Integration tests

tests/integration/__init__.py

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+#!/usr/bin/env python3
+# Copyright 2022 Canonical Ltd.
+# See LICENSE file for licensing details.

tests/integration/conftest.py

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+import subprocess
+
+import pytest
+
+
+@pytest.fixture(autouse=True, scope="module")
+def opensearch_sysctl_settings():
+    """Necessary settings for Opensearch
+
+    This should probably rather go to ci.yaml"""
+    subprocess.run(["sudo", "sysctl", "-w", "vm.swappiness=0"])
+    subprocess.run(["sudo", "sysctl", "-w", "vm.max_map_count=262144"])
+    subprocess.run(["sudo", "sysctl", "-w", "net.ipv4.tcp_retries2=5"])