def test_deregister(self):
r = Registry()
r.register(Collector(**self.data))
r.deregister(self.data['name'])
self.assertEqual(0, len(r.collectors))
def test_register_wrong_type(self):
r = Registry()
with self.assertRaises(TypeError) as context:
r.register("This will fail")
self.assertEqual(
"Can't register instance, not a valid type of collector",
str(context.exception))
def test_register_sames(self):
r = Registry()
r.register(Collector(**self.data))
with self.assertRaises(ValueError) as context:
r.register(Collector(**self.data))
self.assertEqual("Collector already exists or name colision",
str(context.exception))
def start_http(port):
# Create the registry
registry = Registry()
try:
# We make this to set the registry in the handler
def handler(*args, **kwargs):
PrometheusMetricHandler(registry, *args, **kwargs)
server = HTTPServer(('', port), handler)
server.serve_forever()
except KeyboardInterrupt:
server.socket.close()
def setUp(self):
# Create the registry
self.registry = Registry()
# Handler hack
def handler(*args, **kwargs):
TestPrometheusMetricHandler(self.registry, *args, **kwargs)
self.server = HTTPServer(('', TEST_PORT), handler)
# Start a server
thread = threading.Thread(target=self.server.serve_forever)
thread.start()
def test_register(self):
q = 100
collectors = [
Collector('test' + str(i), 'Test' + str(i)) for i in range(q)
]
r = Registry()
for i in collectors:
r.register(i)
self.assertEqual(q, len(r.collectors))
def test_get_all(self):
q = 100
collectors = [
Collector('test' + str(i), 'Test' + str(i)) for i in range(q)
]
r = Registry()
for i in collectors:
r.register(i)
result = r.get_all()
self.assertTrue(isinstance(result, list))
self.assertEqual(q, len(result))
def test_push_job_ping(self):
job_name = "my-job"
p = Pusher(job_name, TEST_URL)
registry = Registry()
c = Counter("total_requests", "Total requests.", {})
registry.register(c)
c.inc({
'url': "/p/user",
})
# Push to the pushgateway
p.replace(registry)
# Check the objects that setted the server thread
self.assertEqual(Pusher.PATH.format(job_name), self.request['path'])
def test_push_delete(self):
job_name = "my-job"
p = Pusher(job_name, TEST_URL)
registry = Registry()
counter = Counter("counter_test", "A counter.", {'type': "counter"})
registry.register(counter)
counter_data = (({'c_sample': '1', 'c_subsample': 'b'}, 400), )
[counter.set(c[0], c[1]) for c in counter_data]
valid_result = b'[\n\x0ccounter_test\x12\nA counter.\x18\x00"=\n\r\n\x08c_sample\x12\x011\n\x10\n\x0bc_subsample\x12\x01b\n\x0f\n\x04type\x12\x07counter\x1a\t\t\x00\x00\x00\x00\x00\x00y@'
# Push to the pushgateway
p.delete(registry)
# Check the object that setted the server thread
self.assertEqual("DELETE", self.request['method'])
self.assertEqual(valid_result, self.request['body'])
ram_metric.set({
'type': "virtual",
}, ram.used)
ram_metric.set({'type': "virtual", 'status': "cached"}, ram.cached)
ram_metric.set({'type': "swap"}, swap.used)
# Add cpu metrics
for c, p in enumerate(psutil.cpu_percent(interval=1, percpu=True)):
cpu_metric.set({'core': c}, p)
if __name__ == "__main__":
# Create the registry
registry = Registry()
# Create the thread that gathers the data while we serve it
thread = threading.Thread(target=gather_data, args=(registry, ))
thread.start()
# Set a server to export (expose to prometheus) the data (in a thread)
try:
# We make this to set the registry in the handler
def handler(*args, **kwargs):
PrometheusMetricHandler(registry, *args, **kwargs)
server = HTTPServer(('', PORT_NUMBER), handler)
server.serve_forever()
except KeyboardInterrupt:
def test_all(self):
format_times = 10
counter_data = (
({'c_sample': '1'}, 100),
({'c_sample': '2'}, 200),
({'c_sample': '3'}, 300),
({'c_sample': '1', 'c_subsample': 'b'}, 400),
)
gauge_data = (
({'g_sample': '1'}, 500),
({'g_sample': '2'}, 600),
({'g_sample': '3'}, 700),
({'g_sample': '1', 'g_subsample': 'b'}, 800),
)
summary_data = (
({'s_sample': '1'}, range(1000, 2000, 4)),
({'s_sample': '2'}, range(2000, 3000, 20)),
({'s_sample': '3'}, range(3000, 4000, 13)),
({'s_sample': '1', 's_subsample': 'b'}, range(4000, 5000, 47)),
)
registry = Registry()
counter = Counter("counter_test", "A counter.", {'type': "counter"})
gauge = Gauge("gauge_test", "A gauge.", {'type': "gauge"})
summary = Summary("summary_test", "A summary.", {'type': "summary"})
self.registry.register(counter)
self.registry.register(gauge)
self.registry.register(summary)
# Add data
[counter.set(c[0], c[1]) for c in counter_data]
[gauge.set(g[0], g[1]) for g in gauge_data]
[summary.add(i[0], s) for i in summary_data for s in i[1]]
registry.register(counter)
registry.register(gauge)
registry.register(summary)
valid_data = """# HELP counter_test A counter.
