GitLab CI：SSH失败，无法认证私钥

编程问答 2022-08-16

问题描述

我遵循此link尝试通过SSH到Gitlab-CI中的服务器。对于SSH密钥，我进入了服务器，并生成了公共和私有密钥。私钥被提取到GitLab CI / CD env变量中。

YAML模板如下，主要从链接中复制。

    image: docker:19.03.8
      services:
        - docker:19.03.8-dind

    deployment:
      variables:
        ip: <ip-address>
      script:
        - apk add --update openssh-client sshpass
        - eval $(ssh-agent -s)
        - echo "$SSH_PRIVATE_KEY" | ssh-add - > /dev/null
        - mkdir -p ~/.ssh
        - chmod 700 ~/.ssh
        - export SSHPASS=$AWS_PASSWORD
        - sshpass -e ssh -o StrictHostKeyChecking=no -vvv ubuntu@$ip echo testing

但是，我在尝试访问私钥时遇到错误。

    debug1: Authentications that can continue: publickey,password
    debug1: Trying private key: /root/.ssh/id_rsa
    debug3: no such identity: /root/.ssh/id_rsa: No such file or directory
    debug1: Trying private key: /root/.ssh/id_dsa
    debug3: no such identity: /root/.ssh/id_dsa: No such file or directory
    debug1: Trying private key: /root/.ssh/id_ecdsa
    debug3: no such identity: /root/.ssh/id_ecdsa: No such file or directory
    debug1: Trying private key: /root/.ssh/id_ed25519
    debug3: no such identity: /root/.ssh/id_ed25519: No such file or directory
    debug1: Trying private key: /root/.ssh/id_xmss
    debug3: no such identity: /root/.ssh/id_xmss: No such file or directory
    debug2: we did not send a packet,disable method
    debug3: authmethod_lookup password
    debug3: remaining preferred:,password
    debug3: authmethod_is_enabled password
    debug1: Next authentication method: password
    debug3: send packet: type 50
    debug2: we sent a password packet,wait for reply
    debug3: receive packet: type 51
    debug1: Authentications that can continue: publickey,password
    Permission denied,please try again.

如果有帮助，我正在使用gitlab共享运行程序。

[更新]

忘记将其添加到要连接的服务器中，我将生成的id_rsa.pub的公钥添加到authorized_keys文件中。

[编辑1]

根据建议，我使用ssh-keyscan添加了已知主机，以将输出复制为变量$ SSH_KNOWN_HOSTS。在更新的yaml文件下面。但是我遇到了同样的错误。

    deployment:
      variables:
        ip: <ip-address>
      script:
        - apk add --update openssh-client sshpass
        - eval $(ssh-agent -s)
        - echo "$SSH_PRIVATE_KEY" | ssh-add - > /dev/null
        - mkdir -p ~/.ssh
        - chmod 700 ~/.ssh
        - touch ~/.ssh/known_hosts
        - echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
        - chmod 644 ~/.ssh/known_hosts
        - export SSHPASS=$AWS_PASSWORD
        - sshpass -e ssh -o StrictHostKeyChecking=no -vvv ubuntu@$ip echo testing

解决方法

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gitlab-cisshsshsshpass