prometheus_http.md

Module prometheus_http

• Description
• Data Types
• Function Index
• Function Details

HTTP instrumentation helpers.

Data Types

status_class()

status_class() = prometheus_model_helpers:label_value()

status_code()

status_code() = pos_integer()

Function Index

microseconds_duration_buckets/0	Returns default microseconds buckets for measuring http requests duration.
status_class/1	Returns status class for the http status code SCode.

Function Details

microseconds_duration_buckets/0

microseconds_duration_buckets() -> prometheus_buckets:buckets()

Returns default microseconds buckets for measuring http requests duration.

  1> prometheus_http:microseconds_duration_buckets().
  [10, 25, 50, 100, 250, 500,
   1000, 2500, 5000, 10000, 25000, 50000, 100000, 250000, 500000,
   1000000, 2500000, 5000000, 10000000]

status_class/1

status_class(SCode) -> StatusClass

• SCode = status_code()
• StatusClass = status_class()

Returns status class for the http status code SCode.

  2> prometheus_http:status_class(202).
  "success"

Raises {invalid_value_error, SCode, Message} error if SCode isn't a positive integer.