Building support for an A/B partition scheme-based update (RAUC) for Uptane Client

CMakeLists.txt

@@ -22,6 +22,7 @@ option(WARNING_AS_ERROR "Treat warnings as errors" ON)
 option(PEDANTIC_WARNINGS "Compile with pedantic warnings" OFF)
 option(BUILD_WITH_CODE_COVERAGE "Enable gcov code coverage" OFF)
 option(BUILD_OSTREE "Set to ON to compile with OSTree support" OFF)
+option(BUILD_RAUC "Set to ON to compile with RAUC support" ON)
 option(BUILD_DEB "Set to ON to compile with debian packages support" OFF)
 option(BUILD_P11 "Support for key storage in a HSM via PKCS#11" OFF)
 option(BUILD_SOTA_TOOLS "Set to ON to build SOTA tools" OFF)
@@ -109,6 +110,11 @@ else(BUILD_OSTREE)
     endif(NOT BUILD_SOTA_TOOLS)
 endif(BUILD_OSTREE)
 
+if(BUILD_RAUC)
+    find_package(sdbus-c++ REQUIRED)
+    add_definitions(-DBUILD_RAUC)
+endif(BUILD_RAUC)
+
 if(BUILD_P11)
     find_package(LibP11 REQUIRED)
     add_definitions(-DBUILD_P11)
@@ -319,6 +325,7 @@ include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/third_party/googletest/googlete
 include_directories(SYSTEM ${JSONCPP_INCLUDE_DIRS})
 include_directories(SYSTEM ${Boost_INCLUDE_DIR})
 include_directories(SYSTEM ${LIBOSTREE_INCLUDE_DIRS})
+include_directories(SYSTEM ${LIBRAUC_INCLUDE_DIRS})
 include_directories(SYSTEM ${SQLITE3_INCLUDE_DIRS})
 include_directories(SYSTEM ${LIBP11_INCLUDE_DIR})
 include_directories(SYSTEM ${sodium_INCLUDE_DIR})
@@ -365,6 +372,7 @@ set (AKTUALIZR_EXTERNAL_LIBS
     Threads::Threads
     ${sodium_LIBRARY_RELEASE}
     ${LIBOSTREE_LIBRARIES}
+    SDBusCpp::sdbus-c++
     ${SQLITE3_LIBRARIES}
     ${LibArchive_LIBRARIES}
     ${LIBP11_LIBRARIES}

include/libaktualizr/config.h

@@ -80,9 +80,12 @@ struct UptaneConfig {
 // TODO: move these to their corresponding headers
 #define PACKAGE_MANAGER_NONE "none"
 #define PACKAGE_MANAGER_OSTREE "ostree"
+#define PACKAGE_MANAGER_RAUC "rauc"
 
 #ifdef BUILD_OSTREE
 #define PACKAGE_MANAGER_DEFAULT PACKAGE_MANAGER_OSTREE
+#elif BUILD_RAUC
+#define PACKAGE_MANAGER_DEFAULT PACKAGE_MANAGER_RAUC
 #else
 #define PACKAGE_MANAGER_DEFAULT PACKAGE_MANAGER_NONE
 #endif

include/libaktualizr/types.h

@@ -435,6 +435,7 @@ class Target {
    * root commit object.
    */
   bool IsOstree() const;
+  bool IsRauc() const;
   std::string type() const { return type_; }
 
   // Comparison is usually not meaningful. Use MatchTarget instead.

src/libaktualizr/package_manager/CMakeLists.txt

@@ -25,6 +25,21 @@ if(BUILD_OSTREE)
                        ARGS ${PROJECT_BINARY_DIR}/ostree_repo)
 endif(BUILD_OSTREE)
 
+# RAUC backend
+if(BUILD_RAUC)
+    target_sources(package_manager PRIVATE raucmanager.cc)
+    target_include_directories(package_manager PUBLIC ${LIBRAUC_INCLUDE_DIRS})
+    set_target_properties(package_manager PROPERTIES
+                      CXX_STANDARD 17
+                      CXX_EXTENSIONS off)
+    target_link_libraries(package_manager PUBLIC SDBusCpp::sdbus-c++)
+
+    add_aktualizr_test(NAME raucmanager SOURCES raucmanager_test.cc PROJECT_WORKING_DIRECTORY)
+    set_target_properties(t_raucmanager PROPERTIES
+                      CXX_STANDARD 17
+                      CXX_EXTENSIONS off)
+endif(BUILD_RAUC)
+
 add_aktualizr_test(NAME packagemanagerconfig SOURCES packagemanagerconfig_test.cc NO_VALGRIND)
 add_aktualizr_test(NAME packagemanager_factory SOURCES packagemanagerfactory_test.cc
                    ARGS ${PROJECT_BINARY_DIR}/ostree_repo)
@@ -38,4 +53,7 @@ aktualizr_source_file_checks(fetcher_death_test.cc
                              packagemanagerfactory_test.cc
                              ostreemanager_test.cc
                              ostreemanager.cc
-                             ostreemanager.h)
+                             ostreemanager.h
+                             raucmanager_test.cc
+                             raucmanager.cc
+                             raucmanager.h)