Merge a398074e32 into 59a3ca2cd1
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Rob Kooper
GitHub
commit
67a3e87077
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@ -186,7 +186,7 @@ $ oc adm policy add-scc-to-user hostmount-anyuid system:serviceaccount:$NAMESPAC
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If you would like to use a custom built nfs-subdir-external-provisioner image, you must edit the provisioner's deployment file to specify the correct location of your `nfs-client-provisioner` container image.
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Next you must edit the provisioner's deployment file to add connection information for your NFS server. Edit `deploy/deployment.yaml` and replace the two occurences of <YOUR NFS SERVER HOSTNAME> with your server's hostname.
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Next you must edit the provisioner's deployment file to add connection information for your NFS server. Edit `deploy/deployment.yaml` and replace the two occurrences of <YOUR NFS SERVER HOSTNAME> with your server's hostname.
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```yaml
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kind: Deployment
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@ -235,10 +235,10 @@ To disable leader election, define an env variable named ENABLE_LEADER_ELECTION
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**_Parameters:_**
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| Name | Description | Default |
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| --------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :--------------------------------------------------------------: |
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| --------------- | ------------------------------------------------------------ | :----------------------------------------------------------: |
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| onDelete | If it exists and has a delete value, delete the directory, if it exists and has a retain value, save the directory. | will be archived with name on the share: `archived-<volume.Name>` |
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| archiveOnDelete | If it exists and has a false value, delete the directory. if `onDelete` exists, `archiveOnDelete` will be ignored. | will be archived with name on the share: `archived-<volume.Name>` |
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| pathPattern | Specifies a template for creating a directory path via PVC metadata's such as labels, annotations, name or namespace. To specify metadata use `${.PVC.<metadata>}`. Example: If folder should be named like `<pvc-namespace>-<pvc-name>`, use `${.PVC.namespace}-${.PVC.name}` as pathPattern. | n/a |
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| pathPattern | Specifies a template for creating a directory path via PVC metadata's such as labels, annotations, name or namespace. To specify metadata use `${.PVC.<metadata>}`. Example: If folder should be named like `<pvc-namespace>-<pvc-name>`, use `${.PVC.namespace}-${.PVC.name}` as pathPattern. The default pattern will add the pvname to folder, which will result in a unique folder name, combining namespace, name and an unique id. | `${.PVC.namespace}-${.PVC.name}-${.PVC.pvname}` |
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This is `deploy/class.yaml` which defines the NFS subdir external provisioner's Kubernetes Storage Class:
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@ -49,7 +49,7 @@ The command removes all the Kubernetes components associated with the chart and
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The following tables lists the configurable parameters of this chart and their default values.
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| Parameter | Description | Default |
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| ------------------------------------ | ----------------------------------------------------------------------------------------------------- | ------------------------------------------------------------- |
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| ------------------------------------ | ------------------------------------------------------------ | ------------------------------------------------------------ |
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| `replicaCount` | Number of provisioner instances to deployed | `1` |
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| `strategyType` | Specifies the strategy used to replace old Pods by new ones | `Recreate` |
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| `image.repository` | Provisioner image | `registry.k8s.io/sig-storage/nfs-subdir-external-provisioner` |
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@ -63,7 +63,7 @@ The following tables lists the configurable parameters of this chart and their d
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| `storageClass.provisionerName` | Name of the provisionerName | null |
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| `storageClass.archiveOnDelete` | Archive PVC when deleting | `true` |
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| `storageClass.onDelete` | Strategy on PVC deletion. Overrides archiveOnDelete when set to lowercase values 'delete' or 'retain' | null |
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| `storageClass.pathPattern` | Specifies a template for the directory name | null |
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| `storageClass.pathPattern` | Specifies a template for the directory name. The default will combine PVC namespce, PVC name and PV name which will result in a unique folder name. | `${.PVC.namespace}-${.PVC.name}-${.PVC.pvname}` |
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| `storageClass.accessModes` | Set access mode for PV | `ReadWriteOnce` |
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| `storageClass.volumeBindingMode` | Set volume binding mode for Storage Class | `Immediate` |
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| `storageClass.annotations` | Set additional annotations for the StorageClass | `{}` |
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@ -41,6 +41,8 @@ import (
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const (
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provisionerNameKey = "PROVISIONER_NAME"
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defaultPathPattern = "${.PVC.namespace}-${.PVC.name}-${.PVC.pvname}"
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mountPath = "/persistentvolumes"
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)
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type nfsProvisioner struct {
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@ -73,10 +75,6 @@ func (meta *pvcMetadata) stringParser(str string) string {
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return str
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}
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const (
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mountPath = "/persistentvolumes"
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)
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var _ controller.Provisioner = &nfsProvisioner{}
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func (p *nfsProvisioner) Provision(ctx context.Context, options controller.ProvisionOptions) (*v1.PersistentVolume, controller.ProvisioningState, error) {
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@ -85,31 +83,27 @@ func (p *nfsProvisioner) Provision(ctx context.Context, options controller.Provi
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}
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glog.V(4).Infof("nfs provisioner: VolumeOptions %v", options)
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pvcNamespace := options.PVC.Namespace
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pvcName := options.PVC.Name
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pvName := strings.Join([]string{pvcNamespace, pvcName, options.PVName}, "-")
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metadata := &pvcMetadata{
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data: map[string]string{
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"name": pvcName,
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"namespace": pvcNamespace,
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"name": options.PVC.Name,
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"namespace": options.PVC.Namespace,
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"pvname": options.PVName,
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},
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labels: options.PVC.Labels,
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annotations: options.PVC.Annotations,
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}
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fullPath := filepath.Join(mountPath, pvName)
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path := filepath.Join(p.path, pvName)
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pathPattern, exists := options.StorageClass.Parameters["pathPattern"]
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if exists {
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customPath := metadata.stringParser(pathPattern)
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if customPath != "" {
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path = filepath.Join(p.path, customPath)
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fullPath = filepath.Join(mountPath, customPath)
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if !exists || pathPattern == "" {
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pathPattern = defaultPathPattern
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}
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parsedPath := metadata.stringParser(pathPattern)
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if parsedPath == "" {
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return nil, controller.ProvisioningFinished, errors.New("unable to parse pathPattern: " + pathPattern)
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}
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path := filepath.Join(p.path, parsedPath)
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fullPath := filepath.Join(mountPath, parsedPath)
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glog.V(4).Infof("creating path %s", fullPath)
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if err := os.MkdirAll(fullPath, 0o777); err != nil {
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