summaryrefslogtreecommitdiffstats
path: root/src/plugins/kubeproxy/kp_cli.c
diff options
context:
space:
mode:
authorHongjun Ni <hongjun.ni@intel.com>2017-08-29 01:00:42 +0800
committerDave Wallace <dwallacelf@gmail.com>2017-12-18 13:55:45 +0000
commitc91f50242f384da67ad7a634dbe26276e67efd91 (patch)
treee784ffaf15d3f5240fdef44f522feb5c4307b54d /src/plugins/kubeproxy/kp_cli.c
parent42998828c9bfa419ff3d9c68fd50cd148e24d4e4 (diff)
Support kube-proxy data plane
This plugin provides kube-proxy data plane on user space, which is used to replace linux kernal's kube-proxy based on iptables. The idea is largely inspired from VPP LB plugin. Currently, kube-proxy plugin supports three service types: 1) Cluster IP plus Port: support any protocols, including TCP, UDP. 2) Node IP plus Node Port: currently only support UDP. 3) External Load Balancer. Please refer to kp_plugin_doc.md for details. Change-Id: I36690e417dd26ad5ec1bd77c7ea4b8100416cac6 Signed-off-by: Hongjun Ni <hongjun.ni@intel.com>
Diffstat (limited to 'src/plugins/kubeproxy/kp_cli.c')
-rw-r--r--src/plugins/kubeproxy/kp_cli.c347
1 files changed, 347 insertions, 0 deletions
diff --git a/src/plugins/kubeproxy/kp_cli.c b/src/plugins/kubeproxy/kp_cli.c
new file mode 100644
index 00000000000..6a18834274e
--- /dev/null
+++ b/src/plugins/kubeproxy/kp_cli.c
@@ -0,0 +1,347 @@
+/*
+ * Copyright (c) 2016 Intel and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "POD IS" BPODIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <kubeproxy/kp.h>
+
+
+static clib_error_t *
+kp_vip_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip46_address_t prefix;
+ u8 plen;
+ u32 new_len = 1024;
+ u32 port = 0;
+ u32 target_port = 0;
+ u32 node_port = 0;
+ u32 del = 0;
+ int ret;
+ u32 nat4 = 0;
+ kp_vip_type_t type;
+ clib_error_t *error = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ if (!unformat(line_input, "%U", unformat_ip46_prefix, &prefix, &plen, IP46_TYPE_ANY, &plen)) {
+ error = clib_error_return (0, "invalid vip prefix: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat(line_input, "new_len %d", &new_len))
+ ;
+ else if (unformat(line_input, "port %d", &port))
+ ;
+ else if (unformat(line_input, "target_port %d", &target_port))
+ ;
+ else if (unformat(line_input, "node_port %d", &node_port))
+ ;
+ else if (unformat(line_input, "del"))
+ del = 1;
+ else if (unformat(line_input, "nat4"))
+ nat4 = 1;
+ else if (unformat(line_input, "nat6"))
+ nat4 = 0;
+ else {
+ error = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+
+ if (ip46_prefix_is_ip4(&prefix, plen)) {
+ type = (nat4)?KP_VIP_TYPE_IP4_NAT44:KP_VIP_TYPE_IP4_NAT46;
+ } else {
+ type = (nat4)?KP_VIP_TYPE_IP6_NAT64:KP_VIP_TYPE_IP6_NAT66;
+ }
+
+ kp_garbage_collection();
+
+ u32 index;
+ if (!del) {
+ if ((ret = kp_vip_add(&prefix, plen, type, new_len, &index,
+ (u16)port, (u16)target_port, (u16)node_port))) {
+ error = clib_error_return (0, "kp_vip_add error %d", ret);
+ goto done;
+ } else {
+ vlib_cli_output(vm, "kp_vip_add ok %d", index);
+ }
+ } else {
+ if ((ret = kp_vip_find_index(&prefix, plen, &index))) {
+ error = clib_error_return (0, "kp_vip_find_index error %d", ret);
+ goto done;
+ } else if ((ret = kp_vip_del(index))) {
+ error = clib_error_return (0, "kp_vip_del error %d", ret);
+ goto done;
+ }
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (kp_vip_command, static) =
+{
+ .path = "kube-proxy vip",
+ .short_help = "kube-proxy vip <prefix> port <n> target_port <n>"
+ " node_port <n> [nat4|nat6)] [new_len <n>] [del]",
+ .function = kp_vip_command_fn,
+};
+
+static clib_error_t *
+kp_pod_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ ip46_address_t vip_prefix, pod_addr;
+ u8 vip_plen;
+ ip46_address_t *pod_array = 0;
+ u32 vip_index;
+ u8 del = 0;
+ int ret;
+ clib_error_t *error = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ if (!unformat(line_input, "%U", unformat_ip46_prefix, &vip_prefix, &vip_plen, IP46_TYPE_ANY)) {
+ error = clib_error_return (0, "invalid pod address: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+
+ if ((ret = kp_vip_find_index(&vip_prefix, vip_plen, &vip_index))) {
+ error = clib_error_return (0, "kp_vip_find_index error %d", ret);
+ goto done;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat(line_input, "%U", unformat_ip46_address, &pod_addr, IP46_TYPE_ANY)) {
+ vec_add1(pod_array, pod_addr);
+ } else if (unformat(line_input, "del")) {
+ del = 1;
