webrtc 镜像制作

制作镜像git仓库参考链接
https://maojie.github.io/2019/03/26/webrtc_tutorial/

https://blog.csdn.net/luansxx/article/details/89597525

步骤：
1、安装docker，并配置镜像加速，参考https://www.runoob.com/docker/docker-mirror-acceleration.html

2、拉取ubuntu 18.04 docker镜像，参考https://hub.docker.com/_/ubuntu?tab=tags

3、进入ubuntu docker镜像

4、执行mv /etc/apt/sources.list /etc/apt/sources.list.bak

5、更换下面的apt源，然后执行apt update

echo "deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse">>/etc/apt/sources.list
echo "deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse">>/etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse">>/etc/apt/sources.list
echo "deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse">>/etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse">>/etc/apt/sources.list
echo "deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse">>/etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse">>/etc/apt/sources.list
echo "deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse">>/etc/apt/sources.list
echo "deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse">>/etc/apt/sources.list
echo "deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse">>/etc/apt/sources.list

6、安装vim、ssh服务，apt install vim;apt-get install openssh-server并设置允许root 登录vim /etc/ssh/sshd_config 找到PermitRootLogin without-password 修改为PermitRootLogin yes，并启用sshd服务 /etc/init.d/ssh start，记得更改一下docker容器root密码（宿主机ssh/git访问docker，记得需要docker容器启动映射22端口，并使用宿主机上显示的vEthernet网络的ip）找到PermitRootLogin without-password修改为PermitRootLogin yes

7、安装git 、wget和python，apt install git; apt install wget; apt install python

8、配置代理，需翻墙，根据局域网ip和翻墙软件http代理端口配置

git config --global http.proxy http://you_proxy_ip:you_proxy_port
git config --global https.proxy https://you_proxy_ip:you_proxy_port

9、进入root目录，创建webrtc目录，cd root; mkdir webrtc
执行git clone https://chromium.googlesource.com/chromium/tools/depot_tools
（需要再墙外)
或者使用git clone https://source.codeaurora.org/quic/lc/chromium/tools/depot_tools
(参考https://www.cnblogs.com/yemaomao/p/12461055.html）

10、在~/.bashrc 中添加export PATH=/root/webrtc/depot_tools:$PATH
保存后执行source ~/.bashrc

11、执行mkdir webrtc-cache ;mkdir webrtc; cd webrtc

12、创建.gclient文件

solutions = [
  { "name" : "src",
    "url": "https://chromium.googlesource.com/chromium/src.git",
    "deps_file" : "DEPS",
    "managed"  : True,
    "custom_deps" : {
    },
    "safesync_url": "",
  },
]
cache_dir = "/root/webrtc-cache"
target_os = [
  "linux",
  "win",
  "mac",
  "ios",
  "android"
]

13、根据提示解决问题（如:手动下载 .cipd_client、配置wget代理）

export http_proxy=http://you_proxy_ip:you_proxy_port
export https_proxy=https://you_proxy_ip:you_proxy_port

14、执行gclient sync --nohook --with_tags --ignore_lock，出错重新执行该语句直到正常结束无报错

15、此时 depot_tools、webrtc源码src文件夹、webrtc-cache依赖项目的git仓库均拉取完毕

16、准备使用Gitolite搭建webrtc镜像的依赖项目的仓库，以下过程参考文章开始处推荐的第一篇，请阅读后继续

17、在某台工作主机上，生成ssh公钥和私钥ssh-keygen -t rsa -f gitolite，你将得到两个文件gitolite 和 gitolite.pub，将gitolite.pub拷贝到docker服务器上的~/.ssh/文件夹下，安装gitolite

$ apt-get install gitolite3

建立gitolite3管理仓库，执行gitolite setup -pk gitolite.pub，会得到两个仓库

/your-user-home-dir/repositories/gitolite-admin.git
/your-user-home-dir/repositories/testing.git

在工作机上配置ssh登录验证

$ vi ~/.ssh/config # Add the following content
host [your-docker-reflex-veth-ip]
  HostName [your-docker-name]
  IdentityFile ~/.ssh/gitolite
  User [your-docker-username]
Port [your-docker-ssh-reflex-export-port]

