CI: add functional_docker_rootless_containerd_ubuntu

.github/workflows/pr.yml

@@ -290,6 +290,125 @@ jobs:
           if [ "$numPass" -lt 36 ];then echo "*** Failed to pass at least 36 ! ***";exit 2;fi
           if [ "$numPass" -eq 0 ];then echo "*** Passed! ***";exit 0;fi
 
+  functional_docker_rootless_containerd_ubuntu:
+    permissions:
+      contents: none
+    needs: [build_minikube]
+    env:
+      TIME_ELAPSED: time
+      JOB_NAME: "functional_docker_rootless_containerd_ubuntu"
+      GOPOGH_RESULT: ""
+      SHELL: "/bin/bash" # To prevent https://github.com/kubernetes/minikube/issues/6643
+      DEBIAN_FRONTEND: noninteractive
+    # ubuntu-22.04 is needed for cgroup v2
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Install kubectl
+        shell: bash
+        run: |
+          curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl"
+          sudo install kubectl /usr/local/bin/kubectl
+          kubectl version --client=true
+      # https://rootlesscontaine.rs/getting-started/common/cgroup2/
+      - name: Set up cgroup v2 delegation
+        run: |
+          sudo mkdir -p /etc/systemd/system/user@.service.d
+          cat <<EOF | sudo tee /etc/systemd/system/user@.service.d/delegate.conf
+          [Service]
+          Delegate=cpu cpuset io memory pids
+          EOF
+          sudo systemctl daemon-reload
+      - name: Set up Rootless Docker
+        run: |
+          sudo apt-get remove moby-engine-*
+          curl https://get.docker.com | sudo sh
+          dockerd-rootless-setuptool.sh install -f
+          docker context use rootless
+      - name: Docker Info
+        shell: bash
+        run: |
+          echo "--------------------------"
+          docker version || true
+          echo "--------------------------"
+          docker info || true
+          echo "--------------------------"
+          docker system df || true
+          echo "--------------------------"
+          docker system info --format='{{json .}}'|| true
+          echo "--------------------------"
+          docker ps || true
+          echo "--------------------------"
+      - uses: actions/setup-go@d0a58c1c4d2b25278816e339b944508c875f3613
+        with:
+          go-version: ${{env.GO_VERSION}}
+      - name: Install gopogh
+
+        shell: bash
+        run: |
+          curl -LO https://github.com/medyagh/gopogh/releases/download/v0.13.0/gopogh-linux-amd64
+          sudo install gopogh-linux-amd64 /usr/local/bin/gopogh
+      - name: Download Binaries
+        uses: actions/download-artifact@9782bd6a9848b53b110e712e20e42d89988822b7
+        with:
+          name: minikube_binaries
+          path: minikube_binaries
+      - name: Run Integration Test
+        continue-on-error: false
+        # bash {0} to allow test to continue to next step. in case of
+        shell: bash {0}
+        run: |
+          cd minikube_binaries
+          mkdir -p report
+          mkdir -p testhome
+          chmod a+x e2e-*
+          chmod a+x minikube-*
+          sudo ln -s /etc/apparmor.d/usr.sbin.mysqld /etc/apparmor.d/disable/
+          sudo apparmor_parser -R /etc/apparmor.d/usr.sbin.mysqld
+          MINIKUBE_HOME=$(pwd)/testhome ./minikube-linux-amd64 delete --all --purge
+          START_TIME=$(date -u +%s)
+          KUBECONFIG=$(pwd)/testhome/kubeconfig MINIKUBE_HOME=$(pwd)/testhome ./e2e-linux-amd64 -minikube-start-args="--vm-driver=docker --rootless --container-runtime=containerd" -test.run TestFunctional -test.timeout=30m -test.v -timeout-multiplier=1.5 -binary=./minikube-linux-amd64 2>&1 | tee ./report/testout.txt
+          END_TIME=$(date -u +%s)
+          TIME_ELAPSED=$(($END_TIME-$START_TIME))
+          min=$((${TIME_ELAPSED}/60))
+          sec=$((${TIME_ELAPSED}%60))
+          TIME_ELAPSED="${min} min $sec seconds "
+          echo "TIME_ELAPSED=${TIME_ELAPSED}" >> $GITHUB_ENV
+      - name: Generate HTML Report
+        shell: bash
+        run: |
+          cd minikube_binaries
+          export PATH=${PATH}:`go env GOPATH`/bin
+          go tool test2json -t < ./report/testout.txt > ./report/testout.json || true
+          STAT=$(gopogh -in ./report/testout.json -out_html ./report/testout.html -out_summary ./report/testout_summary.json -name "${JOB_NAME} ${GITHUB_REF}" -repo "${GITHUB_REPOSITORY}"  -details "${GITHUB_SHA}")  || true
+          echo status: ${STAT}
+          FailNum=$(echo $STAT | jq '.NumberOfFail')
+          TestsNum=$(echo $STAT | jq '.NumberOfTests')
+          GOPOGH_RESULT="${JOB_NAME} : completed with ${FailNum} / ${TestsNum} failures in ${TIME_ELAPSED}"
+          echo "GOPOGH_RESULT=${GOPOGH_RESULT}" >> $GITHUB_ENV
+          echo 'STAT<<EOF' >> $GITHUB_ENV
+          echo "${STAT}" >> $GITHUB_ENV
+          echo 'EOF' >> $GITHUB_ENV
+      - uses: actions/upload-artifact@83fd05a356d7e2593de66fc9913b3002723633cb
+        with:
+          name: functional_docker_rootless_containerd_ubuntu
+          path: minikube_binaries/report
+      - name: The End Result functional_docker_rootless_containerd_ubuntu
+        shell: bash
+        run: |
+          echo ${GOPOGH_RESULT}
+          numFail=$(echo $STAT | jq '.NumberOfFail')
+          numPass=$(echo $STAT | jq '.NumberOfPass')
+          echo "*******************${numPass} Passes :) *******************"
+          echo $STAT | jq '.PassedTests' || true
+          echo "*******************************************************"
+          echo "---------------- ${numFail} Failures :( ----------------------------"
+          echo $STAT | jq '.FailedTests' || true
+          echo "-------------------------------------------------------"
+          if [ "$numFail" -gt 0 ];then echo "*** $numFail Failed ***";exit 2;fi
+          if [ "$numPass" -eq 0 ];then echo "*** 0 Passed! ***";exit 2;fi
+          if [ "$numPass" -lt 36 ];then echo "*** Failed to pass at least 36 ! ***";exit 2;fi
+          if [ "$numPass" -eq 0 ];then echo "*** Passed! ***";exit 0;fi
+
   functional_podman_ubuntu:
     permissions:
       contents: none
@@ -611,6 +730,7 @@ jobs:
       [
         functional_docker_ubuntu,
         functional_docker_containerd_ubuntu,
+        functional_docker_rootless_containerd_ubuntu,
         functional_podman_ubuntu,
         functional_virtualbox_macos,
         functional_baremetal_ubuntu20_04,
@@ -627,6 +747,7 @@ jobs:
           ls -lah
           cp -r ./functional_docker_ubuntu ./all_reports/
           cp -r ./functional_docker_containerd_ubuntu ./all_reports/
+          cp -r ./functional_docker_rootless_containerd_ubuntu ./all_reports/
           cp -r ./functional_podman_ubuntu ./all_reports/
           cp -r ./functional_virtualbox_macos ./all_reports/
           cp -r ./functional_baremetal_ubuntu20_04 ./all_reports/

