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Author SHA1 Message Date
Jessica Frazelle 20d4e6f29e Bump version to v1.6.0
Docker-DCO-1.1-Signed-off-by: Jessie Frazelle <princess@docker.com> (github: jfrazelle)
2015-03-31 16:43:25 -07:00
31 changed files with 450 additions and 745 deletions
-1
View File
@@ -7,7 +7,6 @@
+ build containers with resource constraints, ie `docker build --cpu-shares=100 --memory=1024m...`
+ `commit --change` to apply specified Dockerfile instructions while committing the image
+ `import --change` to apply specified Dockerfile instructions while importing the image
+ basic build cancellation
#### Client
+ Windows Support
+1 -1
View File
@@ -1 +1 @@
1.6.0-rc7
1.6.0-rc3
+3 -3
View File
@@ -281,16 +281,16 @@ func (cli *DockerCli) monitorTtySize(id string, isExec bool) error {
if runtime.GOOS == "windows" {
go func() {
prevH, prevW := cli.getTtySize()
prevW, prevH := cli.getTtySize()
for {
time.Sleep(time.Millisecond * 250)
h, w := cli.getTtySize()
w, h := cli.getTtySize()
if prevW != w || prevH != h {
cli.resizeTty(id, isExec)
}
prevH = h
prevW = w
prevH = h
}
}()
} else {
+1 -1
View File
@@ -49,7 +49,7 @@ post-start script
fi
if ! printf "%s" "$DOCKER_OPTS" | grep -qE -e '-H|--host'; then
while ! [ -e /var/run/docker.sock ]; do
initctl status $UPSTART_JOB | grep -qE "(stop|respawn)/" && exit 1
initctl status $UPSTART_JOB | grep -q "stop/" && exit 1
echo "Waiting for /var/run/docker.sock"
sleep 0.1
done
+23 -45
View File
@@ -156,7 +156,11 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
startCallback(&c.ProcessConfig, pid)
}
oom := notifyOnOOM(cont)
oomKillNotification, err := cont.NotifyOOM()
if err != nil {
oomKillNotification = nil
log.Warnf("Your kernel does not support OOM notifications: %s", err)
}
waitF := p.Wait
if nss := cont.Config().Namespaces; !nss.Contains(configs.NEWPID) {
// we need such hack for tracking processes with inerited fds,
@@ -172,52 +176,12 @@ func (d *driver) Run(c *execdriver.Command, pipes *execdriver.Pipes, startCallba
ps = execErr.ProcessState
}
cont.Destroy()
_, oomKill := <-oom
_, oomKill := <-oomKillNotification
return execdriver.ExitStatus{ExitCode: utils.ExitStatus(ps.Sys().(syscall.WaitStatus)), OOMKilled: oomKill}, nil
}
// notifyOnOOM returns a channel that signals if the container received an OOM notification
// for any process. If it is unable to subscribe to OOM notifications then a closed
// channel is returned as it will be non-blocking and return the correct result when read.
func notifyOnOOM(container libcontainer.Container) <-chan struct{} {
oom, err := container.NotifyOOM()
if err != nil {
log.Warnf("Your kernel does not support OOM notifications: %s", err)
c := make(chan struct{})
close(c)
return c
}
return oom
}
func killCgroupProcs(c libcontainer.Container) {
var procs []*os.Process
if err := c.Pause(); err != nil {
log.Warn(err)
}
pids, err := c.Processes()
if err != nil {
// don't care about childs if we can't get them, this is mostly because cgroup already deleted
log.Warnf("Failed to get processes from container %s: %v", c.ID(), err)
}
for _, pid := range pids {
if p, err := os.FindProcess(pid); err == nil {
procs = append(procs, p)
if err := p.Kill(); err != nil {
log.Warn(err)
}
}
}
if err := c.Resume(); err != nil {
log.Warn(err)
}
for _, p := range procs {
if _, err := p.Wait(); err != nil {
log.Warn(err)
}
}
}
func waitInPIDHost(p *libcontainer.Process, c libcontainer.Container) func() (*os.ProcessState, error) {
return func() (*os.ProcessState, error) {
pid, err := p.Pid()
@@ -225,6 +189,8 @@ func waitInPIDHost(p *libcontainer.Process, c libcontainer.Container) func() (*o
return nil, err
}
processes, err := c.Processes()
process, err := os.FindProcess(pid)
s, err := process.Wait()
if err != nil {
@@ -234,7 +200,19 @@ func waitInPIDHost(p *libcontainer.Process, c libcontainer.Container) func() (*o
}
s = execErr.ProcessState
}
killCgroupProcs(c)
if err != nil {
return s, err
}
for _, pid := range processes {
process, err := os.FindProcess(pid)
if err != nil {
log.Errorf("Failed to kill process: %d", pid)
continue
}
process.Kill()
}
p.Wait()
return s, err
}
+12 -3
View File
@@ -17,20 +17,29 @@ type Syslog struct {
}
func New(tag string) (logger.Logger, error) {
log, err := syslog.New(syslog.LOG_USER, fmt.Sprintf("%s: <%s> ", path.Base(os.Args[0]), tag))
log, err := syslog.New(syslog.LOG_USER, path.Base(os.Args[0]))
if err != nil {
return nil, err
}
return &Syslog{
writer: log,
tag: tag,
}, nil
}
func (s *Syslog) Log(msg *logger.Message) error {
logMessage := fmt.Sprintf("%s: %s", s.tag, string(msg.Line))
if msg.Source == "stderr" {
return s.writer.Err(string(msg.Line))
if err := s.writer.Err(logMessage); err != nil {
return err
}
} else {
if err := s.writer.Info(logMessage); err != nil {
return err
}
}
return s.writer.Info(string(msg.Line))
return nil
}
func (s *Syslog) Close() error {
-8
View File
@@ -7,7 +7,6 @@ import (
"io/ioutil"
"net"
"os"
"os/exec"
"strings"
"sync"
@@ -107,13 +106,6 @@ func InitDriver(job *engine.Job) engine.Status {
fixedCIDR = job.Getenv("FixedCIDR")
fixedCIDRv6 = job.Getenv("FixedCIDRv6")
)
// try to modprobe bridge first
// see gh#12177
if out, err := exec.Command("modprobe", "-va", "bridge", "nf_nat").Output(); err != nil {
log.Warnf("Running modprobe bridge nf_nat failed with message: %s, error: %v", out, err)
}
initPortMapper()
if defaultIP := job.Getenv("DefaultBindingIP"); defaultIP != "" {
+4 -11
View File
@@ -22,17 +22,10 @@ EOF
}
create_robots_txt() {
if [ "$AWS_S3_BUCKET" == "docs.docker.com" ]; then
cat > ./sources/robots.txt <<-'EOF'
User-agent: *
Allow: /
EOF
else
cat > ./sources/robots.txt <<-'EOF'
User-agent: *
Disallow: /
EOF
fi
cat > ./sources/robots.txt <<'EOF'
User-agent: *
Disallow: /
EOF
}
setup_s3() {
+1 -8
View File
@@ -22,7 +22,7 @@ is developed, you can launch only Linux containers from your Windows machine.
## Demonstration
<iframe width="640" height="480" src="//www.youtube.com/embed/TjMU3bDX4vo?rel=0" frameborder="0" allowfullscreen></iframe>
<iframe width="640" height="480" src="//www.youtube.com/embed/oSHN8_uiZd4?rel=0" frameborder="0" allowfullscreen></iframe>
## Installation
@@ -147,10 +147,3 @@ You can do this with
`%USERPROFILE%\.ssh\id_boot2docker`
- then click: "Save Private Key".
- Then use the saved file to login with PuTTY using `docker@127.0.0.1:2022`.
## References
If you have Docker hosts running and if you don't wish to do a
Boot2Docker installation, you can install the docker.exe using
unofficial Windows package manager Chocolately. For information
on how to do this, see [Docker package on Chocolatey](http://chocolatey.org/packages/docker).
+181 -198
View File
@@ -20,230 +20,213 @@ command_exists() {
command -v "$@" > /dev/null 2>&1
}
echo_docker_as_nonroot() {
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-EOF", spaces are kept in the output
cat <<-EOF
case "$(uname -m)" in
*64)
;;
*)
echo >&2 'Error: you are not using a 64bit platform.'
echo >&2 'Docker currently only supports 64bit platforms.'
exit 1
;;
esac
If you would like to use Docker as a non-root user, you should now consider
adding your user to the "docker" group with something like:
if command_exists docker || command_exists lxc-docker; then
echo >&2 'Warning: "docker" or "lxc-docker" command appears to already exist.'
echo >&2 'Please ensure that you do not already have docker installed.'
echo >&2 'You may press Ctrl+C now to abort this process and rectify this situation.'
( set -x; sleep 20 )
fi
sudo usermod -aG docker $your_user
user="$(id -un 2>/dev/null || true)"
Remember that you will have to log out and back in for this to take effect!
EOF
}
do_install() {
case "$(uname -m)" in
*64)
;;
*)
cat >&2 <<-'EOF'
Error: you are not using a 64bit platform.
Docker currently only supports 64bit platforms.
EOF
exit 1
;;
esac
if command_exists docker || command_exists lxc-docker; then
cat >&2 <<-'EOF'
Warning: "docker" or "lxc-docker" command appears to already exist.
Please ensure that you do not already have docker installed.
You may press Ctrl+C now to abort this process and rectify this situation.
EOF
( set -x; sleep 20 )
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -E sh -c'
elif command_exists su; then
sh_c='su -c'
else
echo >&2 'Error: this installer needs the ability to run commands as root.'
echo >&2 'We are unable to find either "sudo" or "su" available to make this happen.'
exit 1
fi
fi
user="$(id -un 2>/dev/null || true)"
curl=''
if command_exists curl; then
curl='curl -sSL'
elif command_exists wget; then
curl='wget -qO-'
elif command_exists busybox && busybox --list-modules | grep -q wget; then
curl='busybox wget -qO-'
fi
sh_c='sh -c'
if [ "$user" != 'root' ]; then
if command_exists sudo; then
sh_c='sudo -E sh -c'
elif command_exists su; then
sh_c='su -c'
# perform some very rudimentary platform detection
lsb_dist=''
if command_exists lsb_release; then
lsb_dist="$(lsb_release -si)"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/lsb-release ]; then
lsb_dist="$(. /etc/lsb-release && echo "$DISTRIB_ID")"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/debian_version ]; then
lsb_dist='debian'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/fedora-release ]; then
lsb_dist='fedora'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
case "$lsb_dist" in
amzn|fedora)
if [ "$lsb_dist" = 'amzn' ]; then
(
set -x
$sh_c 'sleep 3; yum -y -q install docker'
)
else
cat >&2 <<-'EOF'
Error: this installer needs the ability to run commands as root.
We are unable to find either "sudo" or "su" available to make this happen.
EOF
exit 1
(
set -x
$sh_c 'sleep 3; yum -y -q install docker-io'
)
fi
fi
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
exit 0
;;
curl=''
if command_exists curl; then
curl='curl -sSL'
elif command_exists wget; then
curl='wget -qO-'
elif command_exists busybox && busybox --list-modules | grep -q wget; then
curl='busybox wget -qO-'
fi
ubuntu|debian|linuxmint)
export DEBIAN_FRONTEND=noninteractive
# perform some very rudimentary platform detection
lsb_dist=''
if command_exists lsb_release; then
lsb_dist="$(lsb_release -si)"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/lsb-release ]; then
lsb_dist="$(. /etc/lsb-release && echo "$DISTRIB_ID")"
fi
if [ -z "$lsb_dist" ] && [ -r /etc/debian_version ]; then
lsb_dist='debian'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/fedora-release ]; then
lsb_dist='fedora'
fi
if [ -z "$lsb_dist" ] && [ -r /etc/os-release ]; then
lsb_dist="$(. /etc/os-release && echo "$ID")"
fi
lsb_dist="$(echo "$lsb_dist" | tr '[:upper:]' '[:lower:]')"
case "$lsb_dist" in
amzn|fedora|centos)
if [ "$lsb_dist" = 'amzn' ]; then
(
set -x
$sh_c 'sleep 3; yum -y -q install docker'
)
else
(
set -x
$sh_c 'sleep 3; yum -y -q install docker-io'
)
did_apt_get_update=
apt_get_update() {
if [ -z "$did_apt_get_update" ]; then
( set -x; $sh_c 'sleep 3; apt-get update' )
did_apt_get_update=1
fi
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
echo_docker_as_nonroot
exit 0
;;
}
ubuntu|debian|linuxmint)
export DEBIAN_FRONTEND=noninteractive
# aufs is preferred over devicemapper; try to ensure the driver is available.
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -q '^ii' 2>/dev/null; then
kern_extras="linux-image-extra-$(uname -r) linux-image-extra-virtual"
did_apt_get_update=
apt_get_update() {
if [ -z "$did_apt_get_update" ]; then
( set -x; $sh_c 'sleep 3; apt-get update' )
did_apt_get_update=1
fi
}
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q '"$kern_extras" ) || true
# aufs is preferred over devicemapper; try to ensure the driver is available.
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
if uname -r | grep -q -- '-generic' && dpkg -l 'linux-image-*-generic' | grep -q '^ii' 2>/dev/null; then
kern_extras="linux-image-extra-$(uname -r) linux-image-extra-virtual"
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q '"$kern_extras" ) || true
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
echo >&2 'Warning: tried to install '"$kern_extras"' (for AUFS)'
echo >&2 ' but we still have no AUFS. Docker may not work. Proceeding anyways!'
( set -x; sleep 10 )
fi
else
echo >&2 'Warning: current kernel is not supported by the linux-image-extra-virtual'
echo >&2 ' package. We have no AUFS support. Consider installing the packages'
echo >&2 ' linux-image-virtual kernel and linux-image-extra-virtual for AUFS support.'
if ! grep -q aufs /proc/filesystems && ! $sh_c 'modprobe aufs'; then
echo >&2 'Warning: tried to install '"$kern_extras"' (for AUFS)'
echo >&2 ' but we still have no AUFS. Docker may not work. Proceeding anyways!'
( set -x; sleep 10 )
fi
else
echo >&2 'Warning: current kernel is not supported by the linux-image-extra-virtual'
echo >&2 ' package. We have no AUFS support. Consider installing the packages'
echo >&2 ' linux-image-virtual kernel and linux-image-extra-virtual for AUFS support.'
( set -x; sleep 10 )
fi
fi
# install apparmor utils if they're missing and apparmor is enabled in the kernel
# otherwise Docker will fail to start
if [ "$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = 'Y' ]; then
if command -v apparmor_parser &> /dev/null; then
echo 'apparmor is enabled in the kernel and apparmor utils were already installed'
else
echo 'apparmor is enabled in the kernel, but apparmor_parser missing'
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apparmor' )
fi
# install apparmor utils if they're missing and apparmor is enabled in the kernel
# otherwise Docker will fail to start
if [ "$(cat /sys/module/apparmor/parameters/enabled 2>/dev/null)" = 'Y' ]; then
if command -v apparmor_parser &> /dev/null; then
echo 'apparmor is enabled in the kernel and apparmor utils were already installed'
else
echo 'apparmor is enabled in the kernel, but apparmor_parser missing'
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apparmor' )
fi
fi
if [ ! -e /usr/lib/apt/methods/https ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apt-transport-https ca-certificates' )
fi
if [ -z "$curl" ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q curl ca-certificates' )
curl='curl -sSL'
if [ ! -e /usr/lib/apt/methods/https ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q apt-transport-https ca-certificates' )
fi
if [ -z "$curl" ]; then
apt_get_update
( set -x; $sh_c 'sleep 3; apt-get install -y -q curl ca-certificates' )
curl='curl -sSL'
fi
(
set -x
if [ "https://get.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9"
elif [ "https://test.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 740B314AE3941731B942C66ADF4FD13717AAD7D6"
else
$sh_c "$curl ${url}gpg | apt-key add -"
fi
$sh_c "echo deb ${url}ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q lxc-docker'
)
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
if [ "https://get.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9"
elif [ "https://test.docker.com/" = "$url" ]; then
$sh_c "apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 740B314AE3941731B942C66ADF4FD13717AAD7D6"
else
$sh_c "$curl ${url}gpg | apt-key add -"
fi
$sh_c "echo deb ${url}ubuntu docker main > /etc/apt/sources.list.d/docker.list"
$sh_c 'sleep 3; apt-get update; apt-get install -y -q lxc-docker'
)
if command_exists docker && [ -e /var/run/docker.sock ]; then
(
set -x
$sh_c 'docker version'
) || true
fi
echo_docker_as_nonroot
exit 0
;;
$sh_c 'docker version'
) || true
fi
your_user=your-user
[ "$user" != 'root' ] && your_user="$user"
echo
echo 'If you would like to use Docker as a non-root user, you should now consider'
echo 'adding your user to the "docker" group with something like:'
echo
echo ' sudo usermod -aG docker' $your_user
echo
echo 'Remember that you will have to log out and back in for this to take effect!'
