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author | Patrick Williams <patrick@stwcx.xyz> | 2021-08-16 22:03:13 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2021-08-17 03:53:26 +0300 |
commit | 0ca19ccf045e022d8a24d26afbf346ab7f2f519f (patch) | |
tree | 2732b2bd7700fba730c034a547a2e0751696f2ce /poky/meta/classes/overlayfs.bbclass | |
parent | 23ca3ffa9de533fecc0fcd48fea85e365c323370 (diff) | |
download | openbmc-0ca19ccf045e022d8a24d26afbf346ab7f2f519f.tar.xz |
subtree updates
poky: 492205ea83..94dfcaff64:
Alejandro Hernandez Samaniego (1):
baremetal-helloworld: Enable RISC-V 32 port
Alexandre Belloni (1):
oeqa/runtime/cases: make date.DateTest.test_date more reliable
Anton Blanchard (3):
libjpeg-turbo: Handle powerpc64le without Altivec
kmod: use nonarch_base_libdir for depmod.d and modprobe.d
pixman: Handle PowerPC without Altivec
Changqing Li (1):
libconvert-asn1-perl: 0.27 -> 0.31
Chen Qi (4):
convert-overrides.py: also convert comments without a leading whitespace
meta: use new override syntax in comments
multilib.bbclass: fix new override syntax for virtclass-multilib
util-linux: add back manpages related settings
Daniel Gomez (1):
docs: fix typo in releases
Dmitry Baryshkov (1):
linux-firmware: add more Qualcomm firmware packages
Dragos-Marian Panait (1):
util-linux: fix CVE-2021-37600
Joe Slater (1):
terminal.bbclass: force bash for devshell
Jon Mason (1):
tune-cortexm*: add support for all Arm Cortex-M processors
Jose Quaresma (1):
sstate.bbclass: fix error handling when sstate mirrors is ro
Joshua Watt (2):
classes/cve-check: Move get_patches_cves to library
lib/packagedata: Fix for new overrides
Khem Raj (4):
glibc: Upgrade to 2.34 release
glibc: Remove obsolete --enable-stackguard-randomization
glibc: Drop DUMMY_LOCALE_T define patch
glibc: Add missing symlinks for libpthread and librt dev files
Michael Halstead (1):
releases: update to include 3.1.10
Michael Opdenacker (12):
manuals: mention license information in footer
manuals: further documentation for cve-check
cve-check: remove deprecated CVE_CHECK_CVE_WHITELIST
bsp-guide: overrides syntax updates
dev-manual: overrides syntax updates
kernel-dev manual: overrides syntax updates
ref-manual: overrides syntax updates
sdk-manual: overrides syntax updates
test-manual: overrides syntax updates
sdk-manual: reference obsolete reference to ADT
Manuals: replace "file name" by "filename"
dev-manual: fix grammar in post-install script explanations
Nisha Parrakat (1):
dbus_%.bbappend: stop using selinux_set_mapping
Olaf Mandel (1):
kickstart: document which options accept units
Patrick Williams (3):
pixman: re-disable iwmmxt
systemd: add zstd PACKAGECONFIG
systemd: set zstd as default PACKAGECONFIG
Paul Barker (2):
u-boot: Package extlinux.conf separately
pypi: Allow override of PyPI archive name
Quentin Schulz (3):
insane.bbclass: fix new override syntax migration
docs: fix new override syntax migration
docs: overview-manual: concepts: remove long-gone BBHASHDEPS variable
Richard Purdie (6):
test-manual: Add extra detail to YP Compatible section
migration-3.4: Add extra notes to override syntax changes
ruby: Fix DEBUG_PREFIX_MAP in LDFLAGS issue
gettext: Fix reproducibility issue with LDFLAGS
curl: Fix reproducibility issue with LDFLAGS
libtool: Fix lto option passing for reproducible builds
Ross Burton (11):
e2fsprogs: ensure small images have 256-byte inodes
wic: don't forcibly pass -T default
parted: drop unneeded ld-is-gold patch
parted: update patch status
buildtools-tarball: add testsdk task
oeqa/sdk: add some buildtools tests
bitbake: utils: add environment updating context manager
bitbake: fetch2: expose environment variable names that need to be exported
