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-rw-r--r--resources/libraries/bash/entry/bootstrap_verify_perf.sh2
-rw-r--r--resources/libraries/bash/entry/per_patch_perf.sh4
-rw-r--r--resources/libraries/bash/function/common.sh36
3 files changed, 34 insertions, 8 deletions
diff --git a/resources/libraries/bash/entry/bootstrap_verify_perf.sh b/resources/libraries/bash/entry/bootstrap_verify_perf.sh
index 0b46ff1e57..b9299b1422 100644
--- a/resources/libraries/bash/entry/bootstrap_verify_perf.sh
+++ b/resources/libraries/bash/entry/bootstrap_verify_perf.sh
@@ -42,7 +42,7 @@ check_download_dir || die
activate_virtualenv || die
generate_tests || die
archive_tests || die
-reserve_testbed || die
+reserve_and_cleanup_testbed || die
ansible_hosts "calibration" || die
select_tags || die
compose_pybot_arguments || die
diff --git a/resources/libraries/bash/entry/per_patch_perf.sh b/resources/libraries/bash/entry/per_patch_perf.sh
index b5e7bb9117..195d1a70e0 100644
--- a/resources/libraries/bash/entry/per_patch_perf.sh
+++ b/resources/libraries/bash/entry/per_patch_perf.sh
@@ -56,14 +56,14 @@ select_os || die
activate_virtualenv "${VPP_DIR}" || die
generate_tests || die
archive_tests || die
-reserve_testbed || die
+reserve_and_cleanup_testbed || die
select_tags || die
compose_pybot_arguments || die
# Support for interleaved measurements is kept for future.
iterations=1 # 8
for ((iter=0; iter<iterations; iter++)); do
if ((iter)); then
- # Reserve testbed has already cleaned it once,
+ # Function reserve_and_cleanup_testbed has already cleaned it once,
# but we need to clean it explicitly on subsequent iterations.
cleanup_topo
fi
diff --git a/resources/libraries/bash/function/common.sh b/resources/libraries/bash/function/common.sh
index 810500eb6b..6d078e5a8b 100644
--- a/resources/libraries/bash/function/common.sh
+++ b/resources/libraries/bash/function/common.sh
@@ -504,29 +504,35 @@ function get_test_tag_string () {
}
-function reserve_testbed () {
+function reserve_and_cleanup_testbed () {
set -exuo pipefail
# Reserve physical testbed, perform cleanup, register trap to unreserve.
+ # When cleanup fails, remove from topologies and keep retrying
+ # until all topologies are removed.
#
# Variables read:
# - TOPOLOGIES - Array of paths to topology yaml to attempt reservation on.
# - PYTHON_SCRIPTS_DIR - Path to directory holding the reservation script.
# Variables set:
+ # - TOPOLOGIES - Array of paths to topologies, with failed cleanups removed.
# - WORKING_TOPOLOGY - Path to topology yaml file of the reserved testbed.
# Functions called:
# - die - Print to stderr and exit.
# Traps registered:
# - EXIT - Calls cancel_all for ${WORKING_TOPOLOGY}.
- while true; do
+ while [[ ${TOPOLOGIES[@]} ]]; do
for topo in "${TOPOLOGIES[@]}"; do
set +e
python "${PYTHON_SCRIPTS_DIR}/topo_reservation.py" -t "${topo}"
result="$?"
set -e
if [[ "${result}" == "0" ]]; then
+ # Trap unreservation before cleanup check,
+ # so multiple jobs showing failed cleanup improve chances
+ # of humans to notice and fix.
WORKING_TOPOLOGY="${topo}"
echo "Reserved: ${WORKING_TOPOLOGY}"
trap "untrap_and_unreserve_testbed" EXIT || {
@@ -536,9 +542,28 @@ function reserve_testbed () {
}
die "Trap attempt failed, unreserve succeeded. Aborting."
}
- cleanup_topo || {
- die "Testbed cleanup failed."
- }
+ # Cleanup check.
+ set +e
+ cleanup_topo
+ result="$?"
+ set -e
+ if [[ "${result}" == "0" ]]; then
+ break
+ fi
+ warn "Testbed cleanup failed: ${topo}"
+ untrap_and_unreserve_testbed "Fail of unreserve after cleanup."
+ # WORKING_TOPOLOGY is now empty again.
+ # Build new topology array.
+ # TOPOLOGIES=("${TOPOLOGIES[@]/$topo}")
+ # does not really work, see:
+ # https://stackoverflow.com/questions/16860877/remove-an-element-from-a-bash-array
+ new_topologies=()
+ for item in "${TOPOLOGIES[@]}"; do
+ if [[ "${item}" != "${topo}" ]]; then
+ new_topologies+=("${item}")
+ fi
+ done
+ TOPOLOGIES=("${new_topologies[@]}")
break
fi
done
@@ -555,6 +580,7 @@ function reserve_testbed () {
echo "Sleeping ${sleep_time}"
sleep "${sleep_time}" || die "Sleep failed."
done
+ die "Run out of operational testbeds!"
}