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Allow for simultaneous do_rootfs tasks with rpm

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Give each rootfs its own RPM channel to use.  This puts the RPM metadata
in a private subdirectory of $WORKDIR, rather than living in DEPLOY_DIR
where other tasks may race with it.

This allows us to reduce the time that the rpm.lock is held to only the
time needed to hardlink the RPMs, allowing the majority of the rootfs
operation to run in parallel.

Also, this fixes the smart tests by generating an index for all packages
at the time of the test, rather than using the one provided by the
rootfs process.

Original credit for the enhancement should go to Steven Walter
stevenrwalter@gmail.com.

(From OE-Core rev: a92c196449c516fe51786d429078bbb1213bb029)

Signed-off-by: Stephano Cetola <stephano.cetola@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Stephano Cetola
2016-08-10 13:03:16 -07:00
committed by Richard Purdie
parent d11e8e1109
commit 6b66e9317f
3 changed files with 54 additions and 9 deletions
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meta/classes/rootfs_rpm.bbclass
-5
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@@ -24,11 +24,6 @@ do_populate_sdk[depends] += "${RPMROOTFSDEPENDS}"
do_rootfs[recrdeptask] += "do_package_write_rpm"
do_rootfs[vardeps] += "PACKAGE_FEED_URIS"
# RPM doesn't work with multiple rootfs generation at once due to collisions in the use of files
# in ${DEPLOY_DIR_RPM}. This can be removed if package_update_index_rpm can be called concurrently
do_rootfs[lockfiles] += "${DEPLOY_DIR_RPM}/rpm.lock"
do_populate_sdk[lockfiles] += "${DEPLOY_DIR_RPM}/rpm.lock"
python () {
if d.getVar('BUILD_IMAGES_FROM_FEEDS', True):
flags = d.getVarFlag('do_rootfs', 'recrdeptask', True)