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|
{ current-date
, current-host-name
, current-user-name
, stockholm
}:
let out = {
inherit deploy;
inherit infest;
inherit init;
inherit lib;
};
deploy =
{ system ? current-host-name
, target ? system
}@args: let
config = get-config system;
in ''
#! /bin/sh
# ${current-date} ${current-user-name}@${current-host-name}
# krebs.deploy
set -efu
(${populate args})
${rootssh target ''
${install args}
${config.krebs.build.profile}/bin/switch-to-configuration switch
''}
echo OK
'';
infest =
{ system ? current-host-name
, target ? system
}@args: let
in ''
#! /bin/sh
# ${current-date} ${current-user-name}@${current-host-name}
# krebs.infest
set -efu
# XXX type -p is non-standard
#export RSYNC_RSH; RSYNC_RSH="$(type -p ssh) \
# -o 'HostName $ {target.host.infest.addr}' \
# -o 'Port $ {toString target.host.infest.port}' \
#"
#ssh() {
# eval "$RSYNC_RSH \"\$@\""
#}
${lib.rootssh target ''
${builtins.readFile ./4lib/infest/prepare.sh}
${builtins.readFile ./4lib/infest/install-nix.sh}
''}
(${lib.populate args})
${lib.rootssh target ''
export PATH; PATH=/root/.nix-profile/bin:$PATH
src=$(type -p nixos-install)
cat_src() {
sed < "$src" "$(
{ sed < "$src" -n '
/^if ! test -e "\$mountPoint\/\$NIXOS_CONFIG/,/^fi$/=
/^nixpkgs=/=
/^NIX_PATH=/,/^$/{/./=}
# Disable: Copy the NixOS/Nixpkgs sources to the target as
# the initial contents of the NixOS channel.
/^srcs=/,/^ln -sfn /=
'
} | sed 's:$:s/^/#krebs#/:'
)"
}
# Location to insert install
i=$(sed -n '/^echo "building the system configuration/=' "$src")
{
cat_src | sed -n "1,$i{p}"
cat ${lib.doc (install args)}
cat_src | sed -n "$i,\''${$i!p}"
} > nixos-install
chmod +x nixos-install
## Wrap inserted install into chroot.
#nix_env=$(cat_src | sed -n '
# s:.*\(/nix/store/[a-z0-9]*-nix-[0-9.]\+/bin/nix-env\).*:\1:p;T;q
#')
#echo nix-env is $nix_env
#sed -i '
# s:^nix-env:chroot $mountPoint '"$nix_env"':
#' nixos-install
unset SSL_CERT_FILE
./nixos-install
${builtins.readFile ./4lib/infest/finalize.sh}
''}
'';
init =
{ system ? current-host-name
}@args: let
config = get-config system;
in ''
#! /bin/sh
# ${current-date} ${current-user-name}@${current-host-name}
# krebs.init
set -efu
system=${lib.shell.escape system}
secrets_dir=${config.krebs.build.source.dir.secrets.path}
key_type=ed25519
key_file=$secrets_dir/ssh.id_$key_type
key_comment=$system
if test -e "$key_file"; then
echo "Warning: privkey already exists: $key_file" >&2
else
ssh-keygen \
-C "$key_comment" \
-t "$key_type" \
-f "$key_file" \
-N ""
rm "$key_file.pub"
fi
pubkey=$(ssh-keygen -y -f "$key_file")
cat<<EOF
# put following into config.krebs.hosts.$system:
ssh.pubkey = $(echo $pubkey | jq -R .);
EOF
'';
lib = import ./4lib { lib = import <nixpkgs/lib>; } // rec {
stockholm-path = ../.;
nspath = ns: p: stockholm-path + "/${ns}/${p}";
};
doc = s:
let b = "EOF${builtins.hashString "sha256" s}"; in
''
<<\${b}
${s}
${b}
'';
get-config = system:
stockholm.users.${current-user-name}.${system}.config
or (abort "unknown system: ${system}, user: ${current-user-name}");
install =
{ system ? current-host-name
, target ? system
}:
let
config = get-config system;
nix-path =
lib.concatStringsSep ":"
(lib.mapAttrsToList (name: _: "${name}=/root/${name}")
(config.krebs.build.source.dir //
config.krebs.build.source.git));
in ''
set -efu
NIX_PATH=${lib.shell.escape nix-path} \
nix-env \
--show-trace \
-f '<stockholm>' \
--argstr current-date ${lib.shell.escape current-date} \
--argstr current-host-name ${lib.shell.escape current-host-name} \
--argstr current-user-name ${lib.shell.escape current-user-name} \
--profile ${lib.shell.escape config.krebs.build.profile} \
--set \
-A ${lib.escapeShellArg (lib.concatStringsSep "." [
"users"
config.krebs.build.user.name
config.krebs.build.host.name
"system"
])}
'';
populate =
{ system ? current-host-name
, target ? system
}@args:
let out = ''
#! /bin/sh
# ${current-date} ${current-user-name}@${current-host-name}
set -efu
${lib.concatStringsSep "\n"
(lib.concatMap
(type: lib.mapAttrsToList (_: methods.${type})
config.krebs.build.source.${type})
["dir" "git"])}
'';
config = get-config system;
current-host = config.krebs.hosts.${current-host-name};
current-user = config.krebs.users.${current-user-name};
methods.dir = config:
let
can-push = config.host.name == current-host.name;
push-method = ''
rsync \
--exclude .git \
--exclude .graveyard \
--exclude old \
--exclude tmp \
--rsync-path='mkdir -p ${config.target-path} && rsync' \
--delete-excluded \
-vrLptgoD \
${config.path}/ \
${target-url}
'';
current-url = "${current-user-name}@${current-host.name}";
source-url = "file://${config.host.name}${config.path}";
target-url = "root@${target}:${config.target-path}";
in
if can-push then push-method else
throw
# /!\ revise this message when using more than just push-method
"No way to push ${source-url} from ${current-url} to ${target-url}";
methods.git = config:
rootssh target ''
mkdir -p ${config.target-path}
cd ${config.target-path}
if ! test -e .git; then
git init
fi
if ! cur_url=$(git config remote.origin.url 2>/dev/null); then
git remote add origin ${config.url}
elif test "$cur_url" != ${config.url}; then
git remote set-url origin ${config.url}
fi
if test "$(git rev-parse --verify HEAD 2>/dev/null)" != ${config.rev}; then
git fetch origin
git checkout ${config.rev} -- .
git checkout -q ${config.rev}
git submodule init
git submodule update
fi
git clean -dxf
'';
in out;
rootssh = target: script:
"ssh root@${target} -T ${doc ''
set -efu
${script}
''}";
in out
|
