metrics: storing metrics workflow artifacts

This PR enables storing metrics workflow artifacts in two
separated flavours: clh and qemu.

Fixes: #7239

Signed-off-by: David Esparza <david.esparza.borquez@intel.com>

.github/workflows/run-metrics.yaml

@@ -42,3 +42,14 @@ jobs:
 
       - name: run blogbench test
         run:  bash tests/metrics/gha-run.sh run-test-blogbench
+
+      - name: make metrics tarball ${{ matrix.vmm }}
+        run: bash tests/metrics/gha-run.sh make-tarball-results
+          
+      - name: archive metrics results ${{ matrix.vmm }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: metrics-artifacts-${{ matrix.vmm }}
+          path: results-${{ matrix.vmm }}.tar.gz
+          retention-days: 1
+          if-no-files-found: error

tests/common.bash

@@ -240,3 +240,17 @@ restart_containerd_service() {
 	clean_env_ctr
 	return 0
 }
+
+# @path_results: path to the input metric-results folder
+# @tarball_fname: path and filename to the output tarball
+function compress_metrics_results_dir()
+{
+	local path_results="${1:-results}"
+	local tarball_fname="${2:-}"
+
+	[ -z "${tarball_fname}" ] && die "Missing the tarball filename or the path to save the tarball results is incorrect."
+	[ ! -d "${path_results}" ] && die "Missing path to the results folder."
+
+	cd "${path_results}" && tar -czf "${tarball_fname}" *.json && cd -
+	info "tarball generated: ${tarball_fname}"
+}

tests/metrics/gha-run.sh

@@ -12,6 +12,7 @@ set -o pipefail
 kata_tarball_dir="${2:-kata-artifacts}"
 metrics_dir="$(dirname "$(readlink -f "$0")")"
 source "${metrics_dir}/../common.bash"
+source "${metrics_dir}/lib/common.bash"
 
 declare -r results_dir="${metrics_dir}/results"
 declare -r checkmetrics_dir="${metrics_dir}/cmd/checkmetrics"
@@ -104,6 +105,10 @@ function check_metrics() {
 	fi
 }
 
+function make_tarball_results() {
+	compress_metrics_results_dir "${metrics_dir}/results" "${GITHUB_WORKSPACE}/results-${KATA_HYPERVISOR}.tar.gz"
+}
+
 function run_test_launchtimes() {
 	info "Running Launch Time test using ${KATA_HYPERVISOR} hypervisor"
 
@@ -144,6 +149,7 @@ function main() {
 	action="${1:-}"
 	case "${action}" in
 		install-kata) install_kata ;;
+		make-tarball-results) make_tarball_results ;;
 		run-test-launchtimes) run_test_launchtimes ;;
 		run-test-memory-usage) run_test_memory_usage ;;
 		run-test-memory-usage-inside-container) run_test_memory_usage_inside_container ;;