forked from extern/nixos-installer
41 lines
1.9 KiB
Bash
41 lines
1.9 KiB
Bash
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##
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# NixOS Maintenance
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##
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## On the host and for the user it is called by, creates/registers a VirtualBox VM meant to run the shells target host. Requires the path to the target host's »diskImage« as the result of running the install script. The image file may not be deleted or moved. If »bridgeTo« is set (to a host interface name, e.g. as »eth0«), it is added as bridged network "Adapter 2" (which some hosts need).
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function register-vbox {( set -eu # 1: diskImage, 2?: bridgeTo
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diskImage=$1 ; bridgeTo=${2:-}
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vmName="nixos-@{config.networking.hostName}"
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if [[ ! -e $diskImage.vmdk ]] ; then
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VBoxManage internalcommands createrawvmdk -filename $diskImage.vmdk -rawdisk $diskImage # pass-through
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fi
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VBoxManage createvm --name "$vmName" --register --ostype Linux26_64
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VBoxManage modifyvm "$vmName" --memory 2048 --pae off --firmware efi
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VBoxManage storagectl "$vmName" --name SATA --add sata --portcount 4 --bootable on --hostiocache on
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VBoxManage storageattach "$vmName" --storagectl SATA --port 0 --device 0 --type hdd --medium $diskImage.vmdk
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if [[ $bridgeTo ]] ; then # VBoxManage list bridgedifs
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VBoxManage modifyvm "$vmName" --nic2 bridged --bridgeadapter2 $bridgeTo
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fi
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VBoxManage modifyvm "$vmName" --uart1 0x3F8 4 --uartmode1 server /run/user/$(id -u)/$vmName.socket # (guest sets speed)
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set +x # avoid double-echoing
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echo '# VM info:'
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echo " VBoxManage showvminfo $vmName"
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echo '# start VM:'
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echo " VBoxManage startvm $vmName --type headless"
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echo '# kill VM:'
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echo " VBoxManage controlvm $vmName poweroff"
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echo '# create TTY:'
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echo " socat UNIX-CONNECT:/run/user/$(id -u)/$vmName.socket PTY,link=/run/user/$(id -u)/$vmName.pty"
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echo '# connect TTY:'
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echo " screen /run/user/$(id -u)/$vmName.pty"
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echo '# screenshot:'
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echo " ssh $(hostname) VBoxManage controlvm $vmName screenshotpng /dev/stdout | display"
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)}
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