我目前正在尝试将nexus3配置为docker镜像的私有注册表,其中nginx用作反向代理。在nexus中创建了3个repos,即NexusDockerProxy(docker proxy),NexusDockerHosted(docker hosted,http port:4444)& NexusDockerGroup(docker group,http port:5555)同时添加了托管和代理。
nexus配置了nginx,我们使用自签名证书并将其添加到nginx配置文件中。
server {
proxy_send_timeout 120;
proxy_read_timeout 300;
proxy_buffering off;
tcp_nodelay on;
server_tokens off;
client_max_body_size 1G;
listen 80;
server_name server908.int.org.com;
location / {
rewrite ^(.*) https://server908.int.org.com$1 permanent;
}
}
server {
listen 443;
server_name server908.int.org.com;
keepalive_timeout 60;
ssl on;
ssl_certificate /etc/ssl/certs/orgnexus.crt;
ssl_certificate_key /etc/ssl/certs/orgnexus.key;
ssl_ciphers HIGH:!kEDH:!ADH:!MD5:@STRENGTH;
ssl_session_cache shared:TLSSSL:16m;
ssl_session_timeout 10m;
ssl_prefer_server_ciphers on;
location / {
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto "https";
proxy_pass http://server908.int.org.com:8082;
proxy_read_timeout 90;
}
}
# correlates to your nexus http connector
server {
listen 6666;
server_name server908.int.org.com;
keepalive_timeout 60;
ssl on;
ssl_certificate /etc/ssl/certs/orgnexus.crt;
ssl_certificate_key /etc/ssl/certs/orgnexus.key;
ssl_ciphers HIGH:!kEDH:!ADH:!MD5:@STRENGTH;
ssl_session_cache shared:TLSSSL:16m;
ssl_session_timeout 10m;
ssl_prefer_server_ciphers on;
client_max_body_size 1G;
chunked_transfer_encoding on;
location / {
access_log /var/log/nginx/docker.log;
proxy_set_header Host $http_host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto "https";
#proxy_pass http://server908.int.org.com:4444;
proxy_pass http://server908.int.org.com:5555;
proxy_read_timeout 90;
}
}
我们在" / etc / default / docker"中注释了以下条目档案。
http_proxy=http://x.x.x.x:3128
https_proxy=http://x.x.x.x:3128
登录也很成功
[root@server446 ~]$ docker login -u admin -p admin123 server908.int.org.com:6666
Login Succeeded
搜索图像也很好。
[dockertest@server446 ~]$ docker search server908.int.org.com:6666/fedora
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
org.com server908.int.org.com:6666/fedora Official Docker builds of Fedora 544 [OK]
org.com server908.int.org.com:6666/fedora/apache 33 [OK]
org.com server908.int.org.com:6666/fedora/couchdb 32 [OK]
org.com server908.int.org.com:6666/fedora/firefox 23 [OK]
org.com server908.int.org.com:6666/fedora/mariadb 23 [OK]
org.com server908.int.org.com:6666/fedora/qpid 20 [OK]
org.com server908.int.org.com:6666/fedora/redis 20 [OK]
org.com server908.int.org.com:6666/fedora/ssh 20 [OK]
org.com server908.int.org.com:6666/fedora/nginx 19 [OK]
org.com server908.int.org.com:6666/fedora/memcached 18 [OK]
org.com server908.int.org.com:6666/fedora/rabbitmq 18 [OK]
org.com server908.int.org.com:6666/fedora/earthquake 17 [OK]
org.com server908.int.org.com:6666/fedora/nodejs 15 [OK]
