metrics: Add stability test for kata CI

This PR adds the stability test for kata containers repository.

Fixes #8084

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

tests/stability/scability_test.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+#
+# Copyright (c) 2023 Intel Corporation
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -o pipefail
+
+# General env
+SCRIPT_PATH=$(dirname "$(readlink -f "$0")")
+source "${SCRIPT_PATH}/../metrics/lib/common.bash"
+
+NUM_CONTAINERS="$1"
+TIMEOUT_LAUNCH="$2"
+PAYLOAD_ARGS="${PAYLOAD_ARGS:-tail -f /dev/null}"
+IMAGE="${IMAGE:-quay.io/prometheus/busybox:latest}"
+
+# Show help about this script
+help(){
+cat << EOF
+Usage: $0 <count> <timeout>
+	Description:
+		This script launches n number of containers.
+	Options:
+		<count> : Number of containers to run.
+		<timeout>: Timeout to launch the containers.
+EOF
+}
+
+function main() {
+	# Verify enough arguments
+	if [ $# != 2 ]; then
+		echo >&2 "error: Not enough arguments [$@]"
+		help
+		exit 1
+	fi
+
+	local i=0
+	local containers=()
+	local not_started_count="${NUM_CONTAINERS}"
+
+	init_env
+	check_cmds "${cmds[@]}"
+	sudo -E ctr i pull "${IMAGE}"
+
+	info "Creating ${NUM_CONTAINERS} containers"
+
+	for ((i=1; i<= "${NUM_CONTAINERS}"; i++)); do
+		containers+=($(random_name))
+		sudo -E ctr run -d --runtime "${CTR_RUNTIME}" "${IMAGE}" "${containers[-1]}" sh -c "${PAYLOAD_ARGS}"
+		((not_started_count--))
+		info "$not_started_count remaining containers"
+	done
+
+	# Check that the requested number of containers are running
+	check_containers_are_up & pid=$!
+	(sleep "${TIMEOUT_LAUNCH}" && kill -HUP "${pid}") 2>/dev/null & pid_tout=$!
+
+	if wait "${pid}" 2>/dev/null; then
+		pkill -HUP -P "${pid_tout}"
+		wait "${pid_tout}"
+	else
+		warn "Time out exceeded"
+		return 1
+	fi
+
+	clean_env_ctr
+}
+
+main "$@"