blob: a50a6e8c09e0413f4a7e9780fd5970c11019ef23 (
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wait_for_parallel_job_pid() {
local -r pid="$1"; shift
local -r job_statuses_name="$1"; shift
local -n status_ref="$1"; shift
# shellcheck disable=SC2178
local -n job_statuses_ref="$job_statuses_name"
local -i wait_status=0
if [ -n "${job_statuses_ref[$pid]+x}" ]; then
# shellcheck disable=SC2034
status_ref="${job_statuses_ref[$pid]}"
unset "job_statuses_ref[$pid]"
return
fi
set +e
wait "$pid"
wait_status=$?
set -e
# shellcheck disable=SC2034
status_ref="$wait_status"
}
parallel_job_pid_is_running() {
local -r pid="$1"; shift
local running_pid
for running_pid in "$@"; do
if [ "$running_pid" = "$pid" ]; then
return 0
fi
done
return 1
}
log_parallel_job_failure() {
local -r pid="$1"; shift
local -r status="$1"; shift
local -r job_labels_name="$1"; shift
# shellcheck disable=SC2178
local -n job_labels_ref="$job_labels_name"
local label
label="${job_labels_ref[$pid]:-pid $pid}"
printf 'ERROR: parallel job failed (%s): %s\n' "$status" "$label" >&2
}
finish_parallel_job() {
local -r pid="$1"; shift
local -r status="$1"; shift
local -r job_labels_name="$1"; shift
local -n failed_target_ref="$1"; shift
# shellcheck disable=SC2178
local -n job_labels_ref="$job_labels_name"
if (( status != 0 )); then
# shellcheck disable=SC2034
failed_target_ref=1
log_parallel_job_failure "$pid" "$status" "$job_labels_name"
fi
unset "job_labels_ref[$pid]"
}
reap_finished_parallel_jobs() {
local -r job_pids_name="$1"; shift
local -r job_statuses_name="$1"; shift
local -r job_labels_name="$1"; shift
# shellcheck disable=SC2178
local -n job_pids_ref="$job_pids_name"
local -n failed_ref="$1"; shift
local -i status=0
local -a remaining_pids=()
local -a running_pids=()
local pid
mapfile -t running_pids < <(jobs -rp)
for pid in "${job_pids_ref[@]}"; do
if parallel_job_pid_is_running "$pid" "${running_pids[@]}"; then
remaining_pids+=("$pid")
continue
fi
wait_for_parallel_job_pid "$pid" "$job_statuses_name" status
finish_parallel_job "$pid" "$status" "$job_labels_name" failed_ref
done
job_pids_ref=("${remaining_pids[@]}")
}
wait_for_next_parallel_job() {
local -r job_pids_name="$1"; shift
local -r job_statuses_name="$1"; shift
local -r job_labels_name="$1"; shift
local -r failed_name="$1"; shift
# shellcheck disable=SC2178
local -n job_pids_ref="$job_pids_name"
# shellcheck disable=SC2178
local -n job_statuses_ref="$job_statuses_name"
local completed_pid=''
local -i status=0
set +e
wait -n -p completed_pid "${job_pids_ref[@]}"
status=$?
set -e
if [ -n "$completed_pid" ]; then
job_statuses_ref["$completed_pid"]="$status"
fi
reap_finished_parallel_jobs \
"$job_pids_name" \
"$job_statuses_name" \
"$job_labels_name" \
"$failed_name"
}
wait_for_parallel_job_slot() {
local -r job_pids_name="$1"; shift
local -r job_statuses_name="$1"; shift
local -r job_labels_name="$1"; shift
local -r failed_name="$1"; shift
local -r max_jobs="$1"; shift
# shellcheck disable=SC2178
local -n job_pids_ref="$job_pids_name"
while (( ${#job_pids_ref[@]} >= max_jobs )); do
wait_for_next_parallel_job \
"$job_pids_name" \
"$job_statuses_name" \
"$job_labels_name" \
"$failed_name"
done
}
wait_for_parallel_jobs() {
# shellcheck disable=SC2178
local -n job_pids_ref="$1"; shift
local -r job_statuses_name="$1"; shift
local -r job_labels_name="$1"; shift
local -n failed_ref="$1"; shift
local -i status=0
: "$failed_ref"
while (( ${#job_pids_ref[@]} > 0 )); do
wait_for_parallel_job_pid \
"${job_pids_ref[0]}" \
"$job_statuses_name" \
status
finish_parallel_job \
"${job_pids_ref[0]}" \
"$status" \
"$job_labels_name" \
failed_ref
job_pids_ref=("${job_pids_ref[@]:1}")
done
}
wait_for_image_job_slot() {
local -r image_job_pids_name="$1"; shift
local -r image_job_statuses_name="$1"; shift
local -r image_job_labels_name="$1"; shift
local -r failed_name="$1"; shift
wait_for_parallel_job_slot \
"$image_job_pids_name" \
"$image_job_statuses_name" \
"$image_job_labels_name" \
"$failed_name" \
"$IMAGE_JOBS"
}
wait_for_image_jobs() {
local -r image_job_pids_name="$1"; shift
local -r image_job_statuses_name="$1"; shift
local -r image_job_labels_name="$1"; shift
local -r failed_name="$1"; shift
wait_for_parallel_jobs \
"$image_job_pids_name" \
"$image_job_statuses_name" \
"$image_job_labels_name" \
"$failed_name"
}
wait_for_template_render_job_slot() {
local -r render_job_pids_name="$1"; shift
local -r render_job_statuses_name="$1"; shift
local -r render_job_labels_name="$1"; shift
local -r failed_name="$1"; shift
wait_for_parallel_job_slot \
"$render_job_pids_name" \
"$render_job_statuses_name" \
"$render_job_labels_name" \
"$failed_name" \
"$IMAGE_JOBS"
}
wait_for_template_render_jobs() {
local -r render_job_pids_name="$1"; shift
local -r render_job_statuses_name="$1"; shift
local -r render_job_labels_name="$1"; shift
local -r failed_name="$1"; shift
wait_for_parallel_jobs \
"$render_job_pids_name" \
"$render_job_statuses_name" \
"$render_job_labels_name" \
"$failed_name"
}
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