70 lines
2.1 KiB
BlitzBasic
70 lines
2.1 KiB
BlitzBasic
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SUMMARY = "Volatile bind mount setup and configuration for read-only-rootfs"
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DESCRIPTION = "${SUMMARY}"
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LICENSE = "MIT"
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LIC_FILES_CHKSUM = "file://../COPYING.MIT;md5=5750f3aa4ea2b00c2bf21b2b2a7b714d"
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SRC_URI = "\
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file://mount-copybind \
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file://COPYING.MIT \
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file://volatile-binds.service.in \
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"
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inherit allarch systemd distro_features_check
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REQUIRED_DISTRO_FEATURES = "systemd"
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VOLATILE_BINDS ?= "\
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/var/volatile/lib /var/lib\n\
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"
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VOLATILE_BINDS[type] = "list"
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VOLATILE_BINDS[separator] = "\n"
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def volatile_systemd_services(d):
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services = []
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for line in oe.data.typed_value("VOLATILE_BINDS", d):
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if not line:
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continue
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what, where = line.split(None, 1)
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services.append("%s.service" % what[1:].replace("/", "-"))
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return " ".join(services)
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SYSTEMD_SERVICE_${PN} = "${@volatile_systemd_services(d)}"
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FILES_${PN} += "${systemd_unitdir}/system/*.service"
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do_compile () {
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while read spec mountpoint; do
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if [ -z "$spec" ]; then
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continue
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fi
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servicefile="${spec#/}"
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servicefile="$(echo "$servicefile" | tr / -).service"
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sed -e "s#@what@#$spec#g; s#@where@#$mountpoint#g" \
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-e "s#@whatparent@#${spec%/*}#g; s#@whereparent@#${mountpoint%/*}#g" \
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volatile-binds.service.in >$servicefile
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done <<END
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${@d.getVar('VOLATILE_BINDS', True).replace("\\n", "\n")}
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END
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if [ -e var-volatile-lib.service ]; then
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# As the seed is stored under /var/lib, ensure that this service runs
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# after the volatile /var/lib is mounted.
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sed -i -e "/^Before=/s/\$/ systemd-random-seed.service/" \
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-e "/^WantedBy=/s/\$/ systemd-random-seed.service/" \
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var-volatile-lib.service
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fi
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}
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do_compile[dirs] = "${WORKDIR}"
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do_install () {
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install -d ${D}${base_sbindir}
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install -m 0755 mount-copybind ${D}${base_sbindir}/
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install -d ${D}${systemd_unitdir}/system
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for service in ${SYSTEMD_SERVICE_volatile-binds}; do
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install -m 0644 $service ${D}${systemd_unitdir}/system/
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done
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}
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do_install[dirs] = "${WORKDIR}"
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