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Signed-off-by: Andrea Terzolo <[email protected]>
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| // SPDX-License-Identifier: Apache-2.0 | ||
| /* | ||
| Copyright (C) 2023 The Falco Authors. | ||
| 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 "AS IS" BASIS, | ||
| 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 <test/helpers/threads_helpers.h> | ||
| TEST_F(sinsp_with_test_input, K8S_FILTER_check_fields_presence) | ||
| { | ||
| add_default_init_thread(); | ||
| open_inspector(); | ||
| auto evt = generate_random_event(); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.name")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.label.one.second.third")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.labels")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.ip")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.pod.cni.json")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.ns.name")); | ||
|
|
||
| ASSERT_TRUE(field_exists(evt, "k8s.rc.name")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rc.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rc.label.one")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rc.labels")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.svc.name")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.svc.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.svc.label.one")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.svc.labels")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.ns.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.ns.label.one")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.ns.labels")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rs.name")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rs.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rs.label.one")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.rs.labels")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.deployment.name")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.deployment.id")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.deployment.label.one")); | ||
| ASSERT_TRUE(field_exists(evt, "k8s.deployment.labels")); | ||
|
|
||
| // There are no containers in the container manager, so there shouldn't be values | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.ip")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.cni.json")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.name")); | ||
|
|
||
| // These fields will always exist but without a value, they are deprecated | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.labels")); | ||
| } | ||
|
|
||
| TEST_F(sinsp_with_test_input, K8S_FILTER_check_fields_value) | ||
| { | ||
| add_default_init_thread(); | ||
| open_inspector(); | ||
|
|
||
| uint32_t ip = 0xC0A80101; // 192.168.1.1 | ||
| std::string ip_string = "192.168.1.1"; | ||
| std::string cni_json = "cni.pod"; | ||
| std::string container_id = "fce2a82f930f"; | ||
| std::string container_name = "kind-control-plane"; | ||
| std::string pod_name = "nginx"; | ||
| std::string pod_uid = "5eaeeca9-2277-460b-a4bf-5a0783f6d49f"; | ||
| std::string pod_namespace = "default"; | ||
| std::map<std::string, std::string> labels = {{"io.x-k8s.kind.cluster", "kind"}, | ||
| {"io.x-k8s.kind.role", "control-plane"}, | ||
| {"io.kubernetes.sandbox.id", container_id}, | ||
| {"io.kubernetes.pod.name", pod_name}, | ||
| {"io.kubernetes.pod.uid", pod_uid}, | ||
| {"io.kubernetes.pod.namespace", pod_namespace}, | ||
| {"sample", "nginx"}}; | ||
|
|
||
| auto init_thread_info = m_inspector.get_thread_ref(INIT_TID).get(); | ||
| auto container_info = std::make_shared<sinsp_container_info>(); | ||
| container_info->m_id = container_id; | ||
| init_thread_info->m_container_id = container_id; | ||
| container_info->m_name = container_name; | ||
| container_info->m_type = CT_DOCKER; | ||
| container_info->m_lookup.set_status(sinsp_container_lookup::state::SUCCESSFUL); | ||
| container_info->m_labels = labels; | ||
| container_info->m_container_ip = ip; | ||
| container_info->m_pod_cniresult = cni_json; | ||
| m_inspector.m_container_manager.add_container(container_info, init_thread_info); | ||
|
|
||
| auto evt = generate_random_event(); | ||
| // basic filterchecks | ||
| ASSERT_EQ(get_field_as_string(evt, "container.id"), container_id); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.name"), container_name); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.ip"), ip_string); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.cni.json"), cni_json); | ||
|
|
||
| // k8s filterchecks, populated because our mock container is in a pod | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.name"), pod_name); | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.id"), pod_uid); | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.label.sample"), "nginx"); | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.labels"), | ||
| "io.x-k8s.kind.cluster:kind, io.x-k8s.kind.role:control-plane, sample:nginx"); | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.ip"), ip_string); | ||
| ASSERT_EQ(get_field_as_string(evt, "k8s.pod.cni.json"), cni_json); | ||
|
|
||
| // These fields will always exist but without a value, they are deprecated | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rc.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.svc.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.rs.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.deployment.labels")); | ||
| } | ||
|
|
||
| TEST_F(sinsp_with_test_input, K8S_FILTER_check_fields_value_with_no_labels) | ||
| { | ||
| add_default_init_thread(); | ||
| open_inspector(); | ||
|
|
||
| uint32_t ip = 0xC0A80101; // 192.168.1.1 | ||
| std::string ip_string = "192.168.1.1"; | ||
| std::string cni_json = "cni.pod"; | ||
| std::string container_id = "fce2a82f930f"; | ||
| std::string container_name = "kind-control-plane"; | ||
| std::string pod_name = "nginx"; | ||
| std::string pod_uid = "5eaeeca9-2277-460b-a4bf-5a0783f6d49f"; | ||
| std::string pod_namespace = "default"; | ||
| std::map<std::string, std::string> labels = {{"sample", "nginx"}}; | ||
|
|
||
| auto init_thread_info = m_inspector.get_thread_ref(INIT_TID).get(); | ||
| auto container_info = std::make_shared<sinsp_container_info>(); | ||
| container_info->m_id = container_id; | ||
| init_thread_info->m_container_id = container_id; | ||
| container_info->m_name = container_name; | ||
| container_info->m_type = CT_DOCKER; | ||
| container_info->m_lookup.set_status(sinsp_container_lookup::state::SUCCESSFUL); | ||
| container_info->m_labels = labels; | ||
| container_info->m_container_ip = ip; | ||
| container_info->m_pod_cniresult = cni_json; | ||
| m_inspector.m_container_manager.add_container(container_info, init_thread_info); | ||
|
|
||
| auto evt = generate_random_event(); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.id"), container_id); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.name"), container_name); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.ip"), ip_string); | ||
| ASSERT_EQ(get_field_as_string(evt, "container.cni.json"), cni_json); | ||
|
|
||
| // If we don't have the `io.kubernetes...` labels on the container we cannot obtain these values | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.id")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.label.one")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.labels")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.ns.name")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.ip")); | ||
| ASSERT_FALSE(field_has_value(evt, "k8s.pod.cni.json")); | ||
| } |