containers/oci: introduce riddler package

riddler is useful for converting docker container to runc OCI spec json.

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>

recipes-containers/riddler/riddler_git.bb

@@ -0,0 +1,48 @@
+HOMEPAGE = "https://github.com/jfrazelle/riddler"
+SUMMARY = "Convert `docker inspect` to opencontainers (OCI compatible) runc spec."
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=20ce4c6a4f32d6ee4a68e3a7506db3f1"
+DEPENDS = "go-cross"
+
+SRC_URI = "git://github.com/jfrazelle/riddler;branch=master"
+SRCREV = "23befa0b232877b5b502b828e24161d801bd67f6"
+PV = "0.1.0+git${SRCPV}"
+
+S = "${WORKDIR}/git"
+
+inherit go-osarchmap
+
+# This disables seccomp and apparmor, which are on by default in the
+# go package. 
+EXTRA_OEMAKE="BUILDTAGS=''"
+
+do_compile() {
+	export GOARCH="${TARGET_GOARCH}"
+
+	# Setup vendor directory so that it can be used in GOPATH.
+	#
+	# Go looks in a src directory under any directory in GOPATH but riddler
+	# uses 'vendor' instead of 'vendor/src'. We can fix this with a symlink.
+	#
+	# We also need to link in the ipallocator directory as that is not under
+	# a src directory.
+	ln -sfn . "${S}/vendor/src"
+	mkdir -p "${S}/vendor/src/github.com/jessfraz/riddler"
+	ln -sfn "${S}/parse" "${S}/vendor/src/github.com/jessfraz/riddler/parse"
+	export GOPATH="${S}/vendor"
+
+	# Pass the needed cflags/ldflags so that cgo
+	# can find the needed headers files and libraries
+	export CGO_ENABLED="1"
+	export CFLAGS=""
+	export LDFLAGS=""
+	export CGO_CFLAGS="${BUILDSDK_CFLAGS} --sysroot=${STAGING_DIR_TARGET}"
+	export CGO_LDFLAGS="${BUILDSDK_LDFLAGS} --sysroot=${STAGING_DIR_TARGET}"
+
+	oe_runmake static
+}
+
+do_install() {
+	install -d ${D}/${sbindir}
+	install ${S}/riddler ${D}/${sbindir}/riddler
+}