From 2a886f7a3d746fad27d1e260112d70c308c77f0f Mon Sep 17 00:00:00 2001
From: Federico Di Pierro <nierro92@gmail.com>
Date: Tue, 10 Jan 2023 14:00:29 +0100
Subject: [PATCH] new(cmake): added a cmake module to enforce the download and
 installation of falcoctl.

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>
---
 CMakeLists.txt               |  2 ++
 cmake/modules/falcoctl.cmake | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)
 create mode 100644 cmake/modules/falcoctl.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index af73ea6f..17bec256 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -228,5 +228,7 @@ if(NOT MUSL_OPTIMIZED_BUILD)
   include(plugins)
 endif()
 
+include(falcoctl)
+
 # Packages configuration
 include(CPackConfig)
diff --git a/cmake/modules/falcoctl.cmake b/cmake/modules/falcoctl.cmake
new file mode 100644
index 00000000..16b5591b
--- /dev/null
+++ b/cmake/modules/falcoctl.cmake
@@ -0,0 +1,36 @@
+#
+# 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(ExternalProject)
+
+string(TOLOWER ${CMAKE_HOST_SYSTEM_NAME} FALCOCTL_SYSTEM_NAME)
+
+set(FALCOCTL_VERSION "0.2.0-rc1")
+
+if(${CMAKE_HOST_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+    set(FALCOCTL_SYSTEM_PROC_GO "amd64")
+    set(FALCOCTL_HASH "82dbd20afc2a3605cb77db6ac79f8b523ffb4d8b224511531fdcf366d2ec9929")
+else() # aarch64
+    set(FALCOCTL_SYSTEM_PROC_GO "arm64")
+    set(FALCOCTL_HASH "e07e9b30e4c2ac75835068a912619db4cad288b300a5ed8c66d1f7ea367c2b96")
+endif()
+
+ExternalProject_Add(
+        falcoctl
+        URL "https://github.com/falcosecurity/falcoctl/releases/download/v${FALCOCTL_VERSION}/falcoctl_${FALCOCTL_VERSION}_${FALCOCTL_SYSTEM_NAME}_${FALCOCTL_SYSTEM_PROC_GO}.tar.gz"
+        URL_HASH "SHA256=${FALCOCTL_HASH}"
+        CONFIGURE_COMMAND ""
+        BUILD_COMMAND ""
+        INSTALL_COMMAND "")
+
+install(PROGRAMS "${PROJECT_BINARY_DIR}/falcoctl-prefix/src/falcoctl/falcoctl" DESTINATION "${FALCO_BIN_DIR}" COMPONENT "${FALCO_COMPONENT_NAME}")
\ No newline at end of file