Initialize success and error counters (#60)

* Initialize success and error counters

We need to initialize success and error counters properly in order
to avoid having undefined metrics.

Closes: #59

* Add release info

Author: adidenko

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.5.1] - 2023-11-06
+
+### Added
+
+- Bugfix for #59
+
 ## [0.5.0] - 2023-10-11
 
 ### Added

README.md

@@ -1,6 +1,6 @@
 # Minigun
 
-[![Minigun Version](https://img.shields.io/badge/Minigun-0.5.0-7f187f.svg)](https://github.com/wayfair-incubator/minigun/blob/main/CHANGELOG.md)
+[![Minigun Version](https://img.shields.io/badge/Minigun-0.5.1-7f187f.svg)](https://github.com/wayfair-incubator/minigun/blob/main/CHANGELOG.md)
 [![Contributor Covenant](https://img.shields.io/badge/Contributor%20Covenant-2.0-4baaaa.svg)](CODE_OF_CONDUCT.md)
 
 ## About The Project

main.go

@@ -35,7 +35,7 @@ import (
 )
 
 // Constants and vars
-const version = "0.5.0"
+const version = "0.5.1"
 const workersCannelSize = 1024
 const errorBadHTTPCode = "Bad HTTP status code"
 
@@ -516,9 +516,7 @@ func worker(ctx context.Context, id int, config appConfig, comm chan message, st
 				}
 
 			} else {
-
 				config.metrics.requestsSendSuccess.WithLabelValues(config.metrics.labelValues...).Inc()
-
 			}
 		}
 	}

metrics.go

@@ -329,6 +329,8 @@ func initMetrics(config appConfig, labelNames, labelValues []string) appMetrics
 	am.channelConfigLength.WithLabelValues(labelValues...).Set(float64(workersCannelSize))
 	am.channelLength.WithLabelValues(labelValues...).Set(float64(0))
 	am.channelFullEvents.WithLabelValues(labelValues...).Add(0)
+	am.requestsSendSuccess.WithLabelValues(labelValues...).Add(0)
+	am.requestsSendErrors.WithLabelValues(labelValues...).Add(0)
 
 	return am
 }