Fix some golint issues (#927)

* collector/cpu_*: rename nodeCpuSecondsDesc to nodeCPUSecondsDesc

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

* collector/qdisc_linux.go: add NewQdiscStatCollector comment

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

* collector/cpu_linux.go: rename core_map to coreMap

Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>

7 files changed, 9 insertions, 8 deletions

diff --git a/collector/cpu_common.go b/collector/cpu_common.go
index 6a540f4..1a78607 100644
--- a/collector/cpu_common.go
+++ b/collector/cpu_common.go
@@ -24,7 +24,7 @@ const (
 )
 
 var (
-        nodeCpuSecondsDesc = prometheus.NewDesc(
+        nodeCPUSecondsDesc = prometheus.NewDesc(
                 prometheus.BuildFQName(namespace, cpuCollectorSubsystem, "seconds_total"),
                 "Seconds the cpus spent in each mode.",
                 []string{"cpu", "mode"}, nil,
diff --git a/collector/cpu_darwin.go b/collector/cpu_darwin.go
index caa59f8..74afafd 100644
--- a/collector/cpu_darwin.go
+++ b/collector/cpu_darwin.go
@@ -59,7 +59,7 @@ func init() {
 // NewCPUCollector returns a new Collector exposing CPU stats.
 func NewCPUCollector() (Collector, error) {
         return &statCollector{
-                cpu: nodeCpuSecondsDesc,
+                cpu: nodeCPUSecondsDesc,
         }, nil
 }
 
diff --git a/collector/cpu_dragonfly.go b/collector/cpu_dragonfly.go
index 76ae33b..eb7f8f8 100644
--- a/collector/cpu_dragonfly.go
+++ b/collector/cpu_dragonfly.go
@@ -94,7 +94,7 @@ func init() {
 // NewStatCollector returns a new Collector exposing CPU stats.
 func NewStatCollector() (Collector, error) {
         return &statCollector{
-                cpu: nodeCpuSecondsDesc,
+                cpu: nodeCPUSecondsDesc,
         }, nil
 }
 
diff --git a/collector/cpu_freebsd.go b/collector/cpu_freebsd.go
index e99174a..e8d2fb9 100644
--- a/collector/cpu_freebsd.go
+++ b/collector/cpu_freebsd.go
@@ -92,7 +92,7 @@ func init() {
 // NewStatCollector returns a new Collector exposing CPU stats.
 func NewStatCollector() (Collector, error) {
         return &statCollector{
-                cpu: typedDesc{nodeCpuSecondsDesc, prometheus.CounterValue},
+                cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue},
                 temp: typedDesc{prometheus.NewDesc(
                         prometheus.BuildFQName(namespace, cpuCollectorSubsystem, "temperature_celsius"),
                         "CPU temperature",
diff --git a/collector/cpu_linux.go b/collector/cpu_linux.go
index f935456..e79d00c 100644
--- a/collector/cpu_linux.go
+++ b/collector/cpu_linux.go
@@ -49,7 +49,7 @@ func init() {
 // NewCPUCollector returns a new Collector exposing kernel/system statistics.
 func NewCPUCollector() (Collector, error) {
         return &cpuCollector{
-                cpu: nodeCpuSecondsDesc,
+                cpu: nodeCPUSecondsDesc,
                 cpuGuest: prometheus.NewDesc(
                         prometheus.BuildFQName(namespace, cpuCollectorSubsystem, "guest_seconds_total"),
                         "Seconds the cpus spent in guests (VMs) for each mode.",
@@ -185,8 +185,8 @@ func (c *cpuCollector) updateCPUfreq(ch chan<- prometheus.Metric) error {
                         strconv.FormatUint(physicalPackageID, 10))
         }
 
-        for physicalPackageID, core_map := range packageCoreThrottles {
-                for coreID, coreThrottleCount := range core_map {
+        for physicalPackageID, coreMap := range packageCoreThrottles {
+                for coreID, coreThrottleCount := range coreMap {
                         ch <- prometheus.MustNewConstMetric(c.cpuCoreThrottle,
                                 prometheus.CounterValue,
                                 float64(coreThrottleCount),
diff --git a/collector/cpu_openbsd.go b/collector/cpu_openbsd.go
index 0b05d55..e9b102f 100644
--- a/collector/cpu_openbsd.go
+++ b/collector/cpu_openbsd.go
@@ -39,7 +39,7 @@ func init() {
 
 func NewCpuCollector() (Collector, error) {
         return &cpuCollector{
-                cpu: typedDesc{nodeCpuSecondsDesc, prometheus.CounterValue},
+                cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue},
         }, nil
 }
 
diff --git a/collector/qdisc_linux.go b/collector/qdisc_linux.go
index d96e7bd..74757b3 100644
--- a/collector/qdisc_linux.go
+++ b/collector/qdisc_linux.go
@@ -41,6 +41,7 @@ func init() {
         registerCollector("qdisc", defaultDisabled, NewQdiscStatCollector)
 }
 
+// NewQdiscStatCollector returns a new Collector exposing queuing discipline statistics.
 func NewQdiscStatCollector() (Collector, error) {
         return &qdiscStatCollector{
                 bytes: typedDesc{prometheus.NewDesc(