Docker Hub使用新限制以及GitLab对它们的引入有何反应

从2020年11月2日开始,Docker Hub引入了下载映像的限制:对于匿名用户而言,它等于六个小时内下载一百个镜像;对于授权用户,它取决于订阅级别,这已不再是任何人的消息了

GitLab,我们非常关注这些更改,因为它们影响了几乎所有用户和客户。今天,我想谈一谈我们所做的更改以及我们如何适应新规则。

发生了什么?

Docker Hub DevOps : CI/CD , , sandbox, production. , , , , .

100 6 IP docker pull 429 - too many requests, CI/CD , Kubernetes . , , GitLab Runner , .

Dependency Proxy

Tim Rizzi " Dependency Proxy", Docker Hub. GitLab ( 11.11), Enterprise Premium. : " Dependency Proxy open source , - Docker Hub?"

, . , GitLab " ?". , , Core Open Source . Docker Hub . Dependency Proxy CI/CD .

, 13.6 22 2020 , GitLab !

?

, . , , Dependency Proxy / :

, Steve Azzopardi, , 100%. , - .

?

Docker  HTTP Docker Hub.

, :

$ IMAGE="ratelimitpreview/test"
$ TOKEN=$(curl "https://auth.docker.io/token?service=registry.docker.io&scope=repository:$IMAGE:pull" | jq -r .token)

$ echo $TOKEN

-  docker pull.  GET  HEAD  ( ).  RateLimit-Limit RateLimit-Remaining.

$ curl --head -H "Authorization: Bearer $TOKEN" https://registry-1.docker.io/v2/$IMAGE/manifests/latest

 2500,  2495  . 21600  ( )

RateLimit-Limit: 2500;w=21600
RateLimit-Remaining: 2495;w=21600

Michael Friedrich, GitLab, Python .

$ python check_docker_hub_limit.py --help

usage: check_docker_hub_limit.py [-h] [-w WARNING] [-c CRITICAL] [-v] [-t TIMEOUT]

Version: 2.0.0

optional arguments:
  -h, --help            show this help message and exit
  -w WARNING, --warning WARNING
                        warning threshold for remaining
  -c CRITICAL, --critical CRITICAL
                        critical threshold for remaining
  -v, --verbose         increase output verbosity
  -t TIMEOUT, --timeout TIMEOUT
                        Timeout in seconds (default 10s)

exit

  • 0- OK

  • 1- WARNING

  • 2- CRITICAL

$ python3 check_docker_hub_limit.py
OK - Docker Hub: Limit is 5000 remaining 4997|'limit'=5000 'remaining'=4997

$ echo $?
0

$ python3 check_docker_hub_limit.py -w 10000 -c 3000
WARNING - Docker Hub: Limit is 5000 remaining 4999|'limit'=5000 'remaining'=4999

$ echo $?
1

$ python3 check_docker_hub_limit.py -w 10000 -c 5000
CRITICAL - Docker Hub: Limit is 5000 remaining 4998|'limit'=5000 'remaining'=4998

$ echo $?
2

Prometheus

Prometheus, .

, , Prometheus, Grafana, docker-compose

$ cd example/docker-compose

$ docker-compose up -d

http://localhost:3000 Grafana

, !




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