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d6ae8d2004
Where recipes use S = ${WORKDIR}, change them to set UNPACKDIR to
a subdir of WORKDIR and make S point at this instead.
I've chosen not to force S into any standard UNPACKDIR we may pick in
future just so the S = UNPACKDIR case is clearly visible by the
directory naming under WORKDIR as that should aid usability.
(From OE-Core rev: d9328e3b0b062f0621de3d114584b44f384a1c02)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
85 lines
2.7 KiB
BlitzBasic
85 lines
2.7 KiB
BlitzBasic
SUMMARY = "Volatile bind mount setup and configuration for read-only-rootfs"
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DESCRIPTION = "${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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S = "${WORKDIR}/sources"
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UNPACKDIR = "${S}"
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inherit allarch systemd features_check
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REQUIRED_DISTRO_FEATURES = "systemd"
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VOLATILE_BINDS ?= "\
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${localstatedir}/volatile/lib ${localstatedir}/lib\n\
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${localstatedir}/volatile/cache ${localstatedir}/cache\n\
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${localstatedir}/volatile/spool ${localstatedir}/spool\n\
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${localstatedir}/volatile/srv /srv\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_system_unitdir}/*.service ${servicedir}"
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# Set to 1 to forcibly skip OverlayFS, and default to copy+bind
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AVOID_OVERLAYFS = "0"
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do_compile () {
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while read spec mountpoint; do
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if [ -z "$spec" ]; then
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continue
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fi
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servicefile="$(echo "${spec#/}" | tr / -).service"
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[ "$mountpoint" != ${localstatedir}/lib ] || var_lib_servicefile=$servicefile
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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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-e "s#@avoid_overlayfs@#${@d.getVar('AVOID_OVERLAYFS')}#g" \
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volatile-binds.service.in >$servicefile
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done <<END
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${@d.getVar('VOLATILE_BINDS').replace("\\n", "\n")}
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END
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if [ -e "$var_lib_servicefile" ]; 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_lib_servicefile"
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fi
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}
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do_install () {
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install -d ${D}${base_sbindir}
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install -d ${D}${servicedir}
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install -m 0755 mount-copybind ${D}${base_sbindir}/
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install -d ${D}${systemd_system_unitdir}
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for service in ${SYSTEMD_SERVICE:${PN}}; do
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install -m 0644 $service ${D}${systemd_system_unitdir}/
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done
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# Suppress attempts to process some tmpfiles that are not temporary.
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#
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install -d ${D}${sysconfdir}/tmpfiles.d ${D}${localstatedir}/cache
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ln -s /dev/null ${D}${sysconfdir}/tmpfiles.d/etc.conf
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ln -s /dev/null ${D}${sysconfdir}/tmpfiles.d/home.conf
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}
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