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chore: update docker and k8s

This commit is contained in:
Ludovic Fernandez 2019-08-05 18:24:03 +02:00 committed by Traefiker Bot
parent 2b5c7f9e91
commit c2d440a914
1283 changed files with 67741 additions and 27918 deletions

View file

@ -31,8 +31,8 @@ import (
"strconv"
"strings"
"github.com/golang/glog"
"golang.org/x/net/http2"
"k8s.io/klog"
)
// JoinPreservingTrailingSlash does a path.Join of the specified elements,
@ -68,14 +68,17 @@ func IsProbableEOF(err error) bool {
if uerr, ok := err.(*url.Error); ok {
err = uerr.Err
}
msg := err.Error()
switch {
case err == io.EOF:
return true
case err.Error() == "http: can't write HTTP request on broken connection":
case msg == "http: can't write HTTP request on broken connection":
return true
case strings.Contains(err.Error(), "connection reset by peer"):
case strings.Contains(msg, "http2: server sent GOAWAY and closed the connection"):
return true
case strings.Contains(strings.ToLower(err.Error()), "use of closed network connection"):
case strings.Contains(msg, "connection reset by peer"):
return true
case strings.Contains(strings.ToLower(msg), "use of closed network connection"):
return true
}
return false
@ -91,7 +94,8 @@ func SetOldTransportDefaults(t *http.Transport) *http.Transport {
// ProxierWithNoProxyCIDR allows CIDR rules in NO_PROXY
t.Proxy = NewProxierWithNoProxyCIDR(http.ProxyFromEnvironment)
}
if t.DialContext == nil {
// If no custom dialer is set, use the default context dialer
if t.DialContext == nil && t.Dial == nil {
t.DialContext = defaultTransport.DialContext
}
if t.TLSHandshakeTimeout == 0 {
@ -106,10 +110,10 @@ func SetTransportDefaults(t *http.Transport) *http.Transport {
t = SetOldTransportDefaults(t)
// Allow clients to disable http2 if needed.
if s := os.Getenv("DISABLE_HTTP2"); len(s) > 0 {
glog.Infof("HTTP2 has been explicitly disabled")
klog.Infof("HTTP2 has been explicitly disabled")
} else {
if err := http2.ConfigureTransport(t); err != nil {
glog.Warningf("Transport failed http2 configuration: %v", err)
klog.Warningf("Transport failed http2 configuration: %v", err)
}
}
return t
@ -129,7 +133,18 @@ func DialerFor(transport http.RoundTripper) (DialFunc, error) {
switch transport := transport.(type) {
case *http.Transport:
return transport.DialContext, nil
// transport.DialContext takes precedence over transport.Dial
if transport.DialContext != nil {
return transport.DialContext, nil
}
// adapt transport.Dial to the DialWithContext signature
if transport.Dial != nil {
return func(ctx context.Context, net, addr string) (net.Conn, error) {
return transport.Dial(net, addr)
}, nil
}
// otherwise return nil
return nil, nil
case RoundTripperWrapper:
return DialerFor(transport.WrappedRoundTripper())
default:
@ -167,10 +182,8 @@ func FormatURL(scheme string, host string, port int, path string) *url.URL {
}
func GetHTTPClient(req *http.Request) string {
if userAgent, ok := req.Header["User-Agent"]; ok {
if len(userAgent) > 0 {
return userAgent[0]
}
if ua := req.UserAgent(); len(ua) != 0 {
return ua
}
return "unknown"
}
@ -311,9 +324,10 @@ type Dialer interface {
// ConnectWithRedirects uses dialer to send req, following up to 10 redirects (relative to
// originalLocation). It returns the opened net.Conn and the raw response bytes.
func ConnectWithRedirects(originalMethod string, originalLocation *url.URL, header http.Header, originalBody io.Reader, dialer Dialer) (net.Conn, []byte, error) {
// If requireSameHostRedirects is true, only redirects to the same host are permitted.
func ConnectWithRedirects(originalMethod string, originalLocation *url.URL, header http.Header, originalBody io.Reader, dialer Dialer, requireSameHostRedirects bool) (net.Conn, []byte, error) {
const (
maxRedirects = 10
maxRedirects = 9 // Fail on the 10th redirect
maxResponseSize = 16384 // play it safe to allow the potential for lots of / large headers
)
@ -357,7 +371,7 @@ redirectLoop:
resp, err := http.ReadResponse(respReader, nil)
if err != nil {
// Unable to read the backend response; let the client handle it.
glog.Warningf("Error reading backend response: %v", err)
klog.Warningf("Error reading backend response: %v", err)
break redirectLoop
}
@ -377,10 +391,6 @@ redirectLoop:
resp.Body.Close() // not used
// Reset the connection.
intermediateConn.Close()
intermediateConn = nil
// Prepare to follow the redirect.
redirectStr := resp.Header.Get("Location")
if redirectStr == "" {
@ -394,6 +404,15 @@ redirectLoop:
if err != nil {
return nil, nil, fmt.Errorf("malformed Location header: %v", err)
}
// Only follow redirects to the same host. Otherwise, propagate the redirect response back.
if requireSameHostRedirects && location.Hostname() != originalLocation.Hostname() {
break redirectLoop
}
// Reset the connection.
intermediateConn.Close()
intermediateConn = nil
}
connToReturn := intermediateConn

