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import unittest |
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from kafka_influxdb.encoder import collectd_json_encoder |
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class TestCollectdJsonEncoder(unittest.TestCase): |
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def setUp(self): |
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self.encoder = collectd_json_encoder.Encoder() |
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def test_encode(self): |
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""" |
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Test encoding of messages in collectd json format |
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See https://github.com/mre/kafka-influxdb/issues/6 |
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:return: |
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""" |
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msg = b""" |
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[{"values":[0.6],"dstypes":["gauge"],"dsnames":["value"],"time":1444745144.824,"interval":10.000,"host":"xx.example.internal","plugin":"cpu","plugin_instance":"1","type":"percent","type_instance":"system"}] |
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""" |
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expected = ['cpu-1_cpu-system,host=xx.example.internal value=0.6 1444745144.824'] |
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self.assertEqual(self.encoder.encode(msg), expected) |
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def test_multiple_measurements(self): |
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""" |
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Test encoding of messages in collectd json format |
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See https://github.com/mre/kafka-influxdb/issues/6 |
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:return: |
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""" |
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msg = b""" |
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[{"values":[0.6],"dstypes":["gauge"],"dsnames":["value"],"time":1444745144.824,"interval":10.000,"host":"xx.example.internal","plugin":"cpu","plugin_instance":"1","type":"percent","type_instance":"system"}] |
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[{"values":[0.7],"dstypes":["gauge"],"dsnames":["value"],"time":1444745144.824,"interval":10.000,"host":"example.com","plugin":"cpu","plugin_instance":"1","type":"percent","type_instance":"user"}] |
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[{"values":[37.7],"dstypes":["gauge"],"dsnames":["value"],"time":1444745144.824,"interval":10.000,"host":"myhost","plugin":"cpu","plugin_instance":"0","type":"percent","type_instance":"nice"}] |
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[{"values":[0],"dstypes":["gauge"],"dsnames":["value"],"time":1444745145.824,"interval":10.000,"host":"myhost","plugin":"cpu","plugin_instance":"0","type":"percent","type_instance":"interrupt"}] |
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[{"values":[1.1],"dstypes":["gauge"],"dsnames":["value"],"time":1444745136.182,"interval":10.000,"host":"myhost","plugin":"memory","plugin_instance":"","type":"percent","type_instance":"slab_recl"}] |
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""" |
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expected = [ |
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'cpu-1_cpu-system,host=xx.example.internal value=0.6 1444745144.824', |
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'cpu-1_cpu-user,host=example.com value=0.7 1444745144.824', |
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'cpu-0_cpu-nice,host=myhost value=37.7 1444745144.824', |
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'cpu-0_cpu-interrupt,host=myhost value=0 1444745145.824', |
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'memory_memory-slab_recl,host=myhost value=1.1 1444745136.182' |
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] |
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self.assertEqual(self.encoder.encode(msg), expected) |
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def test_invalid_messages(self): |
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invalid_messages = [b'', b'\n', b'bla', b'foo\nbar\nbaz'] |
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for msg in invalid_messages: |
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self.assertEqual(self.encoder.encode(msg), []) |
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def test_documentation_examples(self): |
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msg = b""" |
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[{"values":[0],"dstypes":["derive"],"dsnames":["value"],"time":1436372292.412,"interval":10.000,"host":"26f2fc918f50","plugin":"cpu","plugin_instance":"1","type":"cpu","type_instance":"interrupt"}] |
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""" |
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expected = ['cpu-1_cpu-interrupt,host=26f2fc918f50 value=0 1436372292.412'] |
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self.assertEqual(self.encoder.encode(msg), expected) |
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""" |
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[ |
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{ |
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"values": [1901474177], |
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"dstypes": ["counter"], |
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"dsnames": ["value"], |
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"time": 1280959128, |
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"interval": 10, |
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"host": "leeloo.octo.it", |
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"plugin": "cpu", |
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"plugin_instance": "0", |
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"type": "cpu", |
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"type_instance": "idle" |
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} |
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] |
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# See https://collectd.org/wiki/index.php/JSON |
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[ |
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{ |
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"values": [1901474177], |
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"dstypes": ["counter"], |
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"dsnames": ["value"], |
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"time": 1280959128, |
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"interval": 10, |
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"host": "leeloo.octo.it", |
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"plugin": "cpu", |
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"plugin_instance": "0", |
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"type": "cpu", |
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"type_instance": "idle" |
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} |
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] |
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# See https://github.com/mjuenema/collectd-write_json |
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[ |
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{ |
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"dsnames": ['shorttem', 'midterm', 'longterm'], |
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"dstypes": ['gauge', 'gauge', 'gauge'], |
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"host": "localhost", |
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"interval": 5.0, |
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"plugin": "load", |
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"plugin_instance": "", |
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"time": 1432086959.8153536, |
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"type": "load", |
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"type_instance": "", |
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"values": [ |
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0.0, |
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0.01, |
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0.050000000000000003 |
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] |
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} |
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] |
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""" |
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mre /
kafka-influxdb
