mirror of https://github.com/linka-cloud/d2vm.git
95 lines
2.6 KiB
Markdown
95 lines
2.6 KiB
Markdown
# ZSH Workstation example
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This example demonstrate the setup of a ZSH workstation with *cloud-init* support.
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*Dockerfile*
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```dockerfile
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FROM ubuntu
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# Install some system packages
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RUN apt update && DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends \
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qemu-guest-agent \
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ca-certificates \
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dnsutils \
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sudo \
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openssh-server
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# Add a utility script to resize serial terminal
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COPY resize /usr/local/bin/
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# User setup variables
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ARG USER=d2vm
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ARG PASSWORD=d2vm
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ARG SSH_KEY=https://github.com/${USER}.keys
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# Setup user environment
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RUN DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends \
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bash-completion \
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curl \
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zsh \
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git \
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vim \
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tmux \
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htop \
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lsb-core \
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cloud-init \
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cloud-guest-utils
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# Create user with sudo privileged and passwordless sudo
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RUN useradd ${USER} -m -s /bin/zsh -G sudo && \
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echo "${USER}:${PASSWORD}" | chpasswd && \
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sed -i 's|ALL=(ALL:ALL) ALL|ALL=(ALL:ALL) NOPASSWD: ALL|g' /etc/sudoers
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# Add ssh public keys
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ADD ${SSH_KEY} /home/${USER}/.ssh/authorized_keys
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# Setup permission on .ssh directory
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RUN chown -R ${USER}:${USER} /home/${USER}/.ssh
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# Run everything else as the created user
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USER ${USER}
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# Setup zsh environment
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RUN bash -c "$(curl -fsSL https://gist.githubusercontent.com/Adphi/f3ce3cc4b2551c437eb667f3a5873a16/raw/be05553da87f6e9d8b0d290af5aa036d07de2e25/env.setup)"
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# Setup tmux environment
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RUN bash -c "$(curl -fsSL https://gist.githubusercontent.com/Adphi/765e9382dd5e547633be567e2eb72476/raw/a3fe4b3f35e598dca90e2dd45d30dc1753447a48/tmux-setup)"
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# Setup auto login serial console
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RUN sudo sed -i "s|ExecStart=.*|ExecStart=-/sbin/agetty --autologin ${USER} --keep-baud 115200,38400,9600 \%I \$TERM|" /usr/lib/systemd/system/serial-getty@.service
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```
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There is no need to configure the network as **d2vm** will generate a *netplan* configuration that use DHCP.
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**Build**
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```bash
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USER=mygithubuser
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PASSWORD=mysecurepasswordthatIwillneverusebecauseIuseMostlySSHkeys
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OUTPUT=workstation.qcow2
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d2vm build -o $OUTPUT --build-arg USER=$USER --build-arg PASSWORD=$PASSWORD --build-arg SSH_KEY=https://github.com/$USER.keys --force -v .
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```
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Run it:
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```bash
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d2vm run qemu --mem 4096 --cpus 4 $IMAGE
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```
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... you should be automatically logged in with a **oh-my-zsh** shell
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You should be able to find the ip address inside the VM using:
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```bash
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hostname -I
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# or
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ip a show eth0 | grep inet | awk '{print $2}' | cut -d/ -f1
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```
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And connect using ssh...
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In order to quit the terminal you need to shut down the VM with the `poweroff` command:
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```bash
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sudo poweroff
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```
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*I hope you will find it useful and that you will have fun...*
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