QTalk是基于ejabberd，根据业务需要改造而来。修改和扩展了很多 ejaberd不支持的功能。
- 分布式：去掉了依赖mnesia集群的代码，来支持更大的集群，以及防止由于网络分区导致的集群状态不一致。
- 消息处理：通过ejabberd和kafka相连接，实现了消息的路由和订阅发布，可以对消息添加更丰富的处理逻辑。
- …
IM核心组件，负责维持与客户端的长连接和消息路由
IM负载均衡组件，负责验证客户端身份，以及转发http请求到对应的后台服务
IM HTTP接口服务，负责IM相关数据的查询、设置以及历史消息同步
- qtalk_cowboy(后面所有的接口都会迁移到im_http_service，这个服务会废弃)
IM HTTP接口服务，负责IM相关数据的查询、设置以及历史消息同步，后面会全部迁移到im_http_service上
IM文件服务，负责文件的上传和下载
- redis
IM缓存服务
- postgresql
IM数据库服务
前提条件：
- 所有项目都安装到/home/work下面
- 安装用户和用户组是：foo:foo，要保证foo用户有sudo权限
- 家目录下有download文件夹，所有文件会下载到该文件夹下
- 数据库用户名密码是ejabberd:123456，服务地址是：127.0.0.1
- redis密码是：123456，服务地址是：127.0.0.1
- 数据库初始化sql在doc目录下
- 保证可访问主机的：5222、5202、8080端口
- IM服务的域名是:qtalk.test.org
依赖包
# sudo yum install epel-release
# sudo yum -y update
# sudo yum -y groupinstall Base "Development Tools" "Perl Support"
# sudo yum -y install openssl openssl-devel unixODBC unixODBC-devel pkgconfig libSM libSM-devel libxslt ncurses-devel libyaml libyaml-devel expat expat-devel libxml2-devel libxml2 java-1.8.0-openjdk java-1.8.0-openjdk-devel pam-devel pcre-devel gd-devel bzip2-devel zlib-devel libicu-devel libwebp-devel gmp-devel curl-devel postgresql-devel libtidy libtidy-devel recode aspell libmcrypt libmemcached gd
redis安装
sudo yum install -y redis
sudo vim /etc/redis.conf
daemonize yes
requirepass 123456
启动redis
sudo redis-server /etc/redis.conf
数据库安装
sudo yum -y install https://download.postgresql.org/pub/repos/yum/11/redhat/rhel-7-x86_64/pgdg-centos11-11-2.noarch.rpm
sudo yum -y install postgresql11 postgresql11-server postgresql11-libs
sudo /usr/pgsql-11/bin/postgresql-11-setup initdb
sudo systemctl enable postgresql-11
sudo systemctl start postgresql-11
修改posgres的密码
sudo passwd postgres
su - postgres
psql -f /home/monkboy/download/qtalk.sql
psql
# ALTER USER ejabberd WITH PASSWORD '123456';
插入测试账号：
# insert into host_info (host, description, host_admin) values ('qtalk.test.org', 'qtalk.test.org', 'test');
# insert into host_users (host_id, user_id, user_name, department, dep1, pinyin, frozen_flag, version, user_type, hire_flag, gender, password, initialpwd, ps_deptid) values ('1', 'test', '测试账号', '/机器人', '机器人', 'test', '0', '1', 'U', '1', '1', '1234567890', '1', 'qtalk');
# insert into vcard_version (username, version, profile_version, gender, host, url) values ('test', '1', '1', '1', 'qtalk.test.org', 'https://qt.qunar.com/file/v2/download/avatar/1af5bc967f8535a4af19eca10dc95cf1.png');
修改配置文件
[monkboy@monk download]$ sudo vim /var/lib/pgsql/11/data/pg_hba.conf
# "local" is for Unix domain socket connections only
local all all peer
# IPv4 local connections:
host all all 127.0.0.1/32 md5
# IPv6 local connections:
host all all ::1/128 md5
新建安装目录
# sudo mkdir /home/work
# sudo chown foo:foo /home/work
下载源码
# cd /home/foo/download
# git clone https://github.com/memacs/ejabberd-open.git
# git clone https://github.com/memacs/or_open.git
# git clone https://github.com/memacs/qtalk_cowboy_open.git
openresry安装
# cd /home/foo/download
# wget https://openresty.org/download/openresty-1.13.6.2.tar.gz
# tar -zxvf openresty-1.13.6.2.tar.gz
# ./configure --prefix=/home/work/openresty
# make
# make install
or安装
# cd /home/foo/download
# cd or_open
# cp -rf conf /home/work/openresty/nginx
# cp -rf lua_app /home/work/openresty/nginx
or配置修改
location的配置
/home/work/openresry/nginx/conf/conf.d/subconf/or.server.location.package.qtapi.conf
upstream的配置
/home/work/openresry/nginx/conf/conf.d/upstreams/qt.qunar.com.upstream.conf
redis连接地址配置
/home/work/openresry/nginx/lua_app/checks/qim/qtalkredis.lua
or操作
启动：/home/work/openresry/nginx/sbin/nginx
停止：/home/work/openresry/nginx/sbin/nginx -s stop
安装erlang
# cd /home/foo/download
# wget http://erlang.org/download/otp_src_19.3.tar.gz
# tar -zxvf otp_src_19.3.tar.gz
# cd otp_src_19.3
# ./configure --prefix=/home/work/erlang1903
# make
# make install
添加PATH
# vim ~/.bash_profile
----------------------------------
# User specific environment and startup programs
ERLANGPATH=/home/work/erlang1903
PATH=$PATH:$HOME/bin:$ERLANGPATH/bin
----------------------------------
# . .bash_profile
安装ejabberd
# cd /home/foo/download
# cd ejabberd-open/
# ./configure --prefix=/home/work/ejabberd --with-erlang=/home/work/erlang1903 --enable-pgsql --enable-full-xml
# make
# make install
# cp ejabberd.yml.qunar /home/work/ejabberd/etc/ejabberd/ejabberd.yml
# cp ejabberdctl.cfg.qunar /home/work/ejabberd/etc/ejabberd/ejabberdctl.cfg
# vim /home/work/ejabberd/etc/ejabberd/ejabberd.yml
# vim /home/work/ejabberd/etc/ejabberd/ejabberdctl.cfg
ejabberd配置
参考 https://github.com/qunarcorp/ejabberd-open/blob/master/doc/setting.md
启动ejabberd
# cd /home/work/ejabberd
启动
# ./sbin/ejabberdctl start
停止
# ./sbin/ejabberdctl stop
安装qtalk_cowboy
# cd /home/foo/download
# cp -rf qtalk_cowboy_open /home/work/qtalk_cowboy
# cd /home/work/qtalk_cowboy/
# ./rebar compile
启动qtalk_cowboy
# ./bin/ejb_http_server start
停止qtalk_cowboy
# ./bin/ejb_http_server stop
安装java服务
# cd /home/foo/download/
# cp -rf or_open/deps/tomcat /home/work/
# cd tomcat
放置war
+ 将im_http_service.war放到/home/work/tomcat/im_http_service/webapps下面
+ 将qfproxy.war放到/home/work/tomcat/qfproxy/webapps下面
修改导航地址：
# vim /home/work/tomcat/im_http_service/webapps/im_http_service/WEB-INF/classes/nav.json
-
{
"Login": {
"loginType": "password"
},
"baseaddess": {
"simpleapiurl": "http://ip:8080",
"fileurl": "http://ip:8080",
"domain": "qtalk.test.org",
"javaurl": "http://ip:8080/package",
"protobufPcPort": 5202,
"xmpp": "ip",
"xmppport": 5222,
"protobufPort": 5202,
"pubkey": "rsa_public_key",
"xmppmport": 5222,
"httpurl": "http://ip:8080/newapi",
"apiurl": "http://ip:8080/api"
},
"imConfig": {
"RsaEncodeType": 1,
"showOrganizational": true
},
"version": 10005
}
-
将ip替换成对应机器的ip地址
修改文件服务器配置
# vim /home/work/tomcat/qfproxy/webapps/qfproxy/WEB-INF/classes/qfproxy.properties
project.host.and.port=http://ip:8080
将ip替换成对应机器的ip地址
启动java服务
# cd /home/work/tomcat/im_http_service
# ./tomcat.sh start
# cd /home/work/tomcat/qfproxy
# mkdir upload //新建文件存储的目录
# ./tomcat.sh start
客户端配置导航地址：http://ip:8080/newapi/nck/qtalk_nav.qunar，使用账号：test，密码：1234567890登陆
参考文档setting.md
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