v3 migration

.github/labeler.yml

@@ -1,21 +1,32 @@
+v3:
+  - v3/**/*.go
 package:cpu:
   - cpu/*
+  - v3/cpu/*
 package:disk:
   - disk/*
+  - v3/disk/*
 package:docker:
   - docker/*
+  - v3/docker/*
 package:host:
   - host/*
+  - v3/host/*
 package:load:
   - load/*
+  - v3/load/*
 package:mem:
   - mem/*
+  - v3/mem/*
 package:net:
   - net/*
+  - v3/net/*
 package:process:
   - process/*
+  - v3/process/*
 package:winservices:
   - winservices/*
+  - v3/winservices/*
 os:linux:
   - ./**/*_linux.go
   - ./**/*_linux_mips64.go

README.rst

@@ -13,6 +13,10 @@ gopsutil: psutil for golang
 This is a port of psutil (https://github.com/giampaolo/psutil). The challenge is porting all
 psutil functions on some architectures.
 
+v3 migration
+---------------
+
+from v3.20.10, gopsutil becomes v3 which breaks backawards compatiblity. See [v3Changes.md](_tools/v3migration/v3Changes.md) more detail changes.
 
 Tag semantics
 -------------------------
@@ -51,7 +55,6 @@ All works are implemented without cgo by porting c struct to golang struct.
 Usage
 ---------
 
-Note: gopsutil v2 breaks compatibility. If you want to stay with compatibility, please use v1 branch and vendoring.
 
 .. code:: go
 
@@ -60,7 +63,8 @@ Note: gopsutil v2 breaks compatibility. If you want to stay with compatibility,
    import (
        "fmt"
 
-       "github.com/shirou/gopsutil/mem"
+       "github.com/shirou/gopsutil/v3/mem"
+       // "github.com/shirou/gopsutil/mem"  // to use v2
    )
 
    func main() {
@@ -101,7 +105,7 @@ see http://godoc.org/github.com/shirou/gopsutil
 Requirements
 -----------------
 
-- go1.7 or above is required.
+- go1.11 or above is required.
 
 
 More Info

_tools/v3migration/v3Changes.md

@@ -0,0 +1,17 @@
+# v2 to v3 changes
+
+- v3 is in the `v3` directory
+
+- [process] RLimit is now uint64 (#364)
+- [process] Remove process.NetIOCounters (#429)
+- [docker] fix typo of memoryLimitInBbytes  (#464)
+- [mem] VirtualMemoryStat JSON fields capitalization (#545)
+  - various JSON field name and some of Variable name have been changed. see v3migration.sh
+- [all] various kind of platform dependent values/constants such as process.GetWin32Proc is now private. see v3migration.sh
+- [process] process.Status() now returns []string. and status string is "Running", not just "R". defined in process.go. (#596)
+- [docker] `CgroupCPU()` now returns `*CgroupCPUStat` with Usage  (#590 and #581)
+- [disk] `disk.Opts` is now string[], not string. (related to #955)
+- [host] Fixed temperature sensors detection in Linux (#905)
+- [disk] `GetDiskSerialNumber()` is now `SerialNumber()` and spread to all platform
+- [disk] `GetLabel ()` is now `Label()` and spread to all platform
+- [net] Change net.InterfaceStat.Addrs to InterfaceAddrList (#226)

