117 lines
2.6 KiB
Bash
117 lines
2.6 KiB
Bash
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#!/usr/bin/env bash
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#!@bash@/bin/bash
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# shellcheck shell=bash
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set -o errexit
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set -o nounset
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set -o pipefail
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shopt -s lastpipe
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usage="$(basename "$0") [-h] [--diff] [NODE]
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Check if deployed config is actually the one on master
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By default check all nodes
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where:
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-h Show this help text
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--dryrun Print the nixos-anywhere invocation
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Exemple:
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check-deployment web01"
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--help|-h)
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echo "$usage"
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exit 0
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;;
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--diff)
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diff=y
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;;
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*)
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if [[ -z ${node-} ]]; then
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node="$1"
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else
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echo "Too many arguments. Help:"
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echo "$usage"
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exit 1
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fi
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;;
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esac
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shift
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done
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#############
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# go to tmp #
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#############
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TMP=$(mktemp -d)
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GIT_TOP_LEVEL=$(git rev-parse --show-toplevel)
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echo "Cloning local main..."
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git clone -q --branch main --single-branch "$GIT_TOP_LEVEL" "$TMP"
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pushd "$TMP" > /dev/null || exit 2
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####################
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# Evaluate configs #
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####################
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colmena_failed () {
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>&2 echo "Colmena failed. Check your config. Logs:"
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>&2 cat "$COLMENA_LOGS"
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exit 3
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}
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COLMENA_LOGS=$(mktemp)
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echo "Evaluating configs..."
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# Disable warning because of '${}'
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# shellcheck disable=SC2016
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RESULTS=$(colmena eval -E '{ nodes, lib, ...}: lib.mapAttrsToList (k: v: { machine = k; path = v.config.system.build.toplevel; drv = v.config.system.build.toplevel.drvPath; domain = "${v.config.networking.hostName}.${v.config.networking.domain}"; }) nodes' 2> "$COLMENA_LOGS" || colmena_failed)
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rm "$COLMENA_LOGS"
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echo "Evaluation finished"
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#####################################
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# retrieve and check current-system #
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#####################################
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retrieve_current_system () {
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# TODO implement a less invasive method
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ssh -n "root@$1" "readlink -f /run/current-system"
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}
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return_status=0
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echo "$RESULTS" | @jq@/bin/jq -c '.[]' |
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while IFS=$'\n' read -r c; do
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machine=$(echo "$c" | @jq@/bin/jq -r '.machine')
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expected_path=$(echo "$c" | @jq@/bin/jq -r '.path')
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domain=$(echo "$c" | @jq@/bin/jq -r '.domain')
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drv_path=$(echo "$c" | @jq@/bin/jq -r '.drv')
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current_path=$(retrieve_current_system "$domain")
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if [ "$expected_path" == "$current_path" ] ; then
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echo "$machine -> OK"
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elif [[ -z ${diff-} ]] ; then
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nix-store -r "$drv_path"
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nix-copy-closure --from "root@$domain" "$current_path"
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echo "$machine -> error. nvd output:"
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@nvd@/bin/nvd diff "$expected_path" "$current_path"
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return_status=1
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else
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echo "$machine -> error:"
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echo " - Expected system: $expected_path"
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echo " - Current system: $current_path"
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return_status=1
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fi
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done
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popd > /dev/null || exit 2
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rm -r "$TMP"
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exit $return_status
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