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Improve prometheus metric name sanitization (#126967)

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Russell Cloran 2024-10-25 09:33:16 -07:00 • committed by GitHub
parent 1a3940575e
commit 3ac3673326
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1 changed files with 2 additions and 6 deletions
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8
homeassistant/components/prometheus/__init__.py
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@ -89,6 +89,7 @@ CONF_OVERRIDE_METRIC = "override_metric"
COMPONENT_CONFIG_SCHEMA_ENTRY = vol.Schema(
{vol.Optional(CONF_OVERRIDE_METRIC): cv.string}
)
ALLOWED_METRIC_CHARS = set(string.ascii_letters + string.digits + "_:")
DEFAULT_NAMESPACE = "homeassistant"
@ -325,12 +326,7 @@ class PrometheusMetrics:
@staticmethod
def _sanitize_metric_name(metric: str) -> str:
return "".join(
[
c
if c in string.ascii_letters + string.digits + "_:"
else f"u{hex(ord(c))}"
for c in metric
]
[c if c in ALLOWED_METRIC_CHARS else f"u{hex(ord(c))}" for c in metric]
)
@staticmethod