Archived
beatzaplentyandClaude Sonnet 4.6
6002c5c738
Check NixOS configurations / eval-hosts (pull_request) Failing after 11m40s
A fresh proxmox-server deploy has a blank scsi1 disk, so zfs-import-tank.service spun 60 s then failed with no pool found. Add zfs-init-tank.service that runs before the import: exits immediately if the pool already exists, imports it if it exists but isn't imported yet, or creates it on /dev/disk/by-id/scsi-*drive-scsi1 (Proxmox's virtio-scsi naming for the second disk) with all required NFS datasets if the disk is blank. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
91 lines
3.4 KiB
Nix
91 lines
3.4 KiB
Nix
{ vars, lib, pkgs, ... }:
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let
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poolName = lib.removePrefix "/" vars.storageRoot;
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# For each NFS share subpath, generate every ancestor path so ZFS datasets
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# are created parent-first. e.g. "docker/config" → ["docker" "docker/config"]
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ancestors = path:
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let parts = lib.splitString "/" path;
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in lib.imap1 (i: _: lib.concatStringsSep "/" (lib.take i parts)) parts;
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poolDatasets = lib.unique (
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lib.concatMap (share: ancestors share.subpath) (lib.attrValues vars.nfsShares)
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);
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in
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{
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imports = [
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../beszel/enable-agent.nix
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../services/zfs/enable-service.nix
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];
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boot.zfs.extraPools = [ poolName ];
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# On a fresh image deploy the data disk (scsi1) starts blank — no pool
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# exists yet, so zfs-import-tank.service would spin for 60 s and fail.
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# This service runs first: if the pool is already present it exits instantly;
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# otherwise it creates it (with all required datasets) so the standard
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# import service finds it ready on the very first boot.
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systemd.services."zfs-init-${poolName}" = {
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description = "Initialize '${poolName}' ZFS pool on first boot if not present";
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wantedBy = [ "zfs-import-${poolName}.service" ];
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before = [ "zfs-import-${poolName}.service" ];
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after = [ "systemd-udev-settle.service" ];
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unitConfig.DefaultDependencies = false;
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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};
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path = [ pkgs.zfs_unstable ];
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script = ''
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# Already imported — nothing to do.
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if zpool list "${poolName}" >/dev/null 2>&1; then
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exit 0
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fi
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# Pool exists on a device but not yet imported — let the standard
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# zfs-import-${poolName}.service handle it normally.
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if zpool import -d /dev/disk/by-id -N "${poolName}" 2>/dev/null; then
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exit 0
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fi
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# No pool found at all. Create it on the Proxmox data disk (scsi1),
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# which appears as /dev/disk/by-id/scsi-*drive-scsi1 inside the VM.
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DATA_DISK=""
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for candidate in /dev/disk/by-id/scsi-*drive-scsi1; do
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[[ "$candidate" == *-part* ]] && continue
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[ -b "$candidate" ] && DATA_DISK="$candidate" && break
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done
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if [ -z "$DATA_DISK" ]; then
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echo "zfs-init-${poolName}: no data disk found (expected /dev/disk/by-id/scsi-*drive-scsi1)" >&2
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exit 1
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fi
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echo "zfs-init-${poolName}: creating pool on $DATA_DISK"
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zpool create -f "${poolName}" "$DATA_DISK"
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${lib.concatMapStrings (ds: ''
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zfs create "${poolName}/${ds}"
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'') poolDatasets}
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'';
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};
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systemd.services.nfs-server = {
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after = [ "zfs-mount.service" ];
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requires = [ "zfs-mount.service" ];
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};
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services.nfs.server = {
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enable = true;
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exports = ''
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${vars.storageRoot}/${vars.nfsShares.dockerConfig.subpath} ${vars.lanCidr}(rw,sync,no_subtree_check,no_root_squash)
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${vars.storageRoot}/${vars.nfsShares.dockerVolumes.subpath} ${vars.lanCidr}(rw,sync,no_subtree_check,no_root_squash)
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${vars.storageRoot}/${vars.nfsShares.dockerDatabases.subpath} ${vars.lanCidr}(rw,sync,no_subtree_check,no_root_squash)
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${vars.storageRoot}/${vars.nfsShares.nextcloudData.subpath} ${vars.lanCidr}(rw,sync,no_subtree_check,no_root_squash)
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${vars.storageRoot}/${vars.nfsShares.raspiVolumes.subpath} ${vars.lanCidr}(rw,sync,no_subtree_check,no_root_squash)
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'';
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};
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networking.firewall.allowedTCPPorts = [ vars.ports.nfsRpcbind vars.ports.nfsd ];
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}
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