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l drbd: use drbd9

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This commit is contained in:
lassulus 2022-11-29 13:47:36 +01:00
parent b726b7588d
commit 32b23666d1
2 changed files with 67 additions and 3 deletions
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35
lass/3modules/drbd.nix
View File

@ -64,13 +64,42 @@ in {
services.udev.packages = [ pkgs.drbd ];
boot.kernelModules = [ "drbd" ];
environment.systemPackages = [ pkgs.drbd ];
environment.systemPackages = [
pkgs.drbd
(pkgs.writers.writeDashBin "drbd-change-nodeid" ''
# https://linbit.com/drbd-user-guide/drbd-guide-9_0-en/#s-using-truck-based-replication
set -efux
if [ "$#" -ne 2 ]; then
echo '$1 needs to be drbd volume name'
echo '$2 needs to be new node id'
exit 1
fi
TMPDIR=$(mktemp -d)
trap 'rm -rf $TMPDIR' EXIT
V=$1
NODE_TO=$2
META_DATA_LOCATION=internal
${pkgs.drbd}/bin/drbdadm -- --force dump-md $V > "$TMPDIR"/md_orig.txt
NODE_FROM=$(cat "$TMPDIR"/md_orig.txt | ${pkgs.gnused}/bin/sed -n 's/^node-id \(.*\);$/\1/p')
${pkgs.gnused}/bin/sed -e "s/node-id $NODE_FROM/node-id $NODE_TO/" \
-e "s/^peer.$NODE_FROM. /peer-NEW /" \
-e "s/^peer.$NODE_TO. /peer[$NODE_FROM] /" \
-e "s/^peer-NEW /peer[$NODE_TO] /" \
< "$TMPDIR"/md_orig.txt > "$TMPDIR"/md.txt
drbdmeta --force $(drbdadm sh-minor $V) v09 $(drbdadm sh-md-dev $V) $META_DATA_LOCATION restore-md "$TMPDIR"/md.txt
'')
];
networking.firewall.allowedTCPPorts = map (device: device.port) (lib.attrValues cfg);
systemd.services = lib.mapAttrs' (_: device:
lib.nameValuePair "drbd-${device.name}" {
after = [ "systemd-udev.settle.service" "network.target" ];
after = [ "systemd-udev.settle.service" "network.target" "retiolum.service" ];
wants = [ "systemd-udev.settle.service" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
@ -88,7 +117,7 @@ in {
''}
if ! ${pkgs.drbd}/bin/drbdadm adjust ${device.name}; then
${pkgs.drbd}/bin/drbdadm down ${device.name}
${pkgs.drbd}/bin/drbdadm create-md ${device.name}
${pkgs.drbd}/bin/drbdadm create-md ${device.name}/0 --max-peers 31
${pkgs.drbd}/bin/drbdadm up ${device.name}
fi
'';

35
lass/5pkgs/drbd9/default.nix Normal file
View File

@ -0,0 +1,35 @@
{ lib, stdenv, git, fetchzip, fetchFromGitHub, kernel }: let
version = "9.1.7";
in stdenv.mkDerivation {
pname = "drbd";
version = "${kernel.version}-${version}";
src = fetchzip {
url = "https://pkg.linbit.com//downloads/drbd/9/drbd-9.1.7.tar.gz";
sha256 = "sha256-JsbtOrqhZkG7tFEc6tDmj3RlxZggl0HOKfCI8lYtQok=";
};
# src = fetchFromGitHub {
# owner = "LINBIT";
# repo = "drbd";
# rev = "drbd-${version}";
# sha256 = "sha256-8HAt+k0yi6XsZZ9mkVCQkv2pn65o3Zsa0KwTSBJh0yY=";
# leaveDotGit = true;
# };
nativeBuildInputs = [ git ] ++ kernel.moduleBuildDependencies;
# hardeningDisable = [ "pic" ];
makeFlags = kernel.makeFlags ++ [
"KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
];
installPhase = ''
install -D drbd/drbd.ko -t "$out/lib/modules/${kernel.modDirVersion}/updates/"
install -D drbd/drbd_transport_tcp.ko -t "$out/lib/modules/${kernel.modDirVersion}/updates/"
'';
enableParallelBuilding = true;
}