并拉取gitolite仓库的配置仓库，下面命令中："x.x.x.x"代表your-docker-reflex-veth-ip，"port"是your-docker-ssh-reflex-export-port (docker容器导出的映射内部sshd服务22端口的外部端口)

$ git clone ssh://[username]@[x.x.x.x]:[port]/gitolite-admin.git
# or  "git clone [username]@[x.x.x.x]/gitolite-admin.git  " if you assign the 'Port' in ~/.ssh/config
# gitolite-admin has two directories
gitolite-admin/conf/gitolite.conf to manage the remote repositories
gitolite-admin/keydir/ to manage the public keys

在docker镜像上建立webrtc third_party库的映射，执行以下命令

mkdir -p /root/repositories/platform/external
mkdir -p /root/repositories/breakpad
mkdir -p /root/repositories/chromium/deps
mkdir -p /root/repositories/chromium/deps/yasm
mkdir -p /root/repositories/chromium/llvm-project/cfe/tools
mkdir -p /root/repositories/chromium/llvm-project/compiler-rt/lib
mkdir -p /root/repositories/chromium/src
mkdir -p /root/repositories/chromium/src/third_party
mkdir -p /root/repositories/chromium/tools
mkdir -p /root/repositories/external/github.com/cisco
mkdir -p /root/repositories/external/github.com/google
mkdir -p /root/repositories/external/github.com/gradle
mkdir -p /root/repositories/external/github.com/harfbuzz
mkdir -p /root/repositories/external/github.com/kennethreitz
mkdir -p /root/repositories/external/github.com/llvm/llvm-project
mkdir -p /root/repositories/external/github.com/open-source-parsers
mkdir -p /root/repositories/external/github.com/sctplab
mkdir -p /root/repositories/external/mockito
mkdir -p /root/repositories/infra/luci
mkdir -p /root/repositories/libyuv
mkdir -p /root/repositories/webm
ln -s /root/webrtc/webrtc-cache/android.googlesource.com-platform-external-perfetto  /root/repositories/platform/external/perfetto.git
ln -s /root/webrtc/webrtc-cache/aomedia.googlesource.com-aom /root/repositories/aom.git
ln -s /root/webrtc/webrtc-cache/boringssl.googlesource.com-boringssl /root/repositories/boringssl.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-android_ndk /root/repositories/android_ndk.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-breakpad-breakpad /root/repositories/breakpad/breakpad.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-catapult /root/repositories/catapult.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-findbugs /root/repositories/chromium/deps/findbugs.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-icu /root/repositories/chromium/deps/icu.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-libjpeg_turbo /root/repositories/chromium/deps/libjpeg_turbo.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-libsrtp /root/repositories/chromium/deps/libsrtp.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-nasm /root/repositories/chromium/deps/nasm.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-deps-yasm-binaries /root/repositories/chromium/deps/yasm/binaries.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-llvm--project-cfe-tools-clang--format /root/repositories/chromium/llvm-project/cfe/tools/clang-format.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-llvm--project-compiler--rt-lib-fuzzer /root/repositories/chromium/llvm-project/compiler-rt/lib/fuzzer.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-base /root/repositories/chromium/src/base.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-build /root/repositories/chromium/src/build.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-buildtools /root/repositories/chromium/src/buildtools.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-ios /root/repositories/chromium/src/ios.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-testing /root/repositories/chromium/src/testing.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-third_party /root/repositories/chromium/src/third_party.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-third_party-freetype2 /root/repositories/chromium/src/third_party/freetype2.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-third_party-libunwindstack /root/repositories/chromium/src/third_party/libunwindstack.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-src-tools /root/repositories/chromium/src/tools.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-third_party-ffmpeg /root/repositories/chromium/third_party/ffmpeg.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-third_party-ub--uiautomator /root/repositories/chromium/third_party/ub-uiautomator.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-chromium-tools-depot_tools /root/repositories/chromium/tools/depot_tools.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-colorama /root/repositories/external/colorama.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-fontconfig /root/repositories/external/fontconfig.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-cisco-openh264 /root/repositories/external/github.com/cisco/openh264.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-google-benchmark /root/repositories/external/github.com/google/benchmark.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-google-compact_enc_det /root/repositories/external/github.com/google/compact_enc_det.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-google-googletest /root/repositories/external/github.com/google/googletest.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-google-gtest--parallel /root/repositories/external/github.com/google/gtest-parallel.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-google-turbine /root/repositories/external/github.com/google/turbine.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-gradle-gradle /root/repositories/external/github.com/gradle/gradle.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-harfbuzz-harfbuzz /root/repositories/external/github.com/harfbuzz/harfbuzz.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-kennethreitz-requests /root/repositories/external/github.com/kennethreitz/requests.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-llvm-llvm--project-libcxx /root/repositories/external/github.com/llvm/llvm-project/libcxx.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-llvm-llvm--project-libcxxabi /root/repositories/external/github.com/llvm/llvm-project/libcxxabi.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-llvm-llvm--project-libunwind /root/repositories/external/github.com/llvm/llvm-project/libunwind.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-open--source--parsers-jsoncpp /root/repositories/external/github.com/open-source-parsers/jsoncpp.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-github.com-sctplab-usrsctp /root/repositories/external/github.com/sctplab/usrsctp.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-junit /root/repositories/external/junit.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-external-mockito-mockito /root/repositories/external/mockito/mockito.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-infra-luci-client--py /root/repositories/infra/luci/client-py.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-libyuv-libyuv /root/repositories/libyuv/libyuv.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-linux--syscall--support /root/repositories/linux-syscall-support.git
ln -s /root/webrtc/webrtc-cache/chromium.googlesource.com-webm-libvpx /root/repositories/webm/libvpx.git
n -s /root/webrtc/webrtc/src/.git /root/repositories/src.git
ln -s /root/webrtc/depot_tools/.git /root/repositories/depot_tools.git

