make deploy2: deploy using nixos-rebuild switch

This commit is contained in:
tv 2016-02-01 03:00:48 +01:00
parent 1a4437cb26
commit c3c4aac670
10 changed files with 302 additions and 58 deletions

2
.rsync-filter Normal file
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@ -0,0 +1,2 @@
- /.git
- /.graveyard

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@ -26,6 +26,25 @@ deploy infest:;@
export filter=json export filter=json
make -s eval | sh make -s eval | sh
.PHONY: deploy2
ifdef target
deploy2: export target-host = $(target)
else
deploy2: export target-host = $(system)
endif
deploy2:;@
target=$${target-$$system}
result=$$(nix-instantiate \
--json \
--eval \
krebs/populate.nix \
--arg source 'with (import ~/stockholm {}).users.$(LOGNAME).$(system).config.krebs.build; assert source-version == 2; source' \
--argstr target-host "$$target" \
--argstr target-path /var/src)
script=$$(echo "$$result" | jq -r .)
echo "$$script" | sh
ssh root@$$target nixos-rebuild switch -I /var/src
.PHONY: eval .PHONY: eval
eval: eval:
@ @

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@ -28,7 +28,14 @@ let
type = types.user; type = types.user;
}; };
options.krebs.build.source.dir = mkOption { options.krebs.build.source-version = mkOption {
type = types.enum [ 1 2 ];
default = 1;
};
options.krebs.build.source = getAttr "v${toString config.krebs.build.source-version}" {
v1 = {
dir = mkOption {
type = let type = let
default-host = config.krebs.current.host; default-host = config.krebs.current.host;
in types.attrsOf (types.submodule ({ config, ... }: { in types.attrsOf (types.submodule ({ config, ... }: {
@ -53,7 +60,7 @@ let
default = {}; default = {};
}; };
options.krebs.build.source.git = mkOption { git = mkOption {
type = with types; attrsOf (submodule ({ config, ... }: { type = with types; attrsOf (submodule ({ config, ... }: {
options = { options = {
url = mkOption { url = mkOption {
@ -72,4 +79,32 @@ let
}; };
}; };
v2 = let
raw = types.either types.str types.path;
url = types.submodule {
options = {
url = mkOption {
type = types.str;
};
rev = mkOption {
type = types.str;
};
dev = mkOption {
type = types.str;
};
};
};
in mkOption {
type = types.attrsOf (types.either types.str url);
apply = let f = mapAttrs (_: value: {
string = value;
path = toString value;
set = f value;
}.${typeOf value}); in f;
default = {};
};
};
};
in out in out

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@ -171,9 +171,12 @@ let out = {
${b} ${b}
''; '';
get-config = system: get-config = system: let
stockholm.users.${current-user-name}.${system}.config config = stockholm.users.${current-user-name}.${system}.config
or (abort "unknown system: ${system}, user: ${current-user-name}"); or (abort "unknown system: ${system}, user: ${current-user-name}");
in
assert config.krebs.build.source-version == 1;
config;
nix-install = nix-install =
{ system ? current-host-name { system ? current-host-name

115
krebs/populate.nix Normal file
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@ -0,0 +1,115 @@
{ source
, target-user ? "root"
, target-host
, target-path ? "/var/src"
}:
with import <nixpkgs/lib>;
with import ~/stockholm/krebs/4lib {
lib = import <nixpkgs/lib>;
};
with builtins;
let
out = ''
#! /bin/sh
set -efu
echo ${shell.escape git-script} \
| ssh ${shell.escape "${target-user}@${target-host}"} -T
tmpdir=$(mktemp -dt stockholm.XXXXXXXX)
trap '
set +f
rm "$tmpdir"/*
rmdir "$tmpdir"
trap - EXIT INT QUIT
' EXIT INT QUIT
${concatStringsSep "\n"
(mapAttrsToList
(name: spec: let dst = removePrefix "symlink:" (get-url spec); in
"ln -s ${shell.escape dst} $tmpdir/${shell.escape name}")
symlink-specs)}
proot \
-b $tmpdir:${shell.escape target-path} \
${concatStringsSep " \\\n "
(mapAttrsToList
(name: spec:
"-b ${shell.escape "${get-url spec}:${target-path}/${name}"}")
file-specs)} \
rsync \
-f ${shell.escape "P /*"} \
${concatMapStringsSep " \\\n "
(name: "-f ${shell.escape "R /${name}"}")
(attrNames file-specs)} \
--delete \
-vFrlptD \
${shell.escape target-path}/ \
${shell.escape "${target-user}@${target-host}:${target-path}"}
'';
get-schema = uri:
if substring 0 1 uri == "/"
then "file"
else head (splitString ":" uri);
has-schema = schema: uri: get-schema uri == schema;
get-url = spec: {
string = spec;
path = toString spec;
set = get-url spec.url;
}.${typeOf spec};
git-specs =
filterAttrs (_: spec: has-schema "https" (get-url spec)) source //
filterAttrs (_: spec: has-schema "http" (get-url spec)) source //
filterAttrs (_: spec: has-schema "git" (get-url spec)) source;
file-specs =
filterAttrs (_: spec: has-schema "file" (get-url spec)) source;
symlink-specs =
filterAttrs (_: spec: has-schema "symlink" (get-url spec)) source;
git-script = ''
fetch_git() {(
dst_dir=$1
src_url=$2
src_ref=$3
if ! test -e "$dst_dir"; then
git clone "$src_url" "$dst_dir"
fi
cd "$dst_dir"
if ! url=$(git config remote.origin.url); then
git remote add origin "$src_url"
elif test "$url" != "$src_url"; then
git remote set-url origin "$src_url"
fi
# TODO resolve src_ref to commit hash
hash=$src_ref
if ! test "$(git log --format=%H -1)" = "$hash"; then
git fetch origin
git checkout "$hash" -- "$dst_dir"
git checkout "$hash"
fi
git clean -dxf
)}
${concatStringsSep "\n"
(mapAttrsToList
(name: spec: toString (map shell.escape [
"fetch_git"
"${target-path}/${name}"
spec.url
spec.rev
]))
git-specs)}
'';
in out

