Update to kube v1.17

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/honnef.co/go/tools/facts/deprecated.go

@@ -0,0 +1,144 @@
+package facts
+
+import (
+	"go/ast"
+	"go/token"
+	"go/types"
+	"reflect"
+	"strings"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+type IsDeprecated struct{ Msg string }
+
+func (*IsDeprecated) AFact()           {}
+func (d *IsDeprecated) String() string { return "Deprecated: " + d.Msg }
+
+type DeprecatedResult struct {
+	Objects  map[types.Object]*IsDeprecated
+	Packages map[*types.Package]*IsDeprecated
+}
+
+var Deprecated = &analysis.Analyzer{
+	Name:       "fact_deprecated",
+	Doc:        "Mark deprecated objects",
+	Run:        deprecated,
+	FactTypes:  []analysis.Fact{(*IsDeprecated)(nil)},
+	ResultType: reflect.TypeOf(DeprecatedResult{}),
+}
+
+func deprecated(pass *analysis.Pass) (interface{}, error) {
+	var names []*ast.Ident
+
+	extractDeprecatedMessage := func(docs []*ast.CommentGroup) string {
+		for _, doc := range docs {
+			if doc == nil {
+				continue
+			}
+			parts := strings.Split(doc.Text(), "\n\n")
+			last := parts[len(parts)-1]
+			if !strings.HasPrefix(last, "Deprecated: ") {
+				continue
+			}
+			alt := last[len("Deprecated: "):]
+			alt = strings.Replace(alt, "\n", " ", -1)
+			return alt
+		}
+		return ""
+	}
+	doDocs := func(names []*ast.Ident, docs []*ast.CommentGroup) {
+		alt := extractDeprecatedMessage(docs)
+		if alt == "" {
+			return
+		}
+
+		for _, name := range names {
+			obj := pass.TypesInfo.ObjectOf(name)
+			pass.ExportObjectFact(obj, &IsDeprecated{alt})
+		}
+	}
+
+	var docs []*ast.CommentGroup
+	for _, f := range pass.Files {
+		docs = append(docs, f.Doc)
+	}
+	if alt := extractDeprecatedMessage(docs); alt != "" {
+		// Don't mark package syscall as deprecated, even though
+		// it is. A lot of people still use it for simple
+		// constants like SIGKILL, and I am not comfortable
+		// telling them to use x/sys for that.
+		if pass.Pkg.Path() != "syscall" {
+			pass.ExportPackageFact(&IsDeprecated{alt})
+		}
+	}
+
+	docs = docs[:0]
+	for _, f := range pass.Files {
+		fn := func(node ast.Node) bool {
+			if node == nil {
+				return true
+			}
+			var ret bool
+			switch node := node.(type) {
+			case *ast.GenDecl:
+				switch node.Tok {
+				case token.TYPE, token.CONST, token.VAR:
+					docs = append(docs, node.Doc)
+					return true
+				default:
+					return false
+				}
+			case *ast.FuncDecl:
+				docs = append(docs, node.Doc)
+				names = []*ast.Ident{node.Name}
+				ret = false
+			case *ast.TypeSpec:
+				docs = append(docs, node.Doc)
+				names = []*ast.Ident{node.Name}
+				ret = true
+			case *ast.ValueSpec:
+				docs = append(docs, node.Doc)
+				names = node.Names
+				ret = false
+			case *ast.File:
+				return true
+			case *ast.StructType:
+				for _, field := range node.Fields.List {
+					doDocs(field.Names, []*ast.CommentGroup{field.Doc})
+				}
+				return false
+			case *ast.InterfaceType:
+				for _, field := range node.Methods.List {
+					doDocs(field.Names, []*ast.CommentGroup{field.Doc})
+				}
+				return false
+			default:
+				return false
+			}
+			if len(names) == 0 || len(docs) == 0 {
+				return ret
+			}
+			doDocs(names, docs)
+
+			docs = docs[:0]
+			names = nil
+			return ret
+		}
+		ast.Inspect(f, fn)
+	}
+
+	out := DeprecatedResult{
+		Objects:  map[types.Object]*IsDeprecated{},
+		Packages: map[*types.Package]*IsDeprecated{},
+	}
+
+	for _, fact := range pass.AllObjectFacts() {
+		out.Objects[fact.Object] = fact.Fact.(*IsDeprecated)
+	}
+	for _, fact := range pass.AllPackageFacts() {
+		out.Packages[fact.Package] = fact.Fact.(*IsDeprecated)
+	}
+
+	return out, nil
+}