在工作主机刚刚拉取下来的gitolite的仓库配置文件中，添加与上述.git对应的所有的third_party库配置

$ vim gitolite-admin/conf/gitolite.conf
#add these config
repo platform/external/perfetto
    RW+     =   @all
    
repo aom
    RW+     =   @all

repo boringssl
    RW+     =   @all

repo android_ndk
    RW+     =   @all

repo breakpad/breakpad
    RW+     =   @all
    

repo catapult
    RW+     =   @all
    
repo chromium/deps/findbugs
    RW+     =   @all

repo chromium/deps/icu
    RW+     =   @all

repo chromium/deps/libjpeg_turbo
    RW+     =   @all

repo chromium/deps/libsrtp
    RW+     =   @all

repo chromium/deps/nasm
    RW+     =   @all
    
repo chromium/deps/yasm/binaries
    RW+     =   @all

repo chromium/llvm-project/cfe/tools/clang-format
    RW+     =   @all

repo chromium/llvm-project/compiler-rt/lib/fuzzer
    RW+     =   @all

repo chromium/src/base
    RW+     =   @all
    

repo chromium/src/build
    RW+     =   @all
    
repo chromium/src/buildtools
    RW+     =   @all

repo chromium/src/ios
    RW+     =   @all

repo chromium/src/testing
    RW+     =   @all

repo chromium/src/third_party
    RW+     =   @all
    
    
repo chromium/src/third_party/freetype2
    RW+     =   @all
    
repo chromium/src/third_party/libunwindstack
    RW+     =   @all

repo chromium/src/tools
    RW+     =   @all

repo chromium/third_party/ffmpeg
    RW+     =   @all

repo chromium/third_party/ub-uiautomator
    RW+     =   @all
    

repo chromium/tools/depot_tools
    RW+     =   @all
    
repo external/colorama
    RW+     =   @all

repo external/fontconfig
    RW+     =   @all

repo external/github.com/cisco/openh264
    RW+     =   @all

repo external/github.com/google/benchmark
    RW+     =   @all

repo external/github.com/google/compact_enc_det
    RW+     =   @all

repo external/github.com/google/googletest
    RW+     =   @all

repo external/github.com/google/gtest-parallel
    RW+     =   @all

repo external/github.com/google/turbine
    RW+     =   @all

repo external/github.com/gradle/gradle
    RW+     =   @all

repo external/github.com/harfbuzz/harfbuzz
    RW+     =   @all

repo external/github.com/kennethreitz/requests
    RW+     =   @all

repo external/github.com/llvm/llvm-project/libcxx
    RW+     =   @all

repo external/github.com/llvm/llvm--project/libcxxabi
    RW+     =   @all

repo external/github.com/llvm/llvm--project/libunwind
