upgrade to latest dependencies (#423)

bumping knative.dev/pkg ca02ef7...6045ed4:
  > 6045ed4 Allow setting DisableCompression in NewAutoTransport (# 2007)
bumping knative.dev/hack 8d623a0...8368e1f:
  > 8368e1f guard against set -o unset (# 49)
  > 2b4f6fc disable go's proxy and sumdb only for knative deps (# 47)

Signed-off-by: Knative Automation <automation@knative.team>

go.mod

@@ -17,6 +17,6 @@ require (
 	k8s.io/client-go v0.19.7
 	k8s.io/code-generator v0.19.7
 	k8s.io/kube-openapi v0.0.0-20200805222855-6aeccd4b50c6
-	knative.dev/hack v0.0.0-20210120165453-8d623a0af457
+	knative.dev/hack v0.0.0-20210203173706-8368e1f6eacf
-	knative.dev/pkg v0.0.0-20210130001831-ca02ef752ac6
+	knative.dev/pkg v0.0.0-20210203171706-6045ed499615
 )

go.sum

@@ -1187,8 +1187,10 @@ k8s.io/utils v0.0.0-20200729134348-d5654de09c73 h1:uJmqzgNWG7XyClnU/mLPBWwfKKF1K
 k8s.io/utils v0.0.0-20200729134348-d5654de09c73/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 knative.dev/hack v0.0.0-20210120165453-8d623a0af457 h1:jEBITgx/lQydGncM0uetpv/ZqawRzb2aSfEaYoMeDjM=
 knative.dev/hack v0.0.0-20210120165453-8d623a0af457/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
-knative.dev/pkg v0.0.0-20210130001831-ca02ef752ac6 h1:HIACRvhv/4U7vcFTAakfqYJIlENCSGtTrZOwz/q/A00=
+knative.dev/hack v0.0.0-20210203173706-8368e1f6eacf h1:u4cY4jr2LYvhoz/1HBWEPsMiLkm0HMdDTfmmw1RE8zE=
-knative.dev/pkg v0.0.0-20210130001831-ca02ef752ac6/go.mod h1:X4NPrCo8NK3hbDVan9Vm7mf5io3ZoINakAdrpSXVB08=
+knative.dev/hack v0.0.0-20210203173706-8368e1f6eacf/go.mod h1:PHt8x8yX5Z9pPquBEfIj0X66f8iWkWfR0S/sarACJrI=
+knative.dev/pkg v0.0.0-20210203171706-6045ed499615 h1:Ee0n+axzrQXWkJfGl91B5RRmB25R1plTfC7MDw3NxUU=
+knative.dev/pkg v0.0.0-20210203171706-6045ed499615/go.mod h1:X4NPrCo8NK3hbDVan9Vm7mf5io3ZoINakAdrpSXVB08=
 pgregory.net/rapid v0.3.3/go.mod h1:UYpPVyjFHzYBGHIxLFoupi8vwk6rXNzRY9OMvVxFIOU=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=

vendor/knative.dev/hack/library.sh

@@ -539,7 +539,8 @@ function go_update_deps() {
 
   export GO111MODULE=on
   export GOFLAGS=""
-  export GOSUMDB=off   # Do not use the sum.golang.org service.
+  export GONOSUMDB="${GONOSUMDB:-},knative.dev/*"
+  export GONOPROXY="${GONOPROXY:-},knative.dev/*"
 
   echo "=== Update Deps for Golang"
 
@@ -559,16 +560,6 @@ function go_update_deps() {
 
   if [[ $UPGRADE == 1 ]]; then
     group "Upgrading to ${VERSION}"
-    # From shell parameter expansion:
-    # ${parameter:+word}
-    # If parameter is null or unset, nothing is substituted, otherwise the expansion of word is substituted.
-    # -z is if the length of the string, so skip setting GOPROXY if GOPROXY is already set.
-    if [[ -z ${GOPROXY:+skip} ]]; then
-      export GOPROXY=direct
-      echo "Using 'GOPROXY=direct'."
-    else
-      echo "Respecting 'GOPROXY=${GOPROXY}'."
-    fi
     FLOATING_DEPS+=( $(run_go_tool knative.dev/test-infra/buoy buoy float ${REPO_ROOT_DIR}/go.mod --release ${VERSION} --domain ${DOMAIN}) )
     if [[ ${#FLOATING_DEPS[@]} > 0 ]]; then
       echo "Floating deps to ${FLOATING_DEPS[@]}"

