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rootfs: add option to allow delayed postinsts on read-only rootfs

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Example use case in OpenBMC: rootfs is squashfs and the system has either
overlayfs for whole rootfs or for some parts (e.g. /etc).

This option will allow to create migration one-shot postinsts using
"pkg_postinst_ontarget_${PN}" routines defined in recipes to fix
files under upper workdir in overlayfs.

(From OE-Core rev: 0977204e16279b117811b5d5cdac5918287e95ac)

Signed-off-by: Anton D. Kachalov <rnouse@google.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Anton Kachalov
2021-01-15 16:43:23 +01:00
committed by Richard Purdie
parent e9bd99fe38
commit 49c4fdcb88
2 changed files with 4 additions and 1 deletions
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2
meta/classes/image.bbclass
View File

@@ -33,7 +33,7 @@ INHIBIT_DEFAULT_DEPS = "1"
# IMAGE_FEATURES may contain any available package group
IMAGE_FEATURES ?= ""
IMAGE_FEATURES[type] = "list"
IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs stateless-rootfs empty-root-password allow-empty-password allow-root-login post-install-logging"
IMAGE_FEATURES[validitems] += "debug-tweaks read-only-rootfs read-only-rootfs-delayed-postinsts stateless-rootfs empty-root-password allow-empty-password allow-root-login post-install-logging"
# Generate companion debugfs?
IMAGE_GEN_DEBUGFS ?= "0"

3
meta/lib/oe/rootfs.py
View File

@@ -217,6 +217,9 @@ class Rootfs(object, metaclass=ABCMeta):
self.progress_reporter.next_stage()
if bb.utils.contains("IMAGE_FEATURES", "read-only-rootfs",
True, False, self.d) and \
not bb.utils.contains("IMAGE_FEATURES",
"read-only-rootfs-delayed-postinsts",
True, False, self.d):
delayed_postinsts = self._get_delayed_postinsts()
if delayed_postinsts is not None: