update procfs to v0.0.2 (#1376)

Signed-off-by: Paul Gier <pgier@redhat.com>

collector/buddyinfo.go

@@ -55,7 +55,7 @@ func NewBuddyinfoCollector() (Collector, error) {
 // Update calls (*buddyinfoCollector).getBuddyInfo to get the platform specific
 // buddyinfo metrics.
 func (c *buddyinfoCollector) Update(ch chan<- prometheus.Metric) error {
-	buddyInfo, err := c.fs.NewBuddyInfo()
+	buddyInfo, err := c.fs.BuddyInfo()
 	if err != nil {
 		return fmt.Errorf("couldn't get buddyinfo: %s", err)
 	}

collector/cpu_linux.go

@@ -155,7 +155,7 @@ func (c *cpuCollector) updateThermalThrottle(ch chan<- prometheus.Metric) error
 
 // updateStat reads /proc/stat through procfs and exports cpu related metrics.
 func (c *cpuCollector) updateStat(ch chan<- prometheus.Metric) error {
-	stats, err := c.fs.NewStat()
+	stats, err := c.fs.Stat()
 	if err != nil {
 		return err
 	}

collector/cpufreq_linux.go

@@ -80,7 +80,7 @@ func NewCPUFreqCollector() (Collector, error) {
 
 // Update implements Collector and exposes cpu related metrics from /proc/stat and /sys/.../cpu/.
 func (c *cpuFreqCollector) Update(ch chan<- prometheus.Metric) error {
-	cpuFreqs, err := c.fs.NewSystemCpufreq()
+	cpuFreqs, err := c.fs.SystemCpufreq()
 	if err != nil {
 		return err
 	}

collector/ipvs_linux.go

@@ -106,7 +106,7 @@ func newIPVSCollector() (*ipvsCollector, error) {
 }
 
 func (c *ipvsCollector) Update(ch chan<- prometheus.Metric) error {
-	ipvsStats, err := c.fs.NewIPVSStats()
+	ipvsStats, err := c.fs.IPVSStats()
 	if err != nil {
 		// Cannot access ipvs metrics, report no error.
 		if os.IsNotExist(err) {
@@ -121,7 +121,7 @@ func (c *ipvsCollector) Update(ch chan<- prometheus.Metric) error {
 	ch <- c.incomingBytes.mustNewConstMetric(float64(ipvsStats.IncomingBytes))
 	ch <- c.outgoingBytes.mustNewConstMetric(float64(ipvsStats.OutgoingBytes))
 
-	backendStats, err := c.fs.NewIPVSBackendStatus()
+	backendStats, err := c.fs.IPVSBackendStatus()
 	if err != nil {
 		return fmt.Errorf("could not get backend status: %s", err)
 	}

collector/netclass_linux.go

@@ -169,7 +169,7 @@ func pushMetric(ch chan<- prometheus.Metric, subsystem string, name string, valu
 }
 
 func (c *netClassCollector) getNetClassInfo() (sysfs.NetClass, error) {
-	netClass, err := c.fs.NewNetClass()
+	netClass, err := c.fs.NetClass()
 
 	if err != nil {
 		return netClass, fmt.Errorf("error obtaining net class info: %s", err)

collector/pressure_linux.go

@@ -82,7 +82,7 @@ func NewPressureStatsCollector() (Collector, error) {
 func (c *pressureStatsCollector) Update(ch chan<- prometheus.Metric) error {
 	for _, res := range psiResources {
 		log.Debugf("collecting statistics for resource: %s", res)
-		vals, err := c.fs.NewPSIStatsForResource(res)
+		vals, err := c.fs.PSIStatsForResource(res)
 		if err != nil {
 			log.Debug("pressure information is unavailable, you need a Linux kernel >= 4.20 and/or CONFIG_PSI enabled for your kernel")
 			return nil

collector/processes_linux.go

@@ -105,7 +105,7 @@ func (c *processCollector) getAllocatedThreads() (int, map[string]int32, int, er
 	thread := 0
 	procStates := make(map[string]int32)
 	for _, pid := range p {
-		stat, err := pid.NewStat()
+		stat, err := pid.Stat()
 		// PIDs can vanish between getting the list and getting stats.
 		if os.IsNotExist(err) {
 			log.Debugf("file not found when retrieving stats for pid %v: %q", pid, err)

collector/stat_linux.go

@@ -80,7 +80,7 @@ func NewStatCollector() (Collector, error) {
 
 // Update implements Collector and exposes kernel and system statistics.
 func (c *statCollector) Update(ch chan<- prometheus.Metric) error {
-	stats, err := c.fs.NewStat()
+	stats, err := c.fs.Stat()
 	if err != nil {
 		return err
 	}