openstack
/
ironic
Code Issues Proposed changes

Force RAX hosts to run tinyipa 

The CPU overhead of nested virtualization on rax hosts simply
is too much for Ironic's CI to justify using full size IPA images.

The failure rate is simply too high. As a result, lets use TinyIPA
images when we are not building a ramdisk to reduce that failure rate.

Change-Id: Ifa81397519833201b737cff89f61178c8835e3ca
This commit is contained in:
Julia Kreger 2020-07-22 10:48:14 -07:00
parent 67e51af6d5
commit 6dfc409133
1 changed files with 8 additions and 0 deletions
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8
devstack/lib/ironic
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@ -263,6 +263,14 @@ if [[ ! "$IRONIC_RAMDISK_TYPE" =~ $IRONIC_SUPPORTED_RAMDISK_TYPES_RE ]]; then
die $LINENO "Unrecognized IRONIC_RAMDISK_TYPE: $IRONIC_RAMDISK_TYPE. Expected 'tinyipa' or 'dib'"
fi
# Prevent a case that will likely result in a failure.
if [[ "$hostdomain" =~ "rax" ]]; then
if [[ "$IRONIC_RAMDISK_TYPE" == "dib" ]] && [[ "$IRONIC_BUILD_DEPLOY_RAMDISK" == "False" ]]; then
echo "** WARNING ** - DIB based IPA images have been defined, however we are running devstack on RAX VM. Due to virtualization constraints, we are automatically falling back to TinyIPA to ensure CI job passage."
IRONIC_RAMDISK_TYPE="tinyipa"
fi
fi
# If present, these files are used as deploy ramdisk/kernel.
# (The value must be an absolute path)
IRONIC_DEPLOY_RAMDISK=${IRONIC_DEPLOY_RAMDISK:-$TOP_DIR/files/ir-deploy-$IRONIC_DEPLOY_DRIVER.initramfs}