Update to kube v1.17

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

vendor/honnef.co/go/tools/printf/fuzz.go

@@ -0,0 +1,11 @@
+// +build gofuzz
+
+package printf
+
+func Fuzz(data []byte) int {
+	_, err := Parse(string(data))
+	if err == nil {
+		return 1
+	}
+	return 0
+}

vendor/honnef.co/go/tools/printf/printf.go

@@ -0,0 +1,197 @@
+// Package printf implements a parser for fmt.Printf-style format
+// strings.
+//
+// It parses verbs according to the following syntax:
+//     Numeric -> '0'-'9'
+//     Letter -> 'a'-'z' | 'A'-'Z'
+//     Index -> '[' Numeric+ ']'
+//     Star -> '*'
+//     Star -> Index '*'
+//
+//     Precision -> Numeric+ | Star
+//     Width -> Numeric+ | Star
+//
+//     WidthAndPrecision -> Width '.' Precision
+//     WidthAndPrecision -> Width '.'
+//     WidthAndPrecision -> Width
+//     WidthAndPrecision -> '.' Precision
+//     WidthAndPrecision -> '.'
+//
+//     Flag -> '+' | '-' | '#' | ' ' | '0'
+//     Verb -> Letter | '%'
+//
+//     Input -> '%' [ Flag+ ] [ WidthAndPrecision ] [ Index ] Verb
+package printf
+
+import (
+	"errors"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+// ErrInvalid is returned for invalid format strings or verbs.
+var ErrInvalid = errors.New("invalid format string")
+
+type Verb struct {
+	Letter rune
+	Flags  string
+
+	Width     Argument
+	Precision Argument
+	// Which value in the argument list the verb uses.
+	// -1 denotes the next argument,
+	// values > 0 denote explicit arguments.
+	// The value 0 denotes that no argument is consumed. This is the case for %%.
+	Value int
+
+	Raw string
+}
+
+// Argument is an implicit or explicit width or precision.
+type Argument interface {
+	isArgument()
+}
+
+// The Default value, when no width or precision is provided.
+type Default struct{}
+
+// Zero is the implicit zero value.
+// This value may only appear for precisions in format strings like %6.f
+type Zero struct{}
+
+// Star is a * value, which may either refer to the next argument (Index == -1) or an explicit argument.
+type Star struct{ Index int }
+
+// A Literal value, such as 6 in %6d.
+type Literal int
+
+func (Default) isArgument() {}
+func (Zero) isArgument()    {}
+func (Star) isArgument()    {}
+func (Literal) isArgument() {}
+
+// Parse parses f and returns a list of actions.
+// An action may either be a literal string, or a Verb.
+func Parse(f string) ([]interface{}, error) {
+	var out []interface{}
+	for len(f) > 0 {
+		if f[0] == '%' {
+			v, n, err := ParseVerb(f)
+			if err != nil {
+				return nil, err
+			}
+			f = f[n:]
+			out = append(out, v)
+		} else {
+			n := strings.IndexByte(f, '%')
+			if n > -1 {
+				out = append(out, f[:n])
+				f = f[n:]
+			} else {
+				out = append(out, f)
+				f = ""
+			}
+		}
+	}
+
+	return out, nil
+}
+
+func atoi(s string) int {
+	n, _ := strconv.Atoi(s)
+	return n
+}
+
+// ParseVerb parses the verb at the beginning of f.
+// It returns the verb, how much of the input was consumed, and an error, if any.
+func ParseVerb(f string) (Verb, int, error) {
+	if len(f) < 2 {
+		return Verb{}, 0, ErrInvalid
+	}
+	const (
+		flags = 1
+
+		width      = 2
+		widthStar  = 3
+		widthIndex = 5
+
+		dot       = 6
+		prec      = 7
+		precStar  = 8
+		precIndex = 10
+
+		verbIndex = 11
+		verb      = 12
+	)
+
+	m := re.FindStringSubmatch(f)
+	if m == nil {
+		return Verb{}, 0, ErrInvalid
+	}
+
+	v := Verb{
+		Letter: []rune(m[verb])[0],
+		Flags:  m[flags],
+		Raw:    m[0],
+	}
+
+	if m[width] != "" {
+		// Literal width
+		v.Width = Literal(atoi(m[width]))
+	} else if m[widthStar] != "" {
+		// Star width
+		if m[widthIndex] != "" {
+			v.Width = Star{atoi(m[widthIndex])}
+		} else {
+			v.Width = Star{-1}
+		}
+	} else {
+		// Default width
+		v.Width = Default{}
+	}
+
+	if m[dot] == "" {
+		// default precision
+		v.Precision = Default{}
+	} else {
+		if m[prec] != "" {
+			// Literal precision
+			v.Precision = Literal(atoi(m[prec]))
+		} else if m[precStar] != "" {
+			// Star precision
+			if m[precIndex] != "" {
+				v.Precision = Star{atoi(m[precIndex])}
+			} else {
+				v.Precision = Star{-1}
+			}
+		} else {
+			// Zero precision
+			v.Precision = Zero{}
+		}
+	}
+
+	if m[verb] == "%" {
+		v.Value = 0
+	} else if m[verbIndex] != "" {
+		v.Value = atoi(m[verbIndex])
+	} else {
+		v.Value = -1
+	}
+
+	return v, len(m[0]), nil
+}
+
+const (
+	flags             = `([+#0 -]*)`
+	verb              = `([a-zA-Z%])`
+	index             = `(?:\[([0-9]+)\])`
+	star              = `((` + index + `)?\*)`
+	width1            = `([0-9]+)`
+	width2            = star
+	width             = `(?:` + width1 + `|` + width2 + `)`
+	precision         = width
+	widthAndPrecision = `(?:(?:` + width + `)?(?:(\.)(?:` + precision + `)?)?)`
+)
+
+var re = regexp.MustCompile(`^%` + flags + widthAndPrecision + `?` + index + `?` + verb)