haproxy 2.0 dataplaneapi rest api 转为graphql docker 镜像

为了方便直接使用haproxy dataplaneapi graphql 格式的查询，制作了一个简单的docker 镜像
基于dotenv 进行配置管理，可以直接通过环境变量传入参数，处理不同haproxy dataplaneapi 的地址

dockerfile

• 源码
  参考github https://github.com/rongfengliang/haproxy-dataplaneapi2graphql
• Dockerfile

 

FROM node:12.9.1-alpine

LABEL AUTHOR="dalongrong"

LABEL EMAIl="1141591465@qq.com"

WORKDIR /app

COPY app.js /app/app.js

COPY api.json /app/api.json

COPY package.json /app/package.json

COPY yarn.lock /app/yarn.lock

RUN yarn

EXPOSE 3009

ENTRYPOINT [ "yarn","app" ]

使用

• docker-compose 方式

version: "3"

services:

    graphql:

     ports:

     - "3009:3009"

     environment:

     - "URL=http://admin:dalong@haproxy:5555/v1/"

     image: dalongrong/haproxy-dataplaneapi2graphql

    haproxy:

     image: dalongrong/haproxy-dataplaneapi:2.0.5

     build: ./

     volumes:

     - "./haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg"

     - "./socket:/run/"

     ports:

     - "80:80"

     - "5555:5555"

     - "8404:8404"

     - "8080:8080"

     - "9000:9000"

     - "9001:9001"

     - "9002:9002"

     - "1000-1005:1000-1005"

     - "10080:10080"

    nginx1:

     image: nginx

     ports:

     - "8090:80"

    nginx2:

     image: nginx

     ports:

     - "8091:80"

• haproxy 参考配置

#

# This is the ultimate HAProxy 2.0 "Getting Started" config

# It demonstrates many of the features available which are now available 

# While you may not need all of these things, this can serve

# as a reference for your own configurations.

#

# Have questions? Check out our community Slack:

# https://slack.haproxy.org/

#

​

global

    # master-worker required for `program` section

    # enable here or start with -Ws

    master-worker

    mworker-max-reloads 3

    # enable core dumps

    set-dumpable

    user root

    group root

    log stdout local0

    stats socket /run/haproxy.sock mode 600 level admin

    stats timeout 2m

defaults

    mode http

    log global

    timeout client 5s

    timeout server 5s

    timeout connect 5s

    option redispatch

    option httplog

​

resolvers dns

    parse-resolv-conf

    resolve_retries 3

    timeout resolve 1s

    timeout retry 1s

    hold other 30s

    hold refused 30s

    hold nx 30s

    hold timeout 30s

    hold valid 10s

    hold obsolete 30s

program dataplane-api

    command /usr/local/sbin/dataplaneapi --host 0.0.0.0 --port 5555 --haproxy-bin /usr/local/sbin/haproxy --config-file /usr/local/etc/haproxy/haproxy.cfg --reload-cmd "kill -SIGUSR2 1" --reload-delay 5 --userlist api

    no option start-on-reload

userlist api 

   # user admin password $5$aVnIFECJ$2QYP64eTTXZ1grSjwwdoQxK/AP8kcOflEO1Q5fc.5aA

    user admin insecure-password dalong

frontend stats

    bind *:8404

    # Enable Prometheus Exporter

    http-request use-service prometheus-exporter if { path /metrics }

    stats enable

    stats uri /stats

    stats refresh 10s

​

frontend fe_main

    bind *:8080

    # Enable log sampling

    # One out of 10 requests would be logged to this source

    log 127.0.0.1:10001 sample 1:10 local0

    # For every 11 requests, log requests 2, 3, and 8-11

    log 127.0.0.1:10002 sample 2-3,8-11:11 local0

​

    # Log profiling data

    log-format "%ci:%cp [%tr] %ft %b/%s %TR/%Tw/%Tc/%Tr/%Ta %ST %B %CC %CS %tsc %ac/%fc/%bc/%sc/%rc %sq/%bq %hr %hs %{+Q}r cpu_calls:%[cpu_calls] cpu_ns_tot:%[cpu_ns_tot] cpu_ns_avg:%[cpu_ns_avg] lat_ns_tot:%[lat_ns_tot] lat_ns_avg:%[lat_ns_avg]"

​

    # gRPC path matching

    acl is_grpc_codename path /CodenameCreator/KeepGettingCodenames 

    # Dynamic 'do-resolve' trusted hosts

    acl dynamic_hosts req.hdr(Host) api.local admin.local haproxy.com

​

    # Activate Traffic Mirror

    # Redirect if not SSL

    # http-request redirect scheme https unless { ssl_fc }

​

    # Enable src tracking

    # http-request track-sc0 src table mypeers/src_tracking

​

    # Enable rate limiting

    # Return 429 Too Many Requests if client averages more than

    # 10 requests in 10 seconds.

    # (duration defined in stick table in peers section)

    http-request deny deny_status 429 if { sc_http_req_rate(0) gt 10 }

​

    # Enable local resolving of Host if within dynamic_hosts ACL

    # Allows connecting to dynamic IP address specified in Host header

    # Useful for DNS split view or split horizon

    http-request do-resolve(txn.dstip,dns) hdr(Host),lower if dynamic_hosts

    http-request capture var(txn.dstip) len 40 if dynamic_hosts

​

    # return 503 when dynamic_hosts matches but the variable 

    # txn.dstip is not set which mean DNS resolution error

    # otherwise route to be_dynamic

    use_backend be_503 if dynamic_hosts !{ var(txn.dstip) -m found }

    use_backend be_dynamic if dynamic_hosts

​

    # route to gRPC path

    use_backend be_grpc if is_grpc_codename 

​

    default_backend be_main

​

backend be_main

    # Enable Power of Two Random Choices Algorithm

    balance random(2)

    # Enable Layer 7 retries

    retry-on all-retryable-errors

    retries 3 

    # retrying POST requests can be dangerous

    # make sure you understand the implications before removing

    http-request disable-l7-retry if METH_POST

    server server1 nginx1:80 check inter 3s

    server server2 nginx2:80 check inter 3s

backend be_grpc

    default-server ssl verify none alpn h2 check maxconn 50

    server grpc1 10.1.0.11:3000 

    server grpc2 10.1.0.12:3000 

​

backend be_dynamic

    default-server ssl verify none check maxconn 50

​

    # rule to prevent HAProxy from reconnecting to services

    # on the local network (forged DNS name used to scan the network)

    http-request deny if { var(txn.dstip) -m ip 127.0.0.0/8 10.0.0.0/8 }

    http-request set-dst var(txn.dstip)

    server dynamic 0.0.0.0:0

​

backend spoe-traffic-mirror

    mode tcp

    balance roundrobin

    timeout connect 5s

    timeout server 1m

    server spoa1 127.0.0.1:12345

    server spoa2 10.1.0.20:12345

​

backend be_503

    # dummy backend used to return 503.

    # You can use the 'errorfile' directive to send a nice

    # 503 error page to end users.

    errorfile 503 /usr/local/etc/haproxy/errors/503.http

 

 

• docker 模式运行

docker run -d -p 3009:3009 -e URL=http://<user>:<password>@haproxyhost:5555/v1/s dalongrong/haproxy-dataplaneapi2graphql

• 一个查询效果

参考资料

https://github.com/rongfengliang/haproxy-dataplaneapi2graphql
https://github.com/yarax/swagger-to-graphql
https://www.npmjs.com/package/swagger-to-graphql
https://github.com/rongfengliang/haproxy2.0-prometheus
https://www.haproxy.com/documentation/hapee/1-9r1/configuration/dataplaneapi/