async def metrics(request):
"""Prometheus compatible metrics.
Naming convention:
https://prometheus.io/docs/practices/naming/
"""
return web.Response(
text=format_dataclass_for_prometheus(await get_metrics()))
def test_format_dataclass_for_prometheus():
@dataclass
class Simple:
a: int
b: float
c: str
assert format_dataclass_for_prometheus(Simple(1, 2.2,
"3")) == 'a 1\nb 2.2\nc "3"'
@dataclass
class Tagged:
d: Simple
e: str
assert format_dataclass_for_prometheus(Tagged(Simple(
1, 2.2, "3"), "e")) == 'd{a=1,b=2.2,c="3"} 1\ne "e"'
async def metrics(request):
"""Prometheus compatible metrics.
Naming convention:
https://prometheus.io/docs/practices/naming/
"""
shared_stats = request.config_dict["shared_stats"]
return web.Response(
text=format_dataclass_for_prometheus(await get_metrics(shared_stats)))
def test_metrics():
metrics = Metrics(
pyaleph_build_info=BuildInfo(
python_version='3.8.0',
version='v999',
),
pyaleph_status_sync_messages_total=123,
pyaleph_status_sync_pending_messages_total=456,
)
assert format_dataclass_for_prometheus(metrics) == (
'pyaleph_build_info{python_version="3.8.0",version="v999"} 1\n'
'pyaleph_status_sync_messages_total 123\n'
'pyaleph_status_sync_pending_messages_total 456')
def test_metrics():
metrics = Metrics(
pyaleph_build_info=BuildInfo(
python_version='3.8.0',
version='v999',
),
pyaleph_status_peers_total=0,
pyaleph_status_sync_messages_total=123,
pyaleph_status_sync_pending_messages_total=456,
pyaleph_status_sync_pending_txs_total=0,
pyaleph_status_chain_eth_last_committed_height=0,
)
assert format_dataclass_for_prometheus(metrics) == (
'pyaleph_build_info{python_version="3.8.0",version="v999"} 1\n'
'pyaleph_status_peers_total 0\n'
'pyaleph_status_sync_messages_total 123\n'
'pyaleph_status_sync_pending_messages_total 456\n'
'pyaleph_status_sync_pending_txs_total 0\n'
'pyaleph_status_chain_eth_last_committed_height 0')