echo
exit 0
;;
gentoo)
if [ "$url" = "https://test.docker.com/" ]; then
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
gentoo)
if [ "$url" = "https://test.docker.com/" ]; then
echo >&2
echo >&2 ' You appear to be trying to install the latest nightly build in Gentoo.'
echo >&2 ' The portage tree should contain the latest stable release of Docker, but'
echo >&2 ' if you want something more recent, you can always use the live ebuild'
echo >&2 ' provided in the "docker" overlay available via layman. For more'
echo >&2 ' instructions, please see the following URL:'
echo >&2 ' https://github.com/tianon/docker-overlay#using-this-overlay'
echo >&2 ' After adding the "docker" overlay, you should be able to:'
echo >&2 ' emerge -av =app-emulation/docker-9999'
echo >&2
exit 1
fi
You appear to be trying to install the latest nightly build in Gentoo.'
The portage tree should contain the latest stable release of Docker, but'
if you want something more recent, you can always use the live ebuild'
provided in the "docker" overlay available via layman. For more'
instructions, please see the following URL:'
(
set -x
$sh_c 'sleep 3; emerge app-emulation/docker'
)
exit 0
;;
esac
https://github.com/tianon/docker-overlay#using-this-overlay'
cat >&2 <<'EOF'
After adding the "docker" overlay, you should be able to:'
Either your platform is not easily detectable, is not supported by this
installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have
a package for Docker. Please visit the following URL for more detailed
installation instructions:
emerge -av =app-emulation/docker-9999'
https://docs.docker.com/en/latest/installation/
EOF
exit 1
fi
(
set -x
$sh_c 'sleep 3; emerge app-emulation/docker'
)
exit 0
;;
esac
# intentionally mixed spaces and tabs here -- tabs are stripped by "<<-'EOF'", spaces are kept in the output
cat >&2 <<-'EOF'
Either your platform is not easily detectable, is not supported by this
installer script (yet - PRs welcome! [hack/install.sh]), or does not yet have
a package for Docker. Please visit the following URL for more detailed
installation instructions:
https://docs.docker.com/en/latest/installation/
EOF
exit 1
}
# wrapped up in a function so that we have some protection against only getting
# half the file during "curl | sh"
do_install
EOF
exit 1
+1 -1
View File
@@ -75,7 +75,7 @@ rm -rf src/github.com/docker/distribution
mkdir -p src/github.com/docker/distribution
mv tmp-digest src/github.com/docker/distribution/digest
clone git github.com/docker/libcontainer bd8ec36106086f72b66e1be85a81202b93503e44
clone git github.com/docker/libcontainer c8512754166539461fd860451ff1a0af7491c197
# see src/github.com/docker/libcontainer/update-vendor.sh which is the "source of truth" for libcontainer deps (just like this file)
rm -rf src/github.com/docker/libcontainer/vendor
eval "$(grep '^clone ' src/github.com/docker/libcontainer/update-vendor.sh | grep -v 'github.com/codegangsta/cli' | grep -v 'github.com/Sirupsen/logrus')"
-54
View File
@@ -3237,35 +3237,6 @@ func TestRunNetHost(t *testing.T) {
logDone("run - net host mode")
}
func TestRunNetContainerWhichHost(t *testing.T) {
testRequires(t, SameHostDaemon)
defer deleteAllContainers()
hostNet, err := os.Readlink("/proc/1/ns/net")
if err != nil {
t.Fatal(err)
}
cmd := exec.Command(dockerBinary, "run", "-d", "--net=host", "--name=test", "busybox", "top")
out, _, err := runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
cmd = exec.Command(dockerBinary, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net")
out, _, err = runCommandWithOutput(cmd)
if err != nil {
t.Fatal(err, out)
}
out = strings.Trim(out, "\n")
if hostNet != out {
t.Fatalf("Container should have host network namespace")
}
logDone("run - net container mode, where container in host mode")
}
func TestRunAllowPortRangeThroughPublish(t *testing.T) {
defer deleteAllContainers()
@@ -3411,28 +3382,3 @@ func TestRunVolumesFromRestartAfterRemoved(t *testing.T) {
logDone("run - can restart a volumes-from container after producer is removed")
}
func TestRunPidHostWithChildIsKillable(t *testing.T) {
defer deleteAllContainers()
name := "ibuildthecloud"
if out, err := exec.Command(dockerBinary, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi").CombinedOutput(); err != nil {
t.Fatal(err, out)
}
time.Sleep(1 * time.Second)
errchan := make(chan error)
go func() {
if out, err := exec.Command(dockerBinary, "kill", name).CombinedOutput(); err != nil {
errchan <- fmt.Errorf("%v:\n%s", err, out)
}
close(errchan)
}()
select {
case err := <-errchan:
if err != nil {
t.Fatal(err)
}
case <-time.After(5 * time.Second):
t.Fatal("Kill container timed out")
}
logDone("run - can kill container with pid-host and some childs of pid 1")
}
+58 -59
View File
@@ -5,7 +5,6 @@ import (
"io"
"os"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/pkg/term/winconsole"
)
@@ -22,49 +21,34 @@ type Winsize struct {
y uint16
}
func StdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
switch {
case os.Getenv("ConEmuANSI") == "ON":
// The ConEmu shell emulates ANSI well by default.
return os.Stdin, os.Stdout, os.Stderr
case os.Getenv("MSYSTEM") != "":
// MSYS (mingw) does not emulate ANSI well.
return winconsole.WinConsoleStreams()
default:
return winconsole.WinConsoleStreams()
}
}
// GetFdInfo returns file descriptor and bool indicating whether the file is a terminal.
func GetFdInfo(in interface{}) (uintptr, bool) {
return winconsole.GetHandleInfo(in)
}
// GetWinsize retrieves the window size of the terminal connected to the passed file descriptor.
// GetWinsize gets the window size of the given terminal
func GetWinsize(fd uintptr) (*Winsize, error) {
ws := &Winsize{}
var info *winconsole.CONSOLE_SCREEN_BUFFER_INFO
info, err := winconsole.GetConsoleScreenBufferInfo(fd)
if err != nil {
return nil, err
}
// TODO(azlinux): Set the pixel width / height of the console (currently unused by any caller)
return &Winsize{
Width: uint16(info.Window.Right - info.Window.Left + 1),
Height: uint16(info.Window.Bottom - info.Window.Top + 1),
x: 0,
y: 0}, nil
ws.Width = uint16(info.Window.Right - info.Window.Left + 1)
ws.Height = uint16(info.Window.Bottom - info.Window.Top + 1)
ws.x = 0 // todo azlinux -- this is the pixel size of the Window, and not currently used by any caller
ws.y = 0
return ws, nil
}
// SetWinsize sets the size of the given terminal connected to the passed file descriptor.
