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https://github.com/elitak/nixos-infect
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Add support for Oracle Cloud Infrastructure (#77)
* Check environment before making any changes * Ignore missing dnf in checkEnv * Add EFI support * Generate correct file system type config * Fix XFS tools build error on AArch64 by updating channel * Add test results for Oracle Cloud Infrastructure * Fix spacing
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2 changed files with 74 additions and 20 deletions
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@ -14,6 +14,7 @@ This script has successfully been tested on at least the follow hosting provider
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* [Interserver VPS](https://www.interserver.net/vps/)
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* [Tencent Cloud Lighthouse](https://cloud.tencent.com/product/lighthouse)
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* [OVHcloud](https://www.ovh.com/)
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* [Oracle Cloud Infrastructure](https://www.oracle.com/cloud/)
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Should you find that it works on your hoster,
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feel free to update this README and issue a pull request.
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@ -173,3 +174,10 @@ Before executing the install script, you may need to check your mounts with `df
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|------------|-------------------|-----------|----------|
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|Arch Linux | Arch Linux x86-64 |**success**|2021-03-25|
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|Debian | 10 |**success**|2021-04-29|
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### Oracle Cloud Infrastructure
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Tested for both VM.Standard.E2.1.Micro (x86) and VM.Standard.A1.Flex (AArch64) instances.
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#### Tested on
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|Distribution| Name | Status | test date|
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|------------|-----------------|-----------|----------|
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|Oracle Linux| 7.9 |**success**|2021-05-31|
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86
nixos-infect
86
nixos-infect
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@ -10,8 +10,8 @@ makeConf() {
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# NB <<"EOF" quotes / $ ` in heredocs, <<EOF does not
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mkdir -p /etc/nixos
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# Prevent grep for sending error code 1 (and halting execution) when no lines are selected : https://www.unix.com/man-page/posix/1P/grep
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local IFS=$'\n'
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for trypath in /root/.ssh/authorized_keys $HOME/.ssh/authorized_keys; do
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local IFS=$'\n'
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for trypath in /root/.ssh/authorized_keys $HOME/.ssh/authorized_keys; do
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[[ -r "$trypath" ]] \
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&& keys=$(sed -E 's/^.*((ssh|ecdsa)-[^[:space:]]+)[[:space:]]+([^[:space:]]+)([[:space:]]*.*)$/\1 \3\4/' "$trypath") \
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&& break
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@ -36,14 +36,32 @@ makeConf() {
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];
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}
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EOF
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if isEFI; then
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bootcfg=$(cat << EOF
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boot.loader.grub = {
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efiSupport = true;
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efiInstallAsRemovable = true;
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device = "nodev";
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};
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fileSystems."/boot" = { device = "$esp"; fsType = "vfat"; };
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EOF
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)
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else
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bootcfg=$(cat << EOF
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boot.loader.grub.device = "$grubdev";
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EOF
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)
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fi
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# If you rerun this later, be sure to prune the filesSystems attr
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cat > /etc/nixos/hardware-configuration.nix << EOF
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{ modulesPath, ... }:
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{
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imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
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boot.loader.grub.device = "$grubdev";
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$bootcfg
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boot.initrd.kernelModules = [ "nvme" ];
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fileSystems."/" = { device = "$rootfsdev"; fsType = "ext4"; };
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fileSystems."/" = { device = "$rootfsdev"; fsType = "$rootfstype"; };
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}
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EOF
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@ -136,13 +154,36 @@ removeSwap() {
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rm -vf /tmp/nixos-infect.*.swp
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}
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isEFI() {
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[ -d /sys/firmware/efi ]
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}
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findESP() {
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esp=""
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for d in /boot/EFI /boot/efi /boot; do
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[[ ! -d "$d" ]] && continue
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[[ "$d" == "$(df "$d" --output=target | sed 1d)" ]] \
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&& esp="$(df "$d" --output=source | sed 1d)" \
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&& break
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done
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[[ -z "$esp" ]] && { echo "ERROR: No ESP mount point found"; return 1; }
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for uuid in /dev/disk/by-uuid/*; do
