Correct TarSum benchmarks: 9kTar and 9kTarGzip

These two cases did not actually read the same content with each iteration
of the benchmark. After the first read, the buffer was consumed. This patch
corrects this by using a bytes.Reader and seeking to the beginning of the
buffer at the beginning of each iteration.

Unfortunately, this benchmark was not actually as fast as we believed. But
the new results do bring its results closer to those of the other benchmarks.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
Update libcontainer to 53eca435e63db58b06cf796d3a9

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Note that using -lxc-conf to change things Docker manages has pitfalls

Signed-off-by: Sven Dowideit <SvenDowideit@docker.com>

Docker-DCO-1.1-Signed-off-by: Sven Dowideit <SvenDowideit@docker.com> (github: SvenDowideit)
Correctly close generated benchmark archives

Another update to TarSum tests, this patch fixes an issue where
the benchmarks were generating archives incorrectly by not closing
the tarWriter.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
Fix interactive exec over TLS

The code no longer assumes a net.TCPConn underlying the HTTP connection
in order to close attached streams.

Signed-off-by: Arnaud Porterie <arnaud.porterie@docker.com>
Make 'docker build' send non-err output to stdout

Right now 'docker build' will send:
   Sending build context to Docker daemon
to stderr, instead of stdout.  This PR fixes that.

I looked in the rest of api/client/commands.go for other cases
that might do this and only one jumped out at me:
  https://github.com/docker/docker/blob/master/api/client/commands.go#L2202
but I think if I changed that to go to stdout then it'll mess people up
who are expecting just the container ID to be printed to the screen and
there is no --quiet type of flag we can check.

Closes #9404

Signed-off-by: Doug Davis <dug@us.ibm.com>
I was talking to someone whom i listen to, and she noted that our docs don't mention the license

Signed-off-by: Sven Dowideit <SvenDowideit@home.org.au>
Merge pull request #9528 from SvenDowideit/add-license-to-docs

Add Apache license and link to the docs
Merge pull request #9493 from SvenDowideit/note-lxc-conf-pitfall

Note that using -lxc-conf to change things Docker manages has pitfalls
Merge pull request #9488 from crosbymichael/update-libcontainer-dec3

Update libcontainer to 53eca435e63db58b06cf796d3a9
Return docker's root dir in docker -D info

This adds the docker daemon's root directory to docker info when running
in debug mode.  This allows the user to view the root directory where
docker is writing and storing state.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
Merge pull request #9479 from jlhawn/tarsum_test_fix

Correct TarSum benchmarks: 9kTar and 9kTarGzip
Removed race condition
If two interrupts were fired really quickly interruptCount could have been incremented twice before the LoadUint32 making cleanup not being called at all.

Signed-off-by: Erik Dubbelboer <erik@dubbelboer.com>
Merge pull request #9543 from ErikDubbelboer/racefix

Removed race condition
Merge pull request #9497 from icecrime/86580-tls_interactive_exec

Fix interactive exec over TLS
Merge pull request #9489 from crosbymichael/info-root

Return docker's root dir in docker -D info
Merge pull request #9512 from duglin/Issue9404

Make 'docker build' send non-err output to stdout
Running a container that links to a container with --net host
should throw an error.

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)
Merge pull request #9567 from jfrazelle/8333-net-link-error

Throw error when container links to --net host container
Create network namespace for each container on create

Signed-off-by: Alexander Morozov <lk4d4@docker.com>