[Misc] Operator: minor fixes

Correct minor typos

internal/controller/metrics.go

@@ -122,7 +122,7 @@ var (
 	}, []string{"name"})
 )
 
-// Create a varaible to hold all the collectors
+// Create a variable to hold all the collectors
 var collectors = []prometheus.Collector{ReconcileErrors, Panics, TenantOperations, depth, adds, latency, workDuration, unfinished, longestRunningProcessor, retries}
 
 // #region capOperatorMetricsProvider

internal/util/metrics-server.go

@@ -1,55 +1,55 @@
-/*
-SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and cap-operator contributors
-SPDX-License-Identifier: Apache-2.0
-*/
-
-package util
-
-import (
-	"net/http"
-	"os"
-
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promauto"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"k8s.io/klog/v2"
-)
-
-// Initalizes the metrics server with default port 9090 and path /metrics based on default prometheus client
-func InitMetricsServer() {
-	// Expose /metrics HTTP endpoint
-	go func() {
-		// Default port
-		metricsPort := "9090"
-
-		// Get Port from env
-		portEnv := os.Getenv("METRICS_PORT")
-		if portEnv != "" {
-			metricsPort = portEnv
-		}
-		http.Handle("/metrics", promhttp.Handler())
-		klog.Fatal(http.ListenAndServe(":"+metricsPort, nil))
-	}()
-}
-
-// Instruments the given HTTP handler with counter (total requests) and gauge (in flight requests) metrics
-func InstrumentHttpHandler(handler func(http.ResponseWriter, *http.Request), metricNamePrefix string, helpTextSuffix string) http.HandlerFunc {
-	klog.InfoS("Instrumenting HTTP handler", "metricPrefix", metricNamePrefix, "helpSuffix", helpTextSuffix)
-	return promhttp.InstrumentHandlerCounter(
-		promauto.NewCounterVec(
-			prometheus.CounterOpts{
-				Name: metricNamePrefix + "_total",
-				Help: "Total " + helpTextSuffix,
-			},
-			[]string{"code", "method"},
-		),
-		promhttp.InstrumentHandlerInFlight(promauto.NewGauge(
-			prometheus.GaugeOpts{
-				Name: metricNamePrefix + "_in_flight",
-				Help: "Current " + helpTextSuffix,
-			},
-		),
-			http.HandlerFunc(handler),
-		),
-	)
-}
+/*
+SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and cap-operator contributors
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package util
+
+import (
+	"net/http"
+	"os"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+	"k8s.io/klog/v2"
+)
+
+// Initializes the metrics server with default port 9090 and path /metrics based on default prometheus client
+func InitMetricsServer() {
+	// Expose /metrics HTTP endpoint
+	go func() {
+		// Default port
+		metricsPort := "9090"
+
+		// Get Port from env
+		portEnv := os.Getenv("METRICS_PORT")
+		if portEnv != "" {
+			metricsPort = portEnv
+		}
+		http.Handle("/metrics", promhttp.Handler())
+		klog.Fatal(http.ListenAndServe(":"+metricsPort, nil))
+	}()
+}
+
+// Instruments the given HTTP handler with counter (total requests) and gauge (in flight requests) metrics
+func InstrumentHttpHandler(handler func(http.ResponseWriter, *http.Request), metricNamePrefix string, helpTextSuffix string) http.HandlerFunc {
+	klog.InfoS("Instrumenting HTTP handler", "metricPrefix", metricNamePrefix, "helpSuffix", helpTextSuffix)
+	return promhttp.InstrumentHandlerCounter(
+		promauto.NewCounterVec(
+			prometheus.CounterOpts{
+				Name: metricNamePrefix + "_total",
+				Help: "Total " + helpTextSuffix,
+			},
+			[]string{"code", "method"},
+		),
+		promhttp.InstrumentHandlerInFlight(promauto.NewGauge(
+			prometheus.GaugeOpts{
+				Name: metricNamePrefix + "_in_flight",
+				Help: "Current " + helpTextSuffix,
+			},
+		),
+			http.HandlerFunc(handler),
+		),
+	)
+}