// SetWinsize sets the terminal connected to the given file descriptor to a
// given size.
func SetWinsize(fd uintptr, ws *Winsize) error {
// TODO(azlinux): Implement SetWinsize
logrus.Debugf("[windows] SetWinsize: WARNING -- Unsupported method invoked")
return nil
}
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd uintptr) bool {
return winconsole.IsConsole(fd)
_, e := winconsole.GetConsoleMode(fd)
return e == nil
}
// RestoreTerminal restores the terminal connected to the given file descriptor to a
@@ -73,7 +57,7 @@ func RestoreTerminal(fd uintptr, state *State) error {
return winconsole.SetConsoleMode(fd, state.mode)
}
// SaveState saves the state of the terminal connected to the given file descriptor.
// SaveState saves the state of the given console
func SaveState(fd uintptr) (*State, error) {
mode, e := winconsole.GetConsoleMode(fd)
if e != nil {
@@ -82,57 +66,72 @@ func SaveState(fd uintptr) (*State, error) {
return &State{mode}, nil
}
// DisableEcho disables echo for the terminal connected to the given file descriptor.
// -- See http://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
// DisableEcho disbales the echo for given file descriptor and returns previous state
// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx for these flag settings
func DisableEcho(fd uintptr, state *State) error {
mode := state.mode
mode &^= winconsole.ENABLE_ECHO_INPUT
mode |= winconsole.ENABLE_PROCESSED_INPUT | winconsole.ENABLE_LINE_INPUT
// TODO(azlinux): Core code registers a goroutine to catch os.Interrupt and reset the terminal state.
return winconsole.SetConsoleMode(fd, mode)
state.mode &^= (winconsole.ENABLE_ECHO_INPUT)
state.mode |= (winconsole.ENABLE_PROCESSED_INPUT | winconsole.ENABLE_LINE_INPUT)
return winconsole.SetConsoleMode(fd, state.mode)
}
// SetRawTerminal puts the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
func SetRawTerminal(fd uintptr) (*State, error) {
state, err := MakeRaw(fd)
oldState, err := MakeRaw(fd)
if err != nil {
return nil, err
}
// TODO(azlinux): Core code registers a goroutine to catch os.Interrupt and reset the terminal state.
return state, err
// TODO (azlinux): implement handling interrupt and restore state of terminal
return oldState, err
}
// MakeRaw puts the terminal connected to the given file descriptor into raw
// mode and returns the previous state of the terminal so that it can be
// restored.
func MakeRaw(fd uintptr) (*State, error) {
var state *State
state, err := SaveState(fd)
if err != nil {
return nil, err
}
// See
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
// -- https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
mode := state.mode
// Disable these modes
mode &^= winconsole.ENABLE_ECHO_INPUT
mode &^= winconsole.ENABLE_LINE_INPUT
mode &^= winconsole.ENABLE_MOUSE_INPUT
mode &^= winconsole.ENABLE_WINDOW_INPUT
mode &^= winconsole.ENABLE_PROCESSED_INPUT
// Enable these modes
mode |= winconsole.ENABLE_EXTENDED_FLAGS
mode |= winconsole.ENABLE_INSERT_MODE
mode |= winconsole.ENABLE_QUICK_EDIT_MODE
err = winconsole.SetConsoleMode(fd, mode)
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms683462(v=vs.85).aspx
// All three input modes, along with processed output mode, are designed to work together.
// It is best to either enable or disable all of these modes as a group.
// When all are enabled, the application is said to be in "cooked" mode, which means that most of the processing is handled for the application.
// When all are disabled, the application is in "raw" mode, which means that input is unfiltered and any processing is left to the application.
state.mode = 0
err = winconsole.SetConsoleMode(fd, state.mode)
if err != nil {
return nil, err
}
return state, nil
}
// GetFdInfo returns file descriptor and bool indicating whether the file is a terminal
func GetFdInfo(in interface{}) (uintptr, bool) {
return winconsole.GetHandleInfo(in)
}
func StdStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
var shouldEmulateANSI bool
switch {
case os.Getenv("ConEmuANSI") == "ON":
// ConEmu shell, ansi emulated by default and ConEmu does an extensively
// good emulation.
shouldEmulateANSI = false
case os.Getenv("MSYSTEM") != "":
// MSYS (mingw) cannot fully emulate well and still shows escape characters
// mostly because it's still running on cmd.exe window.
shouldEmulateANSI = true
default:
shouldEmulateANSI = true
}
if shouldEmulateANSI {
return winconsole.StdStreams()
}
return os.Stdin, os.Stdout, os.Stderr
}
+86 -93
View File
@@ -12,22 +12,18 @@ import (
"sync"
"syscall"
"unsafe"
"github.com/Sirupsen/logrus"
)
const (
// Consts for Get/SetConsoleMode function
// -- See https://msdn.microsoft.com/en-us/library/windows/desktop/ms686033(v=vs.85).aspx
ENABLE_PROCESSED_INPUT = 0x0001
ENABLE_LINE_INPUT = 0x0002
// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms683167(v=vs.85).aspx
ENABLE_ECHO_INPUT = 0x0004
ENABLE_WINDOW_INPUT = 0x0008
ENABLE_MOUSE_INPUT = 0x0010
ENABLE_INSERT_MODE = 0x0020
ENABLE_LINE_INPUT = 0x0002
ENABLE_MOUSE_INPUT = 0x0010
ENABLE_PROCESSED_INPUT = 0x0001
ENABLE_QUICK_EDIT_MODE = 0x0040
ENABLE_EXTENDED_FLAGS = 0x0080
ENABLE_WINDOW_INPUT = 0x0008
// If parameter is a screen buffer handle, additional values
ENABLE_PROCESSED_OUTPUT = 0x0001
ENABLE_WRAP_AT_EOL_OUTPUT = 0x0002
@@ -101,27 +97,27 @@ const (
VK_HOME = 0x24 // HOME key
VK_LEFT = 0x25 // LEFT ARROW key
VK_UP = 0x26 // UP ARROW key
VK_RIGHT = 0x27 // RIGHT ARROW key
VK_DOWN = 0x28 // DOWN ARROW key
VK_SELECT = 0x29 // SELECT key
VK_PRINT = 0x2A // PRINT key
VK_EXECUTE = 0x2B // EXECUTE key
VK_SNAPSHOT = 0x2C // PRINT SCREEN key
VK_INSERT = 0x2D // INS key
VK_DELETE = 0x2E // DEL key
VK_HELP = 0x2F // HELP key
VK_F1 = 0x70 // F1 key
VK_F2 = 0x71 // F2 key
VK_F3 = 0x72 // F3 key
VK_F4 = 0x73 // F4 key
VK_F5 = 0x74 // F5 key
VK_F6 = 0x75 // F6 key
VK_F7 = 0x76 // F7 key
VK_F8 = 0x77 // F8 key
VK_F9 = 0x78 // F9 key
VK_F10 = 0x79 // F10 key
VK_F11 = 0x7A // F11 key
VK_F12 = 0x7B // F12 key
VK_RIGHT = 0x27 //RIGHT ARROW key
VK_DOWN = 0x28 //DOWN ARROW key
VK_SELECT = 0x29 //SELECT key
VK_PRINT = 0x2A //PRINT key
VK_EXECUTE = 0x2B //EXECUTE key
VK_SNAPSHOT = 0x2C //PRINT SCREEN key
VK_INSERT = 0x2D //INS key
VK_DELETE = 0x2E //DEL key
VK_HELP = 0x2F //HELP key
VK_F1 = 0x70 //F1 key
VK_F2 = 0x71 //F2 key
VK_F3 = 0x72 //F3 key
VK_F4 = 0x73 //F4 key
VK_F5 = 0x74 //F5 key
VK_F6 = 0x75 //F6 key
VK_F7 = 0x76 //F7 key
VK_F8 = 0x77 //F8 key
VK_F9 = 0x78 //F9 key
VK_F10 = 0x79 //F10 key
VK_F11 = 0x7A //F11 key
VK_F12 = 0x7B //F12 key
)
var kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
