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tests: Add json script for metrics tests
This PR adds the json script which allow us to save the metrics results into a json file which will be used in the kata containers metrics. Fixes #7128 Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>
This commit is contained in:
Gabriela Cervantes
parent
7976a0ac72
commit
3cefa43e75
243
tests/metrics/lib/json.bash
Executable file
243
tests/metrics/lib/json.bash
Executable file
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#!/bin/bash
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#
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# Copyright (c) 2023 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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# Helper routines for generating JSON formatted results.
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declare -a json_result_array
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declare -a json_array_array
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JSON_TX_ONELINE="${JSON_TX_ONELINE:-}"
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JSON_URL="${JSON_URL:-}"
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# Generate a timestamp in nanoseconds since 1st Jan 1970
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timestamp_ns() {
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local t
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local s
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local n
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local ns
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t="$(date +%-s:%-N)"
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s=$(echo $t | awk -F ':' '{print $1}')
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n=$(echo $t | awk -F ':' '{print $2}')
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ns=$(( (s * 1000000000) + n ))
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echo $ns
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}
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# Generate a timestamp in milliseconds since 1st Jan 1970
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timestamp_ms() {
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echo $(($(date +%s%N)/1000000))
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}
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# Intialise the json subsystem
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metrics_json_init() {
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# Clear out any previous results
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json_result_array=()
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despaced_name="$(echo ${TEST_NAME} | sed 's/[ \/]/-/g')"
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json_filename="${RESULT_DIR}/${despaced_name}.json"
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local json="$(cat << EOF
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"@timestamp" : $(timestamp_ms)
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EOF
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)"
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if [ "$CTR_RUNTIME" == "io.containerd.kata.v2" ]; then
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metrics_json_add_fragment "$json"
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local json="$(cat << EOF
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"env" : {
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"RuntimeVersion": "$RUNTIME_VERSION",
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"RuntimeCommit": "$RUNTIME_COMMIT",
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"RuntimeConfig": "$RUNTIME_CONFIG_PATH",
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"Hypervisor": "$HYPERVISOR_PATH",
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"HypervisorVersion": "$HYPERVISOR_VERSION",
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"Shim": "$SHIM_PATH",
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"ShimVersion": "$SHIM_VERSION",
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"machinename": "$(uname -n)"
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}
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EOF
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)"
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fi
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metrics_json_add_fragment "$json"
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local json="$(cat << EOF
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"date" : {
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"ns": $(timestamp_ns),
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"Date": "$(date -u +"%Y-%m-%dT%T.%3N")"
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}
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EOF
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)"
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metrics_json_add_fragment "$json"
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local json="$(cat << EOF
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"test" : {
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"runtime": "${CTR_RUNTIME}",
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"testname": "${TEST_NAME}"
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}
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EOF
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)"
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if [ "$CTR_RUNTIME" == "io.containerd.kata.v2" ]; then
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metrics_json_add_fragment "$json"
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# Now add a runtime specific environment section if we can
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local iskata=$(is_a_kata_runtime "$RUNTIME")
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if [ "$iskata" == "1" ]; then
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local rpath="$(command -v kata-runtime)"
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local json="$(cat << EOF
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"kata-env" :
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$($rpath kata-env --json)
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EOF
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)"
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fi
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fi
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if [ "$CTR_RUNTIME" == "io.containerd.runc.v2" ]; then
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metrics_json_add_fragment "$json"
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local output=$(runc -v)
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local runcversion=$(grep version <<< "$output" | sed 's/runc version //')
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local runccommit=$(grep commit <<< "$output" | sed 's/commit: //')
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local json="$(cat << EOF
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"runc-env" :
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{
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"Version": {
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"Semver": "$runcversion",
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"Commit": "$runccommit"
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}
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}
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EOF
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)"
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fi
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metrics_json_end_of_system
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}
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# Save out the final JSON file
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metrics_json_save() {
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if [ ! -d ${RESULT_DIR} ];then
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mkdir -p ${RESULT_DIR}
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fi
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local maxelem=$(( ${#json_result_array[@]} - 1 ))
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local json="$(cat << EOF
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{
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$(for index in $(seq 0 $maxelem); do
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# After the standard system data, we then place all the test generated
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# data into its own unique named subsection.
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if (( index == system_index )); then
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echo "\"${despaced_name}\" : {"
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fi
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if (( index != maxelem )); then
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echo "${json_result_array[$index]},"
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else
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echo "${json_result_array[$index]}"
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fi
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done)
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}
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}
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EOF
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)"
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echo "$json" > $json_filename
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# If we have a JSON URL or host/socket pair set up, post the results there as well.
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# Optionally compress into a single line.
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if [[ $JSON_TX_ONELINE ]]; then
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json="$(sed 's/[\n\t]//g' <<< ${json})"
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fi
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if [[ $JSON_HOST ]]; then
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echo "socat'ing results to [$JSON_HOST:$JSON_SOCKET]"
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socat -u - TCP:${JSON_HOST}:${JSON_SOCKET} <<< ${json}
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fi
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if [[ $JSON_URL ]]; then
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echo "curl'ing results to [$JSON_URL]"
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curl -XPOST -H"Content-Type: application/json" "$JSON_URL" -d "@-" <<< ${json}
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fi
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}
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metrics_json_end_of_system() {
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system_index=$(( ${#json_result_array[@]}))
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}
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# Add a top level (complete) JSON fragment to the data
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metrics_json_add_fragment() {
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local data=$1
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# Place on end of array
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json_result_array[${#json_result_array[@]}]="$data"
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}
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# Prepare to collect up array elements
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metrics_json_start_array() {
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json_array_array=()
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}
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# Add a (complete) element to the current array
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metrics_json_add_array_element() {
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local data=$1
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# Place on end of array
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json_array_array[${#json_array_array[@]}]="$data"
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}
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# Add a fragment to the current array element
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metrics_json_add_array_fragment() {
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local data=$1
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# Place on end of array
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json_array_fragments[${#json_array_fragments[@]}]="$data"
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}
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# Turn the currently registered array fragments into an array element
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metrics_json_close_array_element() {
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local maxelem=$(( ${#json_array_fragments[@]} - 1 ))
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local json="$(cat << EOF
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{
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$(for index in $(seq 0 $maxelem); do
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if (( index != maxelem )); then
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echo "${json_array_fragments[$index]},"
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else
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echo "${json_array_fragments[$index]}"
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fi
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done)
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}
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EOF
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)"
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# And save that to the top level
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metrics_json_add_array_element "$json"
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# Reset the array fragment array ready for a new one
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json_array_fragments=()
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}
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# Close the current array
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metrics_json_end_array() {
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local name=$1
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local maxelem=$(( ${#json_array_array[@]} - 1 ))
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local json="$(cat << EOF
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"$name": [
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$(for index in $(seq 0 $maxelem); do
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if (( index != maxelem )); then
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echo "${json_array_array[$index]},"
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else
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echo "${json_array_array[$index]}"
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fi
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done)
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]
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EOF
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)"
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# And save that to the top level
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metrics_json_add_fragment "$json"
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}
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