diff --git a/docs/sources/contributing/devenvironment.rst b/docs/sources/contributing/devenvironment.rst index 564d6f6580..8d95b7ca1c 100644 --- a/docs/sources/contributing/devenvironment.rst +++ b/docs/sources/contributing/devenvironment.rst @@ -3,7 +3,7 @@ :keywords: Docker, documentation, developers, contributing, dev environment Setting Up a Dev Environment -============================ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ To make it easier to contribute to Docker, we provide a standard development environment. It is important that the same environment be @@ -12,11 +12,11 @@ environment defines all build dependencies: system libraries and binaries, go environment, go dependencies, etc. -Step 1: install docker +Step 1: Install Docker ---------------------- Docker's build environment itself is a Docker container, so the first -step is to install docker on your system. +step is to install Docker on your system. You can follow the `install instructions most relevant to your system `_. Make sure you have @@ -24,40 +24,109 @@ a working, up-to-date docker installation, then continue to the next step. -Step 2: check out the source +Step 2: Check out the Source ---------------------------- -:: +.. code-block:: bash git clone http://git@github.com/dotcloud/docker cd docker +To checkout a different revision just use ``git checkout`` with the name of branch or revision number. -Step 3: build -------------- -When you are ready to build docker, run this command: +Step 3: Build the Environment +----------------------------- -:: +This following command will build a development environment using the Dockerfile in the current directory. Essentially, it will install all the build and runtime dependencies necessary to build and test Docker. This command will take some time to complete when you first execute it. + +.. code-block:: bash sudo docker build -t docker . -This will build the revision currently checked out in the -repository. Feel free to check out the version of your choice. - -If the build is successful, congratulations! You have produced a clean -build of docker, neatly encapsulated in a standard build environment. - -You can run an interactive session in the newly built container: - -:: - - sudo docker run -i -t docker bash -To extract the binaries from the container: +If the build is successful, congratulations! You have produced a clean build of docker, neatly encapsulated in a standard build environment. -:: - sudo docker run docker sh -c 'cat $(which docker)' > docker-build && chmod +x docker-build +Step 4: Build the Docker Binary +------------------------------- +To create the Docker binary, run this command: + +.. code-block:: bash + + sudo docker run -lxc-conf=lxc.aa_profile=unconfined -privileged -v `pwd`:/go/src/github.com/dotcloud/docker docker hack/make.sh binary + +This will create the Docker binary in ``./bundles/-dev/binary/`` + + +Step 5: Run the Tests +--------------------- + +To run the Docker test cases you first need to disable `AppArmor `_ using the following commands + +.. code-block:: bash + + sudo /etc/init.d/apparmor stop + sudo /etc/init.d/apparmor teardown + +To execute the test cases, run this command: + +.. code-block:: bash + + sudo docker run -lxc-conf=lxc.aa_profile=unconfined -privileged -v `pwd`:/go/src/github.com/dotcloud/docker docker hack/make.sh test + + +If the test are successful then the tail of the output should look something like this + +.. code-block:: bash + + --- PASS: TestWriteBroadcaster (0.00 seconds) + === RUN TestRaceWriteBroadcaster + --- PASS: TestRaceWriteBroadcaster (0.00 seconds) + === RUN TestTruncIndex + --- PASS: TestTruncIndex (0.00 seconds) + === RUN TestCompareKernelVersion + --- PASS: TestCompareKernelVersion (0.00 seconds) + === RUN TestHumanSize + --- PASS: TestHumanSize (0.00 seconds) + === RUN TestParseHost + --- PASS: TestParseHost (0.00 seconds) + === RUN TestParseRepositoryTag + --- PASS: TestParseRepositoryTag (0.00 seconds) + === RUN TestGetResolvConf + --- PASS: TestGetResolvConf (0.00 seconds) + === RUN TestCheckLocalDns + --- PASS: TestCheckLocalDns (0.00 seconds) + === RUN TestParseRelease + --- PASS: TestParseRelease (0.00 seconds) + === RUN TestDependencyGraphCircular + --- PASS: TestDependencyGraphCircular (0.00 seconds) + === RUN TestDependencyGraph + --- PASS: TestDependencyGraph (0.00 seconds) + PASS + ok github.com/dotcloud/docker/utils 0.017s + + + + +Step 6: Use Docker +------------------- + +You can run an interactive session in the newly built container: + +.. code-block:: bash + + sudo docker run -privileged -i -t docker bash + + # type 'exit' to exit + + + +.. note:: The binary is availalbe outside the container in the directory ``./bundles/-dev/binary/``. + + +**Need More Help?** + +If you need more help then hop on to the `#docker-dev IRC channel `_ or post a message on the `Docker developer mailinglist `_.