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path: root/test/test_ipfix_export.py
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#!/usr/bin/env python3
from framework import VppTestCase
from ipaddress import IPv4Address


class TestIpfixExporter(VppTestCase):
    """Ipfix Exporter Tests"""

    def setUp(self):
        super(TestIpfixExporter, self).setUp()
        self.create_pg_interfaces(range(4))
        for i in self.pg_interfaces:
            i.admin_up()
            i.config_ip4()
            i.resolve_arp()
            i.config_ip6()
            i.resolve_ndp()
            i.disable_ipv6_ra()

    def tearDown(self):
        super(TestIpfixExporter, self).tearDown()
        for i in self.pg_interfaces:
            i.unconfig_ip4()
            i.unconfig_ip6()
            i.admin_down()

    def find_exp_by_collector_addr(self, exporters, addr):
        """Find the exporter in the list of exportes with the given  addr"""

        for exp in exporters:
            if exp.collector_address == IPv4Address(addr):
                return exp
        return None

    def verify_exporter_detail(
        self, exp, collector_addr, src_addr, collector_port=4739, mtu=1400, interval=20
    ):
        self.assertTrue(exp is not None)
        self.assert_equal(exp.collector_address, collector_addr)
        self.assert_equal(exp.src_address, src_addr)
        self.assert_equal(exp.collector_port, collector_port)
        self.assert_equal(exp.path_mtu, mtu)
        self.assert_equal(exp.template_interval, interval)

    def test_create_multipe_exporters(self):
        """test that we can create and dump multiple exporters"""

        mtu = 1400
        interval = 20
        port = 4739

        # Old API - always gives us pool index 0.
        self.vapi.set_ipfix_exporter(
            collector_address=self.pg1.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu,
            template_interval=interval,
        )

        exporters = self.vapi.ipfix_exporter_dump()
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        # create a 2nd exporter
        self.vapi.ipfix_exporter_create_delete(
            collector_address=self.pg2.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu,
            template_interval=interval,
            is_create=True,
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        self.assertTrue(len(exporters) == 2)
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg2.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg2.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        # Create a 3rd exporter
        self.vapi.ipfix_exporter_create_delete(
            collector_address=self.pg3.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu,
            template_interval=interval,
            is_create=True,
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        self.assertTrue(len(exporters) == 3)
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg2.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg2.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg3.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg3.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        # Modify the 2nd exporter.
        self.vapi.ipfix_exporter_create_delete(
            collector_address=self.pg2.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu + 1,
            template_interval=interval + 1,
            is_create=True,
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        self.assertTrue(len(exporters) == 3)
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg2.remote_ip4)
        self.verify_exporter_detail(
            exp,
            IPv4Address(self.pg2.remote_ip4),
            IPv4Address(self.pg0.local_ip4),
            mtu=mtu + 1,
            interval=interval + 1,
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg3.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg3.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        # Delete 2nd exporter
        self.vapi.ipfix_exporter_create_delete(
            collector_address=self.pg2.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu,
            template_interval=interval,
            is_create=False,
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        self.assertTrue(len(exporters) == 2)
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
        exp = self.find_exp_by_collector_addr(exporters, self.pg3.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg3.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )

        # Delete final exporter (exporter in slot 0 can not be deleted)
        self.vapi.ipfix_exporter_create_delete(
            collector_address=self.pg3.remote_ip4,
            src_address=self.pg0.local_ip4,
            collector_port=4739,
            path_mtu=mtu,
            template_interval=interval,
            is_create=False,
        )

