mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
677a6b3506
Read configuration after flags making this the priority: 1- Apply configuration from file. 2- Apply configuration from flags. Reload configuration when a signal is received, USR2 in Linux: - Reload router if the debug configuration changes. - Reload daemon labels. - Reload cluster discovery. Signed-off-by: David Calavera <david.calavera@gmail.com>
296 lines
11 KiB
Go
296 lines
11 KiB
Go
package main
|
|
|
|
import (
|
|
"os"
|
|
"os/exec"
|
|
"runtime"
|
|
"strings"
|
|
"unicode"
|
|
|
|
"github.com/docker/docker/pkg/homedir"
|
|
"github.com/docker/docker/pkg/integration/checker"
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
func (s *DockerSuite) TestHelpTextVerify(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
// Make sure main help text fits within 80 chars and that
|
|
// on non-windows system we use ~ when possible (to shorten things).
|
|
// Test for HOME set to its default value and set to "/" on linux
|
|
// Yes on windows setting up an array and looping (right now) isn't
|
|
// necessary because we just have one value, but we'll need the
|
|
// array/loop on linux so we might as well set it up so that we can
|
|
// test any number of home dirs later on and all we need to do is
|
|
// modify the array - the rest of the testing infrastructure should work
|
|
homes := []string{homedir.Get()}
|
|
|
|
// Non-Windows machines need to test for this special case of $HOME
|
|
if runtime.GOOS != "windows" {
|
|
homes = append(homes, "/")
|
|
}
|
|
|
|
homeKey := homedir.Key()
|
|
baseEnvs := os.Environ()
|
|
|
|
// Remove HOME env var from list so we can add a new value later.
|
|
for i, env := range baseEnvs {
|
|
if strings.HasPrefix(env, homeKey+"=") {
|
|
baseEnvs = append(baseEnvs[:i], baseEnvs[i+1:]...)
|
|
break
|
|
}
|
|
}
|
|
|
|
for _, home := range homes {
|
|
// Dup baseEnvs and add our new HOME value
|
|
newEnvs := make([]string, len(baseEnvs)+1)
|
|
copy(newEnvs, baseEnvs)
|
|
newEnvs[len(newEnvs)-1] = homeKey + "=" + home
|
|
|
|
scanForHome := runtime.GOOS != "windows" && home != "/"
|
|
|
|
// Check main help text to make sure its not over 80 chars
|
|
helpCmd := exec.Command(dockerBinary, "help")
|
|
helpCmd.Env = newEnvs
|
|
out, _, err := runCommandWithOutput(helpCmd)
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
lines := strings.Split(out, "\n")
|
|
for _, line := range lines {
|
|
c.Assert(len(line), checker.LessOrEqualThan, 80, check.Commentf("Line is too long:\n%s", line))
|
|
|
|
// All lines should not end with a space
|
|
c.Assert(line, checker.Not(checker.HasSuffix), " ", check.Commentf("Line should not end with a space"))
|
|
|
|
if scanForHome && strings.Contains(line, `=`+home) {
|
|
c.Fatalf("Line should use '%q' instead of %q:\n%s", homedir.GetShortcutString(), home, line)
|
|
}
|
|
if runtime.GOOS != "windows" {
|
|
i := strings.Index(line, homedir.GetShortcutString())
|
|
if i >= 0 && i != len(line)-1 && line[i+1] != '/' {
|
|
c.Fatalf("Main help should not have used home shortcut:\n%s", line)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make sure each cmd's help text fits within 90 chars and that
|
|
// on non-windows system we use ~ when possible (to shorten things).
|
|
// Pull the list of commands from the "Commands:" section of docker help
|
|
helpCmd = exec.Command(dockerBinary, "help")
|
|
helpCmd.Env = newEnvs
|
|
out, _, err = runCommandWithOutput(helpCmd)
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
i := strings.Index(out, "Commands:")
|
|
c.Assert(i, checker.GreaterOrEqualThan, 0, check.Commentf("Missing 'Commands:' in:\n%s", out))
|
|
|
|
cmds := []string{}
|
|
// Grab all chars starting at "Commands:"
|
|
helpOut := strings.Split(out[i:], "\n")
|
|
// First line is just "Commands:"
|
|
if isLocalDaemon {
|
|
// Replace first line with "daemon" command since it's not part of the list of commands.