View file

@ -26,7 +26,7 @@ import (
"strings"
"github.com/golang/glog"
"k8s.io/klog"
)
type AddressFamily uint
@ -53,6 +53,28 @@ type RouteFile struct {
parse func(input io.Reader) ([]Route, error)
}
// noRoutesError can be returned by ChooseBindAddress() in case of no routes
type noRoutesError struct {
message string
}
func (e noRoutesError) Error() string {
return e.message
}
// IsNoRoutesError checks if an error is of type noRoutesError
func IsNoRoutesError(err error) bool {
if err == nil {
return false
}
switch err.(type) {
case noRoutesError:
return true
default:
return false
}
}
var (
v4File = RouteFile{name: ipv4RouteFile, parse: getIPv4DefaultRoutes}
v6File = RouteFile{name: ipv6RouteFile, parse: getIPv6DefaultRoutes}
@ -171,7 +193,7 @@ func isInterfaceUp(intf *net.Interface) bool {
return false
}
if intf.Flags&net.FlagUp != 0 {
glog.V(4).Infof("Interface %v is up", intf.Name)
klog.V(4).Infof("Interface %v is up", intf.Name)
return true
}
return false
@ -186,20 +208,20 @@ func isLoopbackOrPointToPoint(intf *net.Interface) bool {
func getMatchingGlobalIP(addrs []net.Addr, family AddressFamily) (net.IP, error) {
if len(addrs) > 0 {
for i := range addrs {
glog.V(4).Infof("Checking addr %s.", addrs[i].String())
klog.V(4).Infof("Checking addr %s.", addrs[i].String())
ip, _, err := net.ParseCIDR(addrs[i].String())
if err != nil {
return nil, err
}
if memberOf(ip, family) {
if ip.IsGlobalUnicast() {
glog.V(4).Infof("IP found %v", ip)
klog.V(4).Infof("IP found %v", ip)
return ip, nil
} else {
glog.V(4).Infof("Non-global unicast address found %v", ip)
klog.V(4).Infof("Non-global unicast address found %v", ip)
}
} else {
glog.V(4).Infof("%v is not an IPv%d address", ip, int(family))
klog.V(4).Infof("%v is not an IPv%d address", ip, int(family))
}
}
@ -219,13 +241,13 @@ func getIPFromInterface(intfName string, forFamily AddressFamily, nw networkInte
if err != nil {
return nil, err
}
glog.V(4).Infof("Interface %q has %d addresses :%v.", intfName, len(addrs), addrs)
klog.V(4).Infof("Interface %q has %d addresses :%v.", intfName, len(addrs), addrs)
matchingIP, err := getMatchingGlobalIP(addrs, forFamily)
if err != nil {
return nil, err
}
if matchingIP != nil {
glog.V(4).Infof("Found valid IPv%d address %v for interface %q.", int(forFamily), matchingIP, intfName)
klog.V(4).Infof("Found valid IPv%d address %v for interface %q.", int(forFamily), matchingIP, intfName)
return matchingIP, nil
}
}
@ -253,14 +275,14 @@ func chooseIPFromHostInterfaces(nw networkInterfacer) (net.IP, error) {
return nil, fmt.Errorf("no interfaces found on host.")
}
for _, family := range []AddressFamily{familyIPv4, familyIPv6} {
glog.V(4).Infof("Looking for system interface with a global IPv%d address", uint(family))
klog.V(4).Infof("Looking for system interface with a global IPv%d address", uint(family))
for _, intf := range intfs {
if !isInterfaceUp(&intf) {
glog.V(4).Infof("Skipping: down interface %q", intf.Name)