cmd/minikube/main.go

@@ -20,6 +20,7 @@ import (
 	"bytes"
 	"crypto/sha1"
 	"encoding/hex"
+	"errors"
 	"flag"
 	"fmt"
 	"log"
@@ -51,6 +52,10 @@ import (
 	"k8s.io/minikube/pkg/minikube/machine"
 	"k8s.io/minikube/pkg/minikube/out"
 	_ "k8s.io/minikube/pkg/provision"
+
+	dconfig "github.com/docker/cli/cli/config"
+	ddocker "github.com/docker/cli/cli/context/docker"
+	dstore "github.com/docker/cli/cli/context/store"
 )
 
 const minikubeEnableProfile = "MINIKUBE_ENABLE_PROFILING"
@@ -68,6 +73,8 @@ func main() {
 	bridgeLogMessages()
 	defer klog.Flush()
 
+	propagateDockerContextToEnv()
+
 	// Don't parse flags when running as kubectl
 	_, callingCmd := filepath.Split(os.Args[0])
 	callingCmd = strings.TrimSuffix(callingCmd, ".exe")
@@ -247,3 +254,54 @@ func setLastStartFlags() {
 		klog.Warningf("Unable to set default flag value for log_file: %v", err)
 	}
 }
+
+// propagateDockerContextToEnv propagates the current context in ~/.docker/config.json to $DOCKER_HOST,
+// so that google/go-containerregistry can pick it up.
+func propagateDockerContextToEnv() {
+	if os.Getenv("DOCKER_HOST") != "" {
+		// Already explicitly set
+		return
+	}
+	currentContext := os.Getenv("DOCKER_CONTEXT")
+	if currentContext == "" {
+		dockerConfigDir := dconfig.Dir()
+		if _, err := os.Stat(dockerConfigDir); err != nil {
+			if !errors.Is(err, os.ErrNotExist) {
+				klog.Warning(err)
+			}
+			return
+		}
+		cf, err := dconfig.Load(dockerConfigDir)
+		if err != nil {
+			klog.Warningf("Unable to load the current Docker config from %q", dockerConfigDir)
+			return
+		}
+		currentContext = cf.CurrentContext
+	}
+	if currentContext == "" {
+		return
+	}
+	storeConfig := dstore.NewConfig(
+		func() interface{} { return &ddocker.EndpointMeta{} },
+		dstore.EndpointTypeGetter(ddocker.DockerEndpoint, func() interface{} { return &ddocker.EndpointMeta{} }),
+	)
+	st := dstore.New(dconfig.ContextStoreDir(), storeConfig)
+	md, err := st.GetMetadata(currentContext)
+	if err != nil {
+		klog.Warningf("Unable to resolve the current Docker CLI context %q: %v", currentContext, err)
+		return
+	}
+	dockerEP, ok := md.Endpoints[ddocker.DockerEndpoint]
+	if !ok {
+		// No warning (the context is not for Docker)
+		return
+	}
+	dockerEPMeta, ok := dockerEP.(ddocker.EndpointMeta)
+	if !ok {
+		klog.Warningf("expected docker.EndpointMeta, got %T", dockerEP)
+		return
+	}
+	if dockerEPMeta.Host != "" {
+		os.Setenv("DOCKER_HOST", dockerEPMeta.Host)
+	}
+}

