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.. _Layered-Build:
=======================
Layered Build Reference
=======================
What is build layering?
-----------------------
Build layering is a feature to accelerate development within StarlingX.
A StarlingX build takes hours and produces hundreds of packages. However
90+% of all work within StarlingX occurs within a much smaller set of
top level packages. The remaining packages are largely small patches
upon an underlying distribution like CentOS, and change only
infrequently. If they change infrequently, why make everyone compile
them?
So we have partitioned the build into layers:
1. compiler = Low level build tools. Compilers, scripting languages, packaging tools.
2. distro = A modified CentOS plus other third party packages, e.g. ceph, openstack ...
3. flock = Packages unique to StarlingX. This is where we expect most folk to work.
We have tried to keep the changes to the old build system minimal,
particularly for the most common use case of a developer at the flock
layer. Things get slightly more complicated when work on a lower layer
is required.
Do I have to use a layered build?
---------------------------------
A qualified no. If you continue to use the default manifest, and don't
specify a layer via command line option or environment variable, you
will continue to build all packages across all layers in a single step.
This will be a tempting option for folk doing work on lower layers, and
still needing to build an ISO for test.
There is a limitation to this approach. If you are making lst file
changes, you might get away with placing your new required packages in
the wrong layer's lst file. Building all layers in one pass won't catch
this. So when your update includes lst file changes, you should verify
with a layered build or builds.
What has changed?
-----------------
**1) Download the software for a layer via manifest**
The manifest repo now has three new manifests in addition to
'default.xml'. They are 'compiler.xml', 'distro.xml' and 'flock.xml'.
There is also a 'common.xml', a place for content that must always be
included no matter what layer you are working on. the 'default.xml' is
retained as a way to download all StarlingX software.
Downloading the flock layer for the master branch looks like this... ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
**2) Environment variables**
Two new environment variables are available, 'LAYER' and
'STX_CONFIG_DIR'.
I strongly encourage you to set the 'LAYER' environment variable.
Otherwise you'll need to pass a layer argument into most commands that
do any sort of downloading or building.
The second environment variable, ``'STX_CONFIG_DIR'``, can safely be left
blank for most use cases. The default is to use
``stx-tools/centos-mirror-tools/config``, which is what you want. When might
you want to define ``STX_CONFIG_DIR``? Possibly when working on a major
change in the lower layer, such as the cutover to a newer OS version. Or
perhaps when redefining the set of layers, or the boundary between layers. In
these cases it might be very painful to repo sync due to conflicts. It
might be desirable to copy ``stx-tools/centos-mirror-tools/config`` outside
of git for a time, and make your changes there. More on the config
directory below.
e.g. ::
export LAYER=flock
For containerized build, the norm, the environment variables are passed
in via your localrc. Add the LAYER value there.::
cat stc-tools/localrc
PROJECT=myproject-flock
HOST_PREFIX=""
LAYER=flock
**3) Controlling the download of dependencies. aka yum repos and 'lst' files**
The lst files that used to govern the download of rpms and tarballs have
been moved and split.
The old location was ``stx-tools/centos-mirror-tools/`` with files like: ::
rpms_centos.lst
rpms_centos3rdparties.lst
rpms_3rdparties.lst
tarball-dl.lst
other_downloads.lst
The new location depends on the file type to be downloaded.
**a) src.rpm**
The lst files are both relocated and renamed with the os name as a
prefix, and 'srpm' rather than 'rpm'.
e.g. ::
rpms_centos.lst -> centos_srpms_centos.lst
rpms_centos3rdparties.lst -> centos_srpms_centos3rdparties.lst
rpms_3rdparties.lst -> centos_srpms_3rdparties.lst
These files are placed in the root of the git where they are referenced.
e.g. Within the 'integ' git, we recompile 'libvirt-python' based on a
fedora-core src.rpm. Since fedora is not CentOS, nor is it a
3\ :sup:`rd` party package explicitly intended for CentOS, we'll place
it in centos_srpms_3rdparties.lst found in the 'integ' subdirectory. ::
cat cgcs-root/stx/integ/centos_srpms_3rdparties.lst
libvirt-python-4.7.0-1.fc28.src.rpm#https://libvirt.org/sources/python/libvirt-python-4.7.0-1.fc28.src.rpm
...
**b) tarballs**
The lst file is both relocated and renamed with the os name as a prefix.
e.g. tarball-dl.lst -> centos_tarball-dl.lst
These files are placed in the root of the git where they are referenced.
e.g. Within the 'integ' git, we compile 'blkin' from a tarball. ::
cat cgcs-root/stx/integ/centos_tarball-dl.lst
blkin-f24ceec055ea236a093988237a9821d145f5f7c8.tar.gz#blkin#https://api.github.com/repos/ceph/blkin/tarball/f24ceec055ea236a093988237a9821d145f5f7c8#https##
...
**c) rpm**
The lst files for binary rpms remain in the stx-tools git, but are
divided based on layer, and are relocated under an os and layer specific
directory. The path will be: ::
stx-tools/centos-mirror-tools/config/<os>/<layer>
e.g. for the flock layer ::
ls stx-tools/centos-mirror-tools/config/centos/flock/*lst
other_downloads.lst
rpms_3rdparties.lst
rpms_centos3rdparties.lst
rpms_centos.lst
There is one special virtual layer called 'mock' where rpms required to
construct a mock build environment are placed. These rpms are
automatically included for all layers.
Add an rpm to a layer package list if:
- It is required to build the layer.
- It is required to build the iso
Do not add the rpm to a layer package list if:
- It is built by a lower layer
- It is already listed in the virtual 'mock' layer.
When adding a package to a layer package list, check if any other layer
is including the same package. It's ok for two layers to require the
same package, but they should require the same version of that package.
**d) rpm from a lower layer of the STX layered build**
These are automatically downloaded for you, based on the configuration
found in
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/required_layer_pkgs.cfg'``.
The default config is to pull content from the most recent official
build. You shouldn't have to touch this file.
**e) yum repositories**
You should continue to use ``'stx-tools/centos-mirror/yum.repos.d'`` as the
place to define new yums repos for downloading non-StarlingX rpms.
You may notice that there are also yum directories found at
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/yum.repos.d'``. These
are only intended to refer to StarlingX official build rpms. You
probably should NOT be touching these unless you are creating a new
branch, layer or os.
Controlling the package content of the ISO
------------------------------------------
Only the flock layer is capable of building an ISO.
ISO image content used to be defined exclusively by the files: ::
cgcs-root/build-tools/build_iso/image.inc
cgcs-root/build-tools/build_iso/minimal_rpm_list.txt
These files continue to be used, but should not include packages that we
build.
Packages that we build, and supply a top level command or service.
should be listed in the ``'<os>_iso_image.inc'`` file. The file is located
at the root of the git where the package is found.
e.g. qemu-kvm-ev is compiled from the 'integ' git repo, so it is found
in ... ::
cat cgcs-root/stx/integ/centos_iso_image.inc
...