klog.V(4).Infof("Skipping: down interface %q", intf.Name)
continue
}
if isLoopbackOrPointToPoint(&intf) {
glog.V(4).Infof("Skipping: LB or P2P interface %q", intf.Name)
klog.V(4).Infof("Skipping: LB or P2P interface %q", intf.Name)
continue
}
addrs, err := nw.Addrs(&intf)
@ -268,7 +290,7 @@ func chooseIPFromHostInterfaces(nw networkInterfacer) (net.IP, error) {
return nil, err
}
if len(addrs) == 0 {
glog.V(4).Infof("Skipping: no addresses on interface %q", intf.Name)
klog.V(4).Infof("Skipping: no addresses on interface %q", intf.Name)
continue
}
for _, addr := range addrs {
@ -277,15 +299,15 @@ func chooseIPFromHostInterfaces(nw networkInterfacer) (net.IP, error) {
return nil, fmt.Errorf("Unable to parse CIDR for interface %q: %s", intf.Name, err)
}
if !memberOf(ip, family) {
glog.V(4).Infof("Skipping: no address family match for %q on interface %q.", ip, intf.Name)
klog.V(4).Infof("Skipping: no address family match for %q on interface %q.", ip, intf.Name)
continue
}
// TODO: Decide if should open up to allow IPv6 LLAs in future.
if !ip.IsGlobalUnicast() {
glog.V(4).Infof("Skipping: non-global address %q on interface %q.", ip, intf.Name)
klog.V(4).Infof("Skipping: non-global address %q on interface %q.", ip, intf.Name)
continue
}
glog.V(4).Infof("Found global unicast address %q on interface %q.", ip, intf.Name)
klog.V(4).Infof("Found global unicast address %q on interface %q.", ip, intf.Name)
return ip, nil
}
}
@ -347,7 +369,9 @@ func getAllDefaultRoutes() ([]Route, error) {
v6Routes, _ := v6File.extract()
routes = append(routes, v6Routes...)
if len(routes) == 0 {
return nil, fmt.Errorf("No default routes.")
return nil, noRoutesError{
message: fmt.Sprintf("no default routes found in %q or %q", v4File.name, v6File.name),
}
}
return routes, nil
}
@ -357,23 +381,23 @@ func getAllDefaultRoutes() ([]Route, error) {
// an IPv4 IP, and then will look at each IPv6 route for an IPv6 IP.
func chooseHostInterfaceFromRoute(routes []Route, nw networkInterfacer) (net.IP, error) {
for _, family := range []AddressFamily{familyIPv4, familyIPv6} {
glog.V(4).Infof("Looking for default routes with IPv%d addresses", uint(family))
klog.V(4).Infof("Looking for default routes with IPv%d addresses", uint(family))
for _, route := range routes {
if route.Family != family {
continue
}
glog.V(4).Infof("Default route transits interface %q", route.Interface)
klog.V(4).Infof("Default route transits interface %q", route.Interface)
finalIP, err := getIPFromInterface(route.Interface, family, nw)
if err != nil {
return nil, err
}
if finalIP != nil {
glog.V(4).Infof("Found active IP %v ", finalIP)
klog.V(4).Infof("Found active IP %v ", finalIP)
return finalIP, nil
}
}
}
glog.V(4).Infof("No active IP found by looking at default routes")
klog.V(4).Infof("No active IP found by looking at default routes")
return nil, fmt.Errorf("unable to select an IP from default routes.")
}