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671d9af456
This PR improves the variable definition in memory inside the container script for metrics. This change declares and assigns the variables separately to avoid masking return values. Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>
139 lines
4.1 KiB
Bash
Executable File
139 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2017-2023 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Description of the test:
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# This test launches a busybox container and inside
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# memory free, memory available and total memory
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# is measured by using /proc/meminfo.
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set -e
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# General env
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SCRIPT_PATH=$(dirname "$(readlink -f "$0")")
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source "${SCRIPT_PATH}/../lib/common.bash"
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TEST_NAME="memory footprint inside container"
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VERSIONS_FILE="${SCRIPT_PATH}/../../versions.yaml"
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IMAGE='quay.io/prometheus/busybox:latest'
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CMD="sleep 10; cat /proc/meminfo"
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# We specify here in 'k', as that then matches the results we get from the meminfo,
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# which makes later direct comparison easier.
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MEMSIZE="${MEMSIZE:-$((2048*1024))}"
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# this variable determines the number of attempts when a test
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# result is considered not valid (a zero value or a negative value)
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MAX_FAILED_ATTEMPTS=3
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memtotalAvg=0
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units_memtotal=""
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memfreeAvg=0
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units_memfree=""
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memavailableAvg=0
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units_memavailable=""
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# count_iters: is the index of the current iteration
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count_iters=0
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# valid_result: if value stored is '1' the result is valid, '0' otherwise
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valid_result=0
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function parse_results() {
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local raw_results="${1}"
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# Variables used for sum cummulative values in the case of two or more reps.
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# and used to compute average results for 'json' output format.
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local memtotal_acu="${2:-0}"
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local memfree_acu="${3:-0}"
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local memavailable_acu="${4:-0}"
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local memtotal
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memtotal=$(echo "${raw_results}" | awk '/MemTotal/ {print $2}')
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units_memtotal=$(echo "${raw_results}" | awk '/MemTotal/ {print $3}')
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local memfree
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memfree=$(echo "${raw_results}" | awk '/MemFree/ {print $2}')
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units_memfree=$(echo "${raw_results}" | awk '/MemFree/ {print $3}')
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local memavailable
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memavailable=$(echo "${raw_results}" | awk '/MemAvailable/ {print $2}')
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units_memavailable=$(echo "${raw_results}" | awk '/MemAvailable/ {print $3}')
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# check results: if any result is zero or negative, it is considered as invalid, and the test will be repeated.
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if (( $(echo "${memtotal} <= 0" | bc -l) )) || (( $(echo "${memfree} <= 0" | bc -l) )) || (( $(echo "${memavailable} <= 0" | bc -l) )); then
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MAX_FAILED_ATTEMPTS=$((MAX_FAILED_ATTEMPTS-1))
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valid_result=0
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info "Skipping invalid result: memtotal: ${memtotal} memfree: ${memfree} memavailable: ${memavailable}"
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return 0
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fi
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memtotalAvg=$((memtotal+memtotal_acu))
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memfreeAvg=$((memfree+memfree_acu))
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memavailableAvg=$((memavailable+memavailable_acu))
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valid_result=1
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info "Iteration# ${count_iters} memtotal: ${memtotal} memfree: ${memfree} memavailable: ${memavailable}"
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}
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function store_results_json() {
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metrics_json_start_array
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memtotalAvg=$(echo "scale=2; ${memtotalAvg} / ${count_iters}" | bc)
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memfreeAvg=$(echo "scale=2; ${memfreeAvg} / ${count_iters}" | bc)
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memavailableAvg=$(echo "scale=2; ${memavailableAvg} / ${count_iters}" | bc)
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local json="$(cat << EOF
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{
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"memrequest": {
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"Result" : ${MEMSIZE},
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"Units" : "Kb"
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},
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"memtotal": {
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"Result" : ${memtotalAvg},
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"Units" : "${units_memtotal}"
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},
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"memfree": {
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"Result" : ${memfreeAvg},
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"Units" : "${units_memfree}"
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},
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"memavailable": {
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"Result" : ${memavailableAvg},
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"Units" : "${units_memavailable}"
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},
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"repetitions": {
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"Result" : ${count_iters}
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}
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}
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EOF
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)"
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metrics_json_add_array_element "$json"
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metrics_json_end_array "Results"
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metrics_json_save
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}
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function main() {
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# switch to select output format
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local num_iterations=${1:-1}
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info "Iterations: ${num_iterations}"
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# Check tools/commands dependencies
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cmds=("awk" "ctr")
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init_env
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check_cmds "${cmds[@]}"
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check_images "${IMAGE}"
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metrics_json_init
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while [ "${count_iters}" -lt "${num_iterations}" ]; do
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local output
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output=$(sudo -E "${CTR_EXE}" run --memory-limit $((MEMSIZE*1024)) --rm --runtime="${CTR_RUNTIME}" "${IMAGE}" busybox sh -c "${CMD}" 2>&1)
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parse_results "${output}" "${memtotalAvg}" "${memfreeAvg}" "${memavailableAvg}"
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# quit if number of attempts exceeds the allowed value.
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[ "${MAX_FAILED_ATTEMPTS}" -eq 0 ] && die "Max number of attempts exceeded."
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[ "${valid_result}" -eq 1 ] && count_iters=$((count_iters+1))
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done
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store_results_json
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clean_env_ctr
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}
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# Parameters
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# @1: num_iterations {integer}
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main "$@"
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