# qemu-kvm-ev
qemu-kvm-ev
qemu-img-ev
qemu-kvm-tools-ev
...
Only packages supplying top level commands and services need be listed.
Dependencies do NOT need to be listed. They will be resolved
automatically.
The image inc files of lower layer are automatically pulled in and made
available to the flock layer when build-iso is run. This is governed by
the
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/required_layer_iso_inc.cfg'``
config file. You shouldn't have to touch this file.
How do I use build layering?
----------------------------
Lets address this one scenario at a time.
**A flock layer developer ... a simple change ... no packaging
changes.**
Very little has changed. The populate_download step might be a bit
slower as you'll be picking up rpms from lower layer builds, but this is
mostly a pain to be suffered on the first build attempt. Once locally
cached, subsequent downloads should be fast. The build-pkgs step should
be much faster. ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
repo sync
...
export LAYER=flock
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
cd /stx-tools/centos-mirror-tools
download_mirror.sh -c ./yum.conf.sample -n -g
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-iso
**A distro layer developer ... a simple change ... no packaging
changes.**
Assuming you can test your changes by patching in new rpms (no ISO build
required), then it's just ... ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m distro.xml
repo sync
...
export LAYER=distro
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
# build-iso can't be run from this layer
**A compiler layer developer ... a simple change ... no packaging
changes.**
Assuming you can test your changes by patching in new rpms (no ISO build
required), then it's just ... ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m compiler.xml
repo sync
...
export LAYER=compiler
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
# build-iso can't be run from this layer
**Cross layer development.**
e.g. A kernel developer adding a new or updated driver required at
install time. This is a cross layer build exercise. The kernel and it's
drivers are a distro layer component, but the installer and ISO are
built from the flock layer.
Set up an independent build environment for each layer.
1) distro environment
::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m distro.xml
repo sync
...
export LAYER=distro
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
2) flock environment
::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
repo sync
...
export LAYER=flock
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
At this stage you must point the flock layer to pick up your custom
distro layer content. The location of lower layer content is encoded
in config files found under ``stx-tools/centos-mirror-tools/config/<os>/<layer-to-build>``
in files ``required_layer_pkgs.cfg`` and ``required_layer_iso_inc.cfg``.
Both files use a comma seperated three field lines... ``<lower-layer>,<type>,<url>``
e.g. ::
cat stx-tools/centos-mirror-tools/config/centos/flock/required_layer_pkgs.cfg
compiler,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/RPMS/std/rpm.lst
distro,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/std/rpm.lst
distro,rt,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/rt/rpm.lst
distro,installer,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/installer/rpm.lst
cat stx-tools/centos-mirror-tools/config/centos/flock/required_layer_iso_inc.cfg
compiler,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image.inc
compiler,dev,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image-dev.inc
distro,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/image.inc
distro,dev,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/image-dev.inc
To use your lower layer build, you must edit the config in the upper layer build.
You must replace the url field for the relevant lines to point to your own build using the ``fill:///`` syntax.
e.g. To use a 'distro' build compiled under ``PROJECT=<my-project>-distro``
::
distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc
How to make the changes ...
Option a) Edit the config files in place. Do not submit this change!!!
Using option 'b' (see below) would be safer.
::
vi stx-tools/centos-mirror-tools/config/centos/flock/required_layer_pkgs.cfg \\
stx-tools/centos-mirror-tools/config/centos/flock/required_layer_iso_inc.cfg
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
Option b) Use an alternative config directory.
Copy the default config to an alternative directory outside of git,
but still visible to the build. In the copied config, edit the config files,
replacing the existing 'distro' url's with ``file:///`` urls. Finally
instruct the build to use the alternate config. I'll use the
environment variable method in the example below. It can also be done
with command line arguments.
::
cp -r stx-tools/centos-mirror-tools/config config.tmp
export STX_CONFIG_DIR=$PWD/config.tmp
...
echo “STX_CONFIG_DIR=$STX_CONFIG_DIR” >> stx-tools/localrc
...
vi config.tmp/centos/flock/required_layer_pkgs.cfg \\
config.tmp/centos/flock/required_layer_iso_inc.cfg
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
Option c) supply command line arguments to ``populate_downloads.sh`` and
``generate-local-repo.sh`` overriding the urls directly ::
download_mirror.sh \\
-L distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
-L distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
-L distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
-I distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
-I distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh \\
--layer-pkg-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
--layer-inc-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
--layer-inc-url=distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc \\
/import/mirrors/CentOS/stx/CentOS/
Now resume building, but this time we'll roll our own installer ::
build-pkgs
update-pxe-network-installer
This script creates three files on
``/localdisk/loadbuild/<my-project>-flock/pxe-network-installer/output``. ::
new-initrd.img
new-squashfs.img
new-vmlinuz
Rename the files as follows: ::
initrd.img
squashfs.img
vmlinuz
Finally ... ::
build-pkgs --clean pxe-network-installer
build-pkgs pxe-network-installer
build-iso
Making packaging changes
------------------------
**In what layer should I place my new compiled package ?**
If the package is original content, written for the StarlingX project, it
belongs in the 'flock' layer. Yes, envision a flock of starling, might
be corny but that is what we named it. All other content is considered
third party and goes in either the 'distro' or 'compiler' layer.
If it's a core component of a programming or packaging language, a build
or packaging tool. It belongs in the the compiler layer. We expect this
layer to change only very rarely.
All other third party content goes in the 'distro' layer. In it you will
find everything from patches CentOS packages, the kernel and drivers,
ceph, openstack components and much more.
**Location of new repo manifest entries?**
If a new git repo is required, add it to BOTH the default and layer
specific manifests.
**Location of yum repo changes ?**
Hopefully we aren't often adding new yum repos. If required, add it to
``'stx-tools/centos-mirror/yum.repos.d'`` and NOT to
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/yum.repos.d'``.
**Location of 'lst' file changes ?**
If the package to be added is derived from a third party tarball or
src.rpm, add it to the lst files at the root of the git where the
compile directives (spec file, build_srpm.data etc) will live. You'll be
adding to one of .... ::
centos_srpms_3rdparties.lst
centos_srpms_centos3rdparties.lst
centos_srpms_centos.lst
centos_tarball-dl.lst
...as appropriate.
The package's 'BuildRequires' , as well as the transitive Requires of
those BuildRequires, should be added to a lst file under
``stx-tools/centos-mirror-tools/config/<os>/<layer>``. e.g. one of... ::
rpms_3rdparties.lst
rpms_centos3rdparties.lst
rpms_centos.lst
...as appropriate.
If the package will be installed to iso, the package's 'Requires' as
well as the transitive Requires of those Requires, should be added to a
lst file under ``stx-tools/centos-mirror-tools/config/<os>/flock``. Yes I
said 'flock, and not <layer>, because the ISO is build from the flock
layer.
Figuring out the transitive list of a package can be a challenge. For
centos packages, my suggestion is to fire up a separate centos container
of the correct vintage, and try running ... ::
repoquery --requires --resolve --recursive \\
--qf='%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}.rpm' <package>
... otherwise you may have to resort to a several build iterations, and
fixing what breaks each time.
The set of rpms suggested by the above method will likely list packages
already in your lst file. If the same version, no action required. If a
lower version, then you probably want to update the version to the newer
package. Check if the package is listed for a lower layer lst file, and
update it there as well.
If the rpm suggested by the above method does not exist, check if we are
building it within StarlingX. If so, don't list it in a lst file.
If not listed, and we don't build it, then add it.
**Including a package in the iso?**
Add you new compile package to the ``<os>_iso_image.inc`` file at the root
of the git where the compile directives for your new package live.
Packages obtained from the host os (e.g. CentOS) have traditionally gone
in ``'cgcs-root/build-tools/build_iso/image.inc'``, and we can continue with
this practice for now, however it will likely become a barrier to an iso
build from the distro layer alone. Considering this, I probably wouldn't
object to a host os service or binary being listed in a git's
``<os>_iso_image.inc``. A better place for it might be
``stx-tools/centos-mirror-tools/config/<os>/<layer>/image.inc``, but this
isn't yet supported.

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==========================
分层构建 "(Layered Build)"
==========================
.. note::
由于StarlingX没有翻译组，因此可能无法积极的维护本指导文档。如果您对翻译指导文档感兴趣，请联系
`StarlingX文档团队 <https://wiki.openstack.org/wiki/StarlingX/Docs_and_Infra>`_。
This guide may not be actively maintained because StarlingX does not have a translation project.
If you are interested in translating guides, please contact the
`StarlingX docs team <https://wiki.openstack.org/wiki/StarlingX/Docs_and_Infra>`_.
什么是分层构建？
-----------------------
分层构建是 StarlingX为提高内部研发效率，而设计的一种构建方法。
在此之前，构建一个 StarlingX系统需要耗费几个小时，并生成数百个软件包。Starlingx 90%+ 的工作都在于
对上层的众多package包的维护和开发，剩下的的package包多是发行版(如CentOS)所必须的，而这些package是很少会变化的。
如果这些不经常更改，那么为什么每个人都要编译它？
所以我们把构建分成了几个层级:
1. compiler = 低层的构建工具层。如：编译器工具，脚本语言工具，打包工具等。
2. distro = 一个修改过的 CentOS系统 加上其他第三方软件包，比如 ceph，openstack...
3. flock = StarlingX特有的软件包。这是我们希望大多数人工作的地方。
4. containers = StarlingX特有的容器化软件包。
对于在flock层开发的人员来说，构建过程和旧的编译系统(full build)差别不大。而对于在compiler和distro做开发的人员，
layered build构建过程会稍微复杂一些。
我必须使用分层的构建吗？
---------------------------------
不一定。如果使用default manifest，且不使用命令行或者环境变量去指定编译特定的层，那么执行编译命令后，
仍然会编译所有的层次中的各个package。对于在compiler和distro layer开发，或者需要获取完整的ISO镜像用于测试，
可以采用这种方式构建。
Full build (使用default manifest) 有一些局限性。如对于lst文件，错误的将该层需要的包名填写到了另外一层的lst文件中。
Full build是可以正确编译的，无法发现这个依赖问题。所以对lst文件的修改，是需要使用layer build构建和验证的。
发生了哪些变化？
-----------------
**1) 通过 manifest 下载指定层的软件包**
配置库除了'default.xml'之外还有四个新的配置项。它们是'compiler.xml'，'distro.xml'，'flock.xml'和'containers.xml'。
还有一个'common.xml' 共通配置表，无论您在那个层上进行构建，这共通配置表都会被包含在其构建中。目前还是保留了'default.xml'
作为下载所有 StarlingX 软件包的方式。
在主分支上进行下载flock layer内容，参照以下步骤... ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
**2) 环境变量**
新增加了两个环境变量，'LAYER' 和 'STX_CONFIG_DIR'。
强烈建议您配置'LAYER'这个环境变量。否则，您在执行任何类型的下载或构建过程中,许多命令操作会提示您需传递一个layer参数。
第二个环境变量``'STX_CONFIG_DIR'``,在大多数情况下是可以不进行配置的。默认是使用``stx-tools/centos-mirror-tools/config``
这个路径， 这是默认的配置路径信息。什么时候需要定义``STX_CONFIG_DIR``？ 可能在主要处理较低层的更改时，比如切换较新的操作系统版本。
或者重新定义多工作层的集合，或者各工作层的衔接。在这些情况下，由于内容冲突导致repo sync可能会非常痛苦。可能需要复制
``stx-tools/centos-mirror-tools/config`` 路径的内容到git管理之外一段时间然后进行修改。关于config目录以下有一些详述。
例如： ::
export LAYER=flock
在容器的构建环境下，标准的配置以及环境变量都是通过 localrc 传入到构建环境里的。比如添加 LAYER 值 ::
cat stc-tools/localrc
PROJECT=myproject-flock
HOST_PREFIX=""
LAYER=flock
**3) 控制依赖文件的下载，即 yum repos 和 lst 文件**
原有的用于管理rpm和tarballs下载的lst文件已经被移动和拆分成多个。
旧的位置是 ``stx-tools/centos-mirror-tools/``，其包含的文件如下: ::
rpms_centos.lst
rpms_centos3rdparties.lst
rpms_3rdparties.lst
tarball-dl.lst
other_downloads.lst
新的lst文件位置取决于其要下载的文件类型。
**a) src.rpm**
lst文件被重新定位并重命名。其前缀采用了'操作系统名' + 'srpm'，而不再使用'rpm'。
例如： ::
rpms_centos.lst -> centos_srpms_centos.lst
rpms_centos3rdparties.lst -> centos_srpms_centos3rdparties.lst
rpms_3rdparties.lst -> centos_srpms_3rdparties.lst
Src rpm相关lst文件放在git仓库根目录下。
例如，在'integ' git 中，我们基于 fedora-core src.rpm 重新编译'libvirt-python'。 该libvirt-python不是
CentOS需要的第三方包，所以我们将它记录在'integ'子目录中的 centos_srpms_3rdparties.lst文件中。 ::
cat cgcs-root/stx/integ/centos_srpms_3rdparties.lst
libvirt-python-4.7.0-1.fc28.src.rpm#https://libvirt.org/sources/python/libvirt-python-4.7.0-1.fc28.src.rpm
...
