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Changing Flexvolume plugin directory on COS in GCE to a durable directory
This commit is contained in:
Cheng Xing
parent
b79fe10730
commit
eada56ddb9
@ -125,7 +125,8 @@ NODE_SCOPES="${NODE_SCOPES:-monitoring,logging-write,storage-ro}"
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# Extra docker options for nodes.
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EXTRA_DOCKER_OPTS="${EXTRA_DOCKER_OPTS:-}"
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VOLUME_PLUGIN_DIR="${VOLUME_PLUGIN_DIR:-/etc/srv/kubernetes/kubelet-plugins/volume/exec}"
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VOLUME_PLUGIN_DIR="${VOLUME_PLUGIN_DIR:-/home/kubernetes/flexvolume}"
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REMOUNT_VOLUME_PLUGIN_DIR="${REMOUNT_VOLUME_PLUGIN_DIR:-true}"
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SERVICE_CLUSTER_IP_RANGE="${SERVICE_CLUSTER_IP_RANGE:-10.0.0.0/16}" # formerly PORTAL_NET
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ALLOCATE_NODE_CIDRS=true
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@ -175,17 +175,8 @@ CONTROLLER_MANAGER_TEST_LOG_LEVEL="${CONTROLLER_MANAGER_TEST_LOG_LEVEL:-$TEST_CL
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SCHEDULER_TEST_LOG_LEVEL="${SCHEDULER_TEST_LOG_LEVEL:-$TEST_CLUSTER_LOG_LEVEL}"
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KUBEPROXY_TEST_LOG_LEVEL="${KUBEPROXY_TEST_LOG_LEVEL:-$TEST_CLUSTER_LOG_LEVEL}"
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VOLUME_PLUGIN_DIR="${VOLUME_PLUGIN_DIR:-/etc/srv/kubernetes/kubelet-plugins/volume/exec}"
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# TODO: change this and flex e2e test when default flex volume install path is changed for GCI
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# Set flex dir to one that's readable from controller-manager container and writable by the flex e2e test.
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if [[ "${MASTER_OS_DISTRIBUTION}" == "gci" ]]; then
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CONTROLLER_MANAGER_TEST_VOLUME_PLUGIN_DIR="--flex-volume-plugin-dir=/etc/srv/kubernetes/kubelet-plugins/volume/exec"
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fi
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# Set flex dir to one that's readable from kubelet and writable by the flex e2e test.
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if [[ "${NODE_OS_DISTRIBUTION}" == "gci" ]] || ([[ "${MASTER_OS_DISTRIBUTION}" == "gci" ]] && [[ "${REGISTER_MASTER_KUBELET}" == "false" ]]); then
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KUBELET_TEST_VOLUME_PLUGIN_DIR="--volume-plugin-dir=/etc/srv/kubernetes/kubelet-plugins/volume/exec"
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fi
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VOLUME_PLUGIN_DIR="${VOLUME_PLUGIN_DIR:-/home/kubernetes/flexvolume}"
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REMOUNT_VOLUME_PLUGIN_DIR="${REMOUNT_VOLUME_PLUGIN_DIR:-true}"
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TEST_CLUSTER_DELETE_COLLECTION_WORKERS="${TEST_CLUSTER_DELETE_COLLECTION_WORKERS:---delete-collection-workers=1}"
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TEST_CLUSTER_MAX_REQUESTS_INFLIGHT="${TEST_CLUSTER_MAX_REQUESTS_INFLIGHT:-}"
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@ -194,7 +185,7 @@ TEST_CLUSTER_RESYNC_PERIOD="${TEST_CLUSTER_RESYNC_PERIOD:---min-resync-period=3m
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# ContentType used by all components to communicate with apiserver.
