feat: add audit log schema
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@@ -2,6 +2,7 @@
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## Unreleased
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- Audit-Log-Migration mit append-only Triggern und Tenant-Zeit-Index angelegt.
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- VMID-Allokator-Migration mit transaktionssicherer Reservation pro Cluster angelegt.
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- VMs-und-SSH-Keys-Migration mit Ressourcen-Mapping und eindeutigem Proxmox-VMID-Index angelegt.
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- Cluster-Migration fuer Proxmox-Verbindungen mit `encrypted_token bytea` angelegt.
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@@ -59,6 +59,11 @@ Arbeitsliste auf Basis von `proxmox-console-entwicklungsplan.md`. Die Entwurfsda
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- [x] VMID-Reservationen vor Proxmox-Calls modelliert
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- [x] Transaktionssichere Funktion `reserve_next_vmid(cluster_id)` mit `SELECT ... FOR UPDATE` angelegt
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- [x] Concurrency-Test mit 50 parallelen Reservierungen lokal verifiziert
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- [x] E2-T07: Audit-Log-Tabelle
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- [x] Append-only Tabelle `audit_log` angelegt
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- [x] Tenant- und Profil-Referenzen gesetzt
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- [x] Index auf `(tenant_id, created_at)` gesetzt
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- [x] UPDATE/DELETE per Trigger blockiert
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## MVP-Backlog
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@@ -103,3 +108,4 @@ Arbeitsliste auf Basis von `proxmox-console-entwicklungsplan.md`. Die Entwurfsda
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- 2026-06-10: Cluster-Migration `0004_clusters` angelegt und lokal gegen Supabase verifiziert.
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- 2026-06-10: VMs-und-SSH-Keys-Migration `0005_vms_and_ssh_keys` angelegt und lokal gegen Supabase verifiziert.
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- 2026-06-10: VMID-Allokator-Migration `0006_vmid_allocator` angelegt und mit 50 parallelen Reservierungen lokal gegen Supabase verifiziert.
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- 2026-06-10: Audit-Log-Migration `0007_audit_log` angelegt und Append-only-Verhalten lokal gegen Supabase verifiziert.
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@@ -0,0 +1,7 @@
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DROP TRIGGER IF EXISTS audit_log_no_delete ON public.audit_log;
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DROP TRIGGER IF EXISTS audit_log_no_update ON public.audit_log;
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DROP FUNCTION IF EXISTS public.prevent_audit_log_mutation();
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DROP INDEX IF EXISTS public.audit_log_target_idx;
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DROP INDEX IF EXISTS public.audit_log_profile_id_idx;
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DROP INDEX IF EXISTS public.audit_log_tenant_id_created_at_idx;
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DROP TABLE IF EXISTS public.audit_log;
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@@ -0,0 +1,35 @@
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CREATE TABLE public.audit_log (
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id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
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tenant_id uuid NOT NULL REFERENCES public.tenants(id) ON DELETE RESTRICT,
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profile_id uuid REFERENCES public.profiles(id) ON DELETE SET NULL,
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action text NOT NULL,
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target_type text NOT NULL,
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target_id uuid,
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metadata jsonb NOT NULL DEFAULT '{}'::jsonb,
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created_at timestamptz NOT NULL DEFAULT now(),
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CONSTRAINT audit_log_action_not_blank_check CHECK (btrim(action) <> ''),
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CONSTRAINT audit_log_target_type_not_blank_check CHECK (btrim(target_type) <> '')
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);
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CREATE INDEX audit_log_tenant_id_created_at_idx ON public.audit_log (tenant_id, created_at DESC);
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CREATE INDEX audit_log_profile_id_idx ON public.audit_log (profile_id);
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CREATE INDEX audit_log_target_idx ON public.audit_log (target_type, target_id);
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CREATE OR REPLACE FUNCTION public.prevent_audit_log_mutation()
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RETURNS trigger
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RAISE EXCEPTION 'audit_log is append-only';
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END;
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$$;
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CREATE TRIGGER audit_log_no_update
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BEFORE UPDATE ON public.audit_log
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FOR EACH ROW
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EXECUTE FUNCTION public.prevent_audit_log_mutation();
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CREATE TRIGGER audit_log_no_delete
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BEFORE DELETE ON public.audit_log
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FOR EACH ROW
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EXECUTE FUNCTION public.prevent_audit_log_mutation();
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