        exporters = list(self.vapi.vpp.details_iter(self.vapi.ipfix_all_exporter_get))
        self.assertTrue(len(exporters) == 1)
        exp = self.find_exp_by_collector_addr(exporters, self.pg1.remote_ip4)
        self.verify_exporter_detail(
            exp, IPv4Address(self.pg1.remote_ip4), IPv4Address(self.pg0.local_ip4)
        )
class="p">{ index_t index = va_arg(*ap, index_t); CLIB_UNUSED(u32 indent) = va_arg(*ap, u32); vnet_main_t * vnm = vnet_get_main(); dvr_dpo_t *dd = dvr_dpo_get(index); return (format(s, "%U-dvr-%U-dpo %U", format_dpo_proto, dd->dd_proto, format_vnet_sw_interface_name, vnm, vnet_get_sw_interface(vnm, dd->dd_sw_if_index), format_dvr_reinject, dd->dd_reinject)); } static void dvr_dpo_mem_show (void) { fib_show_memory_usage("DVR", pool_elts(dvr_dpo_pool), pool_len(dvr_dpo_pool), sizeof(dvr_dpo_t)); } const static dpo_vft_t dvr_dpo_vft = { .dv_lock = dvr_dpo_lock, .dv_unlock = dvr_dpo_unlock, .dv_format = format_dvr_dpo, .dv_mem_show = dvr_dpo_mem_show, }; /** * @brief The per-protocol VLIB graph nodes that are assigned to a glean * object. * * this means that these graph nodes are ones from which a glean is the * parent object in the DPO-graph. */ const static char* const dvr_dpo_ip4_nodes[] = { "ip4-dvr-dpo", NULL, }; const static char* const dvr_dpo_ip6_nodes[] = { "ip6-dvr-dpo", NULL, }; const static char* const * const dvr_dpo_nodes[DPO_PROTO_NUM] = { [DPO_PROTO_IP4] = dvr_dpo_ip4_nodes, [DPO_PROTO_IP6] = dvr_dpo_ip6_nodes, }; void dvr_dpo_module_init (void) { dpo_register(DPO_DVR, &dvr_dpo_vft, dvr_dpo_nodes); } #endif /* CLIB_MARCH_VARIANT */ /** * @brief Interface DPO trace data */ typedef struct dvr_dpo_trace_t_ { u32 sw_if_index; } dvr_dpo_trace_t; always_inline uword dvr_dpo_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame, u8 is_ip6) { u32 n_left_from, next_index, * from, * to_next; ip_lookup_main_t *lm = (is_ip6? &ip6_main.lookup_main: &ip4_main.lookup_main); from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; next_index = node->cached_next_index; while (n_left_from > 0) { u32 n_left_to_next; vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next); while (n_left_from >= 4 && n_left_to_next > 2) { const dvr_dpo_t *dd0, *dd1; u32 bi0, ddi0, bi1, ddi1; vlib_buffer_t *b0, *b1; u32 next0, next1; u8 len0, len1; bi0 = from[0]; to_next[0] = bi0; bi1 = from[1]; to_next[1] = bi1; from += 2; to_next += 2; n_left_from -= 2; n_left_to_next -= 2; next0 = next1 = 0; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); ddi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; ddi1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX]; dd0 = dvr_dpo_get(ddi0); dd1 = dvr_dpo_get(ddi1); vnet_buffer(b0)->sw_if_index[VLIB_TX] = dd0->dd_sw_if_index; vnet_buffer(b1)->sw_if_index[VLIB_TX] = dd1->dd_sw_if_index; len0 = ((u8*)vlib_buffer_get_current(b0) - (u8*)ethernet_buffer_get_header(b0)); len1 = ((u8*)vlib_buffer_get_current(b1) - (u8*)ethernet_buffer_get_header(b1)); vnet_buffer(b0)->l2.l2_len = vnet_buffer(b0)->ip.save_rewrite_length = len0; vnet_buffer(b1)->l2.l2_len = vnet_buffer(b1)->ip.save_rewrite_length = len1; b0->flags |= VNET_BUFFER_F_IS_DVR; b1->flags |= VNET_BUFFER_F_IS_DVR; vlib_buffer_advance(b0, -len0); vlib_buffer_advance(b1, -len1); vnet_feature_arc_start (lm->output_feature_arc_index, dd0->dd_sw_if_index, &next0, b0); vnet_feature_arc_start (lm->output_feature_arc_index, dd1->dd_sw_if_index, &next1, b1); if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr0; tr0 = vlib_add_trace (vm, node, b0, sizeof (*tr0)); tr0->sw_if_index = dd0->dd_sw_if_index; } if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr1; tr1 = vlib_add_trace (vm, node, b1, sizeof (*tr1)); tr1->sw_if_index = dd1->dd_sw_if_index; } vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1); } while (n_left_from > 0 && n_left_to_next > 0) { const dvr_dpo_t * dd0; vlib_buffer_t * b0; u32 bi0, ddi0; u32 next0; u8 len0; bi0 = from[0]; to_next[0] = bi0; from += 1; to_next += 1; n_left_from -= 1; n_left_to_next -= 1; next0 = 0; b0 = vlib_get_buffer (vm, bi0); ddi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; dd0 = dvr_dpo_get(ddi0); vnet_buffer(b0)->sw_if_index[VLIB_TX] = dd0->dd_sw_if_index; /* * take that, rewind it back... */ len0 = ((u8*)vlib_buffer_get_current(b0) - (u8*)ethernet_buffer_get_header(b0)); vnet_buffer(b0)->l2.l2_len = vnet_buffer(b0)->ip.save_rewrite_length = len0; b0->flags |= VNET_BUFFER_F_IS_DVR; vlib_buffer_advance(b0, -len0); /* * start processing the ipX output features */ vnet_feature_arc_start(lm->output_feature_arc_index, dd0->dd_sw_if_index, &next0, b0); if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr; tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->sw_if_index = dd0->dd_sw_if_index; } vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return from_frame->n_vectors; } static u8 * format_dvr_dpo_trace (u8 * s, va_list * args) { CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); dvr_dpo_trace_t * t = va_arg (*args, dvr_dpo_trace_t *); u32 indent = format_get_indent (s); s = format (s, "%U sw_if_index:%d", format_white_space, indent, t->sw_if_index); return s; } VLIB_NODE_FN (ip4_dvr_dpo_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return (dvr_dpo_inline(vm, node, from_frame, 0)); } VLIB_NODE_FN (ip6_dvr_dpo_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return (dvr_dpo_inline(vm, node, from_frame, 1)); } VLIB_REGISTER_NODE (ip4_dvr_dpo_node) = { .name = "ip4-dvr-dpo", .vector_size = sizeof (u32), .format_trace = format_dvr_dpo_trace, .sibling_of = "ip4-rewrite", }; VLIB_REGISTER_NODE (ip6_dvr_dpo_node) = { .name = "ip6-dvr-dpo", .vector_size = sizeof (u32), .format_trace = format_dvr_dpo_trace, .sibling_of = "ip6-rewrite", }; typedef enum dvr_reinject_next_t_ { DVR_REINJECT_NEXT_L2, DVR_REINJECT_NEXT_L3, } dvr_reinject_next_t; always_inline uword dvr_reinject_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { u32 n_left_from, next_index, * from, * to_next; from = vlib_frame_vector_args (from_frame); n_left_from = from_frame->n_vectors; next_index = node->cached_next_index; while (n_left_from > 0) { u32 n_left_to_next; vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next); while (n_left_from >= 4 && n_left_to_next > 2) { dvr_reinject_next_t next0, next1; const dvr_dpo_t *dd0, *dd1; u32 bi0, bi1, ddi0, ddi1; vlib_buffer_t *b0, *b1; bi0 = from[0]; to_next[0] = bi0; bi1 = from[1]; to_next[1] = bi1; from += 2; to_next += 2; n_left_from -= 2; n_left_to_next -= 2; b0 = vlib_get_buffer (vm, bi0); b1 = vlib_get_buffer (vm, bi1); if (b0->flags & VNET_BUFFER_F_IS_DVR) { ddi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; dd0 = dvr_dpo_get(ddi0); next0 = (dd0->dd_reinject == DVR_REINJECT_L2 ? DVR_REINJECT_NEXT_L2 : DVR_REINJECT_NEXT_L3); } else vnet_feature_next( &next0, b0); if (b1->flags & VNET_BUFFER_F_IS_DVR) { ddi1 = vnet_buffer(b1)->ip.adj_index[VLIB_TX]; dd1 = dvr_dpo_get(ddi1); next1 = (dd1->dd_reinject == DVR_REINJECT_L2 ? DVR_REINJECT_NEXT_L2 : DVR_REINJECT_NEXT_L3); } else vnet_feature_next( &next1, b1); if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr0; tr0 = vlib_add_trace (vm, node, b0, sizeof (*tr0)); tr0->sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_TX]; } if (PREDICT_FALSE(b1->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr1; tr1 = vlib_add_trace (vm, node, b1, sizeof (*tr1)); tr1->sw_if_index = vnet_buffer(b1)->sw_if_index[VLIB_TX]; } vlib_validate_buffer_enqueue_x2(vm, node, next_index, to_next, n_left_to_next, bi0, bi1, next0, next1); } while (n_left_from > 0 && n_left_to_next > 0) { dvr_reinject_next_t next0; const dvr_dpo_t *dd0; vlib_buffer_t * b0; u32 bi0, ddi0; bi0 = from[0]; to_next[0] = bi0; from += 1; to_next += 1; n_left_from -= 1; n_left_to_next -= 1; b0 = vlib_get_buffer (vm, bi0); if (b0->flags & VNET_BUFFER_F_IS_DVR) { ddi0 = vnet_buffer(b0)->ip.adj_index[VLIB_TX]; dd0 = dvr_dpo_get(ddi0); next0 = (dd0->dd_reinject == DVR_REINJECT_L2 ? DVR_REINJECT_NEXT_L2 : DVR_REINJECT_NEXT_L3); } else vnet_feature_next( &next0, b0); if (PREDICT_FALSE(b0->flags & VLIB_BUFFER_IS_TRACED)) { dvr_dpo_trace_t *tr; tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); tr->sw_if_index = vnet_buffer(b0)->sw_if_index[VLIB_TX]; } vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, bi0, next0); } vlib_put_next_frame (vm, node, next_index, n_left_to_next); } return from_frame->n_vectors; } VLIB_NODE_FN (ip4_dvr_reinject_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return (dvr_reinject_inline(vm, node, from_frame)); } VLIB_NODE_FN (ip6_dvr_reinject_node) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * from_frame) { return (dvr_reinject_inline(vm, node, from_frame)); } VLIB_REGISTER_NODE (ip4_dvr_reinject_node) = { .name = "ip4-dvr-reinject", .vector_size = sizeof (u32), .format_trace = format_dvr_dpo_trace, .n_next_nodes = 1, .next_nodes = { [DVR_REINJECT_NEXT_L2] = "l2-output", [DVR_REINJECT_NEXT_L3] = "interface-output", }, }; VLIB_REGISTER_NODE (ip6_dvr_reinject_node) = { .name = "ip6-dvr-reinject", .vector_size = sizeof (u32), .format_trace = format_dvr_dpo_trace, .n_next_nodes = 1, .next_nodes = { [DVR_REINJECT_NEXT_L2] = "l2-output", [DVR_REINJECT_NEXT_L3] = "interface-output", }, }; VNET_FEATURE_INIT (ip4_dvr_reinject_feat_node, static) = { .arc_name = "ip4-output", .node_name = "ip4-dvr-reinject", }; VNET_FEATURE_INIT (ip6_dvr_reinject_feat_node, static) = { .arc_name = "ip6-output", .node_name = "ip6-dvr-reinject", };