bitbake: fetch2/wget: ensure all variables are set when calling urllib
bitbake: fetch2/wget: fetch securely by default
tar: ignore node-tar CVEs
Thomas Perrot (2):
kernel-fitimage: images should not be signed with the same keys as the configurations
oeqa/selftest/fitimage: update tests to use two keys
Tim Orling (3):
python3-scons{-native}: upgrade 4.1.0 -> 4.2.0
perl: do_create_rdepends_inc override syntax
package.bbclass: FILER* override syntax
Tom Rini (2):
common-tasks: Add a summary to the end of the bbappend example
manuals: Rename the "Using .bbappend Files in Your Layer" section
Tony Battersby (2):
bitbake.conf: add DEBUG_PREFIX_MAP to TARGET_LDFLAGS
ruby: Fix reproducibility issue with LDFLAGS
Tony Tascioglu (1):
valgrind: skip broken ptests for glibc 2.34
Vyacheslav Yurkov (7):
lib/oe: add generic functions for overlayfs
overlayfs.bbclass: generate overlayfs mount units
rootfs-postcommands: add QA check for overlayfs
systemd-machine-units: add bbappend for meta-selftest
overlayfs: meta-selftest recipe
oeqa/selftest: overlayfs unit tests
MAINTAINERS: add overlayfs maintainer
Yi Zhao (3):
dbus: add PACKAGECONFIG for audit and selinux
glib-2.0: add PACKAGECONFIG for selinux
shadow: add PACKAGECONFIG for audit and selinux
hongxu (1):
sdk: fix relocate symlink failed
wangmy (1):
ell: upgrade 0.41 -> 0.42
meta-raspberrypi: c7f4c739a3..32921fc9bd:
Omer Akram (1):
linux-firmware-rpidistro: fix wifi driver loading on cm4
Otavio Salvador (1):
rpi-config: Allow setting hdmi_cvt
meta-openembedded: 3cf2475ea0..a13db91f19:
Changqing Li (1):
ndpi: fix CVE-2021-36082
Chen Qi (1):
Convert to new override syntax using latest convert-overrides.py script
Dmitry Baryshkov (1):
image_types_sparse: fix sparse image generation
Geoff Parker (1):
cifs-utils: typo fix fakse --> false
Kai Kang (2):
libdbi-perl: fix CVE-2014-10402
python3-m2crypto: fix for new overrides syntax
Khem Raj (1):
packagegroup-meta-oe: Add ttf-ipa
Leon Anavi (15):
python3-astroid: Upgrade 2.6.5 -> 2.6.6
python3-gast: Upgrade 0.5.1 -> 0.5.2
python3-greenlet: Upgrade 1.1.0 -> 1.1.1
python3-bitarray: Upgrade 2.2.3 -> 2.2.5
python3-send2trash: Upgrade 1.7.1 -> 1.8.0
python3-zeroconf: Upgrade 0.33.2 -> 0.34.3
python3-aiohue: Upgrade 2.5.1 -> 2.6.1
python3-configargparse: Upgrade 1.5.1 -> 1.5.2
python3-pycurl: Upgrade 7.43.0.6 -> 7.44.0
python3-distro: Upgrade 1.5.0 -> 1.6.0
python3-google-api-core: Upgrade 1.30.0 -> 1.31.1
python3-google-auth: Upgrade 1.32.0 -> 1.34.0
python3-google-api-python-client: Upgrade 2.12.0 -> 2.15.0
python3-huey: Upgrade 2.3.2 -> 2.4.0
python3-apply-defaults: Upgrade 0.1.4 -> 0.1.6
Martin Jansa (1):
python3-grpcio: make sure that GRPC_CFLAGS is expanded to empty
Michael Opdenacker (3):
vorbis-tools: update to 1.4.2 (latest in 1.4.x series)
bigbuckbunny-1080p: fix sample video URL
opus-tools: update to 0.2, move to meta-multimedia and fix license
Mingli Yu (3):
jemalloc: fix the race during do_install
jemalloc: add ptest support
jemalloc: improve the ptest output
Naveen Saini (1):
python3-defusedxml: extend recipe to add native support
Philippe Coval (1):
mycroft: Install more tools needed by scripts
Tony Battersby (3):
curlpp: fix QA Issue after LDFLAGS change
ldns: fix QA Issue after LDFLAGS change
tcsh: fix compile error after LDFLAGS change
Yi Zhao (5):
audit: upgrade 3.0.3 -> 3.0.4
augeas: rename PACKAGECONFIG[libselinux] to PACKAGECONFIG[selinux]
network-manager-applet: add selinux to PACKAGECONFIG if enable selinux distro feature
networkmanager: add PACKAGECONFIG for audit and selinux
augeas: add selinux to PACKAGECONFIG if enable selinux distro feature
leimaohui (1):
ttf-ipa: Added a new font.