org.com server908.int.org.com:6666/mattsch/fedora-nzbhydra Fedora NZBHydra 4 [OK]
org.com server908.int.org.com:6666/dockingbay/fedora-rust Trusted build of Rust programming language... 3 [OK]
org.com server908.int.org.com:6666/gluster/gluster-fedora Official GlusterFS image [ Fedora ( latest... 3 [OK]
org.com server908.int.org.com:6666/startx/fedora Simple container used for all startx based... 3 [OK]
org.com server908.int.org.com:6666/eminguez/flexget-fedora Flexget Docker Container based in Fedora t... 2 [OK]
org.com server908.int.org.com:6666/eminguez/transmission-fedora Transmission Fedora (fedora:latest) docker... 2 [OK]
org.com server908.int.org.com:6666/fedora/owncloud 2 [OK]
org.com server908.int.org.com:6666/gdepuille/fedora-ansible Image to test Ansible playbook with Fedora 2 [OK]
org.com server908.int.org.com:6666/kumarpraveen/fedora-sshd Fedora docker file for ssh service which m... 2 [OK]
org.com server908.int.org.com:6666/vbatts/fedora-varnish https://github.com/vbatts/laughing-octo/tr... 2 [OK]
org.com server908.int.org.com:6666/darksheer/fedora Hourly update latest Fedora Image 1 [OK]
org.com server908.int.org.com:6666/darksheer/fedora22 Base Fedora 22 Image -- Updated hourly
1 [OK]
但我们在试图拉动图像时面临以下问题。
[dockertest@server446 ~]$ docker pull server908.int.org.com:6666/fedora
Using default tag: latest
Trying to pull repository server908.int.org.com:6666/fedora ...
latest: Pulling from server908.int.org.com:6666/fedora
691bc14ee274: Pulling fs layer
error pulling image configuration: unknown blob
使用nexus日志,我看到以下认证错误。
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:387) [na:1.8.0_91]
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292) [na:1.8.0_91]
at sun.security.validator.Validator.validate(Validator.java:260) [na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324) [na:1.8.0_91]
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229) [na:1.8.0_91]
不确定要查找的证书以及
的位置同样推送我们会得到404错误,如下所示。
[dockertest@server446 ~]$ docker push server908.int.org.com:6666/maven:1
The push refers to a repository [server908.int.org.com:6666/maven]
701925f78142: Layer already exists
78bb4fee972f: Layer already exists
e1300844f726: Layer already exists
bfee0515af91: Preparing
2afcf4c557eb: Preparing
72cfa243711c: Waiting
9bf603e17b04: Waiting
70b22baddf90: Waiting
596ecbaf3ba4: Waiting
445ed6ee6867: Waiting
c59fa6cbcbd9: Waiting
8d4d1ab5ff74: Waiting
error parsing HTTP 404 response body: invalid character '<' looking for beginning of value:
当proxy_pass设置为&#34; http://server908.int.org.com:4444&#34;即NexusDockerHosted(docker托管,http端口:4444,我们可以使用nexus登录,推送和拉动,但无法从互联网泊坞窗集线器中提取新图像。我们得到以下错误。
[root@server446 ~]$ docker pull server908.int.org.com:6666/centos
Using default tag: latest
Trying to pull repository server908.int.org.com:6666/centos ...
