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msg-cli/msg/machine.scm

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(define-module (msg machine)
#:use-module (ice-9 match)
#:use-module (ice-9 rdelim)
#:use-module (ice-9 textual-ports)
#:use-module (system foreign)
#:use-module (msg helpers)
#:use-module (msg config)
#:export (machine))
(define home-path (getenv "HOME"))
(define arch (run-shell-command "uname -m"))
(define cpu-conf #f)
(define mem-conf #f)
(define* (load-config #:optional args)
(define config-file (format #f "~a/.guix/qemu/config.scm" home-path))
(define loaded-config (manage-config config-file))
(if (not (null? loaded-config))
(begin
(set! cpu-conf (cdr (assoc 'cpu loaded-config)))
(set! mem-conf (cdr (assoc 'mem loaded-config)))
#t)
#f))
(define* (machine #:optional (args (command-line)))
;;(define clean-args (cdr args))
(match args
(("-h")
(help))
(("init" rest ...)
(init rest))
(("reinit")
(stop)
(clear-install)
(init))
(("start" rest ...)
(start rest))
(("stop")
(stop))
(("rm")
(stop)
(clear-install))
(_
(display "Please enter a valid command or -h for help.\n"))))
(define* (help)
(display "\nHere are the available commands:\n\n")
(display "start: Start the MSG envrionment.\n"))
(define* (clear-install)
(let loop ()
(display "This is a destructive command and will remove your entire Guix instance. Proceed? (y/n)\n")
(define response (read-line))
(cond
((string=? response "y")
(system "rm -r ~/.guix")
)
((string=? response "n")
(display "Operation canceled.\n")
(exit 0))
(else
(display "Please enter a valid response.\n")
(loop)))))
(define* (start #:optional args)
(define config (load-config))
(if (not (directory-exists? (format #f "~a/.guix" home-path)))
(begin
(display "MSG not initialized. Please run `msg machine init` to continue. If you already tried to install and are receiving this message, try running `msg machine reinit`")
(exit 0)))
(cond
((string=? arch "arm64")
(system (format #f "/opt/homebrew/bin/qemu-system-aarch64 \
-machine virt,highmem=on \
-accel hvf \
-cpu cortex-a57 \
-smp ~a \
-display none \
-hda $HOME/.guix/qemu/guix-user.qcow2 \
-m ~aG \
-virtfs local,path=/Users,security_model=mapped,mount_tag=macos \
-bios /opt/homebrew/opt/qemu/share/qemu/edk2-aarch64-code.fd \
-device virtio-net,netdev=vmnic \
-netdev user,id=vmnic,hostfwd=tcp:127.0.0.1:9001-:22 &" cpu-conf mem-conf)))
((string=? arch "x86_64")
(system (format #f "/usr/local/bin/qemu-system-x86_64 \
-machine type=q35,accel=hvf \
-smp ~a \
-hda $HOME/.guix/qemu/guix-user.qcow2 \
-m ~aG \
-display none \
-cpu Nehalem \
-virtfs local,path=/Users,security_model=mapped,mount_tag=macos \
-device virtio-net,netdev=vmnic \
-netdev user,id=vmnic,hostfwd=tcp:127.0.0.1:9001-:22 &" cpu-conf mem-conf))))
(display "MSG has been started")
)
(define* (stop)
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo shutdown'"))
(define* (init #:optional args)
(if (not (directory-exists? (format #f "~a/.guix" home-path)))
(begin
;; Grab ssh cert for installer
(system "mkdir -p $HOME/.guix/qemu $HOME/.guix/home $HOME/.guix/ssh-cert")
(system "ssh-keygen -R \"[127.0.0.1]:9001\"")
;; Download system image and and start vm
(cond
((string=? arch "arm64")
(system "/opt/homebrew/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg-system-aarch64guix-installer.qcow2.tar.gz -O $HOME/.guix/qemu/guix.qcow2.tar.gz")
(system "tar -xvzf $HOME/.guix/qemu/guix.qcow2.tar.gz -C $HOME/.guix/qemu/")
(system "/opt/homebrew/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg-system-aarch64config.scm -O $HOME/.guix/home/config.scm")
;; Get msg ssh-key
(system "/opt/homebrew/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg_rsa -O $HOME/.guix/ssh-cert/msg_rsa")
(system "chmod 400 ~/.guix/ssh-cert/msg_rsa ")
(system "/opt/homebrew/bin/qemu-system-aarch64 \
-machine virt,highmem=on \
-accel hvf \
-cpu cortex-a57 \
-smp 4 \
-display none \
-hda $HOME/.guix/qemu/guix-user.qcow2 \
-m 4G \
-virtfs local,path=$HOME/.guix/home,security_model=mapped,mount_tag=macos \
-bios /opt/homebrew/opt/qemu/share/qemu/edk2-aarch64-code.fd \
-device virtio-net,netdev=vmnic \
-netdev user,id=vmnic,hostfwd=tcp:127.0.0.1:9001-:22 &")
(sleep 5)
(update-uid)
(build-msg)
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa root@127.0.0.1 -p 9001 'shutdown'")
(system "ssh-keygen -R \"[127.0.0.1]:9001\"")
(sleep 30)
(system "rm ~/.guix/qemu/guix-user.qcow2")
(system "mv ~/.guix/home/guix-user.qcow2 ~/.guix/qemu/")
(start)
(sleep 15)
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo mkdir /Users /boot/efi'")
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo mount /dev/vda1 /boot/efi'"))
((string=? arch "x86_64")
(system "/usr/local/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg-system-x86_64guix-installer.qcow2.tar.gz -O $HOME/.guix/qemu/guix.qcow2.tar.gz")
(system "tar -xvzf $HOME/.guix/qemu/guix.qcow2.tar.gz -C $HOME/.guix/qemu/")
(system "/usr/local/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg-system-x86_64config.scm -O $HOME/.guix/home/config.scm")
;; Get msg ssh-key
(system "/usr/local/bin/wget https://objectstorage.us-phoenix-1.oraclecloud.com/n/axfgkze2xif1/b/guix-system/o/msg_rsa -O $HOME/.guix/ssh-cert/msg_rsa")
(system "chmod 400 ~/.guix/ssh-cert/msg_rsa ")
(system "/usr/local/bin/qemu-system-x86_64 \
-machine type=q35,accel=hvf \
-smp 4 \
-hda $HOME/.guix/qemu/guix-installer.qcow2 \
-m 4G \
-display none \
-cpu Nehalem \
-virtfs local,path=$HOME/.guix/home,security_model=mapped,mount_tag=macos \
-device virtio-net,netdev=vmnic \
-netdev user,id=vmnic,hostfwd=tcp:127.0.0.1:9001-:22 &")
(sleep 5)
(update-uid)
(build-msg)
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa root@127.0.0.1 -p 9001 'shutdown'")
(system "ssh-keygen -R \"[127.0.0.1]:9001\"")
(sleep 30)
(system "rm ~/.guix/qemu/guix-installer.qcow2")
(system "mv ~/.guix/home/guix-user.qcow2 ~/.guix/qemu/")
(start)
(sleep 15)
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo mkdir /Users'"))
)
(newline)
(display "Reconfiguring MSG, this may take a few minutes...")
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo guix system reconfigure --allow-downgrades /etc/config.scm'")
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa admin@127.0.0.1 -p 9001 'sudo shutdown'")
(display "\nMSG is ready to be started. Run 'msg machine start' to begin.\n"))
(display "MSG already initialized. Please run `msg machine reinit` if you would like to recreate it."))
)
(define (build-msg)
;; Build MSG
(define* filename (run-shell-command "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa root@127.0.0.1 -p 9001 'guix system image -t qcow2 --save-provenance --image-size=100G /etc/config.scm'"))
(system (format #f "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa root@127.0.0.1 -p 9001 'cp ~a /mnt/macos/guix-user.qcow2'" filename)))
(define (update-uid)
;; Update UID for msg image
(system "sed -i.bak \"s/\\$UID/$(id -u)/g\" ~/.guix/home/config.scm && rm ~/.guix/home/config.scm.bak")
(system "ssh -o StrictHostKeyChecking=no -i $HOME/.guix/ssh-cert/msg_rsa root@127.0.0.1 -p 9001 'cp /mnt/macos/config.scm /etc/config.scm'"))
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