emily
1de66b3795
weird thing happen when you try to copy things from a binary cache to a local store
105 lines
2.3 KiB
Bash
105 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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ALLOW_REBOOT=
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BRANCH="main"
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BINARY_CACHE=
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HOST_NAME=$HOSTNAME
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NO_DELAY=
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while [[ $# -gt 0 ]]; do
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case $1 in
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--allow-reboot)
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ALLOW_REBOOT=1
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shift
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;;
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--branch)
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BRANCH="$2"
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shift
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shift
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;;
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--cache)
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BINARY_CACHE="$2"
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shift
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shift
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;;
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--hostname)
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HOST_NAME="$2"
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shift
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shift
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;;
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--no-delay)
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NO_DELAY=1
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shift
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;;
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*)
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echo "Unknown option $1"
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exit 1
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;;
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esac
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done
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HYDRA_URL="https://hydra.kyouma.net/job/nixfiles/${BRANCH}/nixosConfigurations.${HOST_NAME}/latest-finished"
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NEW_STORE_PATH="$(curl --fail -s -L -H "Accept: application/json" "${HYDRA_URL}" | jq -r ".buildoutputs.out.path")"
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OLD_STORE_PATH="$(readlink -f "/nix/var/nix/profiles/system")"
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OLD_STORE_SUFFIX="$(echo -n "$OLD_STORE_PATH" | tail -c 7)"
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get_old_path () {
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for system in $(find /nix/var/nix/profiles/ -printf "%f\n" | grep "system-" | sort -nr); do
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local store_path
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store_path="$(readlink -f "/nix/var/nix/profiles/${system}")"
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if [[ "$(echo -n "$store_path" | tail -c 7)" != "pre-git" ]]; then
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OLD_STORE_PATH=$store_path
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break
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fi
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done
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}
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if [[ "$OLD_STORE_SUFFIX" == "pre-git" ]]; then
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echo "Last update was pushed manually"
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echo "Getting newest system profile that came from Hydra"
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get_old_path
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fi
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if [[ "$OLD_STORE_PATH" == "$NEW_STORE_PATH" ]]; then
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echo "no update available. exiting"
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exit 0
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fi
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echo "Downloading ${NEW_STORE_PATH}"
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nix copy --from "${BINARY_CACHE}" --to "daemon" "${NEW_STORE_PATH}"
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echo "Adding path to system profile"
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nix-env -p "/nix/var/nix/profiles/system" --set "${NEW_STORE_PATH}"
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echo "Set new profile as boot target"
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/nix/var/nix/profiles/system/bin/switch-to-configuration boot
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if [[ -n "$ALLOW_REBOOT" ]]; then
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nixos-needsreboot
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fi
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if [[ -n "$NO_DELAY" ]]; then
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delay="1"
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else
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delay="$(echo -n $RANDOM | tail -c 2)"
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fi
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if [[ -f "/var/run/reboot-required" ]]; then
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if [[ -n "$ALLOW_REBOOT" ]]; then
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echo "Rebooting system in ${delay} Minutes"
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shutdown -r +"${delay}"
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else
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echo "Unattended reboot not allowed"
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echo "Reboot system manually"
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fi
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else
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echo "Activating system now"
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/nix/var/nix/profiles/system/bin/switch-to-configuration switch
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echo "Finished upgrade"
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fi
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