manifest unknown: manifest unknown
nexus documentaion没有提供任何明确的说明。我错过了nginx或docker或nexus中的重要内容。我在下面引用参考文献。
https://stackoverflow.com/questions/39148462/docker-login-not-working-with-nexus-3-private-registry
Nexus3 Documentation for Docker Hosting
任何有助于获得码头工作人员的帮助都非常有用,谢谢。
答案 0 :(得分:0)
我不相信Nexus是一个拉动缓存。你可以直接从集线器拉出来。然后,您可以标记您的图像并将其推送到您想要的图像。
docker pull centos
docker tag centos local.registry:5000/centos
docker push local.registry:5000/centos
答案 1 :(得分:0)
我可以通过在nexus中完成一个小调整来拉动图像。通过以下链接,我可以从docker hub搜索并从nexus中提取不可用的图像。
[dockertest@server446 ~]$ docker search server908.int.org.com:6666/mac
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
org.com server908.int.org.com:6666/crate CrateDB is a distributed SQL database hand... 79 [OK]
org.com server908.int.org.com:6666/maccam912/meanjs MEANJS (not MEANIO) starting point for dev... 27 [OK]
org.com server908.int.org.com:6666/macadmins/puppetmaster Simple puppetmaster based on CentOS 6 25 [OK]
org.com server908.int.org.com:6666/macadmins/bsdpy Apple NetBoot replacement written in Pytho... 18 [OK]
org.com server908.int.org.com:6666/macadmins/reposado Host Apple Software Updates from a Docker ... 12 [OK]
org.com server908.int.org.com:6666/mackerel/mackerel-agent 11 [OK]
org.com server908.int.org.com:6666/macadmins/munkiwebadmin This Docker container runs MunkiWebAdmin. ... 8 [OK]
org.com server908.int.org.com:6666/macadmins/postgres Postgres that accepts remote connections b... 8 [OK]
org.com server908.int.org.com:6666/macropin/strider Possibly the best `Dockerfile` for Strider-CD 8 [OK]
org.com server908.int.org.com:6666/mace/openvpn-as OpenVPN Access-Server with WebUI 7 [OK]
org.com server908.int.org.com:6666/frolvlad/alpine-python-machinelearning Small Docker image with Python Machine Lea... 6 [OK]
org.com server908.int.org.com:6666/macadmins/munkireport-php Docker autobuild repository for https://re... 6 [OK]
org.com server908.int.org.com:6666/mace/qbittorrent qBittorrent build from source 6 [OK]
org.com server908.int.org.com:6666/macropin/sshd (deprecated) Use docker.io/panubo/sshd 5 [OK]
org.com server908.int.org.com:6666/macadmins/macnamer 4 [OK]
org.com server908.int.org.com:6666/macadmins/puppetmaster-whdcli Puppetmaster + WHDCLI for autosigning base... 4 [OK]
org.com server908.int.org.com:6666/macadmins/sal An image that runs [Sal](https://github.co... 4 [OK]
org.com server908.int.org.com:6666/macropin/roundcube Docker container for Roundcube webmail 4 [OK]
org.com server908.int.org.com:6666/uetchy/machinelearning Dockerfile for scientists studying Machine... 4 [OK]
org.com server908.int.org.com:6666/clearlinux/machine-learning Machine Learning Container 3 [OK]
org.com server908.int.org.com:6666/hartator/wayback-machine-downloader Download an entire archive from the Waybac... 3 [OK]
org.com server908.int.org.com:6666/macadmins/whd Docker container for SolarWinds WebHelpDesk 3 [OK]
org.com server908.int.org.com:6666/macinv/gunicorn-example A simple Gunicorn example 2 [OK]
org.com server908.int.org.com:6666/macropin/mailman Mailman all in one container 2 [OK]
org.com server908.int.org.com:6666/spacemacs/emacs25 Spacemacs running on Emacs 25. 2 [OK]
[dockertest@server446 ~]$ docker pull server908.int.org.com:6666/macadmins/puppetmaster
Using default tag: latest
Trying to pull repository server908.int.org.com:6666/macadmins/puppetmaster ...
sha256:bf7a53a0ddb6cd0371cfec3fe6131347b5a3712c2cf282400c979ed254a38f67: Pulling from server908.int.org.com:6666/macadmins/puppetmaster
0d399614d56a: Pull complete
75e4c6031170: Pull complete
12a00ed15a39: Pull complete
6fb754ec65e3: Pull complete
9b6cf7664f02: Pull complete
07db30a930a5: Pull complete
ccdd2cf9b303: Pull complete
820dfdfc6db7: Pull complete
78c5dec8ba5d: Pull complete
Digest: sha256:bf7a53a0ddb6cd0371cfec3fe6131347b5a3712c2cf282400c979ed254a38f67
Status: Downloaded newer image for server908.int.org.com:6666/macadmins/puppetmaster:latest