Add test for checking journald logs

mantle/kola/tests/ignition/journaldEntry.go

@@ -0,0 +1,48 @@
+// Copyright 2020 Red Hat
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package ignition
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/coreos/mantle/kola/cluster"
+	"github.com/coreos/mantle/kola/register"
+	"github.com/coreos/mantle/platform/conf"
+)
+
+const ignitionJournalMsgId = "57124006b5c94805b77ce473e92a8aeb"
+
+func init() {
+	register.RegisterTest(&register.Test{
+		Name:        "coreos.ignition.journald-log",
+		Run:         sendJournaldLog,
+		ClusterSize: 1,
+		UserData:    conf.Ignition(`{"ignition":{"version":"3.0.0"}}`),
+	})
+}
+
+func sendJournaldLog(c cluster.TestCluster) {
+	m := c.Machines()[0]
+	// See https://github.com/coreos/ignition/pull/958
+	// for the MESSAGE_ID source. It will track the
+	// journal messages related to an ignition config
+	// provided by the user.
+	out := c.MustSSH(m, fmt.Sprintf("journalctl -o json-pretty MESSAGE_ID=%s | jq -s '.[] | select(.IGNITION_CONFIG_TYPE == \"user\")' | wc -l", ignitionJournalMsgId))
+	num, _ := strconv.Atoi(string(out))
+	if num == 0 {
+		c.Fatalf("Ignition didn't write %s", ignitionJournalMsgId)
+	}
+}