redash安装及使用

在使用redash之前，用了传统的BI套件，十分臃肿。

redash由两部分构成：

a.查询编辑器：通过共享数据集和生成数据集的查询，以开放的方式在组织内中共享数据。

b.可视化和仪表板：一旦有了数据集，就可以从中创建不同的可视化，然后组合到一个仪表板。

目前redash支持的数据源有很多，具体请参考：https://redash.io/help/data-sources/supported-data-sources

github地址为：https://github.com/getredash/redash

1.安装，通过docker方式可以很快部署redash

git clone [email protected]:getredash/redash.git
cd redash/

编辑docker-compose.production.yml文件，将数据目录映射出来以及更改密码

  postgres:
    image: postgres:9.5.6-alpine
    volumes:
      - /opt/postgres-data:/var/lib/postgresql/data
    restart: always
  nginx:
    image: redash/nginx:latest
    ports:
      - "80:80"
    depends_on:
      - server
    links:
      - server:redash
    restart: always

  REDASH_COOKIE_SECRET: youPassword

运行命令已完成数据哭初始化操作

docker-compose -f docker-compose.production.yml run --rm server create_db

利用docker-compose启动docker

docker-compose -f docker-compose.production.yml up

通过访问http://youipaddress 填写用户及邮箱已完成用户设置操作

2.遇到添加用户后无法删除问题

进入数据库删除用户表中相关数据

[root@openstack redash]# docker ps
CONTAINER ID        IMAGE                   COMMAND                  CREATED             STATUS              PORTS                         NAMES
c3e12be05bd3        redash/nginx:latest     "nginx -g 'daemon ..."   4 hours ago         Up 4 hours          0.0.0.0:80->80/tcp, 443/tcp   redash_nginx_1
ef2caba3e543        redash/redash:latest    "/app/bin/docker-e..."   4 hours ago         Up 4 hours          0.0.0.0:5000->5000/tcp        redash_server_1
7d215d47c2c9        redash/redash:latest    "/app/bin/docker-e..."   4 hours ago         Up 4 hours          5000/tcp                      redash_worker_1
9dd851b22ecb        redis:3.0-alpine        "docker-entrypoint..."   4 hours ago         Up 4 hours          6379/tcp                      redash_redis_1
c9def3889285        postgres:9.5.6-alpine   "docker-entrypoint..."   4 hours ago         Up 4 hours          5432/tcp                      redash_postgres_1

[root@openstack redash]# docker exec -it c9def3889285 /bin/bash
bash-4.3# su - postgres
c9def3889285:~$ psql
psql (9.5.6)
Type "help" for help.

postgres=# \l
                                 List of databases
   Name    |  Owner   | Encoding |  Collate   |   Ctype    |   Access privileges   
-----------+----------+----------+------------+------------+-----------------------
 postgres  | postgres | UTF8     | en_US.utf8 | en_US.utf8 | 
 template0 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
 template1 | postgres | UTF8     | en_US.utf8 | en_US.utf8 | =c/postgres          +
           |          |          |            |            | postgres=CTc/postgres
(3 rows)

postgres=#

postgres=# \c postgres
You are now connected to database "postgres" as user "postgres".
postgres=# \dt
                   List of relations
 Schema |           Name            | Type  |  Owner   
--------+---------------------------+-------+----------
 public | access_permissions        | table | postgres
 public | alembic_version           | table | postgres
 public | alert_subscriptions       | table | postgres
 public | alerts                    | table | postgres
 public | api_keys                  | table | postgres
 public | changes                   | table | postgres
 public | dashboards                | table | postgres
 public | data_source_groups        | table | postgres
 public | data_sources              | table | postgres
 public | events                    | table | postgres
 public | groups                    | table | postgres
 public | notification_destinations | table | postgres
 public | organizations             | table | postgres
 public | queries                   | table | postgres
 public | query_results             | table | postgres
 public | query_snippets            | table | postgres
 public | users                     | table | postgres
 public | visualizations            | table | postgres
 public | widgets                   | table | postgres

postgres=# SELECT name FROM users;
 name  
-------
 admin
(1 row)

利用sql语句删除相关行即可，我这里无多余用户就不演示了

3.WEB页面很简单，增加data_source、query、dashboard