feat(store): pgx pool and endpoints CRUD

internal/store/endpoints.go

@@ -0,0 +1,46 @@
+package store
+
+import "context"
+
+type Endpoint struct {
+	ID        int64
+	RoleLabel string
+	Host      string
+	Port      int
+	TLSMode   string
+}
+
+func (s *Store) CreateEndpoint(ctx context.Context, e Endpoint) (int64, error) {
+	var id int64
+	err := s.Pool.QueryRow(ctx,
+		`INSERT INTO endpoints (role_label, host, port, tls_mode)
+		 VALUES ($1,$2,$3,$4) RETURNING id`,
+		e.RoleLabel, e.Host, e.Port, e.TLSMode).Scan(&id)
+	return id, err
+}
+
+func (s *Store) GetEndpoint(ctx context.Context, id int64) (Endpoint, error) {
+	var e Endpoint
+	err := s.Pool.QueryRow(ctx,
+		`SELECT id, role_label, host, port, tls_mode FROM endpoints WHERE id=$1`, id).
+		Scan(&e.ID, &e.RoleLabel, &e.Host, &e.Port, &e.TLSMode)
+	return e, err
+}
+
+func (s *Store) ListEndpoints(ctx context.Context) ([]Endpoint, error) {
+	rows, err := s.Pool.Query(ctx,
+		`SELECT id, role_label, host, port, tls_mode FROM endpoints ORDER BY id`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []Endpoint
+	for rows.Next() {
+		var e Endpoint
+		if err := rows.Scan(&e.ID, &e.RoleLabel, &e.Host, &e.Port, &e.TLSMode); err != nil {
+			return nil, err
+		}
+		out = append(out, e)
+	}
+	return out, rows.Err()
+}