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|
{ pkgs }: let
stockholm-dir = ../../../..;
lib = import (stockholm-dir + "/lib");
#
# high level commands
#
cmds.deploy = pkgs.withGetopt {
force-populate = { default = /* sh */ "false"; switch = true; };
quiet = { default = /* sh */ "false"; switch = true; };
source_file = {
default = /* sh */ "$user/1systems/$system/source.nix";
long = "source";
};
system = {};
target.default = /* sh */ "$system";
user.default = /* sh */ "$LOGNAME";
} (opts: pkgs.writeDash "stockholm.deploy" ''
set -efu
. ${init.env}
. ${init.proxy "deploy" opts}
# Use system's nixos-rebuild, which is not self-contained
export PATH=/run/current-system/sw/bin
exec ${utils.with-whatsupnix} \
nixos-rebuild switch \
--show-trace \
-I "$target_path"
'');
cmds.get-version = pkgs.writeDash "get-version" ''
set -efu
hostname=''${HOSTNAME-$(${pkgs.nettools}/bin/hostname)}
version=git.$(${pkgs.git}/bin/git describe --always --dirty)
case $version in (*-dirty)
version=$version@$hostname
esac
date=$(${pkgs.coreutils}/bin/date +%y.%m)
echo "$date.$version"
'';
cmds.install = pkgs.withGetopt {
force-populate = { default = /* sh */ "false"; switch = true; };
quiet = { default = /* sh */ "false"; switch = true; };
source_file = {
default = /* sh */ "$user/1systems/$system/source.nix";
long = "source";
};
system = {};
target = {};
user.default = /* sh */ "$LOGNAME";
} (opts: pkgs.writeBash "stockholm.install" ''
set -efu
. ${init.env}
if \test "''${using_proxy-}" != true; then
${pkgs.openssh}/bin/ssh \
-o StrictHostKeyChecking=no \
-o UserKnownHostsFile=/dev/null \
"$target_user@$target_host" -p "$target_port" \
env target_path=$(${pkgs.quote}/bin/quote "$target_path") \
sh -s prepare \
< ${stockholm-dir + "/krebs/4lib/infest/prepare.sh"}
# TODO inline prepare.sh?
fi
. ${init.proxy "install" opts}
# these variables get defined by nix-shell (i.e. nix-build) from
# XDG_RUNTIME_DIR and reference the wrong directory (/run/user/0),
# which only exists on / and not at /mnt.
export NIX_BUILD_TOP=/tmp
export TEMPDIR=/tmp
export TEMP=/tmp
export TMPDIR=/tmp
export TMP=/tmp
export XDG_RUNTIME_DIR=/tmp
export NIXOS_CONFIG="$target_path/nixos-config"
cd
exec nixos-install
'');
cmds.test = pkgs.withGetopt {
force-populate = { default = /* sh */ "false"; switch = true; };
quiet = { default = /* sh */ "false"; switch = true; };
source_file = {
default = /* sh */ "$user/1systems/$system/source.nix";
long = "source";
};
system = {};
target = {};
user.default = /* sh */ "$LOGNAME";
} (opts: pkgs.writeDash "stockholm.test" /* sh */ ''
set -efu
export dummy_secrets=true
. ${init.env}
. ${init.proxy "test" opts}
exec ${utils.build} config.system.build.toplevel
'');
#
# low level commands
#
# usage: get-source SOURCE_FILE
cmds.get-source = pkgs.writeDash "stockholm.get-source" ''
set -efu
exec ${pkgs.nix}/bin/nix-instantiate \
--eval \
--json \
--readonly-mode \
--show-trace \
--strict \
"$1"
'';
# usage: parse-target [--default=TARGET] TARGET
# TARGET = [USER@]HOST[:PORT][/PATH]
cmds.parse-target = pkgs.withGetopt {
default_target = {
long = "default";
short = "d";
};
} (opts: pkgs.writeDash "stockholm.parse-target" ''
set -efu
target=$1; shift
for arg; do echo "$0: bad argument: $arg" >&2; done
if \test $# != 0; then exit 2; fi
exec ${pkgs.jq}/bin/jq \
-enr \
--arg default_target "$default_target" \
--arg target "$target" \
-f ${pkgs.writeText "stockholm.parse-target.jq" ''
def parse: match("^(?:([^@]+)@)?([^:/]+)?(?::([0-9]+))?(/.*)?$") | {
user: .captures[0].string,
host: .captures[1].string,
port: .captures[2].string,
path: .captures[3].string,
};
def sanitize: with_entries(select(.value != null));
($default_target | parse) + ($target | parse | sanitize) |
. + { local: (.user == env.LOGNAME and .host == env.HOSTNAME) }
''}
'');
init.env = pkgs.writeText "init.env" /* sh */ ''
export HOSTNAME="$(${pkgs.nettools}/bin/hostname)"
export quiet
export system
export target
export user
default_target=root@$system:22/var/src
export target_object="$(
${cmds.parse-target} "$target" -d "$default_target"
)"
export target_user="$(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 | ${pkgs.jq}/bin/jq -r .local)"
'';
init.proxy = command: opts: pkgs.writeText "init.proxy" /* sh */ ''
if \test "''${using_proxy-}" != true; then
source=$(${cmds.get-source} "$source_file")
qualified_target=$target_user@$target_host:$target_port$target_path
if \test "$force_populate" = true; then
echo "$source" | ${pkgs.populate}/bin/populate --force "$qualified_target"
else
echo "$source" | ${pkgs.populate}/bin/populate "$qualified_target"
fi
if \test "$target_local" != true; then
exec ${pkgs.openssh}/bin/ssh \
"$target_user@$target_host" -p "$target_port" \
cd "$target_path/stockholm" \; \
NIX_PATH=$(${pkgs.quote}/bin/quote "$target_path") \
nix-shell --run "$(${pkgs.quote}/bin/quote "
${lib.concatStringsSep " " (lib.mapAttrsToList
(name: opt: /* sh */
"${opt.varname}=\$(${pkgs.quote}/bin/quote ${opt.ref})")
opts
)} \
using_proxy=true \
${lib.shell.escape command} \
$WITHGETOPT_ORIG_ARGS \
")"
fi
fi
'';
utils.build = pkgs.writeDash "utils.build" ''
set -efu
${utils.with-whatsupnix} \
${pkgs.nix}/bin/nix-build \
--no-out-link \
--show-trace \
-E "with import <stockholm>; $1" \
-I "$target_path" \
'';
utils.with-whatsupnix = pkgs.writeDash "utils.with-whatsupnix" ''
set -efu
if \test "$quiet" = true; then
"$@" -Q 2>&1 | ${pkgs.whatsupnix}/bin/whatsupnix
else
exec "$@"
fi
'';
in
pkgs.write "stockholm" (lib.mapAttrs' (name: link:
lib.nameValuePair "/bin/${name}" { inherit link; }
) cmds)
|
