0006: Plugins as separate sandboxed processes (D-006)
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ADR-0006: Plugins as separate sandboxed processes (D-006)
Section titled “ADR-0006: Plugins as separate sandboxed processes (D-006)”- Status: Accepted
- Date: 2026-11-01
- Related: ADR-0007
Context
Section titled “Context”Third-party plugin code must never run inside the root daemon.
Decision
Section titled “Decision”Each plugin runs in its own systemd unit generated from its manifest:
DynamicUser=yes where possible, ProtectSystem=strict,
NoNewPrivileges=yes, minimal CapabilityBoundingSet, declared
read/write paths and address families. Monitor plugins needing kernel
state get declared capabilities only (CAP_BPF etc.).
Consequences
Section titled “Consequences”- Fault and privilege isolation per plugin;
systemd-analyze securityscore <= 3.0 expected for capability-free plugins. - Supervisor complexity (timeouts, restarts, degraded states) lives in the core and is tested from F1.