@@ -144,12 +140,7 @@ var (
// types for calling various windows API
// see http://msdn.microsoft.com/en-us/library/windows/desktop/ms682093(v=vs.85).aspx
type (
SHORT int16
BOOL int32
WORD uint16
WCHAR uint16
DWORD uint32
SHORT int16
SMALL_RECT struct {
Left SHORT
Top SHORT
@@ -162,6 +153,11 @@ type (
Y SHORT
}
BOOL int32
WORD uint16
WCHAR uint16
DWORD uint32
CONSOLE_SCREEN_BUFFER_INFO struct {
Size COORD
CursorPosition COORD
@@ -196,10 +192,6 @@ type (
}
)
// TODO(azlinux): Basic type clean-up
// -- Convert all uses of uintptr to syscall.Handle to be consistent with Windows syscall
// -- Convert, as appropriate, types to use defined Windows types (e.g., DWORD instead of uint32)
// Implements the TerminalEmulator interface
type WindowsTerminal struct {
outMutex sync.Mutex
@@ -219,14 +211,14 @@ func getStdHandle(stdhandle int) uintptr {
return uintptr(handle)
}
func WinConsoleStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
func StdStreams() (stdIn io.ReadCloser, stdOut io.Writer, stdErr io.Writer) {
handler := &WindowsTerminal{
inputBuffer: make([]byte, MAX_INPUT_BUFFER),
inputEscapeSequence: []byte(KEY_ESC_CSI),
inputEvents: make([]INPUT_RECORD, MAX_INPUT_EVENTS),
}
if IsConsole(os.Stdin.Fd()) {
if IsTerminal(os.Stdin.Fd()) {
stdIn = &terminalReader{
wrappedReader: os.Stdin,
emulator: handler,
@@ -237,7 +229,7 @@ func WinConsoleStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
stdIn = os.Stdin
}
if IsConsole(os.Stdout.Fd()) {
if IsTerminal(os.Stdout.Fd()) {
stdoutHandle := getStdHandle(syscall.STD_OUTPUT_HANDLE)
// Save current screen buffer info
@@ -261,7 +253,7 @@ func WinConsoleStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
stdOut = os.Stdout
}
if IsConsole(os.Stderr.Fd()) {
if IsTerminal(os.Stderr.Fd()) {
stdErr = &terminalWriter{
wrappedWriter: os.Stderr,
emulator: handler,
@@ -275,21 +267,25 @@ func WinConsoleStreams() (stdIn io.ReadCloser, stdOut, stdErr io.Writer) {
return stdIn, stdOut, stdErr
}
// GetHandleInfo returns file descriptor and bool indicating whether the file is a console.
// GetHandleInfo returns file descriptor and bool indicating whether the file is a terminal
func GetHandleInfo(in interface{}) (uintptr, bool) {
var inFd uintptr
var isTerminalIn bool
switch t := in.(type) {
case *terminalReader:
in = t.wrappedReader
case *terminalWriter:
in = t.wrappedWriter
}
if file, ok := in.(*os.File); ok {
inFd = file.Fd()
isTerminalIn = IsConsole(inFd)
isTerminalIn = IsTerminal(inFd)
}
if tr, ok := in.(*terminalReader); ok {
if file, ok := tr.wrappedReader.(*os.File); ok {
inFd = file.Fd()
isTerminalIn = IsTerminal(inFd)
}
}
if tr, ok := in.(*terminalWriter); ok {
if file, ok := tr.wrappedWriter.(*os.File); ok {
inFd = file.Fd()
isTerminalIn = IsTerminal(inFd)
}
}
return inFd, isTerminalIn
}
@@ -322,12 +318,12 @@ func SetConsoleMode(handle uintptr, mode uint32) error {
// SetCursorVisible sets the cursor visbility
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms686019(v=vs.85).aspx
func SetCursorVisible(handle uintptr, isVisible BOOL) (bool, error) {
var cursorInfo *CONSOLE_CURSOR_INFO = &CONSOLE_CURSOR_INFO{}
if err := getError(getConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(cursorInfo)), 0)); err != nil {
var cursorInfo CONSOLE_CURSOR_INFO
if err := getError(getConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(&cursorInfo)), 0)); err != nil {
return false, err
}
cursorInfo.Visible = isVisible
if err := getError(setConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(cursorInfo)), 0)); err != nil {
if err := getError(setConsoleCursorInfoProc.Call(handle, uintptr(unsafe.Pointer(&cursorInfo)), 0)); err != nil {
return false, err
}
return true, nil
@@ -412,25 +408,25 @@ func getNumberOfChars(fromCoord COORD, toCoord COORD, screenSize COORD) uint32 {
var buffer []CHAR_INFO
func clearDisplayRect(handle uintptr, attributes WORD, fromCoord COORD, toCoord COORD) (uint32, error) {
func clearDisplayRect(handle uintptr, fillChar rune, attributes WORD, fromCoord COORD, toCoord COORD, windowSize COORD) (uint32, error) {
var writeRegion SMALL_RECT
writeRegion.Left = fromCoord.X
writeRegion.Top = fromCoord.Y
writeRegion.Left = fromCoord.X
writeRegion.Right = toCoord.X
writeRegion.Bottom = toCoord.Y
// allocate and initialize buffer
width := toCoord.X - fromCoord.X + 1
height := toCoord.Y - fromCoord.Y + 1
size := uint32(width) * uint32(height)
size := width * height
if size > 0 {
buffer := make([]CHAR_INFO, size)
for i := range buffer {
buffer[i] = CHAR_INFO{WCHAR(' '), attributes}
for i := 0; i < int(size); i++ {
buffer[i].UnicodeChar = WCHAR(fillChar)
buffer[i].Attributes = attributes
}
// Write to buffer
r, err := writeConsoleOutput(handle, buffer, COORD{X: width, Y: height}, COORD{X: 0, Y: 0}, &writeRegion)
r, err := writeConsoleOutput(handle, buffer[:size], windowSize, COORD{X: 0, Y: 0}, &writeRegion)
if !r {
if err != nil {
return 0, err
@@ -441,18 +437,18 @@ func clearDisplayRect(handle uintptr, attributes WORD, fromCoord COORD, toCoord
return uint32(size), nil
}
func clearDisplayRange(handle uintptr, attributes WORD, fromCoord COORD, toCoord COORD) (uint32, error) {
func clearDisplayRange(handle uintptr, fillChar rune, attributes WORD, fromCoord COORD, toCoord COORD, windowSize COORD) (uint32, error) {
nw := uint32(0)
// start and end on same line
if fromCoord.Y == toCoord.Y {
return clearDisplayRect(handle, attributes, fromCoord, toCoord)
return clearDisplayRect(handle, fillChar, attributes, fromCoord, toCoord, windowSize)
}
// TODO(azlinux): if full screen, optimize
// spans more than one line
if fromCoord.Y < toCoord.Y {
// from start position till end of line for first line
n, err := clearDisplayRect(handle, attributes, fromCoord, COORD{X: toCoord.X, Y: fromCoord.Y})
n, err := clearDisplayRect(handle, fillChar, attributes, fromCoord, COORD{X: windowSize.X - 1, Y: fromCoord.Y}, windowSize)
if err != nil {
return nw, err
}
@@ -460,14 +456,14 @@ func clearDisplayRange(handle uintptr, attributes WORD, fromCoord COORD, toCoord
// lines between
linesBetween := toCoord.Y - fromCoord.Y - 1
if linesBetween > 0 {
n, err = clearDisplayRect(handle, attributes, COORD{X: 0, Y: fromCoord.Y + 1}, COORD{X: toCoord.X, Y: toCoord.Y - 1})
n, err = clearDisplayRect(handle, fillChar, attributes, COORD{X: 0, Y: fromCoord.Y + 1}, COORD{X: windowSize.X - 1, Y: toCoord.Y - 1}, windowSize)
if err != nil {
return nw, err
}
nw += n
}
// lines at end
n, err = clearDisplayRect(handle, attributes, COORD{X: 0, Y: toCoord.Y}, toCoord)
