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View Code? Open in Web Editor NEWSymfony bundle to expose your own metrics to Prometheus
License: BSD 3-Clause "New" or "Revised" License
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UndefinedFunctionError: Attempted to call function "service" from namespace "Symfony\Component\DependencyInjection\Loader\Configurator"
Hello again,
I'm trying out your new version (v2.0.0) and I noticed that v2.0.0 doesn't handle Symfony 4.4.
I get this error every time:
Attempted to call function "service" from namespace "Symfony\Component\DependencyInjection\Loader\Configurator" in [...]/vendor/prismamedia/metrics/src/Bundle/Resources/config/services.php (line 20)
->args([tagged_iterator(PrismaMediaMetricsBundle::TAG_METRIC)]) ->set(MetricRenderer::class) ->set(MetricsController::class) ->args([service(MetricAggregator::class), service(MetricRenderer::class)]) ->tag('controller.service_arguments')
Can you help me to solve this problem?
Use proper content type form response: "application/openmetrics-text; version=1.0.0; charset=utf-8"
The response should be returned with
content-type: application/openmetrics-text; version=1.0.0; charset=utf-8
Prometheus: float parsing error
Hello,
first of all thank you for providing your package! We use it to create our own metrics. Unfortunately we found that Prometheus could not pick up our metrics because it ran into a parsing error.
The problem could be traced back to the "\r" character:
Error message: strconv.ParseFloat: parsing "0\r": invalid syntax
I have already created a PR that deletes "\r", because actually only "\n" has to be used.
PR: #11
The problem was found on Linux with the following Prometheus version:
Build Information
Version 2.15.2
Revision d9613e5c466c6e9de548c4dae1b9aabf9aaf7c57
Add HELP & TYPE description to each metric
Example:
# HELP process_cpu_seconds_total Total user and system CPU time spent in seconds.
# TYPE process_cpu_seconds_total counter
process_cpu_seconds_total 4.09
# HELP process_virtual_memory_bytes Virtual memory size in bytes.
# TYPE process_virtual_memory_bytes gauge
process_virtual_memory_bytes 2.76258816e+08
# HELP node_vmstat_thp_split_pmd /proc/vmstat information field thp_split_pmd.
# TYPE node_vmstat_thp_split_pmd untyped
node_vmstat_thp_split_pmd 1
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Follow OpenMetrics reference
OpenMetrics is a standardization of the Prometheus format to export metrics. It should be used as reference for this bundle, as soon as it works with Prometheus.
Doc: https://github.com/OpenObservability/OpenMetrics/blob/master/markdown/metric_exposition_format.md
Todo:
- Escape labels
- Support +Inf, -Inf and NaN
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