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-rwxr-xr-xtest-tools/generate-metrics-report.sh109
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diff --git a/test-tools/generate-metrics-report.sh b/test-tools/generate-metrics-report.sh
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+#!/bin/bash
+#
+# Copyright 2023 Nordix Foundation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set -o errexit # Exit on most errors
+set -o nounset # Disallow expansion of unset variables
+set -o pipefail # Use last non-zero exit code in a pipeline
+#set -o xtrace # Uncomment for debugging
+
+function script_usage() {
+ cat <<EOF
+Usage:
+ -h|--help Displays this help
+ -u|--metrics-url=URL URL to Prometheus metrics
+ Default: http://localhost:8887/manage/prometheus
+ -o|--output=FILE Path to output file
+ Default: metrics-reports/metrics-[timestamp].tsv
+EOF
+}
+
+function parse_params() {
+ # Set parameter defaults
+ METRICS_URL="http://localhost:8887/manage/prometheus"
+ OUTFILE="metrics-reports/metrics-$(date --iso-8601=seconds).tsv"
+ TEMP_DIR="/tmp/cps-metrics"
+
+ # Parse parameters
+ local param
+ while [[ $# -gt 0 ]]; do
+ param="$1"
+ shift
+ case $param in
+ -h | --help)
+ script_usage
+ exit 0
+ ;;
+ -u | --metrics-url)
+ METRICS_URL=$1
+ shift
+ ;;
+ -o | --output)
+ OUTFILE=$1
+ shift
+ ;;
+ *)
+ echo "Invalid parameter was provided: $param" >&2
+ script_usage
+ exit 1
+ ;;
+ esac
+ done
+}
+
+function generate_report() {
+ # Create needed directories.
+ mkdir -p $TEMP_DIR "$(dirname "$OUTFILE")"
+
+ # Scrape raw metrics (suppress progress meter).
+ curl --fail --silent --show-error --output $TEMP_DIR/metrics-raw.txt "$METRICS_URL"
+
+ # Remove comments, sort by name, and separate by tabs.
+ grep --invert-match "^#" $TEMP_DIR/metrics-raw.txt | sort | sed 's/,[}]/}\t/' >$TEMP_DIR/metrics-all.txt
+
+ # Extract useful metrics.
+ grep -E "^cps_|^spring_data_" $TEMP_DIR/metrics-all.txt >$TEMP_DIR/metrics-cps.txt
+
+ # Extract into columns.
+ grep "_count" $TEMP_DIR/metrics-cps.txt | sed 's/_count//' | cut -f 1 >$TEMP_DIR/column1.txt
+ grep "_count" $TEMP_DIR/metrics-cps.txt | cut -f 2 >$TEMP_DIR/column2.txt
+ grep "_sum" $TEMP_DIR/metrics-cps.txt | cut -f 2 >$TEMP_DIR/column3.txt
+ grep "_max" $TEMP_DIR/metrics-cps.txt | cut -f 2 >$TEMP_DIR/column4.txt
+
+ # Combine columns into report.
+ paste $TEMP_DIR/column{1,2,3,4}.txt >$TEMP_DIR/report.txt
+
+ # Sort by Sum (column 3), descending.
+ sort --general-numeric-sort --reverse --field-separator=$'\t' --key=3 $TEMP_DIR/report.txt >$TEMP_DIR/report-sorted.txt
+
+ # Compile final report, with column headers.
+ echo -e "Method\tCount\tSum\tMax" >"$OUTFILE"
+ cat $TEMP_DIR/report-sorted.txt >>"$OUTFILE"
+
+ # Output path to generated file
+ echo "$OUTFILE"
+}
+
+function cleanup() {
+ rm -f $TEMP_DIR/* && rmdir $TEMP_DIR 2>/dev/null
+}
+# Set up the cleanup function to be triggered upon script exit
+trap cleanup EXIT
+
+# Main script logic
+parse_params "$@"
+generate_report
+exit 0