enable gofmt and goimports linter (#646)

Signed-off-by: Matthieu MOREL <[email protected]>

Author: mmorel-35

.golangci.yml

@@ -3,6 +3,8 @@ linters:
   enable:
   - errcheck
   - godot
+  - gofmt
+  - goimports
   - gosimple
   - govet
   - ineffassign
@@ -18,5 +20,7 @@ linter-settings:
     exclude:
     # Ignore "See: URL"
     - 'See:'
+  goimports:
+      local-prefixes: github.com/prometheus/procfs
   misspell:
     locale: US

mdstat_test.go

@@ -13,8 +13,11 @@
 
 package procfs
 
-import "testing"
-import "github.com/google/go-cmp/cmp"
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
 
 func TestFS_MDStat(t *testing.T) {
 	fs := getProcFixtures(t)

net_conntrackstat_test.go

@@ -34,7 +34,7 @@ func TestParseConntrackStat(t *testing.T) {
 	}
 
 	want := []ConntrackStatEntry{
-		ConntrackStatEntry{
+		{
 			Entries:       33,
 			Found:         0,
 			Invalid:       3,
@@ -45,7 +45,7 @@ func TestParseConntrackStat(t *testing.T) {
 			EarlyDrop:     0,
 			SearchRestart: 0,
 		},
-		ConntrackStatEntry{
+		{
 			Entries:       33,
 			Found:         0,
 			Invalid:       2,
@@ -56,7 +56,7 @@ func TestParseConntrackStat(t *testing.T) {
 			EarlyDrop:     0,
 			SearchRestart: 2,
 		},
-		ConntrackStatEntry{
+		{
 			Entries:       33,
 			Found:         0,
 			Invalid:       1,
@@ -67,7 +67,7 @@ func TestParseConntrackStat(t *testing.T) {
 			EarlyDrop:     0,
 			SearchRestart: 1,
 		},
-		ConntrackStatEntry{
+		{
 			Entries:       33,
 			Found:         0,
 			Invalid:       47,
@@ -96,7 +96,7 @@ func TestParseOldConntrackStat(t *testing.T) {
 	}
 
 	want := []ConntrackStatEntry{
-		ConntrackStatEntry{
+		{
 			Entries:       43,
 			Searched:      202143,
 			Found:         48658538,

net_udp_test.go

@@ -30,7 +30,7 @@ func Test_newNetUDP(t *testing.T) {
 			name: "udp file found, no error should come up",
 			file: "testdata/fixtures/proc/net/udp",
 			want: []*netIPSocketLine{
-				&netIPSocketLine{
+				{
 					Sl:        0,
 					LocalAddr: net.IP{10, 0, 0, 5},
 					LocalPort: 22,
@@ -43,7 +43,7 @@ func Test_newNetUDP(t *testing.T) {
 					Inode:     2740,
 					Drops:     intToU64(100),
 				},
-				&netIPSocketLine{
+				{
 					Sl:        1,
 					LocalAddr: net.IP{0, 0, 0, 0},
 					LocalPort: 22,
@@ -56,7 +56,7 @@ func Test_newNetUDP(t *testing.T) {
 					Inode:     2740,
 					Drops:     intToU64(100),
 				},
-				&netIPSocketLine{
+				{
 					Sl:        2,
 					LocalAddr: net.IP{0, 0, 0, 0},
 					LocalPort: 22,
@@ -76,7 +76,7 @@ func Test_newNetUDP(t *testing.T) {
 			name: "udp6 file found, no error should come up",
 			file: "testdata/fixtures/proc/net/udp6",
 			want: []*netIPSocketLine{
-				&netIPSocketLine{
+				{
 					Sl:        1315,
 					LocalAddr: net.IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
 					LocalPort: 5355,
@@ -89,7 +89,7 @@ func Test_newNetUDP(t *testing.T) {
 					Inode:     21040,
 					Drops:     intToU64(0),
 				},
-				&netIPSocketLine{
+				{
 					Sl:        6073,
 					LocalAddr: net.IP{254, 128, 0, 0, 0, 0, 0, 0, 86, 225, 173, 255, 254, 124, 102, 9},
 					LocalPort: 51073,

proc_test.go

@@ -257,9 +257,9 @@ func TestFileDescriptorsInfo(t *testing.T) {
 	sort.Sort(fdinfos)
 	var want = ProcFDInfos{
 		ProcFDInfo{FD: "0", Pos: "0", Flags: "02004000", MntID: "13", InotifyInfos: []InotifyInfo{
-			InotifyInfo{WD: "3", Ino: "1", Sdev: "34", Mask: "fce"},
-			InotifyInfo{WD: "2", Ino: "1300016", Sdev: "fd00002", Mask: "fce"},
-			InotifyInfo{WD: "1", Ino: "2e0001", Sdev: "fd00000", Mask: "fce"},
+			{WD: "3", Ino: "1", Sdev: "34", Mask: "fce"},
+			{WD: "2", Ino: "1300016", Sdev: "fd00002", Mask: "fce"},
+			{WD: "1", Ino: "2e0001", Sdev: "fd00000", Mask: "fce"},
 		}},
 		ProcFDInfo{FD: "1", Pos: "0", Flags: "02004002", MntID: "13", InotifyInfos: nil},
 		ProcFDInfo{FD: "10", Pos: "0", Flags: "02004002", MntID: "9", InotifyInfos: nil},

sysfs/class_thermal.go

@@ -23,8 +23,9 @@ import (
 	"strings"
 	"syscall"
 
-	"github.com/prometheus/procfs/internal/util"
 	fsp "io/fs"
+
+	"github.com/prometheus/procfs/internal/util"
 )
 
 // ClassThermalZoneStats contains info from files in /sys/class/thermal/thermal_zone<zone>