container-yocto-builder: add Yocto build container with systemd

Multi-layer OCI container image that can compile the Yocto Project.
Three layers: systemd-base, build-tools, yocto-extras. Features
CROPS-style dynamic user creation matching /workdir volume owner
UID/GID.

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

1 files changed, 23 insertions, 0 deletions

diff --git a/recipes-extended/builder-container-config/builder-container-config_1.0.bb b/recipes-extended/builder-container-config/builder-container-config_1.0.bb
new file mode 100644
index 00000000..6b023caa
--- /dev/null
+++ b/recipes-extended/builder-container-config/builder-container-config_1.0.bb
@@ -0,0 +1,23 @@
+SUMMARY = "Entrypoint and user configuration for Yocto builder container"
+DESCRIPTION = "CROPS-style entrypoint script that creates a builder user \
+    matching the /workdir mount owner, then hands off to systemd."
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+SRC_URI = "file://builder-entry.sh"
+
+S = "${UNPACKDIR}"
+RDEPENDS:${PN} = "bash sudo shadow"
+
+inherit allarch
+
+do_install() {
+    # Entrypoint script (CROPS-style user creation -> exec /sbin/init)
+    install -d ${D}${bindir}
+    install -m 0755 ${UNPACKDIR}/builder-entry.sh ${D}${bindir}/
+
+    # Create /workdir mount point
+    install -d ${D}/workdir
+}
+
+FILES:${PN} = "${bindir}/builder-entry.sh /workdir"