Show and reset Kafka status after every suite

Change-Id: I24caace22e13035a792eb7d06074993b63bbb1ba
Issue-ID: DCAEGEN2-1381
Signed-off-by: Filip Krzywka <filip.krzywka@nokia.com>

2 files changed, 63 insertions, 0 deletions

diff --git a/tests/dcaegen2-collectors-hv-ves/testcases/libraries/KafkaLibrary.py b/tests/dcaegen2-collectors-hv-ves/testcases/libraries/KafkaLibrary.py
new file mode 100644
index 00000000..e262ff01
--- /dev/null
+++ b/tests/dcaegen2-collectors-hv-ves/testcases/libraries/KafkaLibrary.py
@@ -0,0 +1,61 @@
+# ============LICENSE_START====================================
+# csit-dcaegen2-collectors-hv-ves
+# =========================================================
+# Copyright (C) 2019 Nokia. All rights reserved.
+# =========================================================
+# 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.
+# ============LICENSE_END=====================================
+
+import docker
+from robot.api import logger
+
+KAFKA_IMAGE_FULL_NAME = "wurstmeister/kafka"
+KAFKA_ADDRESS = "kafka:9092"
+ZOOKEEPER_ADDRESS = "zookeeper:2181"
+
+LIST_TOPICS_COMMAND = "kafka-topics.sh --list --zookeeper %s" % ZOOKEEPER_ADDRESS
+TOPIC_STATUS_COMMAND = "kafka-run-class.sh kafka.tools.GetOffsetShell --broker-list " + KAFKA_ADDRESS + " --topic %s --time -1"
+DELETE_TOPIC_COMMAND = "kafka-topics.sh --zookeeper " + ZOOKEEPER_ADDRESS + " --delete --topic %s"
+
+
+class KafkaLibrary:
+
+    def log_kafka_status(self):
+        dockerClient = docker.from_env()
+        kafka = dockerClient.containers.list(filters={"ancestor": KAFKA_IMAGE_FULL_NAME}, all=True)[0]
+
+        topics = self.get_topics(kafka)
+        logger.info("Topics initialized in Kafka cluster: " + str(topics))
+        for topic in topics:
+            if topic == "__consumer_offsets":
+                # kafka-internal topic, ignore it
+                continue
+
+            self.log_topic_status(kafka, topic)
+            self.reset_topic(kafka, topic)
+
+        dockerClient.close()
+
+    def get_topics(self, kafka):
+        exitCode, output = kafka.exec_run(LIST_TOPICS_COMMAND)
+        return output.splitlines()
+
+    def log_topic_status(self, kafka, topic):
+        _, topic_status = kafka.exec_run(TOPIC_STATUS_COMMAND % topic)
+        logger.info("Messages on topic: " + str(topic_status))
+
+    def reset_topic(self, kafka, topic):
+        logger.info("Removing topic " + str(
+            topic) + " (note that it will be recreated by dcae-app-simulator/hv-ves-collector, however the offset will be reseted)")
+        _, output = kafka.exec_run(DELETE_TOPIC_COMMAND % topic)
+        logger.info(str(output))
diff --git a/tests/dcaegen2-collectors-hv-ves/testcases/resources/common-keywords.robot b/tests/dcaegen2-collectors-hv-ves/testcases/resources/common-keywords.robot
index 1c925408..07e886a0 100644
--- a/tests/dcaegen2-collectors-hv-ves/testcases/resources/common-keywords.robot
+++ b/tests/dcaegen2-collectors-hv-ves/testcases/resources/common-keywords.robot
@@ -19,6 +19,7 @@
 *** Settings ***
 Library       XnfSimulatorLibrary
 Library       VesHvContainersUtilsLibrary
+Library       KafkaLibrary
 Library       Collections
 
 *** Keywords ***
@@ -63,6 +64,7 @@ VES-HV Collector Test Shutdown
 
 
 VES-HV Collector Suite Teardown
+    Log Kafka Status
     Stop And Remove All Xnf Simulators   ${SUITE NAME}
 
 *** Variables ***