Initial InfluxDB dispatcher

Supports:
    - Basic influxDB write with timestamp
    - Add general result format func
    - Add UT

TODO:
    - refine database schema (e.g. add more tags) plan in another patch

JIRA: YARDSTICK-212

Change-Id: I1526568bbd850f1343135420ec59ed1b833bb99f
Signed-off-by: QiLiang <liangqi1@huawei.com>

3 files changed, 177 insertions, 0 deletions

diff --git a/tests/unit/dispatcher/__init__.py b/tests/unit/dispatcher/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tests/unit/dispatcher/__init__.py
diff --git a/tests/unit/dispatcher/test_influxdb.py b/tests/unit/dispatcher/test_influxdb.py
new file mode 100644
index 000000000..3989f5889
--- /dev/null
+++ b/tests/unit/dispatcher/test_influxdb.py
@@ -0,0 +1,122 @@
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Unittest for yardstick.dispatcher.influxdb
+
+import mock
+import unittest
+
+from yardstick.dispatcher.influxdb import InfluxdbDispatcher
+
+class InfluxdbDispatcherTestCase(unittest.TestCase):
+
+    def setUp(self):
+        self.data1 = {
+            "runner_id": 8921,
+            "context_cfg": {
+                "host": {
+                    "ip": "10.229.43.154",
+                    "key_filename": "/root/yardstick/yardstick/resources/files/yardstick_key",
+                    "name": "kvm.LF",
+                    "user": "root"
+                },
+                "target": {
+                    "ipaddr": "10.229.44.134"
+                }
+            },
+            "scenario_cfg": {
+                "runner": {
+                    "interval": 1,
+                    "object": "yardstick.benchmark.scenarios.networking.ping.Ping",
+                    "output_filename": "/tmp/yardstick.out",
+                    "runner_id": 8921,
+                    "duration": 10,
+                    "type": "Duration"
+                },
+                "host": "kvm.LF",
+                "type": "Ping",
+                "target": "10.229.44.134",
+                "sla": {
+                    "action": "monitor",
+                    "max_rtt": 10
+                }
+            }
+        }
+        self.data2 = {
+            "benchmark": {
+                "timestamp": "1451478117.883505",
+                "errors": "",
+                "data": {
+                    "rtt": 0.613
+                },
+                "sequence": 1
+            },
+            "runner_id": 8921
+        }
+        self.data3 ={
+            "benchmark": {
+                "data": {
+                    "mpstat": {
+                        "cpu0": {
+                            "%sys": "0.00",
+                            "%idle": "99.00"
+                        },
+                        "loadavg": [
+                            "1.09",
+                            "0.29"
+                        ]
+                    },
+                    "rtt": "1.03"
+                }
+            }
+        }
+
+    def test_record_result_data_no_target(self):
+        influxdb = InfluxdbDispatcher(None)
+        influxdb.target = ''
+        self.assertEqual(influxdb.record_result_data(self.data1), -1)
+
+    def test_record_result_data_no_case_name(self):
+        influxdb = InfluxdbDispatcher(None)
+        self.assertEqual(influxdb.record_result_data(self.data2), -1)
+
+    @mock.patch('yardstick.dispatcher.influxdb.requests')
+    def test_record_result_data(self, mock_requests):
+        type(mock_requests.post.return_value).status_code = 204
+        influxdb = InfluxdbDispatcher(None)
+        self.assertEqual(influxdb.record_result_data(self.data1), 0)
+        self.assertEqual(influxdb.record_result_data(self.data2), 0)
+        self.assertEqual(influxdb.flush_result_data(), 0)
+
+    def test__dict_key_flatten(self):
+        line = 'mpstat.loadavg1=0.29,rtt=1.03,mpstat.loadavg0=1.09,mpstat.cpu0.%idle=99.00,mpstat.cpu0.%sys=0.00'
+        influxdb = InfluxdbDispatcher(None)
+        flattened_data = influxdb._dict_key_flatten(self.data3['benchmark']['data'])
+        result = ",".join([k+"="+v for k, v in flattened_data.items()])
+        self.assertEqual(result, line)
+
+    def test__get_nano_timestamp(self):
+        influxdb = InfluxdbDispatcher(None)
+        results = {'benchmark': {'timestamp': '1451461248.925574'}}
+        self.assertEqual(influxdb._get_nano_timestamp(results), '1451461248925574144')
+
+    @mock.patch('yardstick.dispatcher.influxdb.time')
+    def test__get_nano_timestamp_except(self, mock_time):
+        results = {}
+        influxdb = InfluxdbDispatcher(None)
+        mock_time.time.return_value = 1451461248.925574
+        self.assertEqual(influxdb._get_nano_timestamp(results), '1451461248925574144')
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()
diff --git a/tests/unit/dispatcher/test_influxdb_line_protocol.py b/tests/unit/dispatcher/test_influxdb_line_protocol.py
new file mode 100644
index 000000000..cb05bf4d2
--- /dev/null
+++ b/tests/unit/dispatcher/test_influxdb_line_protocol.py
@@ -0,0 +1,55 @@
+# Unittest for yardstick.dispatcher.influxdb_line_protocol
+
+# yardstick comment: this file is a modified copy of
+# influxdb-python/influxdb/tests/test_line_protocol.py
+
+import unittest
+from yardstick.dispatcher.influxdb_line_protocol import make_lines
+
+
+class TestLineProtocol(unittest.TestCase):
+
+    def test_make_lines(self):
+        data = {
+            "tags": {
+                "empty_tag": "",
+                "none_tag": None,
+                "integer_tag": 2,
+                "string_tag": "hello"
+            },
+            "points": [
+                {
+                    "measurement": "test",
+                    "fields": {
+                        "string_val": "hello!",
+                        "int_val": 1,
+                        "float_val": 1.1,
+                        "none_field": None,
+                        "bool_val": True,
+                    }
+                }
+            ]
+        }
+
+        self.assertEqual(
+            make_lines(data),
+            'test,integer_tag=2,string_tag=hello '
+            'bool_val=True,float_val=1.1,int_val=1i,string_val="hello!"\n'
+        )
+
+    def test_string_val_newline(self):
+        data = {
+            "points": [
+                {
+                    "measurement": "m1",
+                    "fields": {
+                        "multi_line": "line1\nline1\nline3"
+                    }
+                }
+            ]
+        }
+
+        self.assertEqual(
+            make_lines(data),
+            'm1 multi_line="line1\\nline1\\nline3"\n'
+        )