Update to v1.27.6 and Go to 1.20.8 (#8356)

.github/workflows/integration.yaml

@@ -48,7 +48,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v4
       with: 
-        go-version: '1.20.7'
+        go-version: '1.20.8'
         check-latest: true
         cache: true
         cache-dependency-path: |

.github/workflows/unitcoverage.yaml

@@ -41,7 +41,7 @@ jobs:
     - name: Install Go
       uses: actions/setup-go@v4
       with: 
-        go-version: '1.20.7'
+        go-version: '1.20.8'
         check-latest: true
         cache: true
         cache-dependency-path: |

Dockerfile.dapper

-ARG GOLANG=golang:1.20.7-alpine3.18
+ARG GOLANG=golang:1.20.8-alpine3.18
 FROM ${GOLANG}
 
 ARG http_proxy=$http_proxy

Dockerfile.manifest

-ARG GOLANG=golang:1.20.7-alpine3.18
+ARG GOLANG=golang:1.20.8-alpine3.18
 FROM ${GOLANG}
 
 COPY --from=plugins/manifest:1.2.3 /bin/* /bin/

Dockerfile.test

-ARG GOLANG=golang:1.20.7-alpine3.18
+ARG GOLANG=golang:1.20.8-alpine3.18
 FROM ${GOLANG} as test-base
 
 RUN apk -U --no-cache add bash jq
@@ -44,7 +44,7 @@ RUN vagrant box add generic/ubuntu2004 --provider libvirt --force
 RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"; \
     chmod +x ./kubectl; \
     mv ./kubectl /usr/local/bin/kubectl
-RUN GO_VERSION=go1.20.7; \
+RUN GO_VERSION=go1.20.8; \
     curl -O -L "https://golang.org/dl/${GO_VERSION}.linux-amd64.tar.gz"; \
     rm -rf /usr/local/go; \
     tar -C /usr/local -xzf ${GO_VERSION}.linux-amd64.tar.gz;

pkg/daemons/control/tunnel.go

@@ -23,6 +23,7 @@ import (
 	"github.com/yl2chen/cidranger"
 	v1 "k8s.io/api/core/v1"
 	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/apiserver/pkg/endpoints/handlers/responsewriters"
 	"k8s.io/apiserver/pkg/endpoints/request"
@@ -173,7 +174,7 @@ func (t *TunnelServer) serveConnect(resp http.ResponseWriter, req *http.Request)
 	bconn, err := t.dialBackend(req.Context(), req.Host)
 	if err != nil {
 		responsewriters.ErrorNegotiated(
-			apierrors.NewServiceUnavailable(err.Error()),
+			newBadGateway(err.Error()),
 			scheme.Codecs.WithoutConversion(), schema.GroupVersion{}, resp, req,
 		)
 		return
@@ -300,3 +301,14 @@ func (crw *connReadWriteCloser) Close() (err error) {
 	crw.once.Do(func() { err = crw.conn.Close() })
 	return
 }
+
+func newBadGateway(message string) *apierrors.StatusError {
+	return &apierrors.StatusError{
+		ErrStatus: metav1.Status{
+			Status:  metav1.StatusFailure,
+			Code:    http.StatusBadGateway,
+			Reason:  metav1.StatusReasonInternalError,
+			Message: message,
+		},
+	}
+}

scripts/build

@@ -9,7 +9,6 @@ GO=${GO-go}
 
 PKG="github.com/k3s-io/k3s"
 PKG_CONTAINERD="github.com/containerd/containerd"
-PKG_K3S_CONTAINERD="github.com/k3s-io/containerd"
 PKG_CRICTL="github.com/kubernetes-sigs/cri-tools/pkg"
 PKG_K8S_BASE="k8s.io/component-base"
 PKG_K8S_CLIENT="k8s.io/client-go/pkg"
@@ -37,7 +36,7 @@ VERSIONFLAGS="
     -X ${PKG_CRICTL}/version.Version=${VERSION_CRICTL}
 
     -X ${PKG_CONTAINERD}/version.Version=${VERSION_CONTAINERD}
-    -X ${PKG_CONTAINERD}/version.Package=${PKG_K3S_CONTAINERD}
+    -X ${PKG_CONTAINERD}/version.Package=${PKG_CONTAINERD_K3S}
 
     -X ${PKG_CNI_PLUGINS}/pkg/utils/buildversion.BuildVersion=${VERSION_CNIPLUGINS}
     -X ${PKG_CNI_PLUGINS}/plugins/meta/flannel.Program=flannel

scripts/download

@@ -24,7 +24,7 @@ curl --compressed -sfL https://github.com/k3s-io/k3s-root/releases/download/${VE
 
 git clone --single-branch --branch=${VERSION_RUNC} --depth=1 https://github.com/opencontainers/runc ${RUNC_DIR}
 
