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Add NodeStage to internal CSI implementation
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| Original file line number | Diff line number | Diff line change |
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| # Build csi-driver from the minimal eks base to add required mount utils | ||
| # TODO update Dockerfile with arch to build arm and windows | ||
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| FROM public.ecr.aws/eks-distro-build-tooling/eks-distro-minimal-base-csi-ebs:latest.2 AS linux-amazon | ||
| COPY csi-driver /bin/aws-ebs-csi-driver | ||
| ENTRYPOINT ["/bin/aws-ebs-csi-driver"] | ||
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| @@ -0,0 +1,87 @@ | ||
| package driver | ||
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| // constants of keys in VolumeContext | ||
| const ( | ||
| // VolumeAttributePartition represents key for partition config in VolumeContext | ||
| // this represents the partition number on a device used to mount | ||
| VolumeAttributePartition = "partition" | ||
| ) | ||
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| // constants for fstypes | ||
| const ( | ||
| // FSTypeExt2 represents the ext2 filesystem type | ||
| FSTypeExt2 = "ext2" | ||
| // FSTypeExt3 represents the ext3 filesystem type | ||
| FSTypeExt3 = "ext3" | ||
| // FSTypeExt4 represents the ext4 filesystem type | ||
| FSTypeExt4 = "ext4" | ||
| // FSTypeXfs represents the xfs filesystem type | ||
| FSTypeXfs = "xfs" | ||
| // FSTypeNtfs represents the ntfs filesystem type | ||
| FSTypeNtfs = "ntfs" | ||
| ) | ||
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| // constants of disk partition suffix | ||
| const ( | ||
| diskPartitionSuffix = "" | ||
| nvmeDiskPartitionSuffix = "p" | ||
| ) | ||
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| // constants of keys in volume parameters | ||
| const ( | ||
| // BlockSizeKey configures the block size when formatting a volume | ||
| BlockSizeKey = "blocksize" | ||
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| // INodeSizeKey configures the inode size when formatting a volume | ||
| INodeSizeKey = "inodesize" | ||
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| // BytesPerINodeKey configures the `bytes-per-inode` when formatting a volume | ||
| BytesPerINodeKey = "bytesperinode" | ||
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| // NumberOfINodesKey configures the `number-of-inodes` when formatting a volume | ||
| NumberOfINodesKey = "numberofinodes" | ||
| ) | ||
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| type fileSystemConfig struct { | ||
| NotSupportedParams map[string]struct{} | ||
| } | ||
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| // constants of keys in PublishContext | ||
| const ( | ||
| // devicePathKey represents key for device path in PublishContext | ||
| // devicePath is the device path where the volume is attached to | ||
| DevicePathKey = "devicePath" | ||
| ) | ||
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| var ( | ||
| FileSystemConfigs = map[string]fileSystemConfig{ | ||
| FSTypeExt2: { | ||
| NotSupportedParams: map[string]struct{}{}, | ||
| }, | ||
| FSTypeExt3: { | ||
| NotSupportedParams: map[string]struct{}{}, | ||
| }, | ||
| FSTypeExt4: { | ||
| NotSupportedParams: map[string]struct{}{}, | ||
| }, | ||
| FSTypeXfs: { | ||
| NotSupportedParams: map[string]struct{}{ | ||
| BytesPerINodeKey: {}, | ||
| NumberOfINodesKey: {}, | ||
| }, | ||
| }, | ||
| FSTypeNtfs: { | ||
| NotSupportedParams: map[string]struct{}{ | ||
| BlockSizeKey: {}, | ||
| INodeSizeKey: {}, | ||
| BytesPerINodeKey: {}, | ||
| NumberOfINodesKey: {}, | ||
| }, | ||
| }, | ||
| } | ||
| ) | ||
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| func (fsConfig fileSystemConfig) isParameterSupported(paramName string) bool { | ||
| _, notSupported := fsConfig.NotSupportedParams[paramName] | ||
| return !notSupported | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package driver | ||
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| import ( | ||
| "strconv" | ||
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| csi "github.com/container-storage-interface/spec/lib/go/csi" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
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| var ( | ||