**b) tarballs**
lst文件同时被重新定位和重命名，并以操作系统名作为前缀。
例如，tarball-dl.lst -> centos_tarball-dl.lst
Tarball相关lst文件放在git仓库根目录下。
例如，在'integ' git 中，我们从tarball中编译'blkin'。 ::
cat cgcs-root/stx/integ/centos_tarball-dl.lst
blkin-f24ceec055ea236a093988237a9821d145f5f7c8.tar.gz#blkin#https://api.github.com/repos/ceph/blkin/tarball/f24ceec055ea236a093988237a9821d145f5f7c8#https##
...
**c) rpm**
对于记录二进制rpm包的lst文件，将其保留在了 stx-tools git 中，但是基于不同的工作层，将其划分并重新定位到
<os>/<layer>特定的目录中，路径如下: ::
stx-tools/centos-mirror-tools/config/<os>/<layer>
例如flock层 ::
ls stx-tools/centos-mirror-tools/config/centos/flock/*lst
other_downloads.lst
rpms_3rdparties.lst
rpms_centos3rdparties.lst
rpms_centos.lst
有一个称为'mock'的特殊虚拟层，其中放置了构建模拟构建环境所需的 rpm。 这些rpm自动包含在所有工作层中。
什么情况下需要添加一个 rpm 到一个层的包列表中：
- 这个rpm被构建的层所需要。
- 这个rpm被构建的ISO所需要。
什么情况下不要将 rpm 添加到工作层的包列表中：
- 它是由较低的工作层所构建的。
- 它已经在虚拟的'mock'层所列出。
在向工作层的包列表中添加包时，检查是否有其他工作层包含了相同的包。在两个层中，含有相同的软件包是可以的，
但是他们需要具有相同的软件包版本。
**d) 从STX较低的工作层获取 rpm包**
基于``'stx-tools/centos-mirror-tools/config/<os>/<layer>/required_layer_pkgs.cfg'`` 中的配置，
其可以为您自动下载这些包文件。 默认的配置是从最新的官方版本中获取包文件，您无需修改此文件。
**e) yum repositories**
可以继续使用``'stx-tools/centos-mirror/yum.repos.d'`` 目录，作为yum源去下载非Starlingx的rpm包。
您可能也注意到在``'stx-tools/centos-mirror-tools/config/<os>/<layer>/yum.repos.d'`` 中也可以找到一些 yum 目录。
这些只是为了引用 StarlingX官方构建的 rpms。大部分情况下不用修改这些文件，除非你正在构建一个新的分支，工作层或操作系统。
控制构建ISO的包内容
------------------------------------------
只有flock层能够建立一个ISO。
ISO镜像内容完全由文件来定义： ::
cgcs-root/build-tools/build_iso/image.inc
cgcs-root/build-tools/build_iso/minimal_rpm_list.txt
构建依赖的包信息不在以上文件中。
构建依赖的包应该列在``'<os>_iso_image.inc'`` 这个文件，其位于你所看到的git库的根目录中。
例如，qemu-kvm-ev 是由'integ' git repo 编译的，所以它可以在 ::
cat cgcs-root/stx/integ/centos_iso_image.inc
...
# qemu-kvm-ev
qemu-kvm-ev
qemu-img-ev
qemu-kvm-tools-ev
...
只需要列出构建依赖的包名，包之间的依赖关系不需要列出，依赖会被自动解决。
当 build-iso 运行时，底层的镜像文件会自动下载，并提供给flock工作层。 这是由
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/required_layer_iso_inc.cfg'``
这个配置文件所控制的，你不应该修改这个配置文件。
如何使用分层构建？
----------------------------
让我们依次解决这些问题。
**工作在flock layer... 一个简单的改变... 没有包的变化。**
当非常小的修改时，因为首次您需要从较低的层次构建中获取rpm，下载步骤可能会稍微慢一点，所以说在第一次尝试构建时是最痛苦的。
一旦本地有了缓存，后续的下载应该很快。构建 pkgs 步骤应该快得多。 ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
repo sync
...
export LAYER=flock
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
cd /stx-tools/centos-mirror-tools
download_mirror.sh -c ./yum.conf.sample -n -g
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-iso
**工作在distro layer... 一个简单的改变... 没有包的改变。**
假设您可以通过打补丁到新的 rpm (不需要 ISO 构建)来测试您的更改，那么..。 ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m distro.xml
repo sync
...
export LAYER=distro
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
# build-iso can't be run from this layer
**工作在compiler layer... 一个简单的修改... 没有包的修改。**
假设您可以通过打补丁新的 rpm (不需要 ISO 构建)来测试您的更改，那么..。 ::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m compiler.xml
repo sync
...
export LAYER=compiler
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
# build-iso can't be run from this layer
**跨层部署构建。**
例如：内核开发人员在安装时添加新的或更新驱动程序。这就是一个跨层次的构建练习。内核和它的驱动程序是一个发行版层的组件，
但是安装程序和ISO是从 flock layer构建的。
为每个工作层设置一个独立的构建环境。
1) Distro layer环境
::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m distro.xml
repo sync
...
export LAYER=distro
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
...
build-pkgs
build-pkgs --installer
2) Flock layer环境
::
repo init -u https://opendev.org/starlingx/manifest.git -b master -m flock.xml
repo sync
...
export LAYER=flock
...
echo “LAYER=$LAYER” >> stx-tools/localrc
...
在这个阶段，需要为flock layer指定你自定义的distro layer的相关内容。这些内容在配置文件中指定，位于
``stx-tools/centos-mirror-tools/config/<os>/<layer-to-build>``下的``required_layer_pkgs.cfg``和
``required_layer_iso_inc.cfg``文件中。在这两个配置文件中列出了所依赖的下层描述信息``<依赖层>,<类型>,<依赖内容的路径>``，
其格式使用逗号分隔为三个字段，参照以下： ::
cat stx-tools/centos-mirror-tools/config/centos/flock/required_layer_pkgs.cfg
compiler,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/RPMS/std/rpm.lst
distro,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/std/rpm.lst
distro,rt,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/rt/rpm.lst
distro,installer,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/RPMS/installer/rpm.lst
cat stx-tools/centos-mirror-tools/config/centos/flock/required_layer_iso_inc.cfg
compiler,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image.inc
compiler,dev,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image-dev.inc
distro,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/image.inc
distro,dev,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/distro/latest_build/outputs/image-dev.inc
如果需要用到更底层layer所构建的包，需要在当前layer做好配置。使用语法: ``file://`` 将配置文件中的url替换成更底层layer所对应的信息。
例如：需要使用到在'distro layer' 编译生成的包(构建时项目名为:``PROJECT=<my-project>-distro``) ::
distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst
distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst
distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst
distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc
distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc
如何修改这些配置信息？
选项 a)直接修改原始的配置文件。但，请不要提交你的修改! !
