build: Dynamically find all go modules in project

Author: ecpullen

twoliter/embedded/Makefile.toml

@@ -97,7 +97,8 @@ BUILDSYS_JOBS = "8"
 CARGO_HOME = "${BUILDSYS_ROOT_DIR}/.cargo"
 # This needs to end with pkg/mod so that we can mount the parent of pkg/mod as GOPATH.
 GO_MOD_CACHE = "${BUILDSYS_ROOT_DIR}/.gomodcache/pkg/mod"
-GO_MODULES = "ecs-gpu-init host-ctr"
+# Dynamically load a list of go modules from ${BUILDSYS_SOURCE_DIR}
+GO_MODULES = { script = ['find ${BUILDSYS_SOURCES_DIR} -name go.mod -type f -printf "%h\n" | xargs -n1 basename'] }
 DOCKER_BUILDKIT = "1"
 
 # This is the filename suffix for operations that write out AMI information to