diff options
| -rw-r--r-- | lass/3modules/drbd.nix | 35 | ||||
| -rw-r--r-- | lass/5pkgs/drbd9/default.nix | 35 |
2 files changed, 67 insertions, 3 deletions
diff --git a/lass/3modules/drbd.nix b/lass/3modules/drbd.nix index 816e58f0a..dbc3db4db 100644 --- a/lass/3modules/drbd.nix +++ b/lass/3modules/drbd.nix @@ -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 ${device.name} fi ''; diff --git a/lass/5pkgs/drbd9/default.nix b/lass/5pkgs/drbd9/default.nix new file mode 100644 index 000000000..34ef0f564 --- /dev/null +++ b/lass/5pkgs/drbd9/default.nix @@ -0,0 +1,35 @@ +{ lib, stdenv, git, fetchzip, fetchFromGitHub, kernel }: let + + version = "9.1.7"; + +in stdenv.mkDerivation { + pname = "drbd"; + version = "${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; +} |