From b4d9261ce2aed36ae2be87c7df97654e08cf2d8c Mon Sep 17 00:00:00 2001
From: Leonardo Grasso <me@leonardograsso.com>
Date: Thu, 21 Apr 2022 17:09:32 +0200
Subject: [PATCH] build: define "falco" component

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
---
 CMakeLists.txt                 |  7 ++++++-
 rules/CMakeLists.txt           | 23 ++++++++++++++---------
 scripts/CMakeLists.txt         |  2 +-
 userspace/falco/CMakeLists.txt |  2 +-
 4 files changed, 22 insertions(+), 12 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40c7d148..eec21b91 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -102,6 +102,11 @@ set(PACKAGE_NAME "falco")
 set(DRIVER_NAME "falco")
 set(DRIVER_DEVICE_NAME "falco")
 set(DRIVERS_REPO "https://download.falco.org/driver")
+
+if(NOT DEFINED FALCO_COMPONENT_NAME)
+    set(FALCO_COMPONENT_NAME "${CMAKE_PROJECT_NAME}")
+endif()
+
 if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
   set(CMAKE_INSTALL_PREFIX
       /usr
@@ -164,7 +169,7 @@ if(NOT MINIMAL_BUILD)
 endif()
 
 # Installation
-install(FILES falco.yaml DESTINATION "${FALCO_ETC_DIR}")
+install(FILES falco.yaml DESTINATION "${FALCO_ETC_DIR}" COMPONENT "${FALCO_COMPONENT_NAME}")
 
 if(NOT MINIMAL_BUILD)
   # Coverage
diff --git a/rules/CMakeLists.txt b/rules/CMakeLists.txt
index 0e752456..e5e56203 100644
--- a/rules/CMakeLists.txt
+++ b/rules/CMakeLists.txt
@@ -26,7 +26,8 @@ if(NOT DEFINED FALCO_RULES_DEST_FILENAME)
   set(FALCO_AWS_CLOUDTRAIL_RULES_DEST_FILENAME "aws_cloudtrail_rules.yaml")
 endif()
 
-if(DEFINED FALCO_COMPONENT)
+
+if(DEFINED FALCO_COMPONENT) # Allow a slim version of Falco to be embedded in other projects, intentionally *not* installing all rulesets.
   install(
     FILES falco_rules.yaml
     COMPONENT "${FALCO_COMPONENT}"
@@ -38,32 +39,36 @@ if(DEFINED FALCO_COMPONENT)
     COMPONENT "${FALCO_COMPONENT}"
     DESTINATION "${FALCO_ETC_DIR}"
     RENAME "${FALCO_LOCAL_RULES_DEST_FILENAME}")
-# Intentionally *not* installing application_rules.yaml. Not needed when falco is embedded in other projects.
-else()
+else() # Default Falco installation
   install(
     FILES falco_rules.yaml
     DESTINATION "${FALCO_ETC_DIR}"
-    RENAME "${FALCO_RULES_DEST_FILENAME}")
+    RENAME "${FALCO_RULES_DEST_FILENAME}"
+    COMPONENT "${FALCO_COMPONENT_NAME}")
 
   install(
     FILES falco_rules.local.yaml
     DESTINATION "${FALCO_ETC_DIR}"
-    RENAME "${FALCO_LOCAL_RULES_DEST_FILENAME}")
+    RENAME "${FALCO_LOCAL_RULES_DEST_FILENAME}"
+    COMPONENT "${FALCO_COMPONENT_NAME}")
 
   install(
     FILES k8s_audit_rules.yaml
     DESTINATION "${FALCO_ETC_DIR}"
-    RENAME "${FALCO_K8S_AUDIT_RULES_DEST_FILENAME}")
+    RENAME "${FALCO_K8S_AUDIT_RULES_DEST_FILENAME}"
+    COMPONENT "${FALCO_COMPONENT_NAME}")
 
   install(
     FILES application_rules.yaml
     DESTINATION "${FALCO_ETC_DIR}/rules.available"
-    RENAME "${FALCO_APP_RULES_DEST_FILENAME}")
+    RENAME "${FALCO_APP_RULES_DEST_FILENAME}"
+    COMPONENT "${FALCO_COMPONENT_NAME}")
 
   install(
     FILES aws_cloudtrail_rules.yaml
     DESTINATION "${FALCO_ETC_DIR}"
-    RENAME "${FALCO_AWS_CLOUDTRAIL_RULES_DEST_FILENAME}")
+    RENAME "${FALCO_AWS_CLOUDTRAIL_RULES_DEST_FILENAME}"
+    COMPONENT "${FALCO_COMPONENT_NAME}")
 
-  install(DIRECTORY DESTINATION "${FALCO_ETC_DIR}/rules.d")
+  install(DIRECTORY DESTINATION "${FALCO_ETC_DIR}/rules.d" COMPONENT "${FALCO_COMPONENT_NAME}")
 endif()
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index 099a8ef4..676044ac 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -33,5 +33,5 @@ configure_file(falco-driver-loader falco-driver-loader @ONLY)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Linux")
 	install(PROGRAMS ${PROJECT_BINARY_DIR}/scripts/falco-driver-loader
-		DESTINATION ${FALCO_BIN_DIR})
+		DESTINATION ${FALCO_BIN_DIR} COMPONENT "${FALCO_COMPONENT_NAME}")
 endif()
diff --git a/userspace/falco/CMakeLists.txt b/userspace/falco/CMakeLists.txt
index e42348c6..b26c934f 100644
--- a/userspace/falco/CMakeLists.txt
+++ b/userspace/falco/CMakeLists.txt
@@ -177,4 +177,4 @@ if(MUSL_OPTIMIZED_BUILD AND CMAKE_BUILD_TYPE STREQUAL "release")
   )
 endif()
 
-install(TARGETS falco DESTINATION ${FALCO_BIN_DIR})
+install(TARGETS falco RUNTIME DESTINATION ${FALCO_BIN_DIR} COMPONENT "${FALCO_COMPONENT_NAME}")