vendor/honnef.co/go/tools/facts/generated.go

@@ -0,0 +1,86 @@
+package facts
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+	"os"
+	"reflect"
+	"strings"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+type Generator int
+
+// A list of known generators we can detect
+const (
+	Unknown Generator = iota
+	Goyacc
+	Cgo
+	Stringer
+)
+
+var (
+	// used by cgo before Go 1.11
+	oldCgo = []byte("// Created by cgo - DO NOT EDIT")
+	prefix = []byte("// Code generated ")
+	suffix = []byte(" DO NOT EDIT.")
+	nl     = []byte("\n")
+	crnl   = []byte("\r\n")
+)
+
+func isGenerated(path string) (Generator, bool) {
+	f, err := os.Open(path)
+	if err != nil {
+		return 0, false
+	}
+	defer f.Close()
+	br := bufio.NewReader(f)
+	for {
+		s, err := br.ReadBytes('\n')
+		if err != nil && err != io.EOF {
+			return 0, false
+		}
+		s = bytes.TrimSuffix(s, crnl)
+		s = bytes.TrimSuffix(s, nl)
+		if bytes.HasPrefix(s, prefix) && bytes.HasSuffix(s, suffix) {
+			text := string(s[len(prefix) : len(s)-len(suffix)])
+			switch text {
+			case "by goyacc.":
+				return Goyacc, true
+			case "by cmd/cgo;":
+				return Cgo, true
+			}
+			if strings.HasPrefix(text, `by "stringer `) {
+				return Stringer, true
+			}
+			return Unknown, true
+		}
+		if bytes.Equal(s, oldCgo) {
+			return Cgo, true
+		}
+		if err == io.EOF {
+			break
+		}
+	}
+	return 0, false
+}
+
+var Generated = &analysis.Analyzer{
+	Name: "isgenerated",
+	Doc:  "annotate file names that have been code generated",
+	Run: func(pass *analysis.Pass) (interface{}, error) {
+		m := map[string]Generator{}
+		for _, f := range pass.Files {
+			path := pass.Fset.PositionFor(f.Pos(), false).Filename
+			g, ok := isGenerated(path)
+			if ok {
+				m[path] = g
+			}
+		}
+		return m, nil
+	},
+	RunDespiteErrors: true,
+	ResultType:       reflect.TypeOf(map[string]Generator{}),
+}

