在Ubuntu下安装open-falcon和Centos下安装的方法有点区别，因为Ubuntu使用的包管理器是apt-get，而Centos下使用的是Yum，建议不要再Ubuntu下使用yum

建议自己下载源码打包二进制包来安装，因为官方给出的二进制包应该是再centos下打包的，再Ubuntu下运行可能会出现问题

1.安装Go，首先去官网下载，需要fq

https://golang.org

顺便安装Goland，注册服务器 http://idea.youbbs.org

2.在/etc/profile中添加，后source /etc/profile

#Go

export GOROOT=/home/lintong/software/go

export PATH=$PATH:$GOROOT/bin:$GOPATH/bin

export GOPATH=/home/lintong/software/gopath

验证是否安装成功

go version

go version go1.10.2 linux/amd64

接下来参考

Ubuntu 16.04 部署 open-falcon

运维监控系统之Open-Falcon

Open-falcon的官方README

3.安装redis和mysql

sudo apt-get install redis-server

sudo apt-get install mysql-server

确保两个服务已经启动

systemctl status mysql redis-server

4.下载open-falcon源码，地址

https://github.com/open-falcon/falcon-plus

初始化MySQL表结构

mkdir -p $GOPATH/src/github.com/open-falcon

cd $GOPATH/src/github.com/open-falcon/falcon-plus/scripts/mysql/db_schema/

mysql -h 127.0.0.1 -u root -p < 1_uic-db-schema.sql

mysql -h 127.0.0.1 -u root -p < 2_portal-db-schema.sql

mysql -h 127.0.0.1 -u root -p < 3_dashboard-db-schema.sql

mysql -h 127.0.0.1 -u root -p < 4_graph-db-schema.sql

mysql -h 127.0.0.1 -u root -p < 5_alarms-db-schema.sql

5. 编译二进制包

cd $GOPATH/src/github.com/open-falcon/falcon-plus/

# make all modules

make all

# make specified module

make agent

# pack all modules

make pack

打包成功，在目录下多了文件open-falcon-v0.2.1.tar.gz

lintong@lintong-B250M-DS3H:~/software/go/src/github.com/open-falcon/falcon-plus$ make all

go build -o bin/agent/falcon-agent ./modules/agent

go build -o bin/aggregator/falcon-aggregator ./modules/aggregator

go build -o bin/graph/falcon-graph ./modules/graph

go build -o bin/hbs/falcon-hbs ./modules/hbs

go build -o bin/judge/falcon-judge ./modules/judge

go build -o bin/nodata/falcon-nodata ./modules/nodata

go build -o bin/transfer/falcon-transfer ./modules/transfer

go build -o bin/gateway/falcon-gateway ./modules/gateway

go build -o bin/api/falcon-api ./modules/api

go build -o bin/alarm/falcon-alarm ./modules/alarm

go build -ldflags "-X main.GitCommit=`git rev-parse --short HEAD` -X main.Version=0.2.1" -o open-falcon

lintong@lintong-B250M-DS3H:~/software/go/src/github.com/open-falcon/falcon-plus$ make agent

go build -o bin/agent/falcon-agent ./modules/agent

lintong@lintong-B250M-DS3H:~/software/go/src/github.com/open-falcon/falcon-plus$ make pack

go build -ldflags "-X main.GitCommit=`git rev-parse --short HEAD` -X main.Version=0.2.1" -o open-falcon

tar -C out -zcf open-falcon-v0.2.1.tar.gz .

6.解压到安装目录

mkdir ~/software/open-falcon-v0.2.1

tar -zxvf open-falcon-v0.2.1.tar.gz -C ~/software/open-falcon-v0.2.1/

7.安装open-falcon的前端框架dashboard

cd ~/software/open-falcon-v0.2.1

git clone https://github.com/open-falcon/dashboard.git

8.修改数据库密码，因为open-falcon需要操作数据库，这一步是官方教程中没有提到的

如果没有进行修改的话，在open-falcon-v0.2.1目录下使用./open-falcon start命令进行启动之后，使用./open-falcon check检查组件的状态，有些使用mysql的组件的状态是down

下面列出了使用mysql的组件，总共有6个：aggregator，graph、hbs、nodata、api、alarm模块

需要对这些组件的配置文件进行修改：

vim ~/software/open-falcon-v0.2.1/aggregator/config/cfg.json

修改成

其他配置文件的修改方式类似

vim graph/config/cfg.json


vim hbs/config/cfg.json


vim nodata/config/cfg.json


vim api/config/cfg.json # 5处全部修改


vim alarm/config/cfg.json

接下来需要在前端组件中，配置数据库密码

cd ~/software/open-falcon-v0.2.1/dashboard/rrd

vim config.py

9.安装Python的依赖，在Ubuntu下不要使用Yum

sudo apt-get install python-pip python-virtualenv

sudo apt-get install python-dev

sudo apt-get install ldap-utils

sudo apt-get install libmysqld-dev

10.安装virtualenv的运行环境，在服务器上是不建议直接pip安装的，因为Python包的冲突可能会影响到别人的服务

~/software/open-falcon-v0.2.1/dashboard

virtualenv ./env

./env/bin/pip install -r pip_requirements.txt -i https://pypi.douban.com/simple

如果出现 Failed building wheel for python-ldap 的问题
请参考      Installing python-ldap in Ubuntu

sudo apt-get install python-dev

sudo apt-get install libldap2-dev

sudo apt-get install libsasl2-dev

# 然后再

./env/bin/pip install python-ldap

请确保每个Python包都安装到位，成功如下

./env/bin/pip install -r pip_requirements.txt -i https://pypi.douban.com/simple

Looking in indexes: https://pypi.douban.com/simple

Requirement already satisfied: Flask==0.10.1 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 1)) (0.10.1)

Requirement already satisfied: Flask-Babel==0.9 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 2)) (0.9)

Requirement already satisfied: Jinja2==2.7.2 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 3)) (2.7.2)

Requirement already satisfied: Werkzeug==0.9.4 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 4)) (0.9.4)

Requirement already satisfied: gunicorn==19.1.1 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 5)) (19.1.1)

Requirement already satisfied: python-dateutil==2.2 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 6)) (2.2)

Requirement already satisfied: requests==2.3.0 in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 7)) (2.3.0)

Requirement already satisfied: mysql-python in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 8)) (1.2.5)

Requirement already satisfied: python-ldap in ./env/lib/python2.7/site-packages (from -r pip_requirements.txt (line 9)) (3.0.0)

Requirement already satisfied: itsdangerous>=0.21 in ./env/lib/python2.7/site-packages (from Flask==0.10.1->-r pip_requirements.txt (line 1)) (0.24)

Requirement already satisfied: speaklater>=1.2 in ./env/lib/python2.7/site-packages (from Flask-Babel==0.9->-r pip_requirements.txt (line 2)) (1.3)

Requirement already satisfied: Babel>=1.0 in ./env/lib/python2.7/site-packages (from Flask-Babel==0.9->-r pip_requirements.txt (line 2)) (2.5.3)

Requirement already satisfied: markupsafe in ./env/lib/python2.7/site-packages (from Jinja2==2.7.2->-r pip_requirements.txt (line 3)) (1.0)

Requirement already satisfied: six in ./env/lib/python2.7/site-packages (from python-dateutil==2.2->-r pip_requirements.txt (line 6)) (1.11.0)

Requirement already satisfied: pyasn1-modules>=0.1.5 in ./env/lib/python2.7/site-packages (from python-ldap->-r pip_requirements.txt (line 9)) (0.2.1)

Requirement already satisfied: pyasn1>=0.3.7 in ./env/lib/python2.7/site-packages (from python-ldap->-r pip_requirements.txt (line 9)) (0.4.2)

Requirement already satisfied: pytz>=0a in ./env/lib/python2.7/site-packages (from Babel>=1.0->Flask-Babel==0.9->-r pip_requirements.txt (line 2)) (2018.4)

11.启动open-falcon的后端，注意check的时候，每个组件需要都是up状态，down状态说明出了问题

cd ~/software/open-falcon-v0.2.1

./open-falcon start

[falcon-graph] 16736

[falcon-hbs] 16749

[falcon-judge] 16763

[falcon-transfer] 16774

[falcon-nodata] 16786

[falcon-aggregator] 16797

[falcon-agent] 16809

[falcon-gateway] 16819

[falcon-api] 16829

[falcon-alarm] 16844

./open-falcon check

        falcon-graph         UP           16736

          falcon-hbs         UP           16749

        falcon-judge         UP           16763

     falcon-transfer         UP           16774

       falcon-nodata         UP           16786

   falcon-aggregator         UP           16797

        falcon-agent         UP           16809

      falcon-gateway         UP           16819

          falcon-api         UP           16829

        falcon-alarm         UP           16844

以开发者模式启动前端组件

./env/bin/python wsgi.py

12.访问 127.0.0.1:8081，注册一个自己的账号和密码，然后登录，成功

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