_tools/v3migration/v3migration.go

@@ -0,0 +1,107 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"go/ast"
+	"go/format"
+	"go/parser"
+	"go/token"
+	"log"
+	"os"
+
+	"golang.org/x/tools/go/ast/astutil"
+)
+
+// https://github.com/shirou/gopsutil/issues/429
+func issue429() error {
+	f := func(filename string) error {
+		fset := token.NewFileSet()
+		expr, err := parser.ParseFile(fset, filename, nil, parser.ParseComments)
+		if err != nil {
+			return err
+		}
+		n := astutil.Apply(expr, func(cr *astutil.Cursor) bool {
+			if cr.Name() == "Decls" {
+				switch n := cr.Node().(type) {
+				case *ast.FuncDecl:
+					if n.Name.Name == "NetIOCounters" || n.Name.Name == ("NetIOCountersWithContext") {
+						cr.Delete()
+					}
+				}
+			}
+			return true
+		}, nil)
+		return replace(filename, fset, n)
+	}
+
+	root := "process/"
+	fnames := []string{"process.go", "process_darwin.go", "process_fallback.go", "process_freebsd.go", "process_linux.go", "process_openbsd.go", "process_bsd.go", "process_posix.go", "process_windows.go", "process_test.go"}
+	for _, fname := range fnames {
+		if err := f(root + fname); err != nil {
+			log.Fatalln("run 429:", err)
+		}
+	}
+	return nil
+}
+
+func issueRemoveUnusedValue() error {
+	f := func(filename string) error {
+		fset := token.NewFileSet()
+		expr, err := parser.ParseFile(fset, filename, nil, parser.ParseComments)
+		if err != nil {
+			return err
+		}
+		n := astutil.Apply(expr, func(cr *astutil.Cursor) bool {
+			if cr.Name() == "Decls" {
+				switch n := cr.Node().(type) {
+				case *ast.GenDecl:
+					if n.Tok != token.TYPE {
+						break
+					}
+					ts := n.Specs[0].(*ast.TypeSpec)
+					if ts.Name.Name == "SystemProcessInformation" {
+						cr.Delete()
+					}
+				}
+			}
+			return true
+		}, nil)
+		return replace(filename, fset, n)
+	}
+
+	if err := f("process/process_windows.go"); err != nil {
+		log.Fatalln("run 429:", err)
+	}
+	return nil
+}
+
+func replace(filename string, fset *token.FileSet, n ast.Node) error {
+	if err := os.Remove(filename); err != nil {
+		return err
+	}
+	fp, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer fp.Close()
+	if err := format.Node(fp, fset, n); err != nil {
+		return err
+	}
+	fp.WriteString("\n")
+	return nil
+}
+
+func main() {
+	flag.Parse()
+	for _, n := range flag.Args() {
+		fmt.Println("issue:" + n)
+		switch n {
+		case "429":
+			issue429()
+		case "issueRemoveUnusedValue":
+			issueRemoveUnusedValue()
+		}
+	}
+
+}

_tools/v3migration/v3migration.sh

@@ -0,0 +1,174 @@
+#!/usr/bin/env bash
+
+set -eu
+
+# this scripts is used when migrating v2 to v3.
+# usage: cd ${GOPATH}/src/github.com/shirou/gopsutil && bash tools/v3migration/v3migration.sh
+
+
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+ROOT=$(cd ${DIR}/../.. && pwd)
+
+
+## 1. refresh
+cd ${ROOT}
+
+/bin/rm -rf v3
+
+## 2. copy directories
+# docker is removed, #464 will be fixed
+mkdir -p v3
+cp -rp cpu disk docker host internal load mem net process winservices v3
+cp Makefile v3
+
+# build migartion tool
+go build -o v3/v3migration ${DIR}/v3migration.go
+
+
+V3DIR=$(cd ${ROOT}/v3 && pwd)
+cd ${V3DIR}
+
+## 3. mod
+go mod init
+
+###  change import path
+find . -name "*.go" | xargs -I@ sed -i 's|"github.com/shirou/gopsutil/|"github.com/shirou/gopsutil/v3/|g' @
+
+############ Issues
+
+# #429 process.NetIOCounters is pointless on Linux
+./v3migration `pwd` 429
+sed -i '/NetIOCounters/d' process/process.go
+sed -i "/github.com\/shirou\/gopsutil\/v3\/net/d" process/process_bsd.go
+
+
+# #464 CgroupMem : fix typo and wrong file names
+sed -i 's|memoryLimitInBbytes|memoryLimitInBytes|g' docker/docker.go
+sed -i 's|memoryLimitInBbytes|memory.limit_in_bytes|g' docker/docker_linux.go
+sed -i 's|memoryFailcnt|memory.failcnt|g' docker/docker_linux.go
+
+
+# fix #346
+sed -i 's/Soft     int32/Soft     uint64/' process/process.go
+sed -i 's/Hard     int32/Hard     uint64/' process/process.go
+sed -i 's| //TODO too small. needs to be uint64||' process/process.go
+sed -i 's|limitToInt(val string) (int32, error)|limitToUint(val string) (uint64, error)|' process/process_*.go
+sed -i 's|limitToInt|limitToUint|' process/process_*.go
+sed -i 's|return int32(res), nil|return uint64(res), nil|' process/process_*.go
+sed -i 's|math.MaxInt32|math.MaxUint64|' process/process_*.go
+
+# fix #545
+# variable names
+sed -i 's|WritebackTmp|WriteBackTmp|g' mem/*.go
+sed -i 's|Writeback|WriteBack|g' mem/*.go
+sed -i 's|SReclaimable|Sreclaimable|g' mem/*.go
+sed -i 's|SUnreclaim|Sunreclaim|g' mem/*.go
+sed -i 's|VMallocTotal|VmallocTotal|g' mem/*.go
+sed -i 's|VMallocUsed|VmallocUsed|g' mem/*.go
+sed -i 's|VMallocChunk|VmallocChunk|g' mem/*.go
+
+# json field name
+sed -i 's|hostid|hostId|g' host/host.go
+sed -i 's|hostid|hostId|g' host/host_test.go
+sed -i 's|sensorTemperature|temperature|g' host/host.go
+sed -i 's|sensorTemperature|temperature|g' host/host_test.go
+
+sed -i 's|writeback|writeBack|g' mem/*.go
+sed -i 's|writeBacktmp|writeBackTmp|g' mem/*.go
+sed -i 's|pagetables|pageTables|g' mem/*.go
+sed -i 's|swapcached|swapCached|g' mem/*.go
+sed -i 's|commitlimit|commitLimit|g' mem/*.go
+sed -i 's|committedas|committedAS|g' mem/*.go
+sed -i 's|hightotal|highTotal|g' mem/*.go
+sed -i 's|highfree|highFree|g' mem/*.go
+sed -i 's|lowtotal|lowTotal|g' mem/*.go
+sed -i 's|lowfree|lowFree|g' mem/*.go
+sed -i 's|swaptotal|swapTotal|g' mem/*.go
+sed -i 's|swapfree|swapFree|g' mem/*.go
+sed -i 's|vmalloctotal|vmallocTotal|g' mem/*.go
+sed -i 's|vmallocused|vmallocUsed|g' mem/*.go
+sed -i 's|vmallocchunk|vmallocChunk|g' mem/*.go
+sed -i 's|hugepagestotal|hugePagesTotal|g' mem/*.go
+sed -i 's|hugepagesfree|hugePagesFree|g' mem/*.go
+sed -i 's|hugepagesize|hugePageSize|g' mem/*.go
+sed -i 's|pgin|pgIn|g' mem/*.go
+sed -i 's|pgout|pgOut|g' mem/*.go
+sed -i 's|pgfault|pgFault|g' mem/*.go
+sed -i 's|pgmajfault|pgMajFault|g' mem/*.go
+
+sed -i 's|hardwareaddr|hardwareAddr|g' net/*.go
+sed -i 's|conntrackCount|connTrackCount|g' net/*.go
+sed -i 's|conntrackMax|connTrackMax|g' net/*.go
+sed -i 's|delete_list|deleteList|g' net/*.go
+sed -i 's|insert_failed|insertFailed|g' net/*.go
+sed -i 's|early_drop|earlyDrop|g' net/*.go
+sed -i 's|expect_create|expectCreate|g' net/*.go
+sed -i 's|expect_delete|expectDelete|g' net/*.go
+sed -i 's|search_restart|searchRestart|g' net/*.go
+sed -i 's|icmp_error|icmpError|g' net/*.go
+sed -i 's|expect_new|expectNew|g' net/*.go
+
+
+
+# fix no more public API/types/constants defined only for some platforms
+
+sed -i 's|CTLKern|ctlKern|g' cpu/*.go
+sed -i 's|CPNice|cpNice|g' cpu/*.go
+sed -i 's|CPSys|cpSys|g' cpu/*.go
+sed -i 's|CPIntr|cpIntr|g' cpu/*.go
+sed -i 's|CPIdle|cpIdle|g' cpu/*.go
+sed -i 's|CPUStates|cpUStates|g' cpu/*.go
+sed -i 's|CTLKern|ctlKern|g' cpu/cpu_openbsd.go
+sed -i 's|CTLHw|ctlHw|g' cpu/cpu_openbsd.go
+sed -i 's|SMT|sMT|g' cpu/cpu_openbsd.go
+sed -i 's|KernCptime|kernCptime|g' cpu/cpu_openbsd.go
+sed -i 's|KernCptime2|kernCptime2|g' cpu/cpu_openbsd.go
+sed -i 's|Win32_Processor|win32Processor|g' cpu/cpu_windows.go
+
+sed -i 's|DEVSTAT_NO_DATA|devstat_NO_DATA|g' disk/*.go
+sed -i 's|DEVSTAT_READ|devstat_READ|g' disk/*.go
+sed -i 's|DEVSTAT_WRITE|devstat_WRITE|g' disk/*.go
+sed -i 's|DEVSTAT_FREE|devstat_FREE|g' disk/*.go
+sed -i 's|Devstat|devstat|g' disk/*.go
+sed -i 's|Bintime|bintime|g' disk/*.go
+sed -i 's|SectorSize|sectorSize|g' disk/disk_linux.go
+sed -i 's|FileFileCompression|fileFileCompression|g' disk/disk_windows.go
+sed -i 's|FileReadOnlyVolume|fileReadOnlyVolume|g' disk/disk_windows.go
+
+sed -i 's|USER_PROCESS|user_PROCESS|g' host/host_*.go
+sed -i 's|LSB|lsbStruct|g' host/host_linux*
+
+sed -i 's| BcacheStats | bcacheStats |g' mem/*.go
+
+sed -i 's|TCPStatuses|tcpStatuses|g' net/*.go
+sed -i 's|CT_ENTRIES|ctENTRIES|g' net/net_linux.go
+sed -i 's|CT_SEARCHED|ctSEARCHED|g' net/net_linux.go
+sed -i 's|CT_FOUND|ctFOUND|g' net/net_linux.go
+sed -i 's|CT_NEW|ctNEW|g' net/net_linux.go
+sed -i 's|CT_INVALID|ctINVALID|g' net/net_linux.go
+sed -i 's|CT_IGNORE|ctIGNORE|g' net/net_linux.go
+sed -i 's|CT_DELETE|ctDELETE|g' net/net_linux.go
+sed -i 's|CT_DELETE_LIST|ctDELETE_LIST|g' net/net_linux.go
+sed -i 's|CT_INSERT|ctINSERT|g' net/net_linux.go
+sed -i 's|CT_INSERT_FAILED|ctINSERT_FAILED|g' net/net_linux.go
+sed -i 's|CT_DROP|ctDROP|g' net/net_linux.go
+sed -i 's|CT_EARLY_DROP|ctEARLY_DROP|g' net/net_linux.go
+sed -i 's|CT_ICMP_ERROR|ctICMP_ERROR|g' net/net_linux.go
+sed -i 's|CT_EXPECT_NEW|ctEXPECT_NEW|g' net/net_linux.go
+sed -i 's|CT_EXPECT_CREATE|ctEXPECT_CREATE|g' net/net_linux.go
+sed -i 's|CT_EXPECT_DELETE|ctEXPECT_DELETE|g' net/net_linux.go
+sed -i 's|CT_SEARCH_RESTART|ctSEARCH_RESTART|g' net/net_linux.go
+
+sed -i 's|PageSize|pageSize|g' process/process_*.go
+sed -i 's|PrioProcess|prioProcess|g' process/process_*.go
+sed -i 's|ClockTicks|clockTicks|g' process/process_*.go
+
+
+./v3migration `pwd` issueRemoveUnusedValue
+
+
+############ SHOULD BE FIXED BY HAND
+
+
+