-git clone --single-branch --branch=${VERSION_CONTAINERD} --depth=1 https://github.com/k3s-io/containerd ${CONTAINERD_DIR}
+git clone --single-branch --branch=${VERSION_CONTAINERD} --depth=1 https://${PKG_CONTAINERD_K3S} ${CONTAINERD_DIR}
 
 for CHART_FILE in $(grep -rlF HelmChart manifests/ | xargs yq eval --no-doc .spec.chart | xargs -n1 basename); do
   CHART_NAME=$(echo $CHART_FILE | grep -oE '^(-*[a-z])+')

scripts/test-helpers

@@ -534,8 +534,8 @@ cleanup-test-env(){
       export SERVER_ARGS=''
       export WAIT_SERVICES="${all_services[*]}"
 
-      unset AGENT_1_ARGS AGENT_2_ARGS AGENT_3_ARGS AGENT_DOCKER_ARGS
-      unset SERVER_1_ARGS SERVER_2_ARGS SERVER_3_ARGS SERVER_DOCKER_ARGS
+      unset AGENT_1_ARGS AGENT_2_ARGS AGENT_3_ARGS AGENT_DOCKER_ARGS K3S_IMAGE_AGENT
+      unset SERVER_1_ARGS SERVER_2_ARGS SERVER_3_ARGS SERVER_DOCKER_ARGS K3S_IMAGE_SERVER
 
       unset -f server-pre-hook server-post-hook agent-pre-hook agent-post-hook cluster-pre-hook cluster-post-hook test-post-hook test-cleanup-hook
 }

scripts/test-run-upgrade

@@ -25,6 +25,7 @@ server-pre-hook(){
     local testID=$(basename $TEST_DIR)
     export SERVER_DOCKER_ARGS="\
         --mount type=volume,src=k3s-server-$1-${testID,,}-rancher,dst=/var/lib/rancher/k3s \
+        --mount type=volume,src=k3s-server-$1-${testID,,}-log,dst=/var/log \
         --mount type=volume,src=k3s-server-$1-${testID,,}-etc,dst=/etc/rancher"
 }
 export -f server-pre-hook
@@ -33,6 +34,7 @@ agent-pre-hook(){
     local testID=$(basename $TEST_DIR)
     export AGENT_DOCKER_ARGS="\
         --mount type=volume,src=k3s-agent-$1-${testID,,}-rancher,dst=/var/lib/rancher/k3s \
+        --mount type=volume,src=k3s-agent-$1-${testID,,}-log,dst=/var/log \
         --mount type=volume,src=k3s-agent-$1-${testID,,}-etc,dst=/etc/rancher"
 }
 export -f agent-pre-hook
@@ -42,9 +44,11 @@ start-test() {
     kubectl get node -o wide
     kubectl create -f scripts/airgap/volume-test.yaml
 
-    # Add post-hook sleeps to give the kubelet time to update the version after startup
+    # Add post-hook sleeps to give the kubelet time to update the version after startup.
+    # Server gets an extra 60 seconds to handle the metrics-server service being unavailable:
+    # https://github.com/kubernetes/kubernetes/issues/120739
     server-post-hook(){
-        sleep 15
+        sleep 75
     }
     export -f server-post-hook
     agent-post-hook(){
@@ -69,8 +73,15 @@ start-test() {
 
     # Confirm that the nodes are running the current build and that the pod we created earlier is still there
     . ./scripts/version.sh || true
-    kubectl get node -o wide | grep -F $VERSION
+
+    verify-valid-versions $(cat $TEST_DIR/servers/1/metadata/name)
+
     kubectl get pod -n kube-system volume-test -o wide
+
+    if ! kubectl get node -o wide | grep -qF $VERSION; then
+      echo "Expected version $VERSION not found in node list"
+      return 1
+    fi
 }
 export -f start-test
 

scripts/version.sh

@@ -26,6 +26,11 @@ get-module-version(){
   go list -m -f '{{if .Replace}}{{.Replace.Version}}{{else}}{{.Version}}{{end}}' $1
 }
 
+get-module-path(){
+  go list -m -f '{{if .Replace}}{{.Replace.Path}}{{else}}{{.Path}}{{end}}' $1
+}
+
+PKG_CONTAINERD_K3S=$(get-module-path github.com/containerd/containerd)
 VERSION_CONTAINERD=$(get-module-version github.com/containerd/containerd)
 if [ -z "$VERSION_CONTAINERD" ]; then
     VERSION_CONTAINERD="v0.0.0"