0.27.0 — Infisical hardening: runtime refresh, audit logging, CLI verify/audit, startup verification, SSH host key verification, interface consolidation

internal/actuator/hostkeys_infisical.go

@@ -0,0 +1,56 @@
+package actuator
+
+import (
+	"context"
+	"log/slog"
+
+	"github.com/dtoro/oikos/internal/db"
+	"github.com/dtoro/oikos/internal/secrets"
+)
+
+// InfisicalHostKeySource implements HostKeySource backed by Infisical.
+type InfisicalHostKeySource struct {
+	sec secrets.Backend
+}
+
+// NewInfisicalHostKeySource creates a HostKeySource that reads/writes
+// SSH host public keys from Infisical under the `ssh/host-keys/` prefix.
+func NewInfisicalHostKeySource(sec secrets.Backend) *InfisicalHostKeySource {
+	return &InfisicalHostKeySource{sec: sec}
+}
+
+func (s *InfisicalHostKeySource) GetHostKey(ctx context.Context, path string) (string, error) {
+	val, err := s.sec.Get(ctx, path)
+	if err != nil {
+		return "", err
+	}
+	return val, nil
+}
+
+func (s *InfisicalHostKeySource) SetHostKey(ctx context.Context, path string, key string) error {
+	return s.sec.Set(ctx, path, key)
+}
+
+// ResolveSSHHosts queries the DB for active proxmox-host and standalone-server
+// entities, returning their slugs as SSH host identifiers.
+func ResolveSSHHosts(ctx context.Context, pool *db.Pool) []string {
+	rows, err := pool.Query(ctx, `
+		SELECT slug FROM entities
+		WHERE type IN ('proxmox-host', 'standalone-server')
+		  AND state = 'active'
+		ORDER BY slug`)
+	if err != nil {
+		slog.Warn("ssh: failed to list hosts", "error", err)
+		return nil
+	}
+	defer rows.Close()
+
+	var hosts []string
+	for rows.Next() {
+		var slug string
+		if rows.Scan(&slug) == nil {
+			hosts = append(hosts, slug)
+		}
+	}
+	return hosts
+}