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|
{ nixpkgs ? import <nixpkgs> { overlays = [(import ./krebs/5pkgs)]; } }: let
inherit (nixpkgs) lib pkgs;
slib = import ./lib;
# usage: deploy system=SYSTEM [target=TARGET]
cmds.deploy = pkgs.writeDash "cmds.deploy" ''
set -efu
command=deploy
. ${init.args}
\test -n "''${target-}" || target=$system
. ${init.env}
exec ${utils.deploy}
'';
# usage: test system=SYSTEM target=TARGET
cmds.test = pkgs.writeDash "cmds.test" /* sh */ ''
set -efu
command=test
. ${init.args}
. ${init.env}
export dummy_secrets=true
exec ${utils.build} config.system.build.toplevel
'';
init.args = pkgs.writeText "init.args" /* sh */ ''
fail=
for arg; do
case $arg in
system=*) system=''${arg#*=};;
target=*) target=''${arg#*=};;
*) echo "$command: bad argument: $arg" >&2; fail=1
esac
done
if \test -n "$fail"; then
exit 1
fi
unset fail
'';
init.env = pkgs.writeText "init.env" /* sh */ ''
config=''${config-$LOGNAME/1systems/$system.nix}
export config
export system
export target
export target_object="$(${init.env.parsetarget} $target)"
export target_user="$(echo $target_object | ${pkgs.jq}/bin/jq -r .user)"
export target_host="$(echo $target_object | ${pkgs.jq}/bin/jq -r .host)"
export target_port="$(echo $target_object | ${pkgs.jq}/bin/jq -r .port)"
export target_path="$(echo $target_object | ${pkgs.jq}/bin/jq -r .path)"
export target_local="$(echo $target_object | ${pkgs.jq}/bin/jq -r .local)"
if \test "''${using_proxy-}" != true; then
${init.env.populate}
if \test "$target_local" != true; then
exec ${init.env.proxy} "$command" "$@"
fi
fi
'' // {
parsetarget = pkgs.writeDash "init.env.parsetarget" ''
set -efu
exec ${pkgs.jq}/bin/jq \
-enr \
--arg target "$1" \
-f ${init.env.parsetarget.jq}
'' // {
jq = pkgs.writeText "init.env.parsetarget.jq" ''
def when(c; f): if c then f else . end;
def capturesDef(i; v): .captures[i].string | when(. == null; v);
$target | match("^(?:([^@]+)@)?([^:/]+)?(?::([0-9]+))?(/.*)?$") | {
user: capturesDef(0; "root"),
host: capturesDef(1; env.system),
port: capturesDef(2; "22"),
path: capturesDef(3; "/var/src"),
} | . + {
local: (.user == env.LOGNAME and .host == env.HOSTNAME),
}
'';
};
populate = pkgs.writeDash "init.env.populate" ''
set -efu
${pkgs.nix}/bin/nix-instantiate \
--eval \
--json \
--readonly-mode \
--show-trace \
--strict \
-I nixos-config="$config" \
-E 'with import <stockholm>; config.krebs.build.source' \
|
${pkgs.populate}/bin/populate \
"$target_user@$target_host:$target_port$target_path" \
>&2
'';
proxy = pkgs.writeDash "init.env.proxy" ''
set -efu
q() {
${pkgs.jq}/bin/jq -nr --arg x "$*" '$x | @sh "\(.)"'
}
exec ${pkgs.openssh}/bin/ssh \
"$target_user@$target_host" -p "$target_port" \
cd "$target_path/stockholm" \; \
NIX_PATH=$(q "$target_path") \
STOCKHOLM_VERSION=$STOCKHOLM_VERSION \
nix-shell \
--command $(q \
config=$config \
system=$system \
target=$target \
using_proxy=true \
"$*"
)
'';
};
utils.build = pkgs.writeDash "utils.build" ''
set -efu
expr=$1
shift
${pkgs.nix}/bin/nix-build \
-Q \
--no-out-link \
--show-trace \
-E "with import <stockholm>; $expr" \
-I "$target_path" \
"$@" \
2>&1 |
${pkgs.whatsupnix}/bin/whatsupnix
'';
utils.deploy = pkgs.writeDash "utils.deploy" ''
set -efu
PATH=/run/current-system/sw/bin nixos-rebuild \
switch \
-Q \
--show-trace \
-I "$target_path" \
"$@" \
2>&1 |
${pkgs.whatsupnix}/bin/whatsupnix
'';
hook.get-version = pkgs.writeDash "hook.get-version" ''
set -efu
version=git.$(${pkgs.git}/bin/git describe --always --dirty)
case $version in (*-dirty)
version=$version@$HOSTNAME
esac
date=$(${pkgs.coreutils}/bin/date +%y.%m)
echo "$date.$version"
'';
hook.pkg = pkgs.runCommand "hook.pkg" {} /* sh */ ''
mkdir -p $out/bin
${lib.concatStrings (lib.mapAttrsToList (name: path: /* sh */ ''
ln -s ${path} $out/bin/${name}
'') cmds)}
'';
in pkgs.stdenv.mkDerivation {
name = "stockholm";
shellHook = /* sh */ ''
export NIX_PATH="stockholm=$PWD''${NIX_PATH+:$NIX_PATH}"
export PATH=${lib.makeBinPath [
hook.pkg
]}
eval "$(declare -F | ${pkgs.gnused}/bin/sed s/declare/unset/)"
shopt -u no_empty_cmd_completion
unalias -a
enable -n \
. [ alias bg bind break builtin caller cd command compgen complete \
compopt continue dirs disown eval exec false fc fg getopts hash \
help history jobs kill let local logout mapfile popd printf pushd \
pwd read readarray readonly shift source suspend test times trap \
true typeset ulimit umask unalias wait
exitHandler() {
:
}
export HOSTNAME="$(${pkgs.nettools}/bin/hostname)"
export STOCKHOLM_VERSION="''${STOCKHOLM_VERSION-$(${hook.get-version})}"
PS1='\[\e[38;5;162m\]\w\[\e[0m\] '
'';
}
|
