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2 changes: 1 addition & 1 deletion collector/btrfs_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,7 @@ func (c *btrfsCollector) Update(ch chan<- prometheus.Metric) error {

for _, s := range stats {
// match up procfs and ioctl info by filesystem UUID (without dashes)
var fsUUID = strings.Replace(s.UUID, "-", "", -1)
var fsUUID = strings.ReplaceAll(s.UUID, "-", "")
ioctlStats := ioctlStatsMap[fsUUID]
c.updateBtrfsStats(ch, s, ioctlStats)
}
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2 changes: 1 addition & 1 deletion collector/cpu_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ func NewCPUCollector(logger *slog.Logger) (Collector, error) {
isolcpus, err := sfs.IsolatedCPUs()
if err != nil {
if !os.IsNotExist(err) {
return nil, fmt.Errorf("Unable to get isolated cpus: %w", err)
return nil, fmt.Errorf("unable to get isolated cpus: %w", err)
}
logger.Debug("Could not open isolated file", "error", err)
}
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2 changes: 1 addition & 1 deletion collector/cpu_netbsd.go
Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ func getCPUTemperatures() (map[int]float64, error) {
}

keys := sortFilterSysmonProperties(props, "coretemp")
for idx, _ := range keys {
for idx := range keys {
convertTemperatures(props[keys[idx]], res)
}

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10 changes: 6 additions & 4 deletions collector/ethtool_linux_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -212,16 +212,18 @@ func (e *EthtoolFixture) LinkInfo(intf string) (ethtool.EthtoolCmd, error) {

items := strings.Split(line, ": ")
if items[0] == "Supported pause frame use" {
if items[1] == "Symmetric" {
switch items[1] {
case "Symmetric":
res.Supported |= (1 << unix.ETHTOOL_LINK_MODE_Pause_BIT)
} else if items[1] == "Receive-only" {
case "Receive-only":
res.Supported |= (1 << unix.ETHTOOL_LINK_MODE_Asym_Pause_BIT)
}
}
if items[0] == "Advertised pause frame use" {
if items[1] == "Symmetric" {
switch items[1] {
case "Symmetric":
res.Advertising |= (1 << unix.ETHTOOL_LINK_MODE_Pause_BIT)
} else if items[1] == "Receive-only" {
case "Receive-only":
res.Advertising |= (1 << unix.ETHTOOL_LINK_MODE_Asym_Pause_BIT)
}
}
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4 changes: 2 additions & 2 deletions collector/filesystem_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -215,8 +215,8 @@ func parseFilesystemLabels(r io.Reader) ([]filesystemLabels, error) {

// Ensure we handle the translation of \040 and \011
// as per fstab(5).
parts[4] = strings.Replace(parts[4], "\\040", " ", -1)
parts[4] = strings.Replace(parts[4], "\\011", "\t", -1)
parts[4] = strings.ReplaceAll(parts[4], "\\040", " ")
parts[4] = strings.ReplaceAll(parts[4], "\\011", "\t")

filesystems = append(filesystems, filesystemLabels{
device: parts[m+3],
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2 changes: 1 addition & 1 deletion collector/meminfo_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ func NewMeminfoCollector(logger *slog.Logger) (Collector, error) {
func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
meminfo, err := c.fs.Meminfo()
if err != nil {
return nil, fmt.Errorf("Failed to get memory info: %s", err)
return nil, fmt.Errorf("failed to get memory info: %s", err)
}

metrics := make(map[string]float64)
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2 changes: 1 addition & 1 deletion collector/perf_linux_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ func canTestPerf(t *testing.T) {
if err != nil {
t.Skip("Procfs not mounted, skipping perf tests")
}
paranoidStr := strings.Replace(string(paranoidBytes), "\n", "", -1)
paranoidStr := strings.ReplaceAll(string(paranoidBytes), "\n", "")
paranoid, err := strconv.Atoi(paranoidStr)
if err != nil {
t.Fatalf("Expected perf_event_paranoid to be an int, got: %s", paranoidStr)
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7 changes: 4 additions & 3 deletions collector/systemd_linux_test.go
Original file line number Diff line number Diff line change
Expand Up @@ -122,11 +122,12 @@ func TestSystemdSummary(t *testing.T) {
summary := summarizeUnits(fixtures[0])

for _, state := range unitStatesName {
if state == "inactive" {
switch state {
case "inactive":
testSummaryHelper(t, state, summary[state], 3.0)
} else if state == "active" {
case "active":
testSummaryHelper(t, state, summary[state], 1.0)
} else {
default:
testSummaryHelper(t, state, summary[state], 0.0)
}
}
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2 changes: 1 addition & 1 deletion collector/zfs_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -435,5 +435,5 @@ type zfsSysctl string

func (s zfsSysctl) metricName() string {
parts := strings.Split(string(s), ".")
return strings.Replace(parts[len(parts)-1], "-", "_", -1)
return strings.ReplaceAll(parts[len(parts)-1], "-", "_")
}
2 changes: 1 addition & 1 deletion node_exporter.go
Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,7 @@ func (h *handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if err != nil {
h.logger.Warn("Couldn't create filtered metrics handler:", "err", err)
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte(fmt.Sprintf("Couldn't create filtered metrics handler: %s", err)))
fmt.Fprintf(w, "Couldn't create filtered metrics handler: %s", err)
return
}
filteredHandler.ServeHTTP(w, r)
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