| // volumeCaps represents how the volume could be accessed. | ||
| // It is SINGLE_NODE_WRITER since EBS volume could only be | ||
| // attached to a single node at any given time. | ||
| volumeCaps = []csi.VolumeCapability_AccessMode{ | ||
| { | ||
| Mode: csi.VolumeCapability_AccessMode_SINGLE_NODE_WRITER, | ||
| }, | ||
| } | ||
| ) | ||
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| func isValidVolumeCapabilities(volCaps []*csi.VolumeCapability) bool { | ||
| // hasSupport := func(cap *csi.VolumeCapability) bool { | ||
| // for _, c := range volumeCaps { | ||
| // if c.GetMode() == cap.AccessMode.GetMode() { | ||
| // return true | ||
| // } | ||
| // } | ||
| // return false | ||
| // } | ||
| // | ||
| foundAll := true | ||
| // for _, c := range volCaps { | ||
| // if !hasSupport(c) { | ||
| // foundAll = false | ||
| // } | ||
| // } | ||
| return foundAll | ||
| } | ||
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| func isValidVolumeContext(volContext map[string]string) bool { | ||
| //There could be multiple volume attributes in the volumeContext map | ||
| //Validate here case by case | ||
| if partition, ok := volContext[VolumeAttributePartition]; ok { | ||
| partitionInt, err := strconv.ParseInt(partition, 10, 64) | ||
| if err != nil { | ||
| klog.ErrorS(err, "failed to parse partition as int", "partition", partition) | ||
| return false | ||
| } | ||
| if partitionInt < 0 { | ||
| klog.ErrorS(err, "invalid partition config", "partition", partition) | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| } |
72 changes: 72 additions & 0 deletions
72
ecs-agent/daemonimages/csidriver/driver/internal/inflight.go
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| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
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| package internal | ||
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| import ( | ||
| "sync" | ||
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| "k8s.io/klog/v2" | ||
| ) | ||
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| // Idempotent is the interface required to manage in flight requests. | ||
| type Idempotent interface { | ||
| // The CSI data types are generated using a protobuf. | ||
| // The generated structures are guaranteed to implement the Stringer interface. | ||
| // Example: https://github.com/container-storage-interface/spec/blob/master/lib/go/csi/csi.pb.go#L3508 | ||
| // We can use the generated string as the key of our internal inflight database of requests. | ||
| String() string | ||
| } | ||
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| const ( | ||
| VolumeOperationAlreadyExistsErrorMsg = "An operation with the given Volume %s already exists" | ||
| ) | ||
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| // InFlight is a struct used to manage in flight requests per volumeId. | ||
| type InFlight struct { | ||
| mux *sync.Mutex | ||
| inFlight map[string]bool | ||
| } | ||
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| // NewInFlight instanciates a InFlight structures. | ||
| func NewInFlight() *InFlight { | ||
| return &InFlight{ | ||
| mux: &sync.Mutex{}, | ||
| inFlight: make(map[string]bool), | ||
| } | ||
| } | ||
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| // Insert inserts the entry to the current list of inflight request key is volumeId for node and req hash for controller . | ||
| // Returns false when the key already exists. | ||
| func (db *InFlight) Insert(key string) bool { | ||
| db.mux.Lock() | ||
| defer db.mux.Unlock() | ||
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| _, ok := db.inFlight[key] | ||
| if ok { | ||
| return false | ||
| } | ||
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| db.inFlight[key] = true | ||
| return true | ||
| } | ||
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| // Delete removes the entry from the inFlight entries map. | ||
| // It doesn't return anything, and will do nothing if the specified key doesn't exist. | ||
| func (db *InFlight) Delete(key string) { | ||
| db.mux.Lock() | ||
| defer db.mux.Unlock() | ||
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| delete(db.inFlight, key) | ||
| klog.V(4).InfoS("Node Service: volume operation finished", "key", key) | ||
| } |
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