1
nixpkgs/default.nix Normal file
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@ -0,0 +1 @@
import <upstream-nixpkgs>

65
nixpkgs/nixos/default.nix Normal file
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@ -0,0 +1,65 @@
{ configuration ? import <upstream-nixpkgs/nixos/lib/from-env.nix> "NIXOS_CONFIG" <nixos-config>
, system ? builtins.currentSystem
}:
let
eval-config = modules: import <upstream-nixpkgs/nixos/lib/eval-config.nix> {
inherit system;
modules = modules ++ [({ config, lib, ... }: with lib; {
imports = filter dir.has-default-nix (concatLists [
(map (p: p + "/2configs") [ <stockholm-private> ])
(map (p: p + "/3modules") [ <stockholm-krebs> <stockholm-private> ])
]);
krebs.current = {
enable = true;
host = config.krebs.hosts.${readFile /proc/sys/kernel/hostname};
user = config.krebs.users.${getEnv "LOGNAME"};
};
nixpkgs.config.packageOverrides = pkgs: let
kpkgs = import <stockholm-krebs/5pkgs> { inherit lib pkgs; };
upkgs = import <stockholm-private/5pkgs> { inherit lib; pkgs = pkgs // kpkgs; };
in kpkgs // upkgs;
})];
specialArgs = {
lib = let
nlib = import <upstream-nixpkgs/lib> // builtins;
klib = nlib // import <stockholm-krebs/4lib> { lib = nlib; };
ulib = klib // (with klib; let p = <stockholm-private> + "/4lib"; in
optionalAttrs (dir.has-default-nix p)
(import p { lib = klib; }));
in ulib;
};
};
eval = eval-config [
configuration
];
# This is for `nixos-rebuild build-vm'.
vm = eval-config [
configuration
<upstream-nixpkgs/nixos/modules/virtualisation/qemu-vm.nix>
];
# This is for `nixos-rebuild build-vm-with-bootloader'.
vm-with-bootloader = eval-config [
configuration
<upstream-nixpkgs/nixos/modules/virtualisation/qemu-vm.nix>
{ virtualisation.useBootLoader = true; }
];
in
{
inherit (eval) config options;
system = eval.config.system.build.toplevel;
vm = vm.config.system.build.vm;
vmWithBootLoader = vm-with-bootloader.config.system.build.vm;
# The following are used by nixos-rebuild.
nixFallback = eval.pkgs.nixUnstable;
}

1
nixpkgs/nixos/modules Symbolic link
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@ -0,0 +1 @@
../../upstream-nixpkgs/nixos/modules

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@ -6,6 +6,11 @@ with lib;
krebs.build.host = config.krebs.hosts.cd; krebs.build.host = config.krebs.hosts.cd;
krebs.build.target = "root@cd.internet"; krebs.build.target = "root@cd.internet";
krebs.build.source.upstream-nixpkgs = {
url = https://github.com/NixOS/nixpkgs;
rev = "b7ff030";
};
imports = [ imports = [
../2configs/hw/CAC-Developer-2.nix ../2configs/hw/CAC-Developer-2.nix
../2configs/fs/CAC-CentOS-7-64bit.nix ../2configs/fs/CAC-CentOS-7-64bit.nix

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@ -8,20 +8,23 @@ with lib;
krebs.build = { krebs.build = {
user = config.krebs.users.tv; user = config.krebs.users.tv;
target = mkDefault "root@${config.krebs.build.host.name}"; target = mkDefault "root@${config.krebs.build.host.name}";
source = { source-version = 2;
git.nixpkgs = { source = mapAttrs (_: mkDefault) ({
url = mkDefault https://github.com/NixOS/nixpkgs; nixos-config = "symlink:stockholm-private/1systems/${config.krebs.build.host.name}.nix";
rev = mkDefault "77f8f35d57618c1ba456d968524f2fb2c3448295"; nixpkgs = symlink:stockholm-nixpkgs;
target-path = mkDefault "/var/src/nixpkgs"; secrets = "/home/tv/secrets/${config.krebs.build.host.name}";
}; secrets-common = "/home/tv/secrets/common";
dir.secrets = { stockholm-krebs = "/home/tv/stockholm/krebs";
path = mkDefault "/home/tv/secrets/${config.krebs.build.host.name}"; stockholm-nixpkgs = "/home/tv/stockholm/nixpkgs";
}; stockholm-private = "/home/tv/stockholm/tv";
dir.stockholm = { upstream-nixpkgs = {
path = mkDefault "/home/tv/stockholm"; url = https://github.com/NixOS/nixpkgs;
target-path = mkDefault "/var/src/stockholm"; rev = "77f8f35d57618c1ba456d968524f2fb2c3448295";
}; dev = "/home/tv/nixpkgs";
}; };
} // optionalAttrs config.krebs.build.host.secure {
secrets-master = "/home/tv/secrets/master";
});
}; };
networking.hostName = config.krebs.build.host.name; networking.hostName = config.krebs.build.host.name;
@ -98,12 +101,7 @@ with lib;
}; };
environment.variables = { environment.variables = {
NIX_PATH = NIX_PATH = mkForce "/var/src";
with config.krebs.build.source; with dir; with git;
mkForce (concatStringsSep ":" [
"nixpkgs=${nixpkgs.target-path}"
"secrets=${stockholm.target-path}/null"
]);
}; };
programs.bash = { programs.bash = {