go.mod

@@ -96,6 +96,7 @@ require (
 require (
 	github.com/Xuanwo/go-locale v1.1.0
 	github.com/blang/semver v3.5.1+incompatible
+	github.com/docker/cli v20.10.20+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/google/go-github/v43 v43.0.0
 	github.com/opencontainers/runc v1.1.4
@@ -128,13 +129,13 @@ require (
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.3 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/docker/cli v20.10.20+incompatible // indirect
 	github.com/docker/distribution v2.8.1+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.7.0 // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
 	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
 	github.com/fatih/color v1.13.0 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/fvbommel/sortorder v1.0.1 // indirect
 	github.com/go-fonts/liberation v0.2.0 // indirect
 	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect

go.sum

@@ -411,6 +411,8 @@ github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
 github.com/fullsailor/pkcs7 v0.0.0-20190404230743-d7302db945fa/go.mod h1:KnogPXtdwXqoenmZCw6S+25EAm2MkxbG0deNDu4cbSA=
+github.com/fvbommel/sortorder v1.0.1 h1:dSnXLt4mJYH25uDDGa3biZNQsozaUWDSWeKJ0qqFfzE=
+github.com/fvbommel/sortorder v1.0.1/go.mod h1:uk88iVf1ovNn1iLfgUVU2F9o5eO30ui720w+kxuqRs0=
 github.com/garyburd/redigo v0.0.0-20150301180006-535138d7bcd7/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY=
 github.com/ghodss/yaml v0.0.0-20150909031657-73d445a93680/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=

pkg/minikube/image/cache.go

@@ -131,6 +131,7 @@ func saveToTarFile(iname, rawDest string, overwrite bool) error {
 
 	img, cname, err := retrieveImage(ref, iname)
 	if err != nil {
+		klog.V(2).ErrorS(err, "an error while retrieving the image")
 		return errCacheImageDoesntExist
 	}
 	if img == nil {

test/integration/functional_test_mount_test.go

@@ -52,6 +52,9 @@ func validateMountCmd(ctx context.Context, t *testing.T, profile string) { // no
 	if HyperVDriver() {
 		t.Skip("skipping: mount broken on hyperv: https://github.com/kubernetes/minikube/issues/5029")
 	}
+	if RootlessDriver() {
+		t.Skip("skipping: rootless driver does not support mount (because 9p is not mountable inside UserNS)")
+	}
 
 	if runtime.GOOS == "windows" {
 		t.Skip("skipping: mount broken on windows: https://github.com/kubernetes/minikube/issues/8303")

test/integration/main_test.go

@@ -149,6 +149,11 @@ func PodmanDriver() bool {
 	return strings.Contains(*startArgs, "--driver=podman") || strings.Contains(*startArgs, "--vm-driver=podman")
 }
 
+// Rootless returns whether or not this test is using the rootless KIC driver
+func RootlessDriver() bool {
+	return strings.Contains(*startArgs, "--rootless")
+}
+
 // KicDriver returns whether or not this test is using the docker or podman driver
 func KicDriver() bool {
 	return DockerDriver() || PodmanDriver()
@@ -171,9 +176,9 @@ func arm64Platform() bool {
 }
 
 // NeedsPortForward returns access to endpoints with this driver needs port forwarding
-// (Docker on non-Linux platforms requires ports to be forwarded to 127.0.0.1)
+// (Docker on non-Linux platforms and rootless KIC requires ports to be forwarded to 127.0.0.1)
 func NeedsPortForward() bool {
-	return KicDriver() && (runtime.GOOS == "windows" || runtime.GOOS == "darwin") || detect.IsMicrosoftWSL()
+	return KicDriver() && (runtime.GOOS == "windows" || runtime.GOOS == "darwin") || detect.IsMicrosoftWSL() || RootlessDriver()
 }
 
 // CanCleanup returns if cleanup is allowed