wangmy (1):
iwd: upgrade 1.15 -> 1.16
zangrc (1):
python3-humanize: upgrade 3.10.0 -> 3.11.0
zhengruoqin (3):
python3-engineio: upgrade 4.2.0 -> 4.2.1
python3-ipython: upgrade 7.25.0 -> 7.26.0
python3-isort: upgrade 5.9.2 -> 5.9.3
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I7a8bd19709f465db51254ed3fcaf2486fe64dcaf
Diffstat (limited to 'poky/meta/classes/overlayfs.bbclass')
-rw-r--r-- | poky/meta/classes/overlayfs.bbclass | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/poky/meta/classes/overlayfs.bbclass b/poky/meta/classes/overlayfs.bbclass new file mode 100644 index 0000000000..8d9b59c9bf --- /dev/null +++ b/poky/meta/classes/overlayfs.bbclass @@ -0,0 +1,111 @@ +# Class for generation of overlayfs mount units +# +# It's often desired in Embedded System design to have a read-only rootfs. +# But a lot of different applications might want to have a read-write access to +# some parts of a filesystem. It can be especially useful when your update mechanism +# overwrites the whole rootfs, but you want your application data to be preserved +# between updates. This class provides a way to achieve that by means +# of overlayfs and at the same time keeping the base rootfs read-only. +# +# Usage example. +# +# Set a mount point for a partition overlayfs is going to use as upper layer +# in your machine configuration. Underlying file system can be anything that +# is supported by overlayfs. This has to be done in your machine configuration. +# QA check fails to catch file existence if you redefine this variable in your recipe! +# +# OVERLAYFS_MOUNT_POINT[data] ?= "/data" +# +# The class assumes you have a data.mount systemd unit defined in your +# systemd-machine-units recipe and installed to the image. +# +# Then you can specify writable directories on a recipe base +# +# OVERLAYFS_WRITABLE_PATHS[data] = "/usr/share/my-custom-application" +# +# To support several mount points you can use a different variable flag. Assume we +# want to have a writable location on the file system, but not interested where the data +# survive a reboot. Then we could have a mnt-overlay.mount unit for a tmpfs file system: +# +# OVERLAYFS_MOUNT_POINT[mnt-overlay] = "/mnt/overlay" +# OVERLAYFS_WRITABLE_PATHS[mnt-overlay] = "/usr/share/another-application" +# +# Note: the class does not support /etc directory itself, because systemd depends on it + +REQUIRED_DISTRO_FEATURES += "systemd overlayfs" + +inherit systemd features_check + +python do_create_overlayfs_units() { + CreateDirsUnitTemplate = """[Unit] +Description=Overlayfs directories setup +Requires={DATA_MOUNT_UNIT} +After={DATA_MOUNT_UNIT} +DefaultDependencies=no + +[Service] +Type=oneshot +ExecStart=mkdir -p {DATA_MOUNT_POINT}/workdir{LOWERDIR} && mkdir -p {DATA_MOUNT_POINT}/upper{LOWERDIR} +RemainAfterExit=true +StandardOutput=journal + +[Install] +WantedBy=multi-user.target +""" + MountUnitTemplate = """[Unit] +Description=Overlayfs mount unit +Requires={CREATE_DIRS_SERVICE} +After={CREATE_DIRS_SERVICE} + +[Mount] +What=overlay +Where={LOWERDIR} +Type=overlay +Options=lowerdir={LOWERDIR},upperdir={DATA_MOUNT_POINT}/upper{LOWERDIR},workdir={DATA_MOUNT_POINT}/workdir{LOWERDIR} + +[Install] +WantedBy=multi-user.target +""" + + def prepareUnits(data, lower): + from oe.overlayfs import mountUnitName, helperUnitName + + args = { + 'DATA_MOUNT_POINT': data, + 'DATA_MOUNT_UNIT': mountUnitName(data), + 'CREATE_DIRS_SERVICE': helperUnitName(lower), + 'LOWERDIR': lower, + } + + with open(os.path.join(d.getVar('WORKDIR'), mountUnitName(lower)), 'w') as f: + f.write(MountUnitTemplate.format(**args)) + + with open(os.path.join(d.getVar('WORKDIR'), helperUnitName(lower)), 'w') as f: + f.write(CreateDirsUnitTemplate.format(**args)) + + overlayMountPoints = d.getVarFlags("OVERLAYFS_MOUNT_POINT") + for mountPoint in overlayMountPoints: + for lower in d.getVarFlag('OVERLAYFS_WRITABLE_PATHS', mountPoint).split(): + prepareUnits(d.getVarFlag('OVERLAYFS_MOUNT_POINT', mountPoint), lower) +} + +# we need to generate file names early during parsing stage +python () { + from oe.overlayfs import strForBash, unitFileList + + unitList = unitFileList(d) + for unit in unitList: + d.appendVar('SYSTEMD_SERVICE:' + d.getVar('PN'), ' ' + unit); + d.appendVar('FILES:' + d.getVar('PN'), ' ' + strForBash(unit)) + + d.setVar('OVERLAYFS_UNIT_LIST', ' '.join([strForBash(s) for s in unitList])) +} + +do_install:append() { + install -d ${D}${systemd_system_unitdir} + for unit in ${OVERLAYFS_UNIT_LIST}; do + install -m 0444 ${WORKDIR}/${unit} ${D}${systemd_system_unitdir} + done +} + +addtask create_overlayfs_units before do_install |