    RW+     =   @all

repo external/github.com/open--source--parsers/jsoncpp
    RW+     =   @all

repo external/github.com/sctplab/usrsctp
    RW+     =   @all

repo external/junit
    RW+     =   @all
    
repo external/mockito/mockito
    RW+     =   @all

repo infra/luci/client--py
    RW+     =   @all
    
repo libyuv/libyuv
    RW+     =   @all

repo linux--syscall--support
    RW+     =   @all

repo webm/libvpx
    RW+     =   @all

repo src
    RW+     =   @all

repo depot_tools
    RW+     =   @all

在工作主机上把更新的gitolite的仓库配置上传到docker镜像上去

$ cd gitolite-admin
$ git add conf/gitolite.conf
$ git commit -m "Expose all the related repos"
$ git push origin master

如果更新用户后，用户无法正确拉取库，则登录docker镜像执行以下

$ gitolite compile

18、再工作主机某目录执行下列操作，拉取depot_tools和webrtc源码。下述命令中："x.x.x.x"代表your-docker-reflex-veth-ip，"port"是your-docker-ssh-reflex-export-port (docker容器导出的映射内部sshd服务22端口的外部端口)

$ git clone ssh://[username]@[x.x.x.x]:[port]/depot_tools.git
$ mkdir webrtc
$ cd webrtc
$ git clone ssh://[username]@[x.x.x.x]:[port]/src.git

19、在webrtc源码“src"文件夹所在目录，新建.gclient文件内容为

solutions = [
  {
    "url": "ssh://[username]@[x.x.x.x]:[port]/src.git",
    "managed": False,
    "name": "src",
    "deps_file": "DEPS",
    "custom_deps": {},
  },
]

20、再查看src/DEPS文件，进行如下替换
Replace 'https://chromium.googlesource.com' to 'ssh://[username]@[x.x.x.x]:[port]'
Replace 'https://boringssl.googlesource.com' to 'ssh://[username]@[x.x.x.x]:[port]'
Replace 'https://aomedia.googlesource.com' to 'ssh://[username]@[x.x.x.x]:[port]'
Replace 'https://android.googlesource.com' to 'ssh://[username]@[x.x.x.x]:[port]'

21、将depot_tools目录导出到PATH，

export PATH=/root/webrtc/depot_tools:$PATH

在src目录执行

gclient sync --nohooks --verbose

注：上述步骤做完，只是在docker建立了webrtc源码镜像和third_party源码镜像，但是webrtc构建还需要依赖多个cipd库的资源，这些资源由glcient sync命令获取，由于防火墙\google等的限制不易获取。因此可以拷贝一份docker镜像中拉取完整的webrtc的源码src目录，剔除src下的所有.git，并把.gitignore中cipd相关的忽略项删除（cipd项见src下的DEPS文件，搜索cipd），剔除后对该副本src建立git远程仓库，则所有third_party以及拉取完成的cipd依赖会全部在该远程仓库中。开发、维护可以在该远程仓库下进行。此外，在所有的开发环境中，需要把depot_tools建立好，可以拷贝其他用户环境下现成的depot_tools并设置环境变量DEPOT_TOOLS_UPDATE=0禁止depot_tools自动更新，或者安装前面的步骤去执行client sync更新depot_tools。

22、webrtc编译
（1）在src目录下执行，gn args out/Default会打开在src/out/Default下的args.gn文件用于配置gn编译标志。
（2）执行gn args out/Default --list会展示所有可配置标志

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