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D-Bus Phase 3/4: upgrade sessiond, services, add StatusNotifierWatcher, consolidate configs

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- redbear-sessiond: add Manager.Inhibit (pipe FD), CanPowerOff/CanReboot/
  CanSuspend/CanHibernate/CanHybridSleep/CanSleep (return na), PowerOff/
  Reboot/Suspend stubs, GetSessionByPID, ListUsers, ListSeats,
  ListInhibitors, ActivateSession/LockSession/UnlockSession/TerminateSession
- redbear-sessiond: add Session SetIdleHint, SetLockedHint, SetType,
  Terminate methods; wire PauseDevice/ResumeDevice/Lock/Unlock signal
  emission via SignalEmitter injection; add dynamic device enumeration
  scanning /scheme/drm/card* and /dev/input/event* at startup
- redbear-sessiond: replace infinite pending() with stoppable shutdown
  via tokio watch channel + control socket shutdown command
- redbear-upower: add Changed signal emission with 30s periodic polling
  and power state snapshot comparison
- redbear-notifications: add ActionInvoked signal, expand capabilities
  to body + body-markup + actions
- redbear-polkit, redbear-udisks: replace pending() with stoppable
  shutdown via signal handling + watch channel
- Add redbear-statusnotifierwatcher: new session bus service implementing
  org.freedesktop.StatusNotifierWatcher for KDE system tray
- Add D-Bus activation file for StatusNotifierWatcher
- KWin session.cpp: try LogindSession before NoopSession fallback
- Consolidate config profiles: remove obsolete redbear-desktop, redbear-kde,
  redbear-live-*, redbear-minimal-*, redbear-wayland configs; simplify
  to three supported targets (redbear-full, redbear-mini, redbear-grub)
- Update DBUS-INTEGRATION-PLAN.md and DESKTOP-STACK-CURRENT-STATUS.md
  with Phase 3/4 fragility assessment, KWin readiness matrix, and
  completeness gap analysis
This commit is contained in:
Vasilito
2026-04-25 12:01:25 +01:00
parent 0bd58c912f
commit dc69317ddf
55 changed files with 1535 additions and 1932 deletions
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local/docs/BOOT-PROCESS-ASSESSMENT.md
+18 -21
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@@ -78,7 +78,7 @@ Checks: [unit] section, [service] section, cmd field, non-empty data
Note: Manual validation script covering `redbear-*.toml` configs. Not wired into the build system — run manually after config changes. Does not cover inherited mainline configs (minimal.toml, desktop.toml).
### 3C: Getty Supervisor ✅
Init supports `respawn = true` in service TOML files. When a respawnable service's process exits, init automatically re-spawns it. All getty services across `redbear-minimal`, `redbear-desktop`, `redbear-greeter-services`, `redbear-live-mini`, `wayland`, and `redbear-kde` configs now have `respawn = true` set.
Init supports `respawn = true` in service TOML files. When a respawnable service's process exits, init automatically re-spawns it. All getty services across `redbear-mini`, `redbear-full`, `redbear-greeter-services`, `redbear-grub`, and `wayland` configs now have `respawn = true` set.
Implementation:
- `service.rs`: Added `respawn: bool` field to `Service` (default false). `spawn()` returns `Option<u32>` (child PID) for respawnable oneshot_async services.
