forked from Fediversity/Fediversity
Cleaner grabing of options
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35DB9EC8886E1CB8
1 changed files with 86 additions and 59 deletions
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@ -158,34 +158,65 @@ proxmox_sync () (
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)
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################################################################################
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## Grab VM option
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## Grab VM options
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##
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## Takes the name of the VM and an option and grabs `vmOptions.<name>.<option>`
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## in the flake.
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## Takes the name of the VM, grabs `.#vmOptions.<name>` and defines a bunch of
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## global variables corresponding to all the options.
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grab_vm_option () {
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nix eval \
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--impure --raw --expr "
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builtins.toJSON (builtins.getFlake (builtins.toString ./.)).vmOptions.$1
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" | jq -r ."$2"
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grab_vm_options () {
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local options
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vm_name=$1
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printf 'Grabing VM options for VM %s...\n' "$vm_name"
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options=$(
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nix eval \
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--impure --raw --expr "
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builtins.toJSON (builtins.getFlake (builtins.toString ./.)).vmOptions.$vm_name
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" \
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--log-format raw --quiet
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)
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proxmox=$(echo "$options" | jq -r .proxmox)
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vm_id=$(echo "$options" | jq -r .vmId)
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if [ "$proxmox" != fediversity ]; then
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die "I do not know how to provision things that are not Fediversity VMs,
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but I got proxmox = '%s' for VM %s." "$proxmox" "$vm_name"
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fi
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sockets=$(echo "$options" | jq -r .sockets)
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cores=$(echo "$options" | jq -r .cores)
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memory=$(echo "$options" | jq -r .memory)
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host_public_key=$(echo "$options" | jq -r .hostPublicKey)
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host_private_key=$(echo "$options" | jq -r .unsafeHostPrivateKey)
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if [ "$host_private_key" != null ] && [ "$host_public_key" = null ]; then
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die 'I do not know what to do with a private key but no public key.'
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fi
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printf 'done grabing VM options for VM %s. Got:\n id: %d\n sockets: %d\n cores: %d\n memory: %d MiB\n' \
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"$vm_name" "$vm_id" "$sockets" "$cores" "$memory"
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}
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################################################################################
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## Build ISO
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build_iso () {
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acquire_lock build
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printf 'Building ISO for VM %s...\n' "$2"
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local nix_host_keys
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host_public_key=$(grab_vm_option "$2" hostPublicKey)
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host_private_key=$(grab_vm_option "$2" unsafeHostPrivateKey)
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if [ "$host_public_key" != null ] && [ "$host_private_key" != null ]; then
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echo "$host_public_key" > "$tmpdir"/"$2"_host_key.pub
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echo "$host_private_key" > "$tmpdir"/"$2"_host_key
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acquire_lock build
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printf 'Building ISO for VM %s...\n' "$vm_name"
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if [ "$host_private_key" != null ]; then
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echo "$host_public_key" > "$tmpdir"/"$vm_name"_host_key.pub
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echo "$host_private_key" > "$tmpdir"/"$vm_name"_host_key
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nix_host_keys="
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hostKeys.ed25519 = {
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public = $tmpdir/$2_host_key.pub;
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private = $tmpdir/$2_host_key;
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public = $tmpdir/${vm_name}_host_key.pub;
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private = $tmpdir/${vm_name}_host_key;
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};
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"
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else
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@ -196,23 +227,23 @@ build_iso () {
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--impure --expr "
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let flake = builtins.getFlake (builtins.toString ./.); in
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flake.lib.makeInstallerIso {
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nixosConfiguration = flake.nixosConfigurations.$2;
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nixosConfiguration = flake.nixosConfigurations.$vm_name;
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nixpkgs = flake.inputs.nixpkgs;
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$nix_host_keys
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}
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" \
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--log-format raw --quiet \
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--out-link "$tmpdir/installer-$2"
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--out-link "$tmpdir/installer-$vm_name"
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if [ $? -ne 0 ]; then
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die 'Something went wrong when building ISO for VM %s.
