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25617929f0
`cap` builtin function returns the capacity of a type. Its not good practice to use this builtin function for other variable names, removing it here Ref# https://golang.org/pkg/builtin/#cap Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
94 lines
3.0 KiB
Go
94 lines
3.0 KiB
Go
package util
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import (
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"github.com/container-storage-interface/spec/lib/go/csi"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// ValidateNodeStageVolumeRequest validates the node stage request.
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func ValidateNodeStageVