Question

我试图通过vagrant连接到docker实例。

这是我的Dockerfile：

FROM centos:7
#RUN yum -y update
RUN yum -y install openssh-server wget sudo
EXPOSE 22
RUN mkdir -p /home/vagrant/.ssh
RUN chmod 0700 /home/vagrant/.ssh
RUN useradd --create-home -s /bin/bash vagrant
WORKDIR /home/vagrant
RUN mkdir -p /home/vagrant/.ssh
RUN echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys
RUN chmod 0600 /home/vagrant/.ssh/authorized_keys
RUN chown -R vagrant: /home/vagrant/.ssh
RUN mkdir -p /etc/sudoers.d
RUN install -b -m 0440 /dev/null /etc/sudoers.d/vagrant
RUN echo 'vagrant ALL=NOPASSWD: ALL' >> /etc/sudoers.d/vagrant
RUN sed -i 's|#AuthorizedKeysFile|AuthorizedKeysFile|g' /etc/ssh/sshd_config
CMD ["/usr/sbin/sshd", "-D"]

这是我的Vagrantfile：

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure(2) do |config|
 config.vm.provider "docker" do |d|
    d.build_dir = "."
    d.name = "test"
    d.has_ssh = true
  end
  config.ssh.port = 22
end

在流浪汉之后，我明白了：

==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 172.17.0.2:22
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Connection refused. Retrying...
    default: Warning: Connection refused. Retrying...
    default: Warning: Connection refused. Retrying...

它最后一行打印很多次，没有点亮我用Ctrl-C停止它。

如果我只是运行docker build -t stacko。＆安培;＆安培; docker run stacko 进程将停留在此处：

Could not load host key: /etc/ssh/ssh_host_rsa_key
Could not load host key: /etc/ssh/ssh_host_ecdsa_key
Could not load host key: /etc/ssh/ssh_host_ed25519_key

可能出现什么问题？

我的解决方案

似乎问题在于docker主机密钥。所以我重新生成了它们

FROM centos:7

ENV container docker

# Stuck at “loaded plugins: fastestmirror” fix
RUN rm -f /var/lib/rpm/__*
RUN rpm --rebuilddb -v -v

RUN yum -y update
RUN yum -y install openssh-server openssh-clients sudo
RUN yum clean all

RUN rm -f /etc/ssh/ssh_host_rsa_key
RUN rm -f /etc/ssh/ssh_host_dsa_key
RUN rm -f /etc/ssh/ssh_host_ecdsa_key
RUN ssh-keygen -q -N "" -t rsa -f /etc/ssh/ssh_host_rsa_key
RUN ssh-keygen -q -N "" -t dsa -f /etc/ssh/ssh_host_dsa_key
RUN ssh-keygen -q -N "" -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key

RUN useradd -s /bin/bash vagrant
RUN echo -n 'vagrant:vagrant' | chpasswd
RUN mkdir -p /home/vagrant/.ssh
RUN chmod 0700 /home/vagrant/.ssh
RUN echo "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA6NF8iallvQVp22WDkTkyrtvp9eWW6A8YVr+kz4TjGYe7gHzIw+niNltGEFHzD8+v1I2YJ6oXevct1YeS0o9HZyN1Q9qgCgzUFtdOKLv6IedplqoPkcmF0aYet2PkEDo3MlTBckFXPITAMzF8dJSIFo9D8HfdOV0IAdx4O7PtixWKn5y2hMNG0zQPyUecp4pzC6kivAIhyfHilFR61RGL+GPXQ2MWZWFYbAGjyiYJnAmCP3NOTd0jMZEnDkbUvxhMmBYSdETk1rRgm+R4LOzFUGaHqHDLKLX+FIPKcF96hrucXzcWyLbIbEgE98OHlnVYCzRdK8jlqm8tehUc9c9WhQ== vagrant insecure public key" > /home/vagrant/.ssh/authorized_keys
RUN chmod 0600 /home/vagrant/.ssh/authorized_keys
RUN chown -R vagrant: /home/vagrant/.ssh
RUN mkdir -p /etc/sudoers.d
RUN install -b -m 0440 /dev/null /etc/sudoers.d/vagrant
RUN echo 'vagrant ALL=NOPASSWD: ALL' >> /etc/sudoers.d/vagrant
RUN sed -i 's/Defaults    requiretty/#Defaults    requiretty/g' /etc/sudoers

EXPOSE 22

CMD ["/usr/sbin/sshd", "-D"]

如果solmeone可以解释我为什么会这样工作（ssh键有什么问题），那会很酷。

Vagrant无法通过ssh连接到docker

0 个答案: