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authorDR695H <dr695h@att.com>2019-06-03 21:32:22 -0400
committerDR695H <dr695h@att.com>2019-06-03 21:43:30 -0400
commit6a3fad82a1b545038c2372da718714038b5aa664 (patch)
tree0f04918d6f9a2a7d3c71837d95bc0820d5abda2c /robotframework-onap/ONAPLibrary
parentf255f34b75338c9ee76bdc3a0e7773b6fa35098a (diff)
add in kafka lib for working with kafka directly
Change-Id: Ibea385fbd3eb835c1b29a8bf9883122c97a4dd62 Issue-ID: TEST-158 Signed-off-by: DR695H <dr695h@att.com>
Diffstat (limited to 'robotframework-onap/ONAPLibrary')
-rw-r--r--robotframework-onap/ONAPLibrary/JSONKeywords.py2
-rw-r--r--robotframework-onap/ONAPLibrary/Kafka.py26
-rw-r--r--robotframework-onap/ONAPLibrary/KafkaKeywords.py76
3 files changed, 103 insertions, 1 deletions
diff --git a/robotframework-onap/ONAPLibrary/JSONKeywords.py b/robotframework-onap/ONAPLibrary/JSONKeywords.py
index bd1a59d..e007e6c 100644
--- a/robotframework-onap/ONAPLibrary/JSONKeywords.py
+++ b/robotframework-onap/ONAPLibrary/JSONKeywords.py
@@ -22,7 +22,7 @@ class JSONKeywords(object):
"""
def __init__(self):
- pass
+ super(JSONKeywords, self).__init__()
@keyword
def json_equals(self, left, right):
diff --git a/robotframework-onap/ONAPLibrary/Kafka.py b/robotframework-onap/ONAPLibrary/Kafka.py
new file mode 100644
index 0000000..5ff8b21
--- /dev/null
+++ b/robotframework-onap/ONAPLibrary/Kafka.py
@@ -0,0 +1,26 @@
+# Copyright 2019 AT&T Intellectual Property. 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.
+
+from ONAPLibrary.robotlibcore import HybridCore
+from ONAPLibrary.KafkaKeywords import KafkaKeywords
+
+
+class Kafka(HybridCore):
+ """ Utilities useful for Kafka consuming and producing """
+
+ def __init__(self):
+ self.keyword_implementors = [
+ KafkaKeywords()
+ ]
+ HybridCore.__init__(self, self.keyword_implementors)
diff --git a/robotframework-onap/ONAPLibrary/KafkaKeywords.py b/robotframework-onap/ONAPLibrary/KafkaKeywords.py
new file mode 100644
index 0000000..6da5b52
--- /dev/null
+++ b/robotframework-onap/ONAPLibrary/KafkaKeywords.py
@@ -0,0 +1,76 @@
+# Copyright 2019 AT&T Intellectual Property. 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.
+from pykafka import KafkaClient
+from pykafka.common import OffsetType
+from robot.api.deco import keyword
+from robot import utils
+
+
+class KafkaKeywords(object):
+ """ Utilities useful for Kafka consuming and producing """
+
+ def __init__(self):
+ super(KafkaKeywords, self).__init__()
+ self._cache = utils.ConnectionCache('No Kafka Environments created')
+
+ @keyword
+ def connect(self, alias, kafka_host, kafka_version="1.0.0"):
+ """connect to the specified kafka server"""
+ client = KafkaClient(hosts=kafka_host, broker_version=kafka_version)
+ self._cache.register(client, alias=alias)
+
+ @keyword
+ def produce(self, alias, topic, key, value):
+ assert topic
+ assert value
+
+ producer = self._get_producer(alias, topic)
+ return producer.produce(value, key)
+
+ def _get_producer(self, alias, topic_name):
+ topic = self._cache.switch(alias).topics[topic_name]
+ prod = topic.get_sync_producer()
+ return prod
+
+ @keyword
+ def consume(self, alias, topic_name, consumer_group=None):
+ assert topic_name
+
+ consumer = self._get_consumer(alias, topic_name, consumer_group)
+ msg = consumer.consume()
+ if msg is None:
+ return None
+ else:
+ return msg.value
+
+ def _get_consumer(self, alias, topic_name, consumer_group=None, set_offset_to_earliest=False):
+ assert topic_name
+
+ # default to the topic as group name
+ if consumer_group:
+ cgn = consumer_group
+ else:
+ cgn = topic_name
+
+ topic = self._cache.switch(alias).topics[topic_name]
+
+ offset_type = OffsetType.LATEST
+ if set_offset_to_earliest:
+ offset_type = OffsetType.EARLIEST
+
+ c = topic.get_simple_consumer(
+ consumer_group=cgn, auto_offset_reset=offset_type, auto_commit_enable=True,
+ reset_offset_on_start=True, consumer_timeout_ms=5000)
+
+ return c