diff options
Diffstat (limited to 'debian/tests/test-initscripts')
-rw-r--r-- | debian/tests/test-initscripts | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/debian/tests/test-initscripts b/debian/tests/test-initscripts new file mode 100644 index 00000000..1643a2ea --- /dev/null +++ b/debian/tests/test-initscripts @@ -0,0 +1,149 @@ +#!/bin/sh +set -e + +basedir=$(dirname "$0") +. "${basedir}"/check-dpdk-supported-arch.sh + +# Overall that could require up to 1.2G for hugepages in the test environment +EXPECT2MHP=10 +# Some page sizes like e.g. 1G might not be available in all test environments +# The test still configures 1 page of 1G size. +# One of two things will happen, depending on the test environment: +# - has 1G huge page size => they will tried to be allocated (usually env is +# too small, but we want to see it fail gracefully for that) +# We will not check for the 1G alloc, as we know it often fails in small adt's +# - has no 1G huge page size (HW feature) => we check if it fails gracefully +EXPECT1GHP=1 +EXPECT16MHP=2 + +DPDK_CONF="/etc/dpdk/dpdk.conf" +DPDK_INTERF="/etc/dpdk/interfaces" + +checkhp() { + MMDIR="/sys/kernel/mm/hugepages/${1}" + EXPECTHP="${2}" + if [ -d "$MMDIR" -a -r "$MMDIR/nr_hugepages" ]; then + hpcount=$(cat "$MMDIR/nr_hugepages") + if [ "${hpcount}" -ne "${EXPECTHP}" ]; then + echo "Hugepages (${hpcount}) not as expected (${EXPECTHP})" + exit 1 + else + echo "Hugepages ok (${hpcount})" + fi + fi +} + +checkstatus() { + MARK=${1} + EXPMPCOUNT=${2} + PRE=${3} + POST=${4} + EXPECTEDSTATUS=${5} + echo "Status after ${MARK}" + echo "Status of the Service" + ${PRE} status "${POST}" || true + + GOTSTATUS=$(${PRE} status "${POST}" | awk '/^ *Active: / { print $2 }') + if [ "${GOTSTATUS}" != "${EXPECTEDSTATUS}" ]; then + echo "Service status (${GOTSTATUS}) not as expected (${EXPECTEDSTATUS})" + exit 1 + else + echo "Service status (${GOTSTATUS}) as expected" + fi + + echo "Status of hugetlbfs mount points" + # this section is ok to create bad RCs when no mounts are available + set +e + grep hugetlbfs < /proc/mounts + htlbfscount=$(grep -c hugetlbfs < /proc/mounts) + set -e + + # we have to reduce the expected mountpoint count in case some sizes are + # not supported by the current kernel/environment + if [ ${EXPMPCOUNT} -gt 0 ]; then + if [ ! -d /sys/kernel/mm/hugepages/hugepages-2048kB ]; then + EXPMPCOUNT=$((EXPMPCOUNT-1)) + fi + if [ ! -d /sys/kernel/mm/hugepages/hugepages-16384kB ]; then + EXPMPCOUNT=$((EXPMPCOUNT-1)) + fi + if [ ! -d /sys/kernel/mm/hugepages/hugepages-1048576kB ]; then + EXPMPCOUNT=$((EXPMPCOUNT-1)) + fi + fi + + if [ "${htlbfscount}" -eq "${EXPMPCOUNT}" ]; then + echo "MP Count (${htlbfscount}) as expected (${EXPMPCOUNT})" + else + echo "MP Count (${htlbfscount}) not as expected (${EXPMPCOUNT})" + exit 1 + fi + + # check if setting HP worked + if [ "${EXPMPCOUNT}" -ne "0" ]; then + checkhp "hugepages-2048kB" "${EXPECT2MHP}" + checkhp "hugepages-16384kB" "${EXPECT16MHP}" + # We do not check 1G/16M alloc, as it is known to be often not available + fi +} + +resetservice() { + # help a bit with memory fragmentation regarding huge page allocation + sync + echo 3 > /proc/sys/vm/drop_caches + + # stopping and resetting Service + systemctl stop dpdk.service || /bin/true + systemctl reset-failed dpdk.service || /bin/true + + echo "Unmounting all potential hugetlbfs mounts" + awk '/hugetlbfs/ {print $2}' /proc/mounts | while read hugetlbmount; do + umount -v "$hugetlbmount" + done +} + +checkinitstyle() { + # We want to verify that + # - initially our environment has no hugetlbfs mount + # - a system without hugetlbfs mount gets it mounted + # - a restart of the service does neither drop nor duplicate the mount + PRE=${1} + POST=${2} + TYPE=${3} + printf "\n\n### Checking Type %s ###\n" "${TYPE}" + resetservice + checkstatus "${TYPE}-BEGIN" 0 "${PRE}" "${POST}" "inactive" + echo "### Starting Service ###" + ${PRE} start "${POST}" + checkstatus "${TYPE}-START" 3 "${PRE}" "${POST}" "active" + echo "### Restarting Service ###" + ${PRE} restart "${POST}" + checkstatus "${TYPE}-RESTART" 3 "${PRE}" "${POST}" "active" +} + +echo "NR_2M_PAGES=$EXPECT2MHP" >> ${DPDK_CONF} +echo "NR_1G_PAGES=$EXPECT1GHP" >> ${DPDK_CONF} +echo "NR_16M_PAGES=$EXPECT16MHP" >> ${DPDK_CONF} + +# We can't rely on any real device for DPDK tests in adt-* environments. But +# we can expect all kind of broken configuration not to break it (would be +# detected via set -e). +# So add all kind of known-to-be-broken definitions and expect it not to fail. +cat <<EOF > ${DPDK_INTERF} +# wrong bus +pTi 0000:04:00.0 uio-pci-generic +# not enough parms +0000:04:00.0 uio-pci-generic +# empty line + +# non existing device +pci 1234:56:78.9 uio-pci-generic +EOF + +# some had issues in the past caused by different init systems, so we test all +# Direct Calls +checkinitstyle "/etc/init.d/dpdk" "" "Direct" +# System V style init +checkinitstyle "service dpdk" "" "SysV" +# SystemD style init +checkinitstyle "systemctl" "dpdk.service" "SystemD" |