n, err = clearDisplayRect(handle, fillChar, attributes, COORD{X: 0, Y: toCoord.Y}, toCoord, windowSize)
if err != nil {
return nw, err
}
@@ -497,7 +493,7 @@ func setConsoleCursorPosition(handle uintptr, isRelative bool, column int16, lin
// http://msdn.microsoft.com/en-us/library/windows/desktop/ms683207(v=vs.85).aspx
func getNumberOfConsoleInputEvents(handle uintptr) (uint16, error) {
var n DWORD
var n WORD
if err := getError(getNumberOfConsoleInputEventsProc.Call(handle, uintptr(unsafe.Pointer(&n)))); err != nil {
return 0, err
}
@@ -506,7 +502,7 @@ func getNumberOfConsoleInputEvents(handle uintptr) (uint16, error) {
//http://msdn.microsoft.com/en-us/library/windows/desktop/ms684961(v=vs.85).aspx
func readConsoleInputKey(handle uintptr, inputBuffer []INPUT_RECORD) (int, error) {
var nr DWORD
var nr WORD
if err := getError(readConsoleInputProc.Call(handle, uintptr(unsafe.Pointer(&inputBuffer[0])), uintptr(len(inputBuffer)), uintptr(unsafe.Pointer(&nr)))); err != nil {
return 0, err
}
@@ -595,7 +591,6 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
n = len(command)
parsedCommand := parseAnsiCommand(command)
logrus.Debugf("[windows] HandleOutputCommand: %v", parsedCommand)
// console settings changes need to happen in atomic way
term.outMutex.Lock()
@@ -641,17 +636,16 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
return n, err
}
if line > int16(screenBufferInfo.Window.Bottom) {
line = int16(screenBufferInfo.Window.Bottom) + 1
line = int16(screenBufferInfo.Window.Bottom)
}
column, err := parseInt16OrDefault(parsedCommand.getParam(1), 1)
if err != nil {
return n, err
}
if column > int16(screenBufferInfo.Window.Right) {
column = int16(screenBufferInfo.Window.Right) + 1
column = int16(screenBufferInfo.Window.Right)
}
// The numbers are not 0 based, but 1 based
logrus.Debugf("[windows] HandleOutputCommmand: Moving cursor to (%v,%v)", column-1, line-1)
if err := setConsoleCursorPosition(handle, false, column-1, line-1); err != nil {
return n, err
}
@@ -719,9 +713,9 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
switch value {
case 0:
start = screenBufferInfo.CursorPosition
// end of the buffer
end.X = screenBufferInfo.Size.X - 1
end.Y = screenBufferInfo.Size.Y - 1
// end of the screen
end.X = screenBufferInfo.MaximumWindowSize.X - 1
end.Y = screenBufferInfo.MaximumWindowSize.Y - 1
// cursor
cursor = screenBufferInfo.CursorPosition
case 1:
@@ -737,21 +731,20 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
// start of the screen
start.X = 0
start.Y = 0
// end of the buffer
end.X = screenBufferInfo.Size.X - 1
end.Y = screenBufferInfo.Size.Y - 1
// end of the screen
end.X = screenBufferInfo.MaximumWindowSize.X - 1
end.Y = screenBufferInfo.MaximumWindowSize.Y - 1
// cursor
cursor.X = 0
cursor.Y = 0
}
if _, err := clearDisplayRange(uintptr(handle), term.screenBufferInfo.Attributes, start, end); err != nil {
if _, err := clearDisplayRange(uintptr(handle), ' ', term.screenBufferInfo.Attributes, start, end, screenBufferInfo.MaximumWindowSize); err != nil {
return n, err
}
// remember the the cursor position is 1 based
if err := setConsoleCursorPosition(handle, false, int16(cursor.X), int16(cursor.Y)); err != nil {
return n, err
}
case "K":
// [K
// Clears all characters from the cursor position to the end of the line (including the character at the cursor position).
@@ -771,7 +764,7 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
// start is where cursor is
start = screenBufferInfo.CursorPosition
// end of line
end.X = screenBufferInfo.Size.X - 1
end.X = screenBufferInfo.MaximumWindowSize.X - 1
end.Y = screenBufferInfo.CursorPosition.Y
// cursor remains the same
cursor = screenBufferInfo.CursorPosition
@@ -787,15 +780,15 @@ func (term *WindowsTerminal) HandleOutputCommand(handle uintptr, command []byte)
case 2:
// start of the line
start.X = 0
start.Y = screenBufferInfo.CursorPosition.Y - 1
start.Y = screenBufferInfo.MaximumWindowSize.Y - 1
// end of the line
end.X = screenBufferInfo.Size.X - 1
end.Y = screenBufferInfo.CursorPosition.Y - 1
end.X = screenBufferInfo.MaximumWindowSize.X - 1
end.Y = screenBufferInfo.MaximumWindowSize.Y - 1
// cursor
cursor.X = 0
cursor.Y = screenBufferInfo.CursorPosition.Y - 1
cursor.Y = screenBufferInfo.MaximumWindowSize.Y - 1
}
if _, err := clearDisplayRange(uintptr(handle), term.screenBufferInfo.Attributes, start, end); err != nil {
if _, err := clearDisplayRange(uintptr(handle), ' ', term.screenBufferInfo.Attributes, start, end, screenBufferInfo.MaximumWindowSize); err != nil {
return n, err
}
// remember the the cursor position is 1 based
@@ -1042,12 +1035,12 @@ func (term *WindowsTerminal) HandleInputSequence(fd uintptr, command []byte) (n
}
func marshal(c COORD) uintptr {
return uintptr(*((*DWORD)(unsafe.Pointer(&c))))
// works only on intel-endian machines
return uintptr(uint32(uint32(uint16(c.Y))<<16 | uint32(uint16(c.X))))
}
// IsConsole returns true if the given file descriptor is a terminal.
// -- The code assumes that GetConsoleMode will return an error for file descriptors that are not a console.
func IsConsole(fd uintptr) bool {
// IsTerminal returns true if the given file descriptor is a terminal.
func IsTerminal(fd uintptr) bool {
_, e := GetConsoleMode(fd)
return e == nil
}
-16
View File
@@ -1,7 +1,6 @@
package winconsole
import (
"fmt"
"io"
"strconv"
"strings"
@@ -207,21 +206,6 @@ func (c *ansiCommand) getParam(index int) string {
return ""
}
func (ac *ansiCommand) String() string {
return fmt.Sprintf("0x%v \"%v\" (\"%v\")",
bytesToHex(ac.CommandBytes),
ac.Command,
strings.Join(ac.Parameters, "\",\""))
}
func bytesToHex(b []byte) string {
hex := make([]string, len(b))
for i, ch := range b {
hex[i] = fmt.Sprintf("%X", ch)
}
return strings.Join(hex, "")
}
func parseInt16OrDefault(s string, defaultValue int16) (n int16, err error) {
if s == "" {
return defaultValue, nil
@@ -1,2 +1 @@
bundles
nsinit/nsinit
-2
View File
@@ -29,5 +29,3 @@ local:
validate:
hack/validate.sh
binary: all
docker run --rm --privileged -v $(CURDIR)/bundles:/go/bin dockercore/libcontainer make direct-install
-3
View File
@@ -141,9 +141,6 @@ container.Resume()
It is able to spawn new containers or join existing containers. A root
filesystem must be provided for use along with a container configuration file.
To build `nsinit`, run `make binary`. It will save the binary into
`bundles/nsinit`.
To use `nsinit`, cd into a Linux rootfs and copy a `container.json` file into
the directory with your specified configuration. Environment, networking,
and different capabilities for the container are specified in this file.