'b'方案会更加安全 ::
vi stx-tools/centos-mirror-tools/config/centos/flock/required_layer_pkgs.cfg \\
stx-tools/centos-mirror-tools/config/centos/flock/required_layer_iso_inc.cfg
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
选项 b)使用一个替代的配置文件目录
拷贝default的配置文件到git仓库以外，但仍需要保证构建系统可见。修改拷贝出的配置文件，使用 ``file://`` url格式修改url。 ::
cp -r stx-tools/centos-mirror-tools/config config.tmp
export STX_CONFIG_DIR=$PWD/config.tmp
...
echo “STX_CONFIG_DIR=$STX_CONFIG_DIR” >> stx-tools/localrc
...
vi config.tmp/centos/flock/required_layer_pkgs.cfg \\
config.tmp/centos/flock/required_layer_iso_inc.cfg
download_mirror.sh
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh /import/mirrors/CentOS/stx/CentOS/
选项 c)提供命令行参数来赋值给 downloads.sh 和 generate-local-repo.sh 脚本文件，并直接覆盖 url ::
download_mirror.sh \\
-L distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
-L distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
-L distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
-I distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
-I distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc
...
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
...
generate-local-repo.sh \\
--layer-pkg-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
--layer-inc-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
--layer-inc-url=distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc \\
/import/mirrors/CentOS/stx/CentOS/
然后继续构建，接下来将导出我们自己的安装程序。 ::
build-pkgs
update-pxe-network-installer
该脚本在 ``/localdisk/loadbuild/my-project-flock/pxe-network-installer/output`` 上创建三个文件。 ::
new-initrd.img
new-squashfs.img
new-vmlinuz
请将文件重命名如下： ::
initrd.img
squashfs.img
vmlinuz
最后... ::
build-pkgs --clean pxe-network-installer
build-pkgs pxe-network-installer
build-iso
更换包
------------------------
**我应该把我新编译出的包放在哪一层？**
如果软件包是你原创的内容，是为 StarlingX 项目所编写的，那么它属于flock layer。所有其他内容都被认为是第三方的，
要么进入distro layer，要么进入compiler layer。
用于编译或打包作用的核心组件，属于compiler layer. Compiler layer这一层改动较少，相对稳定。
所有其他的第三方的包都属于distro layer。在distro层其中你可以找到CentOS补丁包，内核包和驱动程序包，ceph，openstack 组件等和更多软件包。
**如何在repo manifest中添加新的项目？**
如果需要一个新的 git repo，需要在default manifest和对应layer相关的manifest文件中修改设置。
**本地yum配置库如何变更？**
希望我们不会经常添加新的 yum repos，如果需要，将它添加到``'stx-tools/centos-mirror/yum.reposit.d'``，而不是
``'stx-tools/centos-mirror-tools/config/<os>/<layer>/repos.yum.d’``。
**需要更新哪个'lst'文件？**
如果要添加的包来自第三方的 tarball 或 src.rpm，那么将这个包添加到git根目录的 lst 文件中，编译指令就会找到它。
你将内容添加在以下lst文件的其中一个，根据包的原则选择最合适的lst文件。 ::
centos_srpms_3rdparties.lst
centos_srpms_centos3rdparties.lst
centos_srpms_centos.lst
centos_tarball-dl.lst
对于编译时所依赖各个包，以及那些编译过程有传递性要求的包，应该添加到 ``stx-tools/centos-mirror-tools/config/<os>/<layer>``
下的 lst 文件中。将内容添加在以下lst文件的其中一个，根据包的原则选择最合适的lst文件。 ::
rpms_3rdparties.lst
rpms_centos3rdparties.lst
rpms_centos.lst
...as appropriate.
如果软件包需要安装到iso中，那么应该将这些包所依赖的包，以及有传递性要求的包添加到 ``stx-tools/centos-mirror-tools/config/<os>/flock``
下的 lst 文件中。是flock目录下，而不是其它层，因为 ISO 是从flock层建立的。
弄清楚包的传递列表可能是一个挑战。对于centos软件包，我的建议是启动一个单独的centos容器（保持容器版本的正确匹配性），并尝试运行以下命令。 ::
repoquery --requires --resolve --recursive \\
--qf='%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}.rpm' <package>
... 否则，您可能不得不实施几次构建迭代，并修复每次中断的问题。
上述方法收集的rpm集合，可能会列出您的lst文件中已经存在的软件包。 如果版本相同，则无需执行任何操作。 如果版本较低，
则您可能需要将lst中版本更新为较新的软件包版本。检查软件包在所依赖的底层lst文件中是否存在，不存在就添加进去。
查看以上方法获得的rpm列表，对比lst文件，对于lst文件中尚不存在的rpm包。如果starlingx中已经构建了该rpm包，
则不需要包含在lst文件中。
lst中如果没有列出，而且我们也没有构建它，那么就需要添加这个rpm包。
**如何在iso中加入一个软件包？**
将需要编译的软件包添加到git根目录下的``<os>_iso_image.inc``文件下，编译系统会自动识别编译。
特定操作系统的(如CentOS)编译时基于的包，以往在 ``'cgcs-root/build-tools/build_iso/image.inc'`` 文件中配置，
可以继续使用这种方式。
1, layer build以后，需要打包到iso中的package，应该都添加到各自git project里的 ``<os>_iso_image.inc`` 里。
2, compile或者distro layer中增加iso中的package，在这两个layer build结束后，执行如下命令生成各自layer的image.inc
::
source build-tools/image-utils.sh
image_inc_list iso dev <layer> > my_<layer>_image.inc
cengna上的各自layer的 image.inc也是这样生成的。
在 ``stx-tools/centos-mirror-tools/config/<os>/<layer>/required_layer_iso_inc.cfg`` 文件
$ cat stx-tools/centos-mirror-tools/config/centos/distro/required_layer_iso_inc.cfg
compiler,std,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image.inc
compiler,dev,https://mirror.starlingx.windriver.com/mirror/starlingx/master/centos/compiler/latest_build/outputs/image-dev.inc
修改成你的distro 或者compile layer的 image.inc
``file:///localdisk/loadbuild/<user>/<project>/my_<layer>_imajge.inc``
在build flock layer的时候会去读这个 ``require_layer_iso_inc.cfg`` 或者下面的命令修改layer的image.inc ::
generate-local-repo.sh \\
--layer-pkg-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,rt,file:///localdisk/loadbuild/<my-project>-distro/rt/rpmbuild/RPMS/rpm.lst \\
--layer-pkg-url=distro,installer,file:///localdisk/loadbuild/<my-project>-distro/installer/rpmbuild/RPMS/rpm.lst \\
--layer-inc-url=distro,std,file:///localdisk/loadbuild/<my-project>-distro/std/image.inc \\
--layer-inc-url=distro,dev,file:///localdisk/loadbuild/<my-project>-distro/std/image-dev.inc \\
/import/mirrors/CentOS/stx/CentOS/
编译flock layer时候，会在``cgcs-root/local-repo/layer_image_inc``, 包含distro和compiler layer的image.inc
build-iso的时候会被使用。

3
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:maxdepth: 1
build_guide
layered_build_guide
Layered_Build
Layered_Build_cn
backup_restore
build_docker_image
code-submission-guide

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===================
Layered Build Guide
===================
This section describes the steps for layered build and building an ISO image
from a StarlingX R4.0 release onwards.
