sokai/mynixos-config
1
1
Fork 0
forked from mirrors_public/oddlama_nix-config
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat: remove colmena, add own lightweight deploy script

Browse source
This commit is contained in:
oddlama 2023-09-25 21:39:50 +02:00
parent b705d8266f
commit a4365be29f
No known key found for this signature in database
GPG key ID: 14EFE510775FE39A
8 changed files with 132 additions and 100 deletions
Download patch file Download diff file Expand all files Collapse all files

112
pkgs/deploy.nix Normal file
View file

@ -0,0 +1,112 @@
{
writeShellApplication,
bc,
}: let
deploy = writeShellApplication {
name = "deploy";
text = ''
set -euo pipefail
shopt -s lastpipe # allow cmd | readarray
function die() { echo "error: $*" >&2; exit 1; }
function show_help() {
echo 'Usage: deploy [OPTIONS] <host,...> [ACTION]'
echo "Builds, pushes and activates nixosConfigurations on target systems."
echo ""
echo 'ACTION:'
echo ' switch [default] Switch immediately to the new configuration and make it the boot default'
echo ' boot Make the configuration the new boot default'
echo " test Activate the configuration but don't make it the boot default"
echo " dry-activate Don't activate, just show what would be done"
echo ""
echo 'OPTIONS: [passed to nix build]'
}
function time_start() {
T_START=$(date +%s.%N)
}
function time_next() {
T_END=$(date +%s.%N)
T_LAST=$(${bc}/bin/bc <<< "scale=1; ($T_END - $T_START)/1")
T_START="$T_END"
}
USER_FLAKE_DIR=$(git rev-parse --show-toplevel 2>/dev/null || pwd) \
|| die "Could not determine current working directory. Something went very wrong."
[[ -e "$USER_FLAKE_DIR/flake.nix" ]] \
|| die "Could not determine location of your project's flake.nix. Please run this at or below your main directory containing the flake.nix."
cd "$USER_FLAKE_DIR"
[[ $# -gt 0 ]] || {
show_help
exit 1
}
OPTIONS=()
POSITIONAL_ARGS=()
while [[ $# -gt 0 ]]; do
case "$1" in
"help"|"--help"|"-help"|"-h")
show_help
exit 1
;;
-*) OPTIONS+=("$1") ;;
*) POSITIONAL_ARGS+=("$1") ;;
esac
shift
done
[[ ''${#POSITIONAL_ARGS[@]} -ge 1 ]] \
|| die "Missing argument: <hosts...>"
[[ ''${#POSITIONAL_ARGS[@]} -le 2 ]] \
|| die "Too many arguments given."
tr , '\n' <<< "''${POSITIONAL_ARGS[0]}" | sort -u | readarray -t HOSTS
ACTION="''${POSITIONAL_ARGS[1]-switch}"
# Expand flake paths for hosts definitions
declare -A TOPLEVEL_FLAKE_PATHS
for host in "''${HOSTS[@]}"; do
TOPLEVEL_FLAKE_PATHS["$host"]=".#nixosConfigurations.$host.config.system.build.toplevel"
done
time_start
#echo " Building 📦 ''${#TOPLEVEL_FLAKE_PATHS[*]} configuration(s)"
#nix build --no-link "''${TOPLEVEL_FLAKE_PATHS[@]}" "''${OPTIONS[@]}" \
# || die "Failed to build derivations"
#time_next
#echo " Built ✅ ''${#TOPLEVEL_FLAKE_PATHS[*]} configuration(s) in ''${T_LAST}s"
# Get outputs of all derivations (should be cached)
declare -A TOPLEVEL_STORE_PATHS
for host in "''${HOSTS[@]}"; do
toplevel="''${TOPLEVEL_FLAKE_PATHS["$host"]}"
echo " Building 📦 configuration for $host"
TOPLEVEL_STORE_PATHS["$host"]=$(nix build --no-link --print-out-paths "''${OPTIONS[@]}" "$toplevel") \
|| die "Failed to get derivation path for $host from ''${TOPLEVEL_FLAKE_PATHS["$host"]}"
time_next
echo " Built ✅ configuration for $host in ''${T_LAST}s"
done
for host in "''${HOSTS[@]}"; do
store_path="''${TOPLEVEL_STORE_PATHS["$host"]}"
echo " Copying ➡️ to $host"
nix copy --to "ssh-ng://$host" "$store_path"
time_next
echo " Copied ✅ $store_path to $host in ''${T_LAST}s"
done
for host in "''${HOSTS[@]}"; do
store_path="''${TOPLEVEL_STORE_PATHS["$host"]}"
echo " Applying ⚙️ on $host"
ssh "$host" -- "$store_path"/bin/switch-to-configuration "$ACTION"
nix copy --to "ssh-ng://$host" "$store_path"
time_next
echo " Applied ✅ on $host in ''${T_LAST}s"
done
'';
};
in
deploy