new(test/e2e,cmake): initial support for e2e tests with container plu…

…gin.

Signed-off-by: Federico Di Pierro <[email protected]>

cmake/modules/container_plugin.cmake

@@ -0,0 +1,32 @@
+# 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.
+#
+
+set(CONTAINER_DIR "${PROJECT_BINARY_DIR}/container-prefix/src/container_plugin")
+set(CONTAINER_LIBRARY "${CONTAINER_DIR}/libcontainer.so")
+if(NOT TARGET container_plugin)
+	message(STATUS "Building container plugin in '${CONTAINER_DIR}'")
+	ExternalProject_Add(
+		container_plugin
+		PREFIX "${PROJECT_BINARY_DIR}/container-prefix"
+		GIT_REPOSITORY "https://github.com/FedeDP/container_plugin"
+		GIT_TAG "main"
+		# URL_HASH "SHA256="
+		CONFIGURE_COMMAND ""
+		BUILD_COMMAND make
+		BUILD_IN_SOURCE 1
+		BUILD_BYPRODUCTS ${CONTAINER_LIBRARY}
+		INSTALL_COMMAND ""
+	)
+endif()

test/e2e/CMakeLists.txt

@@ -10,6 +10,8 @@ endif()
 
 set(E2E_CONTEXT ${CMAKE_CURRENT_BINARY_DIR}/ctx)
 
+include(container_plugin)
+
 # When running in CI, dump the reports in /tmp/
 if(DEFINED ENV{CI})
 	set(E2E_REPORT /tmp/)
@@ -34,7 +36,8 @@ add_custom_target(
 	COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/driver/scap.ko ${E2E_CONTEXT}
 	COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_BINARY_DIR}/driver/bpf/probe.o
 			${E2E_CONTEXT}
-	DEPENDS sinsp-example driver bpf
+	COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CONTAINER_LIBRARY} ${E2E_CONTEXT}
+	DEPENDS sinsp-example driver bpf container_plugin
 )
 
 add_custom_target(
@@ -52,8 +55,9 @@ add_custom_target(
 	# Run e2e tests with the kernel module
 	COMMAND
 		docker run --rm --name sinsp-e2e-tester -e KERNEL_MODULE=/driver/scap.ko -e
-		BPF_PROBE=/driver/probe.o -v /var/run/docker.sock:/var/run/docker.sock -v
-		${E2E_REPORT}/report:/report sinsp-e2e-tester:latest
+		BPF_PROBE=/driver/probe.o -e CONTAINER_PLUGIN=/plugins/libcontainer.so -v
+		/var/run/docker.sock:/var/run/docker.sock -v ${E2E_REPORT}/report:/report
+		sinsp-e2e-tester:latest
 	DEPENDS e2e-containers
 )
 
@@ -62,7 +66,7 @@ add_custom_target(
 	COMMAND mkdir -p ${E2E_REPORT}/report
 	# Run e2e tests with the kernel module
 	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/scripts/run_tests.sh
-	DEPENDS sinsp-example driver bpf
+	DEPENDS sinsp-example driver bpf container_plugin
 )
 
 # This is a list of containers run by the e2e tests, if you add a different one please add it to the

test/e2e/containers/sinsp.Dockerfile

@@ -15,5 +15,6 @@ RUN apt-get update && \
 COPY /sinsp-example /usr/local/bin/sinsp-example
 COPY /probe.o /driver/probe.o
 COPY /scap.ko /driver/scap.ko
+COPY /libcontainer.so /plugins/libcontainer.so
 
-ENTRYPOINT [ "sinsp-example", "-j", "-a" ]
+ENTRYPOINT [ "sinsp-example", "-j", "-a", "-p", "/plugins/libcontainer.so" ]

test/e2e/scripts/run_tests.sh

@@ -9,6 +9,7 @@ E2E_DIR="${SCRIPT_DIR}/.."
 export SINSP_EXAMPLE_PATH=${BUILD_DIR}/libsinsp/examples/sinsp-example
 export KERNEL_MODULE=${BUILD_DIR}/driver/scap.ko
 export BPF_PROBE=${BUILD_DIR}/driver/bpf/probe.o
+export CONTAINER_PLUGIN=${BUILD_DIR}/container-prefix/src/container_plugin/libcontainer.so
 
 if [[ -z "${CI+x}" ]];then
     E2E_REPORT="${BUILD_DIR}"

test/e2e/tests/commons/sinspqa/sinsp.py

@@ -309,6 +309,7 @@ def container_spec(image: str = 'sinsp-example:latest', args: list = [], env: di
 
 
 def process_spec(path: str, args: list, env: dict) -> dict:
+    args.extend(['-p', os.environ.get('CONTAINER_PLUGIN')])
     return {
         'path': path,
         'args': args,