# TYPE counter_test counter
counter_test{c_sample="1",c_subsample="b",type="counter"} 400
counter_test{c_sample="1",type="counter"} 100
counter_test{c_sample="2",type="counter"} 200
counter_test{c_sample="3",type="counter"} 300
# HELP gauge_test A gauge.
# TYPE gauge_test gauge
gauge_test{g_sample="1",g_subsample="b",type="gauge"} 800
gauge_test{g_sample="1",type="gauge"} 500
gauge_test{g_sample="2",type="gauge"} 600
gauge_test{g_sample="3",type="gauge"} 700
# HELP summary_test A summary.
# TYPE summary_test summary
summary_test_count{s_sample="1",s_subsample="b",type="summary"} 22
summary_test_count{s_sample="1",type="summary"} 250
summary_test_count{s_sample="2",type="summary"} 50
summary_test_count{s_sample="3",type="summary"} 77
summary_test_sum{s_sample="1",s_subsample="b",type="summary"} 98857.0
summary_test_sum{s_sample="1",type="summary"} 374500.0
summary_test_sum{s_sample="2",type="summary"} 124500.0
summary_test_sum{s_sample="3",type="summary"} 269038.0
summary_test{quantile="0.5",s_sample="1",s_subsample="b",type="summary"} 4235.0
summary_test{quantile="0.5",s_sample="1",type="summary"} 1272.0
summary_test{quantile="0.5",s_sample="2",type="summary"} 2260.0
summary_test{quantile="0.5",s_sample="3",type="summary"} 3260.0
summary_test{quantile="0.9",s_sample="1",s_subsample="b",type="summary"} 4470.0
summary_test{quantile="0.9",s_sample="1",type="summary"} 1452.0
summary_test{quantile="0.9",s_sample="2",type="summary"} 2440.0
summary_test{quantile="0.9",s_sample="3",type="summary"} 3442.0
summary_test{quantile="0.99",s_sample="1",s_subsample="b",type="summary"} 4517.0
summary_test{quantile="0.99",s_sample="1",type="summary"} 1496.0
summary_test{quantile="0.99",s_sample="2",type="summary"} 2500.0
summary_test{quantile="0.99",s_sample="3",type="summary"} 3494.0
"""
headers = {'accept': 'text/plain; version=0.0.4'}
url = urllib.parse.urljoin(TEST_URL, TEST_METRICS_PATH[1:])
r = requests.get(url, headers=headers)
self.assertEqual("text/plain; version=0.0.4; charset=utf-8",
r.headers['content-type'])
self.assertEqual(200, r.status_code)
self.assertEqual(valid_data, r.text)
def test_get(self):
r = Registry()
c = Collector(**self.data)
r.register(c)
self.assertEqual(c, r.get(c.name))
def test_register_summary(self):
r = Registry()
r.register(Summary(**self.data))
self.assertEqual(1, len(r.collectors))
def test_register_gauge(self):
r = Registry()
r.register(Gauge(**self.data))
self.assertEqual(1, len(r.collectors))
def test_register_counter(self):
r = Registry()
r.register(Counter(**self.data))
self.assertEqual(1, len(r.collectors))