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[[ $(readlink -f "$uuid") == "$esp" ]] && echo $uuid && return 0
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done
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}
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prepareEnv() {
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# $grubdev is used in makeConf()
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for grubdev in /dev/vda /dev/sda /dev/nvme0n1 ; do [[ -e $grubdev ]] && break; done
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# $esp and $grubdev are used in makeConf()
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if isEFI; then
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esp="$(findESP)"
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else
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for grubdev in /dev/vda /dev/sda /dev/nvme0n1 ; do [[ -e $grubdev ]] && break; done
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fi
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# Retrieve root fs block device
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# (get root mount) (get partition or logical volume)
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rootfsdev=$(mount | grep "on / type" | awk '{print $1;}')
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rootfstype=$(df $rootfsdev --output=fstype | sed 1d)
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# DigitalOcean doesn't seem to set USER while running user data
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export USER="root"
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@ -187,9 +228,11 @@ req() {
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}
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checkEnv() {
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[[ "$(whoami)" == "root" ]] || { echo "ERROR: Must run as root"; return 1; }
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# Perform some easy fixups before checking
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# TODO prevent multiple calls to apt-get update
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which dnf && dnf install -y perl-Digest-SHA # Fedora 24
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(which dnf && dnf install -y perl-Digest-SHA) || true # Fedora 24
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which bzcat || (which yum && yum install -y bzip2) \
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|| (which apt-get && apt-get update && apt-get install -y bzip2) \
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|| true
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@ -200,16 +243,14 @@ checkEnv() {
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|| (which apt-get && apt-get update && apt-get install -y curl) \
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|| true
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[[ "$(whoami)" == "root" ]] || { echo "ERROR: Must run as root"; return 1; }
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req curl || req wget || { echo "ERROR: Missing both curl and wget"; return 1; }
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req bzcat || { echo "ERROR: Missing bzcat"; return 1; }
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req xzcat || { echo "ERROR: Missing xzcat"; return 1; }
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req groupadd || { echo "ERROR: Missing groupadd"; return 1; }
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req useradd || { echo "ERROR: Missing useradd"; return 1; }
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req ip || { echo "ERROR: Missing ip"; return 1; }
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req awk || { echo "ERROR: Missing awk"; return 1; }
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req cut || { echo "ERROR: Missing cut"; return 1; }
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req curl || req wget || { echo "ERROR: Missing both curl and wget"; return 1; }
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req bzcat || { echo "ERROR: Missing bzcat"; return 1; }
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req xzcat || { echo "ERROR: Missing xzcat"; return 1; }
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req groupadd || { echo "ERROR: Missing groupadd"; return 1; }
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req useradd || { echo "ERROR: Missing useradd"; return 1; }
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req ip || { echo "ERROR: Missing ip"; return 1; }
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req awk || { echo "ERROR: Missing awk"; return 1; }
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req cut || req df || { echo "ERROR: Missing coreutils (cut, df)"; return 1; }
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}
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infect() {
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@ -228,7 +269,7 @@ infect() {
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# shellcheck disable=SC1090
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source ~/.nix-profile/etc/profile.d/nix.sh
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[[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-19.09"
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[[ -z "$NIX_CHANNEL" ]] && NIX_CHANNEL="nixos-20.09"
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nix-channel --remove nixpkgs
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nix-channel --add "https://nixos.org/channels/$NIX_CHANNEL" nixos
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nix-channel --update
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@ -255,16 +296,21 @@ infect() {
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echo root/.nix-defexpr/channels >> /etc/NIXOS_LUSTRATE
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rm -rf /boot.bak
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isEFI && umount "$esp"
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mv -v /boot /boot.bak
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if isEFI; then
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mkdir /boot
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mount "$esp" /boot
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find /boot -depth ! -path /boot -exec rm -rf {} +
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fi
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/nix/var/nix/profiles/system/bin/switch-to-configuration boot
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}
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[ "$PROVIDER" = "digitalocean" ] && doNetConf=y # digitalocean requires detailed network config to be generated
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checkEnv
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prepareEnv
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makeSwap # smallest (512MB) droplet needs extra memory!
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checkEnv
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makeConf
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infect
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removeSwap
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