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package main
import (
"strings" |
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|
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"github.com/docker/docker/pkg/integration/checker" |
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"github.com/go-check/check" |
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)
// ensure that an added file shows up in docker diff |
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func (s *DockerSuite) TestDiffFilenameShownInOutput(c *check.C) { |
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testRequires(c, DaemonIsLinux) |
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containerCmd := `echo foo > /root/bar` |
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out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd) |
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|
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cleanCID := strings.TrimSpace(out) |
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out, _ = dockerCmd(c, "diff", cleanCID) |
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found := false
for _, line := range strings.Split(out, "\n") {
if strings.Contains("A /root/bar", line) {
found = true
break
}
} |
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c.Assert(found, checker.True) |
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}
// test to ensure GH #3840 doesn't occur any more |
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func (s *DockerSuite) TestDiffEnsureDockerinitFilesAreIgnored(c *check.C) { |
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testRequires(c, DaemonIsLinux) |
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// this is a list of files which shouldn't show up in `docker diff`
dockerinitFiles := []string{"/etc/resolv.conf", "/etc/hostname", "/etc/hosts", "/.dockerinit", "/.dockerenv"} |
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containerCount := 5 |
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// we might not run into this problem from the first run, so start a few containers |
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for i := 0; i < containerCount; i++ { |
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containerCmd := `echo foo > /root/bar` |
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out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd) |
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|
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cleanCID := strings.TrimSpace(out) |
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out, _ = dockerCmd(c, "diff", cleanCID) |
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for _, filename := range dockerinitFiles { |
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c.Assert(out, checker.Not(checker.Contains), filename) |
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}
}
} |
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|
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func (s *DockerSuite) TestDiffEnsureOnlyKmsgAndPtmx(c *check.C) { |
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testRequires(c, DaemonIsLinux) |
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out, _ := dockerCmd(c, "run", "-d", "busybox", "sleep", "0") |
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|
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cleanCID := strings.TrimSpace(out) |
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out, _ = dockerCmd(c, "diff", cleanCID) |
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expected := map[string]bool{ |
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"C /dev": true,
"A /dev/full": true, // busybox
"C /dev/ptmx": true, // libcontainer |
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"A /dev/mqueue": true,
"A /dev/kmsg": true, |
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"A /dev/fd": true,
"A /dev/fuse": 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, |
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}
for _, line := range strings.Split(out, "\n") { |
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c.Assert(line == "" || expected[line], checker.True) |
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}
} |
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// https://github.com/docker/docker/pull/14381#discussion_r33859347
func (s *DockerSuite) TestDiffEmptyArgClientError(c *check.C) { |
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out, _, err := dockerCmdWithError("diff", "") |
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c.Assert(err, checker.NotNil)
c.Assert(strings.TrimSpace(out), checker.Equals, "Container name cannot be empty") |
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} |