linux 安裝kong gateway

kong 實際上就是一個ngnix，通過增加插件的方式對請求做前置處理，主要是授權

一.安裝kong 服務；

https://konghq.com/install/  提供多種方式的安裝，建議使用docker進行安裝：

（centos的tar包的安裝方式，建議使用node.js 安裝 kong-dashboard）

最新版本的kong不支持kong-dashboard，所以我使用的版本是 v0.13.1

 

docker 安裝 kong服務，   https://docs.konghq.com/install/docker/

1. Create a Docker network

   You will need to create a custom network to allow the containers to discover and communicate with each other. In this example kong-net is the network name, you can use any name.

   $ docker network create kong-net 

2. Start your database

   If you wish to use a Cassandra container:

   $ docker run -d --name kong-database \ --network=kong-net \ -p 9042:9042 \ cassandra:3 

   If you wish to use a PostgreSQL container:

   $ docker run -d --name kong-database \ --network=kong-net \ -p 5432:5432 \ -e "POSTGRES_USER=kong" \ -e "POSTGRES_DB=kong" \ postgres:9.6 

3. Prepare your database

   Run the migrations with an ephemeral Kong container:

   $ docker run --rm \ --network=kong-net \ -e "KONG_DATABASE=postgres" \ -e "KONG_PG_HOST=kong-database" \ -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" \ kong:latest kong migrations up 

   In the above example, both Cassandra and PostgreSQL are configured, but you should update the KONG_DATABASE environment variable with either cassandra or postgres.

   Note: migrations should never be run concurrently; only one Kong node should be performing migrations at a time.

4. Start Kong

   When the migrations have run and your database is ready, start a Kong container that will connect to your database container, just like the ephemeral migrations container:

   $ docker run -d --name kong \ --network=kong-net \ -e "KONG_DATABASE=postgres" \ -e "KONG_PG_HOST=kong-database" \ -e "KONG_CASSANDRA_CONTACT_POINTS=kong-database" \ -e "KONG_PROXY_ACCESS_LOG=/dev/stdout" \ -e "KONG_ADMIN_ACCESS_LOG=/dev/stdout" \ -e "KONG_PROXY_ERROR_LOG=/dev/stderr" \ -e "KONG_ADMIN_ERROR_LOG=/dev/stderr" \ -e "KONG_ADMIN_LISTEN=0.0.0.0:8001, 0.0.0.0:8444 ssl" \ -p 8000:8000 \ -p 8443:8443 \ -p 8001:8001 \ -p 8444:8444 \  kong:0.13.1-centos 

5. Use Kong

   Kong is running:

   $ curl -i http://localhost:8001/ 

 能獲取到一大創json數據代表服務啟動成功

 

二安裝kong-dashboard    https://github.com/PGBI/kong-dashboard

 

Using Docker

# Start Kong Dashboard docker run --rm -p 8080:8080 pgbi/kong-dashboard start --kong-url http://kong:8001 # Start Kong Dashboard on a custom port docker run --rm -p [port]:8080 pgbi/kong-dashboard start --kong-url http://kong:8001 # Start Kong Dashboard with basic auth docker run --rm -p 8080:8080 pgbi/kong-dashboard start \ --kong-url http://kong:8001 \ --basic-auth user1=password1 user2=password2 # See full list of start options docker run --rm -p 8080:8080 pgbi/kong-dashboard start --help

 

注意點 如果kong的服務也是docker起的， kong-url的 address 應該為內網地址，localhost是無法連接的

 

如果使用了內網地址還無法連接，嘗試以下代碼：

1. Create bridge network
   docker network create my-net
2. Add Kong container to it
   docker network connect my-net kong
3. Provide network info when you run kong-dashboard
   docker run --rm --network my-net -p 8080:8080 pgbi/kong-dashboard start --kong-url http://kong:8001

訪問 http：//your-address：8001