Add integration tests

.github/integration/tests/sda/09_healthchecks.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+set -e
+
+# install tools if missing
+for t in curl  jq ; do
+    if [ ! "$(command -v $t)" ]; then
+        if [ "$(id -u)" != 0 ]; then
+            echo "$t is missing, unable to install it"
+            exit 1
+        fi
+
+        apt-get -o DPkg::Lock::Timeout=60 update >/dev/null
+        apt-get -o DPkg::Lock::Timeout=60 install -y "$t" >/dev/null
+    fi
+done
+
+
+# Test the s3inbox's healthchecks, GET /health and HEAD /
+token="$(curl -s http://oidc:8080/tokens | jq -r '.[0]')"
+
+response="$(curl -s -k -LI 'http://s3inbox:8000' -o /dev/null -w '%{http_code}\n' -H 'Authorization: Bearer $token')"
+if [ "$response" != "200" ]; then
+	echo "Bad health response from HEAD /, expected 200 got: $response"
+	exit 1
+fi
+
+response="$(curl -s -k -LI 'http://s3inbox:8000/health' -o /dev/null -w '%{http_code}\n' -H 'Authorization: Bearer $token')"
+if [ "$response" != "200" ]; then
+	echo "Bad health response from /health, expected 200 got: $response"
+	exit 1
+fi
+
+echo "Healthcheck tests completed successfully"