基于janus源码 制作docker 镜像文件 (webrtc sfu服务器）
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一 制作基于centos7系统的janus docker镜像
创建dockerfile文件，文件名为Dockerfile，写入如下内容
FROM centos:7
RUN rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7 && \
yum provides '*/applydeltarpm'&& \
yum install deltarpm -y && \
yum update -y && \
yum install wget git -y && \
cd etc/yum.repos.d && \
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo && \
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.163.com/.help/CentOS7-Base-163.repo && \
yum clean all && \
yum makecache && \
yum list | grep epel-release.noarch && \
yum install epel-release.noarch -y && \
wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo && \
yum clean all && \
yum makecache && \
yum install -y jansson-devel libwebsockets-devel.x86_64 \
openssl-devel libsrtp-devel glib2-devel libsrtp-devel.x86_64 \
opus-devel libogg-devel libcurl-devel pkgconfig gengetopt \
libconfig-devel libtool autoconf automake cmake make meson librabbitmq-devel.x86_64 \
gnutls-devel.x86_64 texinfo gtk-doc.x86_64 && \
yum install epel-release -y && \
yum update -y && \
yum install -y https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm && \
yum install -y ffmpeg-devel.x86_64 && \
yum clean all && rm -rf /var/cache/yum/*
WORKDIR /usr/local/src
#源码安装需要的库
RUN wget https://github.com/cisco/libsrtp/archive/v2.0.0.tar.gz && \
tar xfv v2.0.0.tar.gz && \
cd libsrtp-2.0.0 && \
./configure --prefix=/usr --enable-openssl && \
make shared_library && \
make install && rm -rf /usr/local/src/*
RUN wget ftp://ftp.gnu.org/gnu/libmicrohttpd/libmicrohttpd-0.9.72.tar.gz && \
tar xfv libmicrohttpd-0.9.72.tar.gz && \
cd libmicrohttpd-0.9.72 && \
./configure && \
make && \
make install && rm -rf /usr/local/src/*
RUN git clone --branch 0.1.18 https://github.com/libnice/libnice.git && \
cd libnice && \
meson --prefix=/usr build && \
ninja -C build && \
ninja -C build install && rm -rf /usr/local/src/*
RUN git clone --branch 0.9.5.0 https://github.com/sctplab/usrsctp.git && \
cd usrsctp && \
./bootstrap && \
./configure --prefix=/usr && \
make && \
make install
RUN git clone https://github.com/freeswitch/sofia-sip.git && \
cd sofia-sip && \
./bootstrap.sh && \
./configure && \
make && make install && rm -rf /usr/local/src/* && \
ldconfig && \
cd /usr/local/src && \
rm -rf ./* && \
yum clean all && \
rm -rf /var/cache/yum/* && rm -rf /usr/local/src/*
RUN git clone --branch v0.11.2 https://github.com/meetecho/janus-gateway.git && \
cd janus-gateway && \
./autogen.sh && \
export PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib64/pkgconfig:/usr/lib/pkgconfig:$PKG_CONFIG_PATH && \
./configure --prefix=/usr/local/janus --enable-json-logger --enable-libsrtp2 --enable-post-processing --enable-rest --enable-websockets && \
make && \
make install && \
make configs && \
make clean && rm -rf /usr/local/src/*
二 执行docker build -t janus:0.11.2 . 因为有些代码需要到github上下载，可能会下载失败导致中断，如果失败就多执行几次。最后出现
=> => writing image sha256:b6770330374b943a93a83ee660c97e73af8b8a2c7a60a 表示images创建成功，通过docker images 即可看到创建的janus image
$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
b6770330374b 50 minutes ago 768MB
如果使用 docker build . 没有指定镜像名称，生成的镜像需要用命令docker tag imagesid Janus:0.1.2 打个tag
三 安装docker-copmpse并编写docker-composee配置文件
依次执行以下命令，确定docker-compose安装成功
pip3 install --upgrade pip
pip install docker-compose
创建docker-compose.yaml文件
写入以下内容
version: "3"
services:
janus:
image: janus:0.11.2
container_name: janus-gateway
network_mode: "host"
hostname: janus-gateway
cap_add:
- SYS_NICE
working_dir: /usr/local/janus/
environment:
- SET_CONTAINER_TIMEZONE=true
- CONTAINER_TIMEZONE=Asia/Shanghai
- TZ=Asia/Shanghai
command:
- /bin/sh
- -c
- |
cd /usr/local/janus/bin
nohup ./janus >/dev/null 2>&1 &
tail -f /dev/null然后在当前目录下执行如下命令 docker-compose -f
docker-compose.yaml up -d 启动janus容器
宿主机上通过netstat -an|grep 8089/8088，看是否启动成功
janus服务器需要开放20000-40000udp端口
同时需要修改janus的配置文件，/usr/local/janus/etc/jianus目录下的janus.jcfg 文件，将 rtp_port_range = "20000-40000"的注释去掉
docker-compose -f docker-compose.yaml down --remove-orphans 命令为关闭janus容器
最后部署nginx demos环境
安装nginx，并修改nginx配置文件，配置好demos位置以及证书和key的路径，通过域名访问需要支持https，否则会有chrome无法调用摄像头的问题。如果没有证书使用ip地址测试也是可以的
server{
listen 80;
listen 8080;
listen *:443 ssl;
server_name localhost;
location / {
root /usr/local/demos;
index index.html index.htm index.php;
}
location /jauns {
proxy_set_header Host $host:$server_port;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_pass http://192.168.0.170:8088/janus; #janus服务器ip地址
}
ssl_certificate /usr/local/certs/cert.pem;
ssl_certificate_key /usr/local/certs/cert.key;
然后重启nginx
然后就可以打开demos页面进行测试了