@@ -121,8 +121,8 @@ Status: Chain exists in rootfs only. On modern hardware without PS/2 ports, USB
### Hardware Validation Requirements
Bare-metal testing requires physical hardware. Current validation is:
- **QEMU boot**: Verified for redbear-minimal and redbear-full (no panics, no parse errors, switchroot succeeds)
- **Live ISO build**: redbear-live-mini and redbear-live build successfully
- **QEMU boot**: Verified for redbear-mini and redbear-full (no panics, no parse errors, switchroot succeeds)
- **Live ISO build**: redbear-mini and redbear-grub build successfully
- **Interactive login**: Framebuffer login renders correctly (serial not available in headless QEMU)
## Phase 5: Validation Matrix ✅
@@ -132,8 +132,7 @@ Bare-metal testing requires physical hardware. Current validation is:
|--------|-------|-----------|-----------------|-------|
| redbear-mini | ✅ harddrive.img (2 GB) | ✅ Login prompt | — | Framebuffer console login |
| redbear-full | ✅ harddrive.img (4 GB) | ✅ Login prompt | — | Desktop packages included |
| redbear-live-mini | ✅ ISO (384 MB) | — | ✅ Login prompt | ISO for bare-metal boot |
| redbear-live-full | ✅ ISO (3.0 GB) | — | — | ISO for bare-metal boot |
| redbear-grub | ✅ harddrive.img | — | — | Text-only with GRUB chainload |
### Compilation Verification
- `cargo check --workspace` in base source: **0 errors**
@@ -161,20 +160,20 @@ Bare-metal testing requires physical hardware. Current validation is:
### Validation Commands
```bash
# Build
CI=1 make all CONFIG_NAME=redbear-minimal ARCH=x86_64
CI=1 make all CONFIG_NAME=redbear-mini ARCH=x86_64
CI=1 make all CONFIG_NAME=redbear-full ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-live-mini ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-live-full ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-mini ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-full ARCH=x86_64
# QEMU test
make qemu CONFIG_NAME=redbear-minimal
make qemu CONFIG_NAME=redbear-mini
# Service file validation
./local/scripts/validate-service-files.sh config/
# Clean rebuild + verify
CI=1 make cr.base CONFIG_NAME=redbear-minimal ARCH=x86_64
CI=1 make all CONFIG_NAME=redbear-minimal ARCH=x86_64
CI=1 make cr.base CONFIG_NAME=redbear-mini ARCH=x86_64
CI=1 make all CONFIG_NAME=redbear-mini ARCH=x86_64
```
## Key Technical Findings
@@ -268,16 +267,15 @@ Services with `type = "oneshot_async"` are fire-and-forget by default. Init spaw
### Config Include Chain
```
redbear-live-full.toml → redbear-live.toml
redbear-live.toml → redbear-full.toml
redbear-full.toml → desktop.toml, redbear-legacy-base.toml, redbear-legacy-desktop.toml,
redbear-device-services.toml, redbear-netctl.toml, redbear-greeter-services.toml
redbear-device-services.toml, redbear-netctl.toml, redbear-greeter-services.toml
desktop.toml → desktop-minimal.toml, server.toml
desktop-minimal.toml → minimal.toml
server.toml → minimal.toml
minimal.toml → base.toml
redbear-live-mini.toml → minimal.toml, redbear-legacy-base.toml, redbear-netctl.toml
redbear-grub.toml → redbear-full.toml, redbear-grub-policy.toml
redbear-mini → redbear-minimal.toml → minimal.toml, redbear-legacy-base.toml,
redbear-device-services.toml, redbear-netctl.toml
```
@@ -358,9 +356,8 @@ redbear-mini → redbear-minimal.toml → minimal.toml, redbear-legacy-base.toml
| Target | Purpose | Output |
|--------|---------|--------|
| `redbear-mini` | Minimal non-desktop (QEMU + bare metal) | `build/x86_64/harddrive.img` |
| `redbear-live-mini` | Minimal live ISO (bare metal only) | `build/x86_64/redbear-live-mini.iso` |
| `redbear-grub` | Text-only with GRUB boot manager (bare metal) | `build/x86_64/harddrive.img` |
| `redbear-full` | Desktop/graphics (QEMU + bare metal) | `build/x86_64/harddrive.img` |
| `redbear-live-full` / `redbear-live` | Desktop/graphics live ISO (bare metal only) | `build/x86_64/redbear-live-full.iso` |
### Build commands
@@ -369,13 +366,13 @@ redbear-mini → redbear-minimal.toml → minimal.toml, redbear-legacy-base.toml
CI=1 make all CONFIG_NAME=redbear-mini ARCH=x86_64
# Minimal live ISO (bare-metal boot)
CI=1 make live CONFIG_NAME=redbear-live-mini ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-mini ARCH=x86_64
# Desktop/graphics target (QEMU testing)
CI=1 make all CONFIG_NAME=redbear-full ARCH=x86_64
# Desktop/graphics live ISO (bare-metal boot)
CI=1 make live CONFIG_NAME=redbear-live-full ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-full ARCH=x86_64
```
### QEMU boot (harddrive.img)
@@ -399,12 +396,12 @@ graphical console, not serial.
1. **Build the ISO:**
```bash
CI=1 make live CONFIG_NAME=redbear-live-mini ARCH=x86_64
CI=1 make live CONFIG_NAME=redbear-mini ARCH=x86_64
```
2. **Write ISO to USB drive:**
```bash
sudo dd if=build/x86_64/redbear-live-mini.iso of=/dev/sdX bs=4M status=progress && sync
sudo dd if=build/x86_64/redbear-live.iso of=/dev/sdX bs=4M status=progress && sync
```
Replace `/dev/sdX` with your USB device. Use `lsblk` to identify it.