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Improve flexibility, enable pre-setting NIXOS_CONFIG, & NIXOS_LUSTRATE (#100)
* Improve flexibility, enable pre-setting of NIXOS_CONFIG, and NIXOS_LUSTRATE * Added success/failure to table * Use existing swap * Use existing swap * Check for exisitng Swap device * typo fix * typo fix
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2 changed files with 33 additions and 10 deletions
15
README.md
15
README.md
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@ -182,11 +182,18 @@ Before executing the install script, you may need to check your mounts with `df
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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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|Ubuntu | 20.04 |**success**|2022-03-23|
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|Distribution| Name | Status | test date| Shape |
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|------------|-----------------|-----------|----------|----------|
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|Oracle Linux| 7.9 |**success**|2021-05-31| |
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|Ubuntu | 20.04 |**success**|2022-03-23| |
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|Ubuntu | 20.04 |**success**|2022-04-19| free arm |
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|Oracle Linux| 8.0 | -failure- |2022-04-19| free amd |
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|CentOS | 8.0 | -failure- |2022-04-19| free amd |
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|Oracle Linux| 7.9[1] |**success**|2022-04-19| free amd |
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[1] The Oracle 7.9 layout has 200Mb for /boot 8G for swap
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PR#100 Adopted 8G Swap device
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### Aliyun ECS
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Aliyun ECS tested on ecs.s6-c1m2.large, region **cn-shanghai**, needs a little bit tweaks:
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28
nixos-infect
28
nixos-infect
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@ -28,7 +28,7 @@ makeConf() {
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];
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boot.cleanTmpDir = true;
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zramSwap.enable = true;
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zramSwap.enable = ${zramswap};
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networking.hostName = "$(hostname)";
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services.openssh.enable = true;
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users.users.root.openssh.authorizedKeys.keys = [$(while read -r line; do echo -n "
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@ -62,6 +62,7 @@ EOF
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$bootcfg
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boot.initrd.kernelModules = [ "nvme" ];
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fileSystems."/" = { device = "$rootfsdev"; fsType = "$rootfstype"; };
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$swapcfg
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}
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EOF
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@ -140,8 +141,21 @@ EOF
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EOF
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}
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checkExistingSwap() {
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SWAPSHOW=$(swapon --show --noheadings --raw)
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zramswap=true
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swapcfg=""
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if [[ -n "$SWAPSHOW" ]]; then
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SWAP_DEVICE="${SWAPSHOW%% *}"
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if [[ "$SWAP_DEVICE" == "/dev/"* ]]; then
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zramswap=false
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swapcfg="swapDevices = [ { device = \"${SWAP_DEVICE}\"; } ];"
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NO_SWAP=true
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fi
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fi
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}
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makeSwap() {
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# TODO check currently available swapspace first
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swapFile=$(mktemp /tmp/nixos-infect.XXXXX.swp)
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dd if=/dev/zero "of=$swapFile" bs=1M count=$((1*1024))
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chmod 0600 "$swapFile"
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@ -274,7 +288,7 @@ infect() {
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nix-channel --add "https://nixos.org/channels/$NIX_CHANNEL" nixos
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nix-channel --update
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export NIXOS_CONFIG=/etc/nixos/configuration.nix
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export NIXOS_CONFIG="${NIXOS_CONFIG:-/etc/nixos/configuration.nix}"
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nix-env --set \
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-I nixpkgs=$HOME/.nix-defexpr/channels/nixos \
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@ -291,15 +305,16 @@ infect() {
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# Stage the Nix coup d'état
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touch /etc/NIXOS
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echo etc/nixos > /etc/NIXOS_LUSTRATE
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echo etc/nixos >> /etc/NIXOS_LUSTRATE
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echo etc/resolv.conf >> /etc/NIXOS_LUSTRATE
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echo root/.nix-defexpr/channels >> /etc/NIXOS_LUSTRATE
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rm -rf /boot.bak
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isEFI && umount "$esp"
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mv -v /boot /boot.bak
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mv -v /boot /boot.bak || { cp -a /boot /book.bak ; rm -rf /boot/* ; umount /boot ; }
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if isEFI; then
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mkdir /boot
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mkdir -p /boot
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mount "$esp" /boot
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find /boot -depth ! -path /boot -exec rm -rf {} +
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fi
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@ -310,6 +325,7 @@ infect() {
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checkEnv
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prepareEnv
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checkExistingSwap
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if [[ -z "$NO_SWAP" ]]; then
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makeSwap # smallest (512MB) droplet needs extra memory!
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fi
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