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TEST_CLUSTER_API_CONTENT_TYPE="${TEST_CLUSTER_API_CONTENT_TYPE:-}"
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KUBELET_TEST_ARGS="${KUBELET_TEST_ARGS:-} --max-pods=110 --serialize-image-pulls=false ${TEST_CLUSTER_API_CONTENT_TYPE} ${KUBELET_TEST_VOLUME_PLUGIN_DIR:-}"
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KUBELET_TEST_ARGS="${KUBELET_TEST_ARGS:-} --max-pods=110 --serialize-image-pulls=false ${TEST_CLUSTER_API_CONTENT_TYPE}"
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if [[ "${NODE_OS_DISTRIBUTION}" == "gci" ]] || [[ "${NODE_OS_DISTRIBUTION}" == "ubuntu" ]]; then
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NODE_KUBELET_TEST_ARGS=" --experimental-kernel-memcg-notification=true"
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fi
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@ -202,7 +193,7 @@ if [[ "${MASTER_OS_DISTRIBUTION}" == "gci" ]] || [[ "${MASTER_OS_DISTRIBUTION}"
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MASTER_KUBELET_TEST_ARGS=" --experimental-kernel-memcg-notification=true"
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fi
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APISERVER_TEST_ARGS="${APISERVER_TEST_ARGS:-} --runtime-config=extensions/v1beta1 ${TEST_CLUSTER_DELETE_COLLECTION_WORKERS} ${TEST_CLUSTER_MAX_REQUESTS_INFLIGHT}"
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CONTROLLER_MANAGER_TEST_ARGS="${CONTROLLER_MANAGER_TEST_ARGS:-} ${TEST_CLUSTER_RESYNC_PERIOD} ${TEST_CLUSTER_API_CONTENT_TYPE} ${CONTROLLER_MANAGER_TEST_VOLUME_PLUGIN_DIR:-}"
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CONTROLLER_MANAGER_TEST_ARGS="${CONTROLLER_MANAGER_TEST_ARGS:-} ${TEST_CLUSTER_RESYNC_PERIOD} ${TEST_CLUSTER_API_CONTENT_TYPE}"
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SCHEDULER_TEST_ARGS="${SCHEDULER_TEST_ARGS:-} ${TEST_CLUSTER_API_CONTENT_TYPE}"
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KUBEPROXY_TEST_ARGS="${KUBEPROXY_TEST_ARGS:-} ${TEST_CLUSTER_API_CONTENT_TYPE}"
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@ -32,7 +32,7 @@ set -o pipefail
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MOUNTER_IMAGE=${1:-}
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MOUNTER_PATH=/home/kubernetes/flexvolume_mounter
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VOLUME_PLUGIN_DIR=/etc/srv/kubernetes/kubelet-plugins/volume/exec
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VOLUME_PLUGIN_DIR=/home/kubernetes/flexvolume
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usage() {
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echo "usage: $0 imagename[:tag]"
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@ -37,6 +37,7 @@ go_library(
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"//pkg/kubelet/apis:go_default_library",
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"//pkg/kubelet/metrics:go_default_library",
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"//pkg/util/slice:go_default_library",
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"//pkg/util/version:go_default_library",
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"//pkg/volume/util:go_default_library",
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"//test/e2e/framework:go_default_library",
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"//test/e2e/framework/metrics:go_default_library",
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@ -72,6 +73,7 @@ go_library(
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"//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/uuid:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/version:go_default_library",
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"//vendor/k8s.io/apiserver/pkg/authentication/serviceaccount:go_default_library",
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"//vendor/k8s.io/client-go/kubernetes:go_default_library",
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"//vendor/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
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@ -22,10 +22,15 @@ import (
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"net"
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"path"
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"time"
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. "github.com/onsi/ginkgo"
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"k8s.io/api/core/v1"
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apierrs "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apimachinery/pkg/version"
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clientset "k8s.io/client-go/kubernetes"
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versionutil "k8s.io/kubernetes/pkg/util/version"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/generated"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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@ -39,7 +44,9 @@ const (
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// On gci, root is read-only and controller-manager containerized. Assume
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// controller-manager has started with --flex-volume-plugin-dir equal to this
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// (see cluster/gce/config-test.sh)
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gciVolumePluginDir = "/etc/srv/kubernetes/kubelet-plugins/volume/exec"
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gciVolumePluginDir = "/home/kubernetes/flexvolume"
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gciVolumePluginDirLegacy = "/etc/srv/kubernetes/kubelet-plugins/volume/exec"
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gciVolumePluginDirVersion = "1.10.0"
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)
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// testFlexVolume tests that a client pod using a given flexvolume driver
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@ -65,8 +72,8 @@ func testFlexVolume(driver string, cs clientset.Interface, config framework.Volu
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// installFlex installs the driver found at filePath on the node, and restarts
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// kubelet if 'restart' is true. If node is nil, installs on the master, and restarts
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// controller-manager if 'restart' is true.
