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feat: format empty partitions on system disk (v0.32.6)

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Detect and offer to format empty (no filesystem) partitions on the system
disk. Adds IsSystemPartition() for granular per-partition safety checks
instead of blocking the entire system disk. Init wizard shows formatable
partitions with appropriate warnings. Add felhotest demo node to docs.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
authentik Default Admin
2026-02-27 16:54:16 +01:00
parent 2c0064ac87
commit b4bda38fa1
11 changed files with 270 additions and 39 deletions
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controller/README.md
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@@ -4,7 +4,7 @@
A single, lightweight Go container that replaces Portainer + scattered systemd scripts with a unified, Hungarian-language web dashboard for managing Docker Compose stacks, backups, storage, monitoring, and notifications on customer hardware.
**Current version: v0.32.5**
**Current version: v0.32.6**
---
@@ -472,7 +472,7 @@ The storage subsystem handles the full lifecycle of external storage: detection,
- `ScanDisks()` uses `lsblk -J -b` for block device enumeration
- System disk detection via host fstab parsing (`/host-fstab`) + UUID resolution via `blkid`
- Partitions enriched with filesystem type, UUID, and label from direct `blkid` probing (Docker containers have incomplete udev cache)
- Returns `AvailableDisks` (non-system, non-loop, non-CDROM) and `SystemDisks` separately
- Returns `AvailableDisks` (non-system, non-loop, non-CDROM), `SystemDisks`, and `FormatablePartitions` (empty partitions on system disks that are safe to format)
- Handles NVMe (`nvme0n1p1`), SCSI (`sdb1`), and eMMC (`mmcblk0p1`) naming
#### Disk Initialization Wizard (`internal/storage/format.go`)
@@ -488,6 +488,8 @@ A step-by-step UI at `/settings/storage/init`:
Safety guards: system disk detection, mount path conflict check, confirmation required, progress channel for real-time UI feedback.
**System-disk partition formatting:** When the system disk has an empty partition (no filesystem, not mounted, not used for /, /boot, /boot/efi, or swap), the init wizard detects it via `FormatablePartitions` in the scan result and offers to format just that partition. Uses `IsSystemPartition()` (granular per-partition check via fstab) instead of `IsSystemDisk()` (whole-disk block), so sda1 can be formatted while sda3 (root) remains protected.
#### Attach Existing Drive Wizard (`internal/storage/attach.go`)
A step-by-step UI at `/settings/storage/attach` for drives that already have a filesystem (e.g., a previously used ext4 drive). Unlike the init wizard, this does **not** format the drive — existing data is preserved.
@@ -1785,7 +1787,8 @@ See `docker-compose.yml` for the full volume configuration.
| Node | Hardware | Domain | Status |
|------|----------|--------|--------|
| demo-felhom | Acemagic GK3PLUS N100, 16G RAM, 512G SSD + 1TB HDD | demo-felhom.eu | Controller v0.22.3 |
| demo-felhom | Acemagic GK3PLUS N100, 16G RAM, 512G SSD + 1TB HDD | demo-felhom.eu | Active |
| felhotest | Remote VPS, 200G + 100G disk | router.abonet.hu:33022 | Active |
| pi-customer-1 | Raspberry Pi 3B+, 1G RAM, 32G SD | pi-customer-1.local | Not yet tested |
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