|
|
helpOut[0] = " daemon"
|
|
} else {
|
|
// Skip first line
|
|
helpOut = helpOut[1:]
|
|
}
|
|
|
|
// Create the list of commands we want to test
|
|
cmdsToTest := []string{}
|
|
for _, cmd := range helpOut {
|
|
// Stop on blank line or non-idented line
|
|
if cmd == "" || !unicode.IsSpace(rune(cmd[0])) {
|
|
break
|
|
}
|
|
|
|
// Grab just the first word of each line
|
|
cmd = strings.Split(strings.TrimSpace(cmd), " ")[0]
|
|
cmds = append(cmds, cmd) // Saving count for later
|
|
|
|
cmdsToTest = append(cmdsToTest, cmd)
|
|
}
|
|
|
|
// Add some 'two word' commands - would be nice to automatically
|
|
// calculate this list - somehow
|
|
cmdsToTest = append(cmdsToTest, "volume create")
|
|
cmdsToTest = append(cmdsToTest, "volume inspect")
|
|
cmdsToTest = append(cmdsToTest, "volume ls")
|
|
cmdsToTest = append(cmdsToTest, "volume rm")
|
|
|
|
for _, cmd := range cmdsToTest {
|
|
var stderr string
|
|
|
|
args := strings.Split(cmd+" --help", " ")
|
|
|
|
// Check the full usage text
|
|
helpCmd := exec.Command(dockerBinary, args...)
|
|
helpCmd.Env = newEnvs
|
|
out, stderr, _, err = runCommandWithStdoutStderr(helpCmd)
|
|
c.Assert(len(stderr), checker.Equals, 0, check.Commentf("Error on %q help. non-empty stderr:%q", cmd, stderr))
|
|
c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have blank line on %q\n", cmd))
|
|
c.Assert(out, checker.Contains, "--help", check.Commentf("All commands should mention '--help'. Command '%v' did not.\n", cmd))
|
|
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
|
|
// Check each line for lots of stuff
|
|
lines := strings.Split(out, "\n")
|
|
for _, line := range lines {
|
|
c.Assert(len(line), checker.LessOrEqualThan, 107, check.Commentf("Help for %q is too long:\n%s", cmd, line))
|
|
|
|
if scanForHome && strings.Contains(line, `"`+home) {
|
|
c.Fatalf("Help for %q should use ~ instead of %q on:\n%s",
|
|
cmd, home, line)
|
|
}
|
|
i := strings.Index(line, "~")
|
|
if i >= 0 && i != len(line)-1 && line[i+1] != '/' {
|
|
c.Fatalf("Help for %q should not have used ~:\n%s", cmd, line)
|
|
}
|
|
|
|
// If a line starts with 4 spaces then assume someone
|
|
// added a multi-line description for an option and we need
|
|
// to flag it
|
|
c.Assert(line, checker.Not(checker.HasPrefix), " ", check.Commentf("Help for %q should not have a multi-line option", cmd))
|
|
|
|
// Options should NOT end with a period
|
|
if strings.HasPrefix(line, " -") && strings.HasSuffix(line, ".") {
|
|
c.Fatalf("Help for %q should not end with a period: %s", cmd, line)
|
|
}
|
|
|
|
// Options should NOT end with a space
|
|
c.Assert(line, checker.Not(checker.HasSuffix), " ", check.Commentf("Help for %q should not end with a space", cmd))
|
|
|
|
}
|
|
|
|
// For each command make sure we generate an error
|
|
// if we give a bad arg
|
|
args = strings.Split(cmd+" --badArg", " ")
|
|
|
|
out, _, err = dockerCmdWithError(args...)
|
|
c.Assert(err, checker.NotNil, check.Commentf(out))
|
|
// Be really picky
|
|
c.Assert(stderr, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker rm'\n"))
|
|
|
|
// Now make sure that each command will print a short-usage
|
|
// (not a full usage - meaning no opts section) if we
|
|
// are missing a required arg or pass in a bad arg
|
|
|
|
// These commands will never print a short-usage so don't test
|
|
noShortUsage := map[string]string{
|
|
"images": "",
|
|
"login": "",
|
|
"logout": "",
|
|
"network": "",
|
|
"stats": "",
|
|
}
|
|
|
|
if _, ok := noShortUsage[cmd]; !ok {
|
|
// For each command run it w/o any args. It will either return
|
|
// valid output or print a short-usage
|
|
var dCmd *exec.Cmd
|
|
var stdout, stderr string
|
|
var args []string
|
|
|
|
// skipNoArgs are ones that we don't want to try w/o
|
|
// any args. Either because it'll hang the test or
|
|
// lead to incorrect test result (like false negative).
|
|
// Whatever the reason, skip trying to run w/o args and
|
|
// jump to trying with a bogus arg.
|
|
skipNoArgs := map[string]struct{}{
|
|
"daemon": {},
|
|
"events": {},
|
|
"load": {},
|
|
}
|
|
|
|
ec := 0
|
|
if _, ok := skipNoArgs[cmd]; !ok {
|
|
args = strings.Split(cmd, " ")
|
|
dCmd = exec.Command(dockerBinary, args...)
|
|
stdout, stderr, ec, err = runCommandWithStdoutStderr(dCmd)
|
|
}
|
|
|
|
// If its ok w/o any args then try again with an arg
|
|
if ec == 0 {
|
|
args = strings.Split(cmd+" badArg", " ")
|
|
dCmd = exec.Command(dockerBinary, args...)
|
|
stdout, stderr, ec, err = runCommandWithStdoutStderr(dCmd)
|
|
}
|
|
|
|
if len(stdout) != 0 || len(stderr) == 0 || ec == 0 || err == nil {
|
|
c.Fatalf("Bad output from %q\nstdout:%q\nstderr:%q\nec:%d\nerr:%q", args, stdout, stderr, ec, err)
|
|
}
|
|
// Should have just short usage
|
|
c.Assert(stderr, checker.Contains, "\nUsage:\t", check.Commentf("Missing short usage on %q\n", args))
|
|
// But shouldn't have full usage
|
|
c.Assert(stderr, checker.Not(checker.Contains), "--help=false", check.Commentf("Should not have full usage on %q\n", args))
|
|
c.Assert(stderr, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line on %q\n", args))
|
|
}
|
|
|
|
}
|
|
|
|
// Number of commands for standard release and experimental release
|
|
standard := 41
|
|
experimental := 1
|
|
expected := standard + experimental
|
|
if isLocalDaemon {
|
|
expected++ // for the daemon command
|
|
}
|
|
c.Assert(len(cmds), checker.LessOrEqualThan, expected, check.Commentf("Wrong # of cmds, it should be: %d\nThe list:\n%q", expected, cmds))
|
|
}
|
|
|
|
}
|
|
|
|
func (s *DockerSuite) TestHelpExitCodesHelpOutput(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
// Test to make sure the exit code and output (stdout vs stderr) of
|
|
// various good and bad cases are what we expect
|
|
|
|
// docker : stdout=all, stderr=empty, rc=0
|
|
out, _, err := dockerCmdWithError()
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
// Be really pick
|
|
c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker'\n"))
|
|
|
|
// docker help: stdout=all, stderr=empty, rc=0
|
|
out, _, err = dockerCmdWithError("help")
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
// Be really pick
|
|
c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker help'\n"))
|
|
|
|
// docker --help: stdout=all, stderr=empty, rc=0
|
|
out, _, err = dockerCmdWithError("--help")
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
// Be really pick
|
|
c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker --help'\n"))
|
|
|
|
// docker inspect busybox: stdout=all, stderr=empty, rc=0
|
|
// Just making sure stderr is empty on valid cmd
|
|
out, _, err = dockerCmdWithError("inspect", "busybox")
|
|
c.Assert(err, checker.IsNil, check.Commentf(out))
|
|
// Be really pick
|
|
c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker inspect busyBox'\n"))
|
|
|
|
// docker rm: stdout=empty, stderr=all, rc!=0
|
|
// testing the min arg error msg
|
|
cmd := exec.Command(dockerBinary, "rm")
|
|
stdout, stderr, _, err := runCommandWithStdoutStderr(cmd)
|
|
c.Assert(err, checker.NotNil)
|
|
c.Assert(stdout, checker.Equals, "")
|
|
// Should not contain full help text but should contain info about
|
|
// # of args and Usage line
|
|
c.Assert(stderr, checker.Contains, "requires a minimum", check.Commentf("Missing # of args text from 'docker rm'\n"))
|
|
|
|
// docker rm NoSuchContainer: stdout=empty, stderr=all, rc=0
|
|
// testing to make sure no blank line on error
|
|
cmd = exec.Command(dockerBinary, "rm", "NoSuchContainer")
|
|
stdout, stderr, _, err = runCommandWithStdoutStderr(cmd)
|
|
c.Assert(err, checker.NotNil)
|
|
c.Assert(len(stderr), checker.Not(checker.Equals), 0)
|
|
c.Assert(stdout, checker.Equals, "")
|
|
// Be really picky
|
|
c.Assert(stderr, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker rm'\n"))
|
|
|
|
// docker BadCmd: stdout=empty, stderr=all, rc=0
|
|
cmd = exec.Command(dockerBinary, "BadCmd")
|
|
stdout, stderr, _, err = runCommandWithStdoutStderr(cmd)
|
|
c.Assert(err, checker.NotNil)
|
|
c.Assert(stdout, checker.Equals, "")
|
|
c.Assert(stderr, checker.Equals, "docker: 'BadCmd' is not a docker command.\nSee 'docker --help'.\n", check.Commentf("Unexcepted output for 'docker badCmd'\n"))
|
|
}
|