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B #3778: Fail on non-KVM host for live cpds

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(cherry picked from commit ec5c2c68a8b8c815561d00e328091ab6eb8f1aba)
This commit is contained in:
Ruben S. Montero 2021-03-11 17:21:28 +01:00
parent 050938658d
commit dd584baf82
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1 changed files with 27 additions and 0 deletions
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27
src/tm_mad/ssh/cpds
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@ -122,6 +122,33 @@ EOF
log_error "Exporting failed"
exit 1
fi
else
# if SRC is qcow2 with backing chain, convert it to tmp path
CPDS_CMD_EXPORT=$(cat <<EOF
set -e -o pipefail
if [ -L $SRC_PATH ] && file -L $SRC_PATH | grep -q 'has backing file'; then
$QEMU_IMG convert -O qcow2 $SRC_PATH $SRC_TEMP_PATH;
exit 42;
fi
EOF
)
ssh_exec_and_log_no_error $SRC_HOST "$CPDS_CMD_EXPORT" "$CPDS_CMD_ERR" "100"
RC=$?
if [ $RC = 0 ]; then
# no export needed
true
elif [ $RC = 42 ]; then
# qcow2 detected and exported, re-point SRC and other vars
SRC="${SRC_HOST}:${SRC_TEMP_PATH}"
set_src_dst_vars
# Always try delete temp export
trap "ssh_exec_and_log $SRC_HOST \"$RM ${SRC_TEMP_PATH}\"" EXIT
else
error_message "cpds: Can not convert qcow2 chain $SRC_PATH"
exit 1
fi
fi
log "Moving $SRC to datastore as $DST"