Introduce meta-unit-virtualization

Primary motivation for this is removing observability containers from beaglebone black because of RAM limitations. Images can now include the observability containers by adding `observability` to `IMAGE_FEATURES`.

1 files changed, 43 insertions, 0 deletions

diff --git a/meta-unit-virtualization/recipes-users/useradd/add-user-svc.bb b/meta-unit-virtualization/recipes-users/useradd/add-user-svc.bb
new file mode 100644
index 0000000..dbbc0c5
--- /dev/null
+++ b/meta-unit-virtualization/recipes-users/useradd/add-user-svc.bb
@@ -0,0 +1,43 @@
+SUMMARY = "Add service user"
+LICENSE = "MIT"
+
+EXCLUDE_FROM_WORLD = "1"
+
+inherit useradd
+inherit extrausers
+inherit enable-linger
+inherit set-xdg-env
+
+RDEPENDS:${PN}:append = " base-passwd"
+RDEPENDS:${PN}:append = " busybox"
+RDEPENDS:${PN}:append = " shadow"
+RDEPENDS:${PN}:append = " systemd"
+
+USERADD_PACKAGES = "${PN}"
+
+USER_TO_ADD_NAME ?= "svc"
+USER_TO_ADD_UID ?= "50556"
+USER_TO_ADD_PASSWORD_HASHED ?= "\$6\$1TQs7iLskyTyCjoL\$xhngcFWaPRsoaZCwLSsYXUrRcVdR19zV2vBEzrzSEVu8zbqDlfKu4HLwzsZfiqJCiWqiu9qirD4Ym12CMf7D7."
+COMMA_SEPARATED_LIST_OF_GROUPS_TO_ADD_USER_TO ?= "systemd-journal"
+
+USERADD_PARAM:${PN} = "-u ${USER_TO_ADD_UID} -d /home/${USER_TO_ADD_NAME} -s ${base_bindir}/sh -G ${COMMA_SEPARATED_LIST_OF_GROUPS_TO_ADD_USER_TO} -p '${USER_TO_ADD_PASSWORD_HASHED}' ${USER_TO_ADD_NAME}"
+
+INHIBIT_PACKAGE_DEBUG_SPLIT = "1"
+
+do_install() {
+    # Note: Use of .profile here assumes busybox shell.
+    install -D -m 0644 /dev/null ${D}/home/${USER_TO_ADD_NAME}/.profile
+
+    # User is not part of sudo group and therefore doesn't 
+    # have sbin in path, add it for access to common commands.
+    cat > ${D}/home/${USER_TO_ADD_NAME}/.profile << 'EOF'
+export PATH="${sbindir}:/sbin:$PATH"
+EOF
+}
+
+# Prior to useradd being performed on the sysroot a couple things must happen:
+#   1. Need the systemd recipe to create the systemd-journal group
+#   2. Need busybox shell present
+do_prepare_recipe_sysroot[depends] += "systemd:do_populate_sysroot busybox:do_populate_sysroot"
+
+FILES:${PN}:append = " /home/${USER_TO_ADD_NAME}/.profile"