For more detailed explanation of layered build, please refer :ref:`Layered-Build`.
.. contents::
:local:
:depth: 1
-------------------
:ref:`requirements`
-------------------
Layered build has the same requirements as StarlingX R3.0 build.
Click the heading above for details.
------------------------------------
:ref:`starlingx_build_tools`
------------------------------------
Layered build uses the same development environment setup as StarlingX R3.0 build.
Click the heading above for details.
--------------------
Build compiler layer
--------------------
*****************************
Prepare the base Docker image
*****************************
Since, we are building compiler layer, create and modify only localrc
file. Make sure to set the project and layer as compiler and user name as
desired. For example:
::
# tbuilder localrc
MYUNAME=<your user name>
PROJECT=compiler
HOST_PREFIX=$HOME/starlingx/workspace
HOST_MIRROR_DIR=$HOME/starlingx/mirror
LAYER=compiler
.. _Build-the-CentOS-mirror-repository-compiler:
**********************************
Build the CentOS mirror repository
**********************************
The creation of the StarlingX ISO relies on a repository of RPM binaries,
RPM sources, and tar compressed files. This section describes how to build
this CentOS mirror repository.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Run building Docker container
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At the end of this procedure, you will be inside the Starlingx container.
Quick command summary is as below:
::
cd $HOME/tools/
bash tb.sh env
bash tb.sh run
bash tb.sh exec
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Download source code repositories
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#. Inside the building Docker container, start the internal environment:
::
eval $(ssh-agent)
ssh-add
#. Use the repo tool to create a local clone of the manifest git repository
based on the “master” branch for compiler layer.
::
cd $MY_REPO_ROOT_DIR
repo init -u https://opendev.org/starlingx/manifest -b master -m compiler.xml
#. Synchronize code for compiler layer using command below:
::
repo sync -j`nproc`
~~~~~~~~~~~~~~~~~
Download packages
~~~~~~~~~~~~~~~~~
#. Inside the Docker container, enter the following commands to download
the required packages to populate the CentOS mirror repository:
::
cd $MY_REPO_ROOT_DIR/stx-tools/centos-mirror-tools && bash download_mirror.sh
#. Monitor the download of packages until it is complete. When the download
is complete successfully with no missing packages, the following message appears:
::
step #5: done successfully
sudo rm -rf /tmp/stx_mirror_4d2URF
IMPORTANT: The following 3 files are just bootstrap versions. Based on them, the workable images
for StarlingX could be generated by running "update-pxe-network-installer" command after "build-iso"
- ./output/stx/CentOS/Binary/LiveOS/squashfs.img
- ./output/stx/CentOS/Binary/images/pxeboot/initrd.img
- ./output/stx/CentOS/Binary/images/pxeboot/vmlinuz
Success
***************
Verify packages
***************
#. Verify no missing or failed packages exist:
::
cat logs/*_missing_*.log
cat logs/*_failmoved_*.log
#. In case missing or failed packages do exist, which is usually caused by
network instability (or timeout), you need to download the packages
manually or re-run the download command given in previous step.
Doing so assures you get all RPMs listed in *centos_srpms_3rdparties.lst,
centos_srpms_centos.lst, centos_srpms_centos3rdparties.lst*.
******************
Packages structure
******************
The following is a general overview of the packages structure resulting from
downloading the packages for compiler layer:
::
/localdisk/designer/<user>/<project>/stx-tools/centos-mirror-tools/output
.
└── stx
└── CentOS
├── Binary
│   ├── noarch
│   └── x86_64
├── downloads
│   └── puppet
├── layer_build_info
├── layer_image_inc
├── layer_pkg_lists
├── layer_wheels_inc
└── Source
*******************************
Copy CentOS mirror repository
*******************************
Exit from the building Docker container. Run the following commands:
#. Navigate to CentOS mirror directory *mirror/CentOS* under your *starlingx*
workspace directory:
::
cd $HOME/starlingx/mirror/CentOS/
#. Copy the built CentOS mirror repository *$HOME/starlingx/mirror/* workspace
directory. Make sure to insert the <user>:
::
cp -r $HOME/starlingx/workspace/localdisk/designer/<user>/compiler/stx-tools/centos-mirror-tools/output/stx .
***************************
Create a tarball repository
***************************
#. Enter the StarlingX container using below command:
::
cd $HOME/tools/
./tb.sh exec
#. Copy downloaded CentOS tarballs into StarlingX repo
::
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
Alternatively, you can run the "populate_downloads.sh" script to copy the
tarballs instead of using a symlink:
::
bash populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
**************
Build packages
**************
#. **Temporal!** Build-Pkgs Errors. Be prepared to have some missing /
corrupted rpm and tarball packages generated during
:ref:`Build-the-CentOS-mirror-repository-compiler`, which will cause the next step
to fail. If that step does fail, manually download those missing /
corrupted packages.
#. Update the symbolic links:
::
bash generate-centos-repo.sh /import/mirrors/CentOS/stx/CentOS/
#. Build the packages:
::
build-pkgs
build-pkgs --installer
------------------
Build distro layer
------------------
.. _Build-the-CentOS-mirror-repository-distro:
**********************************
Build the CentOS mirror repository
**********************************
The creation of the StarlingX ISO relies on a repository of RPM binaries,
RPM sources, and tar compressed files. This section describes how to build
this CentOS mirror repository.
If you were building compiler layer, exit from container and enter the tools
directory using below commands:
::
cd $HOME/tools/
Since, we are building distro layer, modify localrc file. Make sure to set the
project and layer as distro. For example:
::
# tbuilder localrc
MYUNAME=<your user name>
PROJECT=distro
HOST_PREFIX=$HOME/starlingx/workspace
HOST_MIRROR_DIR=$HOME/starlingx/mirror
LAYER=distro
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Run building Docker container
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At the end of this procedure, you will be inside the Starlingx container.
Quick command summary is as below:
::
cd $HOME/tools/
bash tb.sh env
bash tb.sh run #Need not give, If the container was created earlier.
bash tb.sh exec
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Download source code repositories
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#. Inside the building Docker container, start the internal environment:
::
eval $(ssh-agent)
ssh-add
#. Use the repo tool to create a local clone of the manifest git repository
based on the “master” branch for compiler layer.
