all files are under
|
|
// a "Files/" prefix.
|
|
containerID := strings.TrimSpace(out)
|
|
lookingFor := "A /foo/bar"
|
|
if daemonPlatform == "windows" {
|
|
err := waitExited(containerID, 60*time.Second)
|
|
c.Assert(err, check.IsNil)
|
|
lookingFor = "C Files/foo/bar"
|
|
}
|
|
|
|
cleanCID := strings.TrimSpace(out)
|
|
out, _ = dockerCmd(c, "diff", cleanCID)
|
|
|
|
found := false
|
|
for _, line := range strings.Split(out, "\n") {
|
|
if strings.Contains(line, lookingFor) {
|
|
found = true
|
|
break
|
|
}
|
|
}
|
|
c.Assert(found, checker.True)
|
|
}
|
|
|
|
// test to ensure GH #3840 doesn't occur any more
|
|
func (s *DockerSuite) TestDiffEnsureInitLayerFilesAreIgnored(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
// this is a list of files which shouldn't show up in `docker diff`
|
|
initLayerFiles := []string{"/etc/resolv.conf", "/etc/hostname", "/etc/hosts", "/.dockerenv"}
|
|
containerCount := 5
|
|
|
|
// we might not run into this problem from the first run, so start a few containers
|
|
for i := 0; i < containerCount; i++ {
|
|
containerCmd := `echo foo > /root/bar`
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd)
|
|
|
|
cleanCID := strings.TrimSpace(out)
|
|
out, _ = dockerCmd(c, "diff", cleanCID)
|
|
|
|
for _, filename := range initLayerFiles {
|
|
c.Assert(out, checker.Not(checker.Contains), filename)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *DockerSuite) TestDiffEnsureDefaultDevs(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
out, _ := dockerCmd(c, "run", "-d", "busybox", "sleep", "0")
|
|
|
|
cleanCID := strings.TrimSpace(out)
|
|
out, _ = dockerCmd(c, "diff", cleanCID)
|
|
|
|
expected := map[string]bool{
|
|
"C /dev": true,
|
|
"A /dev/full": true, // busybox
|
|
"C /dev/ptmx": true, // libcontainer
|
|
"A /dev/mqueue": true,
|
|
"A /dev/kmsg": true,
|
|
"A /dev/fd": true,
|
|
"A /dev/ptmx": true,
|
|
"A /dev/null": true,
|
|
"A /dev/random": true,
|
|
"A /dev/stdout": true,
|
|
"A /dev/stderr": true,
|
|
"A /dev/tty1": true,
|
|
"A /dev/stdin": true,
|
|
"A /dev/tty": true,
|
|
"A /dev/urandom": true,
|
|
"A /dev/zero": true,
|
|
}
|
|
|
|
for _, line := range strings.Split(out, "\n") {
|
|
c.Assert(line == "" || expected[line], checker.True, check.Commentf(line))
|
|
}
|
|
}
|
|
|
|
// https://github.com/docker/docker/pull/14381#discussion_r33859347
|
|
func (s *DockerSuite) TestDiffEmptyArgClientError(c *check.C) {
|
|
out, _, err := dockerCmdWithError("diff", "")
|
|
c.Assert(err, checker.NotNil)
|
|
c.Assert(strings.TrimSpace(out), checker.Contains, "Container name cannot be empty")
|
|
}
|