2021-08-21 16:47:21 +00:00
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#!/usr/bin/env bash
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set -eo pipefail
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cd "$(dirname "$0")"
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if ! command -v nix-build &> /dev/null
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then
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echo "Nix installation could not be found. Please follow the instructions linked below."
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echo "https://nixos.org/manual/nix/unstable/installation/installing-binary.html#multi-user-installation"
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exit
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fi
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mode="${1:-switch}"
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2021-10-22 22:26:39 +00:00
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host="${2:-nuc}"
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2021-10-24 18:54:29 +00:00
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target="${3:-c3h@$host.c3h}"
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if ! [ -d "hosts/$host" ]
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then
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echo "Host $host does not exist. Choose from:"
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ls hosts
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exit
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fi
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2021-10-22 22:26:39 +00:00
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echo "deploying $host to $target"
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sleep 1
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2021-08-21 16:47:21 +00:00
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2021-10-24 18:54:29 +00:00
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tmp=$(mktemp -d)
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trap 'rm -rf "$tmp"' EXIT
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sources="$tmp/sources"
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cp -r $(nix-build nix/sources-dir.nix --no-out-link) $tmp/sources
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2021-08-21 16:47:21 +00:00
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set -x
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2021-10-24 18:54:29 +00:00
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system_drv=$(nix-instantiate "<nixpkgs/nixos>" -A config.system.build.toplevel -I $sources -I "nixos-config=$PWD/hosts/$host/configuration.nix")
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2021-10-22 22:26:39 +00:00
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nix-copy-closure --to $target $system_drv
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system=$(ssh $target "nix-store --realise $system_drv")
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ssh $target "sudo nix-env -p /nix/var/nix/profiles/system -i $system && sudo /nix/var/nix/profiles/system/bin/switch-to-configuration $mode"
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