+ } else {
+ error = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (!vec_len(pod_array)) {
+ error = clib_error_return (0, "No POD address provided");
+ goto done;
+ }
+
+ kp_garbage_collection();
+ clib_warning("vip index is %d", vip_index);
+
+ if (del) {
+ if ((ret = kp_vip_del_pods(vip_index, pod_array, vec_len(pod_array)))) {
+ error = clib_error_return (0, "kp_vip_del_pods error %d", ret);
+ goto done;
+ }
+ } else {
+ if ((ret = kp_vip_add_pods(vip_index, pod_array, vec_len(pod_array)))) {
+ error = clib_error_return (0, "kp_vip_add_pods error %d", ret);
+ goto done;
+ }
+ }
+
+done:
+ unformat_free (line_input);
+ vec_free(pod_array);
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (kp_pod_command, static) =
+{
+ .path = "kube-proxy pod",
+ .short_help =
+ "kube-proxy pod <vip-prefix> [<address> [<address> [...]]] [del]",
+ .function = kp_pod_command_fn,
+};
+
+static clib_error_t *
+kp_conf_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ kp_main_t *kpm = &kp_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 per_cpu_sticky_buckets = kpm->per_cpu_sticky_buckets;
+ u32 per_cpu_sticky_buckets_log2 = 0;
+ u32 flow_timeout = kpm->flow_timeout;
+ int ret;
+ clib_error_t *error = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat(line_input, "buckets %d", &per_cpu_sticky_buckets))
+ ;
+ else if (unformat(line_input, "buckets-log2 %d", &per_cpu_sticky_buckets_log2)) {
+ if (per_cpu_sticky_buckets_log2 >= 32)
+ return clib_error_return (0, "buckets-log2 value is too high");
+ per_cpu_sticky_buckets = 1 << per_cpu_sticky_buckets_log2;
+ } else if (unformat(line_input, "timeout %d", &flow_timeout))
+ ;
+ else {
+ error = clib_error_return (0, "parse error: '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ kp_garbage_collection();
+
+ if ((ret = kp_conf(per_cpu_sticky_buckets, flow_timeout))) {
+ error = clib_error_return (0, "kp_conf error %d", ret);
+ goto done;
+ }
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (kp_conf_command, static) =
+{
+ .path = "kube-proxy conf",
+ .short_help = "kube-proxy conf [buckets <n>] [timeout <s>]",
+ .function = kp_conf_command_fn,
+};
+
+static clib_error_t *
+kp_show_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ vlib_cli_output(vm, "%U", format_kp_main);
+ return NULL;
+}
+
+
+VLIB_CLI_COMMAND (kp_show_command, static) =
+{
+ .path = "show kube-proxy",
+ .short_help = "show kube-proxy",
+ .function = kp_show_command_fn,
+};
+
+static clib_error_t *
+kp_show_vips_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ unformat_input_t line_input;
+ kp_main_t *kpm = &kp_main;
+ kp_vip_t *vip;
+ u8 verbose = 0;
+
+ if (!unformat_user (input, unformat_line_input, &line_input))
+ return 0;
+
+ if (unformat(&line_input, "verbose"))
+ verbose = 1;
+
+ pool_foreach(vip, kpm->vips, {
+ vlib_cli_output(vm, "%U\n", verbose?format_kp_vip_detailed:format_kp_vip, vip);
+ });
+
+ unformat_free (&line_input);
+ return NULL;
+}
+
+VLIB_CLI_COMMAND (kp_show_vips_command, static) =
+{
+ .path = "show kube-proxy vips",
+ .short_help = "show kube-proxy vips [verbose]",
+ .function = kp_show_vips_command_fn,
+};
+
+static clib_error_t *
+kp_set_interface_nat4_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ vnet_main_t * vnm = vnet_get_main();
+ clib_error_t * error = 0;
+ u32 sw_if_index;
+ u32 * inside_sw_if_indices = 0;
+ int is_del = 0;
+ int i;
+
+ sw_if_index = ~0;
+
+ /* Get a line of input. */
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "in %U", unformat_vnet_sw_interface,
+ vnm, &sw_if_index))
+ vec_add1 (inside_sw_if_indices, sw_if_index);
+ else if (unformat (line_input, "del"))
+ is_del = 1;
+ else
+ {
+ error = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (vec_len (inside_sw_if_indices))
+ {
+ for (i = 0; i < vec_len(inside_sw_if_indices); i++)
+ {
+ sw_if_index = inside_sw_if_indices[i];
+
+ if (kp_nat4_interface_add_del (sw_if_index, is_del))
+ {
+ error = clib_error_return (0, "%s %U failed",
+ is_del ? "del" : "add",
+ format_vnet_sw_interface_name, vnm,
+ vnet_get_sw_interface (vnm,
+ sw_if_index));
+ goto done;
+ }
+ }
+ }
+
+done:
+ unformat_free (line_input);
+ vec_free (inside_sw_if_indices);
+
+ return error;
+}
+
+VLIB_CLI_COMMAND (kp_set_interface_nat4_command, static) = {
+ .path = "kube-proxy set interface nat4",
+ .function = kp_set_interface_nat4_command_fn,
+ .short_help = "kube-proxy set interface nat4 in <intfc> [del]",
+};
+