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Check the Nix logs and fix things. Possibly there just is no NixOS configuration by that name?' \
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"$2"
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"$vm_name"
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fi
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ln -sf "$tmpdir/installer-$2/iso/installer.iso" "$tmpdir/installer-$2.iso"
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ln -sf "$tmpdir/installer-$vm_name/iso/installer.iso" "$tmpdir/installer-$vm_name.iso"
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printf 'done building ISO for VM %s.\n' "$2"
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printf 'done building ISO for VM %s.\n' "$vm_name"
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release_lock build
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}
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@ -221,13 +252,13 @@ Check the Nix logs and fix things. Possibly there just is no NixOS configuration
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upload_iso () {
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acquire_lock upload
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printf 'Uploading ISO for VM %s...\n' "$2"
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printf 'Uploading ISO for VM %s...\n' "$vm_name"
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proxmox_sync POST "$api_url/nodes/$node/storage/local/upload" \
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"filename@$tmpdir/installer-$2.iso" \
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"filename@$tmpdir/installer-$vm_name.iso" \
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content==iso
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printf 'done uploading ISO for VM %s.\n' "$2"
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printf 'done uploading ISO for VM %s.\n' "$vm_name"
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release_lock upload
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}
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@ -235,26 +266,26 @@ upload_iso () {
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## Remove ISO
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remove_iso () {
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printf 'Removing ISO for VM %s...\n' "$2"
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printf 'Removing ISO for VM %s...\n' "$vm_name"
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proxmox_sync DELETE "$api_url/nodes/$node/storage/local/content/local:iso/installer-$2.iso"
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proxmox_sync DELETE "$api_url/nodes/$node/storage/local/content/local:iso/installer-$vm_name.iso"
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printf 'done removing ISO for VM %s.\n' "$2"
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printf 'done removing ISO for VM %s.\n' "$vm_name"
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}
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################################################################################
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## Create VM
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create_vm () {
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printf 'Creating VM %s with id %d...\n' "$2" "$1"
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printf 'Creating VM %s...\n' "$vm_name"
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proxmox_sync POST "$api_url/nodes/$node/qemu" \
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\
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vmid=="$1" \
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name=="$2" \
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vmid=="$vm_id" \
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name=="$vm_name" \
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pool==Fediversity \
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\
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ide2=="local:iso/installer-$2.iso,media=cdrom" \
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ide2=="local:iso/installer-$vm_name.iso,media=cdrom" \
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ostype==l26 \
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\
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bios==ovmf \
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@ -264,28 +295,28 @@ create_vm () {
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scsihw==virtio-scsi-single \
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scsi0=='linstor_storage:32,discard=on,ssd=on,iothread=on' \
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\
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sockets=="$(grab_vm_option "$2" sockets)" \
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cores=="$(grab_vm_option "$2" cores)" \
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sockets=="$sockets" \
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cores=="$cores" \
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cpu==x86-64-v2-AES \
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numa==1 \
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\
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memory=="$(grab_vm_option "$2" memory)" \
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memory=="$memory" \
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\
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net0=='virtio,bridge=vnet1306'
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printf 'done creating VM %s.\n' "$2"
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printf 'done creating VM %s.\n' "$vm_name"
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}
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################################################################################
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## Install VM
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install_vm () (
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printf 'Installing VM %s...\n' "$2"
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printf 'Installing VM %s...\n' "$vm_name"
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proxmox_sync POST "$api_url/nodes/$node/qemu/$1/status/start"
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proxmox_sync POST "$api_url/nodes/$node/qemu/$vm_id/status/start"
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while :; do
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response=$(proxmox GET "$api_url/nodes/$node/qemu/$1/status/current")
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response=$(proxmox GET "$api_url/nodes/$node/qemu/$vm_id/status/current")
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status=$(echo "$response" | jq -r .data.status)
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case $status in
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running) sleep 1 ;;
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@ -294,22 +325,22 @@ install_vm () (
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esac
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done
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printf 'done installing VM %s.\n' "$2"
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printf 'done installing VM %s.\n' "$vm_name"
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)
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################################################################################
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## Start VM
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start_vm () {
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printf 'Starting VM %s...\n' "$2"
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printf 'Starting VM %s...\n' "$vm_name"
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proxmox_sync POST "$api_url/nodes/$node/qemu/$1/config" \
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proxmox_sync POST "$api_url/nodes/$node/qemu/$vm_id/config" \
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ide2=='none,media=cdrom' \
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net0=='virtio,bridge=vnet1305'
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proxmox_sync POST "$api_url/nodes/$node/qemu/$1/status/start"
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proxmox_sync POST "$api_url/nodes/$node/qemu/$vm_id/status/start"
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printf 'done starting VM %s.\n' "$2"
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printf 'done starting VM %s.\n' "$vm_name"
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}
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################################################################################
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@ -318,24 +349,20 @@ start_vm () {
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printf 'Provisioning VMs%s...\n' "$vm_names"
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provision_vm () (
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## NOTE: Mind the fact that we now run in a sub-shell, allowing the following
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## functions to define global variables without clashing with concurrent VMs
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## provisioning.
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build_iso "$@"
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upload_iso "$@"
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create_vm "$@"
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install_vm "$@"
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start_vm "$@"
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remove_iso "$@"
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## Grab VM options and put them in global variables. NOTE: Mind the fact that
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## we now run in a sub-shell, allowing us to define global variables without
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## clashing with concurrent executions of `provision_vm`.
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grab_vm_options "$1"
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build_iso
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upload_iso
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create_vm
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install_vm
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start_vm
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remove_iso
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)
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for vm_name in $vm_names; do
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vm_id=$(grab_vm_option "$vm_name" vmId)
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if [ "$(grab_vm_option "$vm_name" proxmox)" != fediversity ]; then
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die 'This script does not know how to provision things that are not Fediversity VMs'
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fi
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provision_vm "$vm_id" "$vm_name" &
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provision_vm "$vm_name" &
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done
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wait
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