::
cd $MY_REPO_ROOT_DIR
repo init -u https://opendev.org/starlingx/manifest -b master -m distro.xml
#. Synchronize code for compiler layer using command below:
::
repo sync -j`nproc`
~~~~~~~~~~~~~~~~~
Download packages
~~~~~~~~~~~~~~~~~
#. Inside the Docker container, enter the following commands to download
the required packages to populate the CentOS mirror repository:
::
cd $MY_REPO_ROOT_DIR/stx-tools/centos-mirror-tools && bash download_mirror.sh
#. Monitor the download of packages until it is complete. When the download
is complete, the following message appears:
::
step #5: done successfully
sudo rm -rf /tmp/stx_mirror_UIQ675
IMPORTANT: The following 3 files are just bootstrap versions. Based on them, the workable images
for StarlingX could be generated by running "update-pxe-network-installer" command after "build-iso"
- ./output/stx/CentOS/Binary/LiveOS/squashfs.img
- ./output/stx/CentOS/Binary/images/pxeboot/initrd.img
- ./output/stx/CentOS/Binary/images/pxeboot/vmlinuz
Success
***************
Verify packages
***************
#. Verify no missing or failed packages exist:
::
cat logs/*_missing_*.log
cat logs/*_failmoved_*.log
#. In case missing or failed packages do exist, which is usually caused by
network instability (or timeout), you need to download the packages
manually.
Doing so assures you get all RPMs listed in *centos_srpms_3rdparties.lst,
centos_srpms_centos.lst, centos_srpms_centos3rdparties.lst*.
******************
Packages structure
******************
The following is a general overview of the packages structure resulting from
downloading the packages for distro layer:
::
/localdisk/designer/<user>/distro/stx-tools/centos-mirror-tools/output
.
└── stx
└── CentOS
├── Binary
│   ├── EFI
│   │   └── BOOT
│   │   └── fonts
│   ├── images
│   │   └── pxeboot
│   ├── isolinux
│   ├── LiveOS
│   ├── noarch
│   └── x86_64
├── downloads
│   └── puppet
│   └── packstack
│   └── puppet
│   └── modules
├── layer_build_info
├── layer_image_inc
├── layer_pkg_lists
├── layer_repos
│   └── compiler
│   └── std
│   ├── repodata
│   └── repodata.upstream
├── layer_wheels_inc
└── Source
*******************************
Copy CentOS mirror repository
*******************************
Exit from the building Docker container. Run the following commands:
#. Navigate to CentOS mirror directory *mirror/CentOS* under your *starlingx*
workspace directory:
::
cd $HOME/starlingx/mirror/CentOS/
#. Copy the built CentOS mirror repository *$HOME/starlingx/mirror/* workspace
directory. Make sure to insert the <user>:
::
cp -r $HOME/starlingx/workspace/localdisk/designer/<user>/distro/stx-tools/centos-mirror-tools/output/stx .
***************************
Create a tarball repository
***************************
#. Enter the StarlingX container using below command:
::
cd $HOME/tools/
./tb.sh exec
#. Copy downloaded CentOS tarballs into StarlingX repo
::
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
Alternatively, you can run the "populate_downloads.sh" script to copy the
tarballs instead of using a symlink:
::
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
**************
Build packages
**************
#. **Temporal!** Build-Pkgs Errors. Be prepared to have some missing /
corrupted rpm and tarball packages generated during
:ref:`Build-the-CentOS-mirror-repository-distro`, which will cause the next step
to fail. If that step does fail, manually download those missing /
corrupted packages.
#. Update the symbolic links:
::
bash generate-centos-repo.sh /import/mirrors/CentOS/stx/CentOS/
This step creates the repo directory, following is the output on the console
for a successful repo directory creation for the <user> stx:
::
Copying comps.xml file.
Createing yum repodata.
Directory walk started
Directory walk done - 51 packages
Temporary output repo path: /localdisk/designer/stx/distro/cgcs-root/local-repo/Source/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /localdisk/designer/stx/distro/cgcs-root/local-repo/rt/Source/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 1450 packages
Temporary output repo path: /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /localdisk/designer/stx/distro/cgcs-root/local-repo/rt/Binary/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Copying mock.cfg.proto file.
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/EFI/BOOT/BOOTX64.EFI
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/EFI/BOOT/fonts/unicode.pf2
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/EFI/BOOT/grub.cfg
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/EFI/BOOT/grubx64.efi
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/images/efiboot.img
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/images/pxeboot/initrd.img
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/images/pxeboot/vmlinuz
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/boot.msg
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/grub.conf
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/initrd.img
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/isolinux.bin
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/isolinux.cfg
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/memtest
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/splash.png
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/vesamenu.c32
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/isolinux/vmlinuz
Creating symlink for /localdisk/designer/stx/distro/cgcs-root/local-repo/Binary/LiveOS/squashfs.img
Creating folder EFI
Creating folder EFI/BOOT
Creating folder EFI/BOOT/fonts
Creating folder images
Creating folder images/pxeboot
Creating folder isolinux
Creating folder LiveOS
Done creating repo directory
#. Build the packages:
::
build-pkgs
build-pkgs --installer
-----------------
Build flock layer
-----------------
.. _Build-the-CentOS-mirror-repository-flock:
**********************************
Build the CentOS mirror repository
**********************************
The creation of the StarlingX ISO relies on a repository of RPM binaries,
RPM sources, and tar compressed files. This section describes how to build
this CentOS mirror repository.
If you were building distro layer, exit from container and enter the tools
directory using below commands:
::
cd $HOME/tools/
Since, we are building flock layer, modify localrc file. Make sure to set the
project and layer as flock. For example:
::
# tbuilder localrc
MYUNAME=<your user name>
PROJECT=flock
HOST_PREFIX=$HOME/starlingx/workspace
HOST_MIRROR_DIR=$HOME/starlingx/mirror
LAYER=flock
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Run building Docker container
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
At the end of this procedure, you will be inside the Starlingx container.
Quick command summary is as below:
::
cd $HOME/tools/
bash tb.sh env
bash tb.sh run #Need not give, If the container was created earlier.
bash tb.sh exec
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Download source code repositories
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#. Inside the building Docker container, start the internal environment:
::
eval $(ssh-agent)
ssh-add
#. Use the repo tool to create a local clone of the manifest git repository
based on the “master” branch for flock layer.
::
cd $MY_REPO_ROOT_DIR
repo init -u https://opendev.org/starlingx/manifest -b master -m flock.xml
#. Synchronize code for compiler layer using command below:
::
repo sync -j`nproc`
~~~~~~~~~~~~~~~~~
Download packages
~~~~~~~~~~~~~~~~~
#. Inside the Docker container, enter the following commands to download
the required packages to populate the CentOS mirror repository:
::
cd $MY_REPO_ROOT_DIR/stx-tools/centos-mirror-tools && bash download_mirror.sh
#. Monitor the download of packages until it is complete. When the download
is complete, the following message appears:
::
step #5: done successfully
sudo rm -rf /tmp/stx_mirror_ievdiA
IMPORTANT: The following 3 files are just bootstrap versions. Based
on them, the workable images for StarlingX could be generated by
running "update-pxe-network-installer" command after "build-iso"
- ./output/stx/CentOS/Binary/LiveOS/squashfs.img
- ./output/stx/CentOS/Binary/images/pxeboot/initrd.img
- ./output/stx/CentOS/Binary/images/pxeboot/vmlinuz
***************
Verify packages
***************
When the download is not successful, the following message appears:
::
IMPORTANT: The following 3 files are just bootstrap versions. Based
on them, the workable images for StarlingX could be generated by
running "update-pxe-network-installer" command after "build-iso"
- ./output/stx/CentOS/Binary/LiveOS/squashfs.img
- ./output/stx/CentOS/Binary/images/pxeboot/initrd.img
- ./output/stx/CentOS/Binary/images/pxeboot/vmlinuz
Warning: Not all download steps succeeded. You are likely missing files.
You can verify and list missing or failed packages using below command:
::
cat logs/*_missing_*.log
cat logs/*_failmoved_*.log
In case missing or failed packages do exist, which is usually caused by
network instability (or timeout), you need to download the packages
manually.
Doing so assures you get all RPMs listed in *centos_srpms_3rdparties.lst,
centos_srpms_centos.lst, centos_srpms_centos3rdparties.lst*.
******************
Packages structure
******************
The following is a general overview of the packages structure resulting from
downloading the packages for flock layer:
::
/localdisk/designer/<user>/flock/stx-tools/centos-mirror-tools/output
└── stx
└── CentOS
├── Binary
│   ├── EFI
│   │   └── BOOT
│   │   └── fonts
│   ├── images
│   │   └── pxeboot
│   ├── isolinux
│   ├── LiveOS
│   ├── noarch
│   └── x86_64
├── downloads
│   └── puppet
├── layer_build_info
├── layer_image_inc
├── layer_pkg_lists
├── layer_repos
│   ├── compiler
│   │   └── std
│   │   ├── repodata
│   │   └── repodata.upstream
│   └── distro
│   ├── installer
│   │   ├── repodata
│   │   └── repodata.upstream
│   ├── rt
│   │   ├── repodata
│   │   └── repodata.upstream
│   └── std
│   ├── repodata
│   └── repodata.upstream
├── layer_wheels_inc
└── Source
*******************************
Copy CentOS mirror repository
*******************************
Exit from the building Docker container. Run the following commands:
#. Navigate to CentOS mirror directory *mirror/CentOS* under your *starlingx*
workspace directory:
::
cd $HOME/starlingx/mirror/CentOS/
#. Copy the built CentOS mirror repository *$HOME/starlingx/mirror/*
workspace directory:
::
cp -r $HOME/starlingx/workspace/localdisk/designer/<user>/flock/stx-tools/centos-mirror-tools/output/stx .
***************************
Create a tarball repository
***************************
#. Enter the StarlingX container using below command:
::
cd $HOME/tools/
./tb.sh exec
#. Copy downloaded CentOS tarballs into StarlingX repo
::
ln -s /import/mirrors/CentOS/stx/CentOS/downloads/ $MY_REPO/stx/
Alternatively, you can run the "populate_downloads.sh" script to copy the
tarballs instead of using a symlink:
::
populate_downloads.sh /import/mirrors/CentOS/stx/CentOS/
#. Exit from the container. On the host machine, create mirror binaries:
::
mkdir -p $HOME/starlingx/mirror/CentOS/stx-installer
cp $HOME/starlingx/mirror/CentOS/stx/CentOS/Binary/images/pxeboot/initrd.img $HOME/starlingx/mirror/CentOS/stx-installer/initrd.img
cp $HOME/starlingx/mirror/CentOS/stx/CentOS/Binary/images/pxeboot/vmlinuz $HOME/starlingx/mirror/CentOS/stx-installer/vmlinuz
cp $HOME/starlingx/mirror/CentOS/stx/CentOS/Binary/LiveOS/squashfs.img $HOME/starlingx/mirror/CentOS/stx-installer/squashfs.img
**************
Build packages
**************
#. Enter the StarlingX container using below command:
::
cd $HOME/tools/
./tb.sh exec
#. **Temporal!** Build-Pkgs Errors. Be prepared to have some missing /
corrupted rpm and tarball packages generated during
:ref:`Build-the-CentOS-mirror-repository-flock`, which will cause the next step
to fail. If that step does fail, manually download those missing /
corrupted packages.
#. Update the symbolic links:
::
bash generate-centos-repo.sh /import/mirrors/CentOS/stx/CentOS/
Following is the output:
::
Copying comps.xml file.
Createing yum repodata.
Directory walk started
Directory walk done - 1 packages
Temporary output repo path: /localdisk/designer/stx/flock/cgcs-root/local-repo/Source/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 0 packages
Temporary output repo path: /localdisk/designer/stx/flock/cgcs-root/local-repo/rt/Source/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 1892 packages
Temporary output repo path: /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Directory walk started
Directory walk done - 40 packages
Temporary output repo path: /localdisk/designer/stx/flock/cgcs-root/local-repo/rt/Binary/.repodata/
Preparing sqlite DBs
Pool started (with 5 workers)
Pool finished
Copying mock.cfg.proto file.
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/EFI/BOOT/BOOTX64.EFI
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/EFI/BOOT/fonts/unicode.pf2
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/EFI/BOOT/grub.cfg
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/EFI/BOOT/grubx64.efi
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/images/efiboot.img
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/images/pxeboot/initrd.img
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/images/pxeboot/vmlinuz
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/boot.msg
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/grub.conf
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/initrd.img
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/isolinux.bin
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/isolinux.cfg
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/memtest
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/splash.png
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/vesamenu.c32
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/isolinux/vmlinuz
Creating symlink for /localdisk/designer/stx/flock/cgcs-root/local-repo/Binary/LiveOS/squashfs.img
Creating folder EFI
Creating folder EFI/BOOT
Creating folder EFI/BOOT/fonts
Creating folder images
Creating folder images/pxeboot
Creating folder isolinux
Creating folder LiveOS
Done creating repo directory
#. Build the packages:
::
build-pkgs
-------------------
Build StarlingX ISO
-------------------
Build the image:
::
build-iso
----------------------
Build-installer
----------------------
Layered build has the same procedure for build installer as StarlingX R3.0 build
except for the changes in path of files as below. Click the heading above for details.
#. The steps covered by the script **update-pxe-network-installer** is detailed in
$MY_REPO/stx/stx-metal/installer/initrd/README. This script creates three files on
/localdisk/loadbuild/stx/flock/pxe-network-installer/output.
#. The path for **build_srpm.data** is $MY_REPO/stx/metal/installer/pxe-network-installer/centos/.