vendor/knative.dev/pkg/network/h2c.go

@@ -41,8 +41,13 @@ func NewServer(addr string, h http.Handler) *http.Server {
 // to explicitly allow h2c (http2 without TLS) transport.
 // See https://github.com/golang/go/issues/14141 for more details.
 func NewH2CTransport() http.RoundTripper {
+	return newH2CTransport(false)
+}
+
+func newH2CTransport(disableCompression bool) http.RoundTripper {
 	return &http2.Transport{
-		AllowHTTP: true,
+		AllowHTTP:          true,
+		DisableCompression: disableCompression,
 		DialTLS: func(netw, addr string, _ *tls.Config) (net.Conn, error) {
 			return DialWithBackOff(context.Background(),
 				netw, addr)

vendor/knative.dev/pkg/network/transports.go

@@ -94,13 +94,14 @@ func dialBackOffHelper(ctx context.Context, network, address string, bo wait.Bac
 	return nil, fmt.Errorf("timed out dialing after %.2fs", elapsed.Seconds())
 }
 
-func newHTTPTransport(disableKeepAlives bool, maxIdle, maxIdlePerHost int) http.RoundTripper {
+func newHTTPTransport(disableKeepAlives, disableCompression bool, maxIdle, maxIdlePerHost int) http.RoundTripper {
 	transport := http.DefaultTransport.(*http.Transport).Clone()
 	transport.DialContext = DialWithBackOff
 	transport.DisableKeepAlives = disableKeepAlives
 	transport.MaxIdleConns = maxIdle
 	transport.MaxIdleConnsPerHost = maxIdlePerHost
 	transport.ForceAttemptHTTP2 = false
+	transport.DisableCompression = disableCompression
 	return transport
 }
 
@@ -108,7 +109,7 @@ func newHTTPTransport(disableKeepAlives bool, maxIdle, maxIdlePerHost int) http.
 // since it will not cache connections.
 func NewProberTransport() http.RoundTripper {
 	return newAutoTransport(
-		newHTTPTransport(true /*disable keep-alives*/, 0, 0 /*no caching*/),
+		newHTTPTransport(true /*disable keep-alives*/, false /*disable auto-compression*/, 0, 0 /*no caching*/),
 		NewH2CTransport())
 }
 
@@ -116,8 +117,17 @@ func NewProberTransport() http.RoundTripper {
 // based on the request's HTTP version.
 func NewAutoTransport(maxIdle, maxIdlePerHost int) http.RoundTripper {
 	return newAutoTransport(
-		newHTTPTransport(false /*disable keep-alives*/, maxIdle, maxIdlePerHost),
+		newHTTPTransport(false /*disable keep-alives*/, false /*disable auto-compression*/, maxIdle, maxIdlePerHost),
-		NewH2CTransport())
+		newH2CTransport(false /*disable auto-compression*/))
+}
+
+// NewProxyAutoTransport creates a RoundTripper suitable for use by a reverse
+// proxy.  The returned transport uses HTTP or H2C based on the request's HTTP
+// version. The transport has DisableCompression set to true.
+func NewProxyAutoTransport(maxIdle, maxIdlePerHost int) http.RoundTripper {
+	return newAutoTransport(
+		newHTTPTransport(false /*disable keep-alives*/, true /*disable auto-compression*/, maxIdle, maxIdlePerHost),
+		newH2CTransport(true /*disable auto-compression*/))
 }
 
 // AutoTransport uses h2c for HTTP2 requests and falls back to `http.DefaultTransport` for all others

vendor/modules.txt

@@ -654,10 +654,10 @@ k8s.io/kube-openapi/pkg/util/sets
 k8s.io/utils/buffer
 k8s.io/utils/integer
 k8s.io/utils/trace
-# knative.dev/hack v0.0.0-20210120165453-8d623a0af457
+# knative.dev/hack v0.0.0-20210203173706-8368e1f6eacf
 ## explicit
 knative.dev/hack
-# knative.dev/pkg v0.0.0-20210130001831-ca02ef752ac6
+# knative.dev/pkg v0.0.0-20210203171706-6045ed499615
 ## explicit
 knative.dev/pkg/apis
 knative.dev/pkg/apis/duck