Merge "Update the image-building documentation"
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@ -32,17 +32,13 @@ You can also copy it to ``/etc/kolla``. The default location is one of
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Guide
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=====
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In general, you will build images like this:
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::
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In general, images are built like this::
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kolla-build
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By default, the above command would build all images based on CentOS image.
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If you want to change the base distro image, add ``-b``:
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::
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The operator can change the base distro with the ``-b`` option::
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kolla-build -b ubuntu
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@ -53,51 +49,39 @@ There are following distros available for building images:
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- oraclelinux
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- ubuntu
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To push the image after building, add ``--push``:
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::
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To push the image after building, add ``--push``::
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kolla-build --push
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If you want to build only keystone image, use the following command:
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::
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It is possible to build only a subset of images by specifying them on the
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command line::
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kolla-build keystone
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In this case, the build script builds all images which name contains the
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'keystone' string along with their dependencies.
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If you want to build multiple images e.g. keystone and nova, use the following command:
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::
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Multiple names may be specified on the command line::
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kolla-build keystone nova
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``kolla-build`` uses ``kollaglue`` as default Docker namespace. This is
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controlled with the ``-n`` command line option. To push images to a dockerhub
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repository named ``mykollarepo``::
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``tools/build.py`` use ``kollaglue`` as default namespace. If you
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want to push images to your dockerhub, change the namespace like:
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kolla-build -n mykollarepo --push
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::
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kolla-build -n yourusername --push
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To push images to local registry, use ``--registry`` flag like the
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following command:
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::
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To push images to a local registry, use ``--registry`` flag::
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kolla-build --registry 172.22.2.81:4000 --push
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To trigger build.py to pull images from local registry,
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the Docker configuration needs to be modified. See
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`Docker Insecure Registry Config`_.
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To trigger the build script to pull images from a local registry, the Docker
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configuration needs to be modified. See `Docker Insecure Registry Config`_.
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The build configuration can be customised using a config file, the default
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The build configuration can be customized using a config file, the default
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location being one of ``/etc/kolla/kolla-build.conf`` or
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``etc/kolla/kolla-build.conf``. This file can be generated using the following
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command:
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::
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command::
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tox -e genconfig
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@ -109,9 +93,7 @@ One is ``binary``. Another is ``source``.
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The ``binary`` means that OpenStack will be installed from apt/yum.
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And the ``source`` means that OpenStack will be installed from source code.
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The default method of the OpenStack install is ``binary``.
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You can change it to ``source`` using the following command:
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::
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It can be changed to ``source`` using the ``-t`` option::
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kolla-build -t source
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@ -122,9 +104,7 @@ the ``local`` source type can point to either a directory containing the source
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code or to a tarball of the source. The ``local`` source type permits to make
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the best use of the docker cache.
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``etc/kolla/kolla-build.conf`` looks like:
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::
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``etc/kolla/kolla-build.conf`` looks like::
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[glance-base]
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type = url
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@ -147,36 +127,30 @@ To build RHEL containers, it is necessary to use the -i (include header)
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feature to include registration with RHN of the container runtime operating
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system. To obtain a RHN username/password/pool id, contact Red Hat.
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First create a file called rhel-include:
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::
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First create a file called rhel-include::
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RUN subscription-manager register --user=<user-name> --password=<password> \
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&& subscription-manager attach --pool <pool-id>
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Then build RHEL containers:
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::
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Then build RHEL containers::
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kolla-build -b rhel -i ./rhel-include
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Custom Repos
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============
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The build method allows you to build your containers from custom repos.
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The build method allows the operator to build containers from custom repos.
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The repos are accepted as a list of comma separated values and can be in
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the form of .repo, .rpm, or a url. See examples below.
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Update rpm_setup_config in /etc/kolla/kolla-build.conf:
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::
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Update rpm_setup_config in /etc/kolla/kolla-build.conf::
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rpm_setup_config = http://trunk.rdoproject.org/centos7/currrent/delorean.repo,http://trunk.rdoproject.org/centos7/delorean-deps.repo
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rpm_setup_config = http://trunk.rdoproject.org/centos7/currrent/delorean.repo,http://trunk.rdoproject.org/centos7/delorean-deps.repo
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If you are specifying a .repo file, each .repo file will need to exist in the
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same directory as the base Dockerfile (kolla/docker/base).
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::
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If specifying a .repo file, each .repo file will need to exist in the
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same directory as the base Dockerfile (kolla/docker/base)::
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rpm_setup_config = epel.repo,delorean.repo,delorean-deps.repo
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rpm_setup_config = epel.repo,delorean.repo,delorean-deps.repo
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Plugin Functionality
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====================
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@ -195,19 +169,16 @@ Kolla supports downloading pip installable archives as part of the build, which
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will then be picked up and installed in the relevant image.
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To instruct Kolla to use these, add a section to
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``/etc/kolla/kolla-build.conf`` in the following format:
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::
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``/etc/kolla/kolla-build.conf`` in the following format::
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[<image>-plugin-<plugin-name>]
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Where, ``<image>`` is the image that the plugin should be installed into, and
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``<plugin-name>`` is an identifier of your choice.
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Where ``<image>`` is the image that the plugin should be installed into, and
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``<plugin-name>`` is the chosen plugin identifier.
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For example, to install the Cisco L2 plugin for Neutron into the neutron-server
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image, one would add the following block to ``/etc/kolla/kolla-build.conf``:
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::
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image, the operator would add the following block to
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``/etc/kolla/kolla-build.conf``::
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[neutron-server-plugin-networking-cisco]
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type = git
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@ -244,9 +215,7 @@ when images are not found in local caches.
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Setting up Docker Local Registry
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--------------------------------
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Running Docker registry is easy. Just use the following command:
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::
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Running Docker registry is easy. Just use the following command::
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docker run -d -p 4000:5000 --restart=always --name registry registry
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@ -271,9 +240,7 @@ to ``--insecure-registry 172.22.2.81:4000`` in ``/etc/sysconfig/docker``.
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And restart the docker service.
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To build and push images to local registry, use the following command:
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::
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To build and push images to local registry, use the following command::
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kolla-build --registry 172.22.2.81:4000 --push
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@ -302,32 +269,24 @@ not possible to drop the info completely using this method; it will still be
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visible in the layers of the image.
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To use this feature, create a file called ``.header``, with the following
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content for example:
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::
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content for example::
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ENV http_proxy=https://evil.corp.proxy:80
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ENV https_proxy=https://evil.corp.proxy:80
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Then create another file called ``.footer``, with the following content:
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::
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Then create another file called ``.footer``, with the following content::
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ENV http_proxy=""
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ENV https_proxy=""
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Finally, pass them to the build script using the ``-i`` and ``-I`` flags:
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::
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Finally, pass them to the build script using the ``-i`` and ``-I`` flags::
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kolla-build -i .header -I .footer
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Besides this configuration options, the script will automatically read these
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environment variables. If the host system proxy parameters match the ones
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going to be used, no other input parameters will be needed. These are the
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variables that will be picked up from the user env:
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::
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variables that will be picked up from the user env::
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HTTP_PROXY, http_proxy, HTTPS_PROXY, https_proxy, FTP_PROXY,
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ftp_proxy, NO_PROXY, no_proxy
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