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func installFlex(node *v1.Node, vendor, driver, filePath string, restart bool) {
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flexDir := getFlexDir(node == nil, vendor, driver)
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func installFlex(c clientset.Interface, node *v1.Node, vendor, driver, filePath string, restart bool) {
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flexDir := getFlexDir(c, node, vendor, driver)
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flexFile := path.Join(flexDir, driver)
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host := ""
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@ -103,8 +110,8 @@ func installFlex(node *v1.Node, vendor, driver, filePath string, restart bool) {
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}
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}
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func uninstallFlex(node *v1.Node, vendor, driver string) {
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flexDir := getFlexDir(node == nil, vendor, driver)
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func uninstallFlex(c clientset.Interface, node *v1.Node, vendor, driver string) {
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flexDir := getFlexDir(c, node, vendor, driver)
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host := ""
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if node != nil {
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@ -117,11 +124,26 @@ func uninstallFlex(node *v1.Node, vendor, driver string) {
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sshAndLog(cmd, host)
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}
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func getFlexDir(master bool, vendor, driver string) string {
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func getFlexDir(c clientset.Interface, node *v1.Node, vendor, driver string) string {
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volumePluginDir := defaultVolumePluginDir
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if framework.ProviderIs("gce") {
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if (master && framework.MasterOSDistroIs("gci")) || (!master && framework.NodeOSDistroIs("gci")) {
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volumePluginDir = gciVolumePluginDir
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if node == nil && framework.MasterOSDistroIs("gci") {
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v, err := getMasterVersion(c)
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if err != nil {
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framework.Failf("Error getting master version: %v", err)
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}
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if v.AtLeast(versionutil.MustParseGeneric(gciVolumePluginDirVersion)) {
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volumePluginDir = gciVolumePluginDir
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} else {
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volumePluginDir = gciVolumePluginDirLegacy
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}
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} else if node != nil && framework.NodeOSDistroIs("gci") {
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if getNodeVersion(node).AtLeast(versionutil.MustParseGeneric(gciVolumePluginDirVersion)) {
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volumePluginDir = gciVolumePluginDir
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} else {
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volumePluginDir = gciVolumePluginDirLegacy
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}
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}
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}
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flexDir := path.Join(volumePluginDir, fmt.Sprintf("/%s~%s/", vendor, driver))
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@ -137,6 +159,24 @@ func sshAndLog(cmd, host string) {
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}
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}
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func getMasterVersion(c clientset.Interface) (*versionutil.Version, error) {
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var err error
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var v *version.Info
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waitErr := wait.PollImmediate(5*time.Second, 2*time.Minute, func() (bool, error) {
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v, err = c.Discovery().ServerVersion()
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return err == nil, nil
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})
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if waitErr != nil {
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return nil, fmt.Errorf("Could not get the master version: %v", waitErr)
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}
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return versionutil.MustParseSemantic(v.GitVersion), nil
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}
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func getNodeVersion(node *v1.Node) *versionutil.Version {
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return versionutil.MustParseSemantic(node.Status.NodeInfo.KubeletVersion)
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}
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var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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f := framework.NewDefaultFramework("flexvolume")
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@ -171,7 +211,7 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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driverInstallAs := driver + "-" + suffix
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By(fmt.Sprintf("installing flexvolume %s on node %s as %s", path.Join(driverDir, driver), node.Name, driverInstallAs))
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installFlex(&node, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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installFlex(cs, &node, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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testFlexVolume(driverInstallAs, cs, config, f)
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@ -181,7 +221,7 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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}
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By(fmt.Sprintf("uninstalling flexvolume %s from node %s", driverInstallAs, node.Name))
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uninstallFlex(&node, "k8s", driverInstallAs)
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uninstallFlex(cs, &node, "k8s", driverInstallAs)
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})
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It("should be mountable when attachable", func() {
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@ -189,9 +229,9 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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driverInstallAs := driver + "-" + suffix
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By(fmt.Sprintf("installing flexvolume %s on node %s as %s", path.Join(driverDir, driver), node.Name, driverInstallAs))
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installFlex(&node, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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installFlex(cs, &node, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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By(fmt.Sprintf("installing flexvolume %s on master as %s", path.Join(driverDir, driver), driverInstallAs))
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installFlex(nil, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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installFlex(cs, nil, "k8s", driverInstallAs, path.Join(driverDir, driver), true /* restart */)
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testFlexVolume(driverInstallAs, cs, config, f)
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@ -201,9 +241,9 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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}
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By(fmt.Sprintf("uninstalling flexvolume %s from node %s", driverInstallAs, node.Name))
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uninstallFlex(&node, "k8s", driverInstallAs)
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uninstallFlex(cs, &node, "k8s", driverInstallAs)
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By(fmt.Sprintf("uninstalling flexvolume %s from master", driverInstallAs))
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uninstallFlex(nil, "k8s", driverInstallAs)
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uninstallFlex(cs, nil, "k8s", driverInstallAs)
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})
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It("should install plugin without kubelet restart", func() {
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@ -211,7 +251,7 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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driverInstallAs := driver + "-" + suffix
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By(fmt.Sprintf("installing flexvolume %s on node %s as %s", path.Join(driverDir, driver), node.Name, driverInstallAs))
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installFlex(&node, "k8s", driverInstallAs, path.Join(driverDir, driver), false /* restart */)
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installFlex(cs, &node, "k8s", driverInstallAs, path.Join(driverDir, driver), false /* restart */)
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testFlexVolume(driverInstallAs, cs, config, f)
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@ -221,6 +261,6 @@ var _ = utils.SIGDescribe("Flexvolumes [Disruptive]", func() {
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}
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By(fmt.Sprintf("uninstalling flexvolume %s from node %s", driverInstallAs, node.Name))
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uninstallFlex(&node, "k8s", driverInstallAs)
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uninstallFlex(cs, &node, "k8s", driverInstallAs)
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})
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})
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