metrics: install kata and launch-times test

This PR installs kata static tarball on metrics runner
and run launch-times tests.

Fixes: #7049

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

.github/workflows/ci-on-push.yaml

@@ -55,4 +55,6 @@ jobs:
 
   run-metrics-tests:
     needs: build-kata-static-tarball-amd64
-    uses: ./.github/workflows/run-launchtimes-metrics.yaml
+    uses: ./.github/workflows/run-metrics.yaml
+    with:
+      tarball-suffix: -${{ github.event.pull_request.number}}-${{ github.event.pull_request.head.sha }}

.github/workflows/run-launchtimes-metrics.yaml

@@ -1,19 +0,0 @@
-name: CI | Run launch-times metrics
-on:
-  workflow_call:
-
-jobs:
-  launch-times-tests:
-    runs-on: metrics
-    env:
-      GOPATH: ${{ github.workspace }}
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-
-      - name: run launch times on qemu
-        run: bash tests/metrics/gha-run.sh run-test-launchtimes-qemu
-
-      - name: run launch times on clh
-        run:  bash tests/metrics/gha-run.sh run-test-launchtimes-clh

.github/workflows/run-metrics.yaml

@@ -0,0 +1,33 @@
+name: CI | Run test metrics
+on:
+  workflow_call:
+    inputs:
+      tarball-suffix:
+        required: false
+        type: string
+
+jobs:
+  run-metrics:
+    runs-on: metrics
+    env:
+      GOPATH: ${{ github.workspace }}
+      ARTIFACTS_DIR: kata-artifacts
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: get-kata-tarball
+        uses: actions/download-artifact@v3
+        with:
+          name: kata-static-tarball-amd64${{ inputs.tarball-suffix }}
+          path: ${{ ARTIFACTS_DIR }}
+
+      - name: Install kata
+        run: bash tests/metrics/gha-run.sh install-kata ${{ ARTIFACTS_DIR }}
+
+      - name: run launch times on qemu
+        run: bash tests/metrics/gha-run.sh run-test-launchtimes-qemu
+
+      - name: run launch times on clh
+        run:  bash tests/metrics/gha-run.sh run-test-launchtimes-clh

tests/metrics/gha-run.sh

@@ -9,13 +9,43 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
+kata_tarball_dir=${2:-kata-artifacts}
 metrics_dir="$(dirname "$(readlink -f "$0")")"
 
+create_symbolic_links() {
+	hypervisor="${1:-qemu}"
+	local link_configuration_file="/opt/kata/share/defaults/kata-containers/configuration.toml"
+	local source_configuration_file="/opt/kata/share/defaults/kata-containers/configuration-${hypervisor}.toml"
+
+	if [ ${hypervisor} != 'qemu' ] && [ ${hypervisor} != 'clh' ]; then
+		exit 2
+	fi
+
+	sudo ln -sf "${source_configuration_file}" "${link_configuration_file}"
+}
+
+install_kata() {
+	local katadir="/opt/kata"
+	local destdir="/"
+
+	# Removing previous kata installation
+	sudo rm -rf "${katadir}"
+
+	pushd ${kata_tarball_dir}
+	for c in kata-static-*.tar.xz; do
+		echo "untarring tarball "${c}" into ${destdir}"
+		sudo tar -xvf "${c}" -C "${destdir}"
+	done
+	popd
+}
+
 function run_test_launchtimes() {
 	hypervisor="${1}"
 
 	echo "Running launchtimes tests: "
 
+	create_symbolic_links "${hypervisor}"
+
 	if [ "${hypervisor}" = 'qemu' ]; then
 		echo "qemu"
 	elif [ "${hypervisor}" = 'clh' ]; then
@@ -26,6 +56,7 @@ function run_test_launchtimes() {
 function main() {
 	action="${1:-}"
 	case "${action}" in
+		install-kata) install_kata ;;
 		run-test-launchtimes-qemu) run_test_launchtimes "qemu" ;;
 		run-test-launchtimes-clh) run_test_launchtimes "clh" ;;
 		*) >&2 echo "Invalid argument"; exit 2 ;;