Update Go version

* Update Go to 1.20.
* Update minimum Go to 1.19.
* Update Go modules.
* Fix deprecated os/ioutil use.

Signed-off-by: SuperQ <superq@gmail.com>

.circleci/config.yml

@@ -4,7 +4,7 @@ version: 2.1
 jobs:
   lint:
     docker:
-    - image: cimg/go:1.19
+    - image: cimg/go:1.20
     steps:
     - checkout
     - run: make check_license
@@ -55,15 +55,15 @@ workflows:
         matrix:
           parameters:
             go_version:
-            - "1.18"
             - "1.19"
+            - "1.20"
     - test:
         name: test-windows
         os: windows
         run_test: false
         matrix:
           parameters:
             go_version:
-            - "1.18"
             - "1.19"
+            - "1.20"
     - codespell

go.mod

@@ -1,9 +1,9 @@
 module github.com/prometheus/procfs
 
-go 1.18
+go 1.19
 
 require (
 	github.com/google/go-cmp v0.5.9
-	golang.org/x/sync v0.1.0
-	golang.org/x/sys v0.7.0
+	golang.org/x/sync v0.2.0
+	golang.org/x/sys v0.8.0
 )

go.sum

@@ -1,6 +1,6 @@
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
-golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
+golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

sysfs/class_sas_device.go

@@ -17,7 +17,6 @@
 package sysfs
 
 import (
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -53,7 +52,7 @@ var (
 func (fs FS) parseSASDeviceClass(dir string) (SASDeviceClass, error) {
 	path := fs.sys.Path(dir)
 
-	dirs, err := ioutil.ReadDir(path)
+	dirs, err := os.ReadDir(path)
 	if err != nil {
 		return nil, err
 	}
@@ -97,7 +96,7 @@ func (fs FS) parseSASDevice(name string) (*SASDevice, error) {
 
 	devicepath := fs.sys.Path(filepath.Join(sasDeviceClassPath, name, "device"))
 
-	dirs, err := ioutil.ReadDir(devicepath)
+	dirs, err := os.ReadDir(devicepath)
 	if err != nil {
 		return nil, err
 	}
@@ -139,7 +138,7 @@ func (fs FS) blockSASDeviceBlockDevices(name string) ([]string, error) {
 
 	devicepath := fs.sys.Path(filepath.Join(sasDeviceClassPath, name, "device"))
 
-	dirs, err := ioutil.ReadDir(devicepath)
+	dirs, err := os.ReadDir(devicepath)
 	if err != nil {
 		return nil, err
 	}
@@ -148,7 +147,7 @@ func (fs FS) blockSASDeviceBlockDevices(name string) ([]string, error) {
 		if sasTargetDeviceRegexp.MatchString(d.Name()) {
 			targetdir := d.Name()
 
-			subtargets, err := ioutil.ReadDir(filepath.Join(devicepath, targetdir))
+			subtargets, err := os.ReadDir(filepath.Join(devicepath, targetdir))
 			if err != nil {
 				return nil, err
 			}
@@ -160,7 +159,7 @@ func (fs FS) blockSASDeviceBlockDevices(name string) ([]string, error) {
 					continue
 				}
 
-				blocks, err := ioutil.ReadDir(filepath.Join(devicepath, targetdir, targetsubdir.Name(), "block"))
+				blocks, err := os.ReadDir(filepath.Join(devicepath, targetdir, targetsubdir.Name(), "block"))
 				if err != nil {
 					if os.IsNotExist(err) {
 						continue

sysfs/class_sas_host.go

@@ -17,7 +17,7 @@
 package sysfs
 
 import (
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"regexp"
 )
@@ -49,7 +49,7 @@ var (
 func (fs FS) SASHostClass() (SASHostClass, error) {
 	path := fs.sys.Path(sasHostClassPath)
 
-	dirs, err := ioutil.ReadDir(path)
+	dirs, err := os.ReadDir(path)
 	if err != nil {
 		return nil, err
 	}
@@ -75,7 +75,7 @@ func (fs FS) parseSASHost(name string) (*SASHost, error) {
 
 	devicepath := fs.sys.Path(filepath.Join(sasHostClassPath, name, "device"))
 
-	dirs, err := ioutil.ReadDir(devicepath)
+	dirs, err := os.ReadDir(devicepath)
 	if err != nil {
 		return nil, err
 	}

sysfs/class_sas_phy.go

@@ -18,7 +18,6 @@ package sysfs
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -54,7 +53,7 @@ type SASPhyClass map[string]*SASPhy
 func (fs FS) SASPhyClass() (SASPhyClass, error) {
 	path := fs.sys.Path(sasPhyClassPath)
 
-	dirs, err := ioutil.ReadDir(path)
+	dirs, err := os.ReadDir(path)
 	if err != nil {
 		return nil, err
 	}
@@ -88,7 +87,7 @@ func (fs FS) parseSASPhy(name string) (*SASPhy, error) {
 		}
 	}
 
-	files, err := ioutil.ReadDir(phypath)
+	files, err := os.ReadDir(phypath)
 	if err != nil {
 		return nil, err
 	}

sysfs/class_sas_port.go

@@ -17,7 +17,7 @@
 package sysfs
 
 import (
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"regexp"
 )
@@ -52,7 +52,7 @@ var (
 func (fs FS) SASPortClass() (SASPortClass, error) {
 	path := fs.sys.Path(sasPortClassPath)
 
-	dirs, err := ioutil.ReadDir(path)
+	dirs, err := os.ReadDir(path)
 	if err != nil {
 		return nil, err
 	}
@@ -77,7 +77,7 @@ func (fs FS) parseSASPort(name string) (*SASPort, error) {
 
 	portpath := fs.sys.Path(filepath.Join(sasPortClassPath, name, "device"))
 
-	dirs, err := ioutil.ReadDir(portpath)
+	dirs, err := os.ReadDir(portpath)
 	if err != nil {
 		return nil, err
 	}