+4 -4
View File
@@ -67,12 +67,12 @@ func generateProfile(out io.Writer) error {
data := &data{
Name: "docker-default",
}
if tunablesExists() {
if tuntablesExists() {
data.Imports = append(data.Imports, "#include <tunables/global>")
} else {
data.Imports = append(data.Imports, "@{PROC}=/proc/")
}
if abstractionsExists() {
if abstrctionsEsists() {
data.InnerImports = append(data.InnerImports, "#include <abstractions/base>")
}
if err := compiled.Execute(out, data); err != nil {
@@ -82,13 +82,13 @@ func generateProfile(out io.Writer) error {
}
// check if the tunables/global exist
func tunablesExists() bool {
func tuntablesExists() bool {
_, err := os.Stat("/etc/apparmor.d/tunables/global")
return err == nil
}
// check if abstractions/base exist
func abstractionsExists() bool {
func abstrctionsEsists() bool {
_, err := os.Stat("/etc/apparmor.d/abstractions/base")
return err == nil
}
@@ -1,7 +1,6 @@
package fs
import (
"fmt"
"strings"
"time"
@@ -42,10 +41,6 @@ func (s *FreezerGroup) Set(path string, cgroup *configs.Cgroup) error {
}
time.Sleep(1 * time.Millisecond)
}
case configs.Undefined:
return nil
default:
return fmt.Errorf("Invalid argument '%s' to freezer.state", string(cgroup.Freezer))
}
return nil
@@ -1,45 +0,0 @@
package fs
import (
"testing"
"github.com/docker/libcontainer/configs"
)
func TestFreezerSetState(t *testing.T) {
helper := NewCgroupTestUtil("freezer", t)
defer helper.cleanup()
helper.writeFileContents(map[string]string{
"freezer.state": string(configs.Frozen),
})
helper.CgroupData.c.Freezer = configs.Thawed
freezer := &FreezerGroup{}
if err := freezer.Set(helper.CgroupPath, helper.CgroupData.c); err != nil {
t.Fatal(err)
}
value, err := getCgroupParamString(helper.CgroupPath, "freezer.state")
if err != nil {
t.Fatalf("Failed to parse freezer.state - %s", err)
}
if value != string(configs.Thawed) {
t.Fatal("Got the wrong value, set freezer.state failed.")
}
}
func TestFreezerSetInvalidState(t *testing.T) {
helper := NewCgroupTestUtil("freezer", t)
defer helper.cleanup()
const (
invalidArg configs.FreezerState = "Invalid"
)
helper.CgroupData.c.Freezer = invalidArg
freezer := &FreezerGroup{}
if err := freezer.Set(helper.CgroupPath, helper.CgroupData.c); err == nil {
t.Fatal("Failed to return invalid argument error")
}
}
@@ -3,6 +3,7 @@
package systemd
import (
"bytes"
"fmt"
"io/ioutil"
"os"
@@ -217,7 +218,16 @@ func (m *Manager) Apply(pid int) error {
}
paths := make(map[string]string)
for sysname := range subsystems {
for _, sysname := range []string{
"devices",
"memory",
"cpu",
"cpuset",
"cpuacct",
"blkio",
"perf_event",
"freezer",
} {
subsystemPath, err := getSubsystemPath(m.Cgroups, sysname)
if err != nil {
// Don't fail if a cgroup hierarchy was not found, just skip this subsystem
@@ -246,21 +256,6 @@ func writeFile(dir, file, data string) error {
return ioutil.WriteFile(filepath.Join(dir, file), []byte(data), 0700)
}
func join(c *configs.Cgroup, subsystem string, pid int) (string, error) {
path, err := getSubsystemPath(c, subsystem)
if err != nil {
return "", err
}
if err := os.MkdirAll(path, 0755); err != nil && !os.IsExist(err) {
return "", err
}
if err := writeFile(path, "cgroup.procs", strconv.Itoa(pid)); err != nil {
return "", err
}
return path, nil
}
func joinCpu(c *configs.Cgroup, pid int) error {
path, err := getSubsystemPath(c, "cpu")
if err != nil {
@@ -280,11 +275,16 @@ func joinCpu(c *configs.Cgroup, pid int) error {
}
func joinFreezer(c *configs.Cgroup, pid int) error {
if _, err := join(c, "freezer", pid); err != nil {
path, err := getSubsystemPath(c, "freezer")
if err != nil {
return err
}
return nil
if err := os.MkdirAll(path, 0755); err != nil && !os.IsExist(err) {
return err
}
return ioutil.WriteFile(filepath.Join(path, "cgroup.procs"), []byte(strconv.Itoa(pid)), 0700)
}
func getSubsystemPath(c *configs.Cgroup, subsystem string) (string, error) {
@@ -312,15 +312,21 @@ func (m *Manager) Freeze(state configs.FreezerState) error {
return err
}
prevState := m.Cgroups.Freezer
m.Cgroups.Freezer = state
freezer := subsystems["freezer"]
err = freezer.Set(path, m.Cgroups)
if err != nil {
m.Cgroups.Freezer = prevState
if err := ioutil.WriteFile(filepath.Join(path, "freezer.state"), []byte(state), 0); err != nil {
return err
}
for {
state_, err := ioutil.ReadFile(filepath.Join(path, "freezer.state"))
if err != nil {
return err
}
if string(state) == string(bytes.TrimSpace(state_)) {
break
}
time.Sleep(1 * time.Millisecond)
}
m.Cgroups.Freezer = state
return nil
}
@@ -369,16 +375,29 @@ func getUnitName(c *configs.Cgroup) string {
// because systemd will re-write the device settings if it needs to re-apply the cgroup context.
// This happens at least for v208 when any sibling unit is started.
func joinDevices(c *configs.Cgroup, pid int) error {
path, err := join(c, "devices", pid)
path, err := getSubsystemPath(c, "devices")
if err != nil {
return err
}
devices := subsystems["devices"]
if err := devices.Set(path, c); err != nil {
if err := os.MkdirAll(path, 0755); err != nil && !os.IsExist(err) {
return err
}
if err := ioutil.WriteFile(filepath.Join(path, "cgroup.procs"), []byte(strconv.Itoa(pid)), 0700); err != nil {
return err
}
if !c.AllowAllDevices {
if err := writeFile(path, "devices.deny", "a"); err != nil {
return err
}
}
for _, dev := range c.AllowedDevices {
if err := writeFile(path, "devices.allow", dev.CgroupString()); err != nil {
return err
}
}
return nil
}
@@ -16,17 +16,6 @@ const (
NEWUSER NamespaceType = "NEWUSER"
)
func NamespaceTypes() []NamespaceType {
return []NamespaceType{
NEWNET,
NEWPID,
NEWNS,
NEWUTS,
NEWIPC,
NEWUSER,
}
}
// Namespace defines configuration for each namespace. It specifies an
// alternate path that is able to be joined via setns.
type Namespace struct {
@@ -140,9 +140,7 @@ func (c *linuxContainer) commandTemplate(p *Process, childPipe *os.File) (*exec.
cmd.SysProcAttr = &syscall.SysProcAttr{}
}
cmd.ExtraFiles = []*os.File{childPipe}
// NOTE: when running a container with no PID namespace and the parent process spawning the container is
// PID1 the pdeathsig is being delivered to the container's init process by the kernel for some reason
// even with the parent still running.
cmd.SysProcAttr.Pdeathsig = syscall.SIGKILL
if c.config.ParentDeathSignal > 0 {
cmd.SysProcAttr.Pdeathsig = syscall.Signal(c.config.ParentDeathSignal)
}
@@ -306,11 +304,5 @@ func (c *linuxContainer) currentState() (*State, error) {
for _, ns := range c.config.Namespaces {
state.NamespacePaths[ns.Type] = ns.GetPath(c.initProcess.pid())
}
for _, nsType := range configs.NamespaceTypes() {
if _, ok := state.NamespacePaths[nsType]; !ok {
ns := configs.Namespace{Type: nsType}
state.NamespacePaths[ns.Type] = ns.GetPath(c.initProcess.pid())
}
}
return state, nil
}
@@ -130,8 +130,7 @@ func TestGetContainerState(t *testing.T) {
{Type: configs.NEWNS},
{Type: configs.NEWNET, Path: expectedNetworkPath},
{Type: configs.NEWUTS},
// emulate host for IPC
//{Type: configs.NEWIPC},
{Type: configs.NEWIPC},
},
},
initProcess: &mockProcess{
+1 -2
View File
@@ -69,8 +69,7 @@ func newContainerInit(t initType, pipe *os.File) (initer, error) {
}, nil
case initStandard:
return &linuxStandardInit{
parentPid: syscall.Getppid(),
config: config,
config: config,
}, nil
}
return nil, fmt.Errorf("unknown init type %q", t)
@@ -9,7 +9,6 @@ import (
"testing"
"github.com/docker/libcontainer"
"github.com/docker/libcontainer/cgroups/systemd"
"github.com/docker/libcontainer/configs"
)
@@ -482,17 +481,6 @@ func TestProcessCaps(t *testing.T) {
}
func TestFreeze(t *testing.T) {
testFreeze(t, false)
}
func TestSystemdFreeze(t *testing.T) {
if !systemd.UseSystemd() {
t.Skip("Systemd is unsupported")
}
testFreeze(t, true)
}
func testFreeze(t *testing.T, systemd bool) {
if testing.Short() {
return
}
@@ -509,9 +497,6 @@ func testFreeze(t *testing.T, systemd bool) {
defer remove(rootfs)
config := newTemplateConfig(rootfs)
if systemd {
config.Cgroups.Slice = "system.slice"
}
factory, err := libcontainer.New(root, libcontainer.Cgroupfs)
if err != nil {
@@ -574,77 +559,3 @@ func testFreeze(t *testing.T, systemd bool) {
t.Fatal(s.String())
}
}
func TestContainerState(t *testing.T) {
if testing.Short() {
return
}
root, err := newTestRoot()
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(root)
rootfs, err := newRootfs()
if err != nil {
t.Fatal(err)
}
defer remove(rootfs)
l, err := os.Readlink("/proc/1/ns/ipc")
if err != nil {
t.Fatal(err)
}
config := newTemplateConfig(rootfs)
config.Namespaces = configs.Namespaces([]configs.Namespace{
{Type: configs.NEWNS},
{Type: configs.NEWUTS},
// host for IPC
//{Type: configs.NEWIPC},
{Type: configs.NEWPID},
{Type: configs.NEWNET},
})
factory, err := libcontainer.New(root, libcontainer.Cgroupfs)
if err != nil {
t.Fatal(err)
}
container, err := factory.Create("test", config)
if err != nil {
t.Fatal(err)
}
defer container.Destroy()
stdinR, stdinW, err := os.Pipe()
if err != nil {
t.Fatal(err)
}
p := &libcontainer.Process{
Args: []string{"cat"},
Env: standardEnvironment,
Stdin: stdinR,
}
err = container.Start(p)
if err != nil {
t.Fatal(err)
}
stdinR.Close()
defer p.Signal(os.Kill)
st, err := container.State()
if err != nil {
t.Fatal(err)
}
l1, err := os.Readlink(st.NamespacePaths[configs.NEWIPC])
if err != nil {
t.Fatal(err)
}
if l1 != l {
t.Fatal("Container using non-host ipc namespace")
}
stdinW.Close()
p.Wait()
}
@@ -68,14 +68,9 @@ func copyBusybox(dest string) error {
}
func newContainer(config *configs.Config) (libcontainer.Container, error) {
cgm := libcontainer.Cgroupfs
if config.Cgroups != nil && config.Cgroups.Slice == "system.slice" {
cgm = libcontainer.SystemdCgroups
}
factory, err := libcontainer.New(".",
libcontainer.InitArgs(os.Args[0], "init", "--"),
cgm,
libcontainer.Cgroupfs,
)
if err != nil {
return nil, err
+19 -29
View File
@@ -5,15 +5,13 @@ It is able to spawn new containers or join existing containers.
### How to build?
First add the `libcontainer/vendor` into your GOPATH. It's because libcontainer
vendors all its dependencies, so it can be built predictably.
First to add the `libcontainer/vendor` into your GOPATH. It's because something related with this [issue](https://github.com/docker/libcontainer/issues/210).
```
export GOPATH=$GOPATH:/your/path/to/libcontainer/vendor
```
Then get into the nsinit folder and get the imported file. Use `make` command
to make the nsinit binary.
Then get into the nsinit folder and get the imported file. Use `make` command to make the nsinit binary.
```
cd libcontainer/nsinit
@@ -21,8 +19,7 @@ go get
make
```
We have finished compiling the nsinit package, but a root filesystem must be
provided for use along with a container configuration file.
We have finished compiling the nsinit package, but a root filesystem must be provided for use along with a container configuration file.
Choose a proper place to run your container. For example we use `/busybox`.
@@ -31,37 +28,30 @@ mkdir /busybox
curl -sSL 'https://github.com/jpetazzo/docker-busybox/raw/buildroot-2014.11/rootfs.tar' | tar -xC /busybox
```
Then you may need to write a configuration file named `container.json` in the
`/busybox` folder. Environment, networking, and different capabilities for
the container are specified in this file. The configuration is used for each
process executed inside the container.
See the `sample_configs` folder for examples of what the container configuration
should look like.
Then you may need to write a configure file named `container.json` in the `/busybox` folder.
Environment, networking, and different capabilities for the container are specified in this file.
The configuration is used for each process executed inside the container
See the `sample_configs` folder for examples of what the container configuration should look like.
```
cp libcontainer/sample_configs/minimal.json /busybox/container.json
cd /busybox
```
You can customize `container.json` per your needs. After that, nsinit is
ready to work.
To execute `/bin/bash` in the current directory as a container just run the
following **as root**:
Now the nsinit is ready to work.
To execute `/bin/bash` in the current directory as a container just run the following **as root**:
```bash
nsinit exec --tty --config container.json /bin/bash
nsinit exec --tty /bin/bash
```
If you wish to spawn another process inside the container while your current
bash session is running, run the same command again to get another bash shell
(or change the command). If the original process (PID 1) dies, all other
processes spawned inside the container will be killed and the namespace will
be removed.
If you wish to spawn another process inside the container while your
current bash session is running, run the same command again to
get another bash shell (or change the command). If the original
process (PID 1) dies, all other processes spawned inside the container
will be killed and the namespace will be removed.
You can identify if a process is running in a container by looking to see if
`state.json` is in the root of the directory.
You can identify if a process is running in a container by
looking to see if `state.json` is in the root of the directory.
You may also specify an alternate root directory from where the `container.json`
file is read and where the `state.json` file will be saved.
You may also specify an alternate root place where
the `container.json` file is read and where the `state.json` file will be saved.
+1 -1
View File
@@ -13,7 +13,7 @@ func main() {
app.Version = "2"
app.Author = "libcontainer maintainers"
app.Flags = []cli.Flag{
cli.StringFlag{Name: "root", Value: "/var/run/nsinit", Usage: "root directory for containers"},
cli.StringFlag{Name: "root", Value: ".", Usage: "root directory for containers"},
cli.StringFlag{Name: "log-file", Value: "", Usage: "set the log file to output logs to"},
cli.BoolFlag{Name: "debug", Usage: "enable debug output in the logs"},
}
@@ -13,8 +13,7 @@ import (
)
type linuxStandardInit struct {
parentPid int
config *initConfig
config *initConfig
}
func (l *linuxStandardInit) Init() error {
@@ -86,10 +85,9 @@ func (l *linuxStandardInit) Init() error {
if err := pdeath.Restore(); err != nil {
return err
}
// compare the parent from the inital start of the init process and make sure that it did not change.
// if the parent changes that means it died and we were reparened to something else so we should
// just kill ourself and not cause problems for someone else.
if syscall.Getppid() != l.parentPid {
// Signal self if parent is already dead. Does nothing if running in a new
// PID namespace, as Getppid will always return 0.
if syscall.Getppid() == 1 {
return syscall.Kill(syscall.Getpid(), syscall.SIGKILL)
}
return system.Execv(l.config.Args[0], l.config.Args[0:], os.Environ())