vendor/honnef.co/go/tools/facts/purity.go

@@ -0,0 +1,175 @@
+package facts
+
+import (
+	"go/token"
+	"go/types"
+	"reflect"
+
+	"golang.org/x/tools/go/analysis"
+	"honnef.co/go/tools/functions"
+	"honnef.co/go/tools/internal/passes/buildssa"
+	"honnef.co/go/tools/ssa"
+)
+
+type IsPure struct{}
+
+func (*IsPure) AFact()           {}
+func (d *IsPure) String() string { return "is pure" }
+
+type PurityResult map[*types.Func]*IsPure
+
+var Purity = &analysis.Analyzer{
+	Name:       "fact_purity",
+	Doc:        "Mark pure functions",
+	Run:        purity,
+	Requires:   []*analysis.Analyzer{buildssa.Analyzer},
+	FactTypes:  []analysis.Fact{(*IsPure)(nil)},
+	ResultType: reflect.TypeOf(PurityResult{}),
+}
+
+var pureStdlib = map[string]struct{}{
+	"errors.New":                      {},
+	"fmt.Errorf":                      {},
+	"fmt.Sprintf":                     {},
+	"fmt.Sprint":                      {},
+	"sort.Reverse":                    {},
+	"strings.Map":                     {},
+	"strings.Repeat":                  {},
+	"strings.Replace":                 {},
+	"strings.Title":                   {},
+	"strings.ToLower":                 {},
+	"strings.ToLowerSpecial":          {},
+	"strings.ToTitle":                 {},
+	"strings.ToTitleSpecial":          {},
+	"strings.ToUpper":                 {},
+	"strings.ToUpperSpecial":          {},
+	"strings.Trim":                    {},
+	"strings.TrimFunc":                {},
+	"strings.TrimLeft":                {},
+	"strings.TrimLeftFunc":            {},
+	"strings.TrimPrefix":              {},
+	"strings.TrimRight":               {},
+	"strings.TrimRightFunc":           {},
+	"strings.TrimSpace":               {},
+	"strings.TrimSuffix":              {},
+	"(*net/http.Request).WithContext": {},
+}
+
+func purity(pass *analysis.Pass) (interface{}, error) {
+	seen := map[*ssa.Function]struct{}{}
+	ssapkg := pass.ResultOf[buildssa.Analyzer].(*buildssa.SSA).Pkg
+	var check func(ssafn *ssa.Function) (ret bool)
+	check = func(ssafn *ssa.Function) (ret bool) {
+		if ssafn.Object() == nil {
+			// TODO(dh): support closures
+			return false
+		}
+		if pass.ImportObjectFact(ssafn.Object(), new(IsPure)) {
+			return true
+		}
+		if ssafn.Pkg != ssapkg {
+			// Function is in another package but wasn't marked as
+			// pure, ergo it isn't pure
+			return false
+		}
+		// Break recursion
+		if _, ok := seen[ssafn]; ok {
+			return false
+		}
+
+		seen[ssafn] = struct{}{}
+		defer func() {
+			if ret {
+				pass.ExportObjectFact(ssafn.Object(), &IsPure{})
+			}
+		}()
+
+		if functions.IsStub(ssafn) {
+			return false
+		}
+
+		if _, ok := pureStdlib[ssafn.Object().(*types.Func).FullName()]; ok {
+			return true
+		}
+
+		if ssafn.Signature.Results().Len() == 0 {
+			// A function with no return values is empty or is doing some
+			// work we cannot see (for example because of build tags);
+			// don't consider it pure.
+			return false
+		}
+
+		for _, param := range ssafn.Params {
+			if _, ok := param.Type().Underlying().(*types.Basic); !ok {
+				return false
+			}
+		}
+
+		if ssafn.Blocks == nil {
+			return false
+		}
+		checkCall := func(common *ssa.CallCommon) bool {
+			if common.IsInvoke() {
+				return false
+			}
+			builtin, ok := common.Value.(*ssa.Builtin)
+			if !ok {
+				if common.StaticCallee() != ssafn {
+					if common.StaticCallee() == nil {
+						return false
+					}
+					if !check(common.StaticCallee()) {
+						return false
+					}
+				}
+			} else {
+				switch builtin.Name() {
+				case "len", "cap", "make", "new":
+				default:
+					return false
+				}
+			}
+			return true
+		}
+		for _, b := range ssafn.Blocks {
+			for _, ins := range b.Instrs {
+				switch ins := ins.(type) {
+				case *ssa.Call:
+					if !checkCall(ins.Common()) {
+						return false
+					}
+				case *ssa.Defer:
+					if !checkCall(&ins.Call) {
+						return false
+					}
+				case *ssa.Select:
+					return false
+				case *ssa.Send:
+					return false
+				case *ssa.Go:
+					return false
+				case *ssa.Panic:
+					return false
+				case *ssa.Store:
+					return false
+				case *ssa.FieldAddr:
+					return false
+				case *ssa.UnOp:
+					if ins.Op == token.MUL || ins.Op == token.AND {
+						return false
+					}
+				}
+			}
+		}
+		return true
+	}
+	for _, ssafn := range pass.ResultOf[buildssa.Analyzer].(*buildssa.SSA).SrcFuncs {
+		check(ssafn)
+	}
+
+	out := PurityResult{}
+	for _, fact := range pass.AllObjectFacts() {
+		out[fact.Object.(*types.Func)] = fact.Fact.(*IsPure)
+	}
+	return out, nil
+}

vendor/honnef.co/go/tools/facts/token.go

@@ -0,0 +1,24 @@
+package facts
+
+import (
+	"go/ast"
+	"go/token"
+	"reflect"
+
+	"golang.org/x/tools/go/analysis"
+)
+
+var TokenFile = &analysis.Analyzer{
+	Name: "tokenfileanalyzer",
+	Doc:  "creates a mapping of *token.File to *ast.File",
+	Run: func(pass *analysis.Pass) (interface{}, error) {
+		m := map[*token.File]*ast.File{}
+		for _, af := range pass.Files {
+			tf := pass.Fset.File(af.Pos())
+			m[tf] = af
+		}
+		return m, nil
+	},
+	RunDespiteErrors: true,
+	ResultType:       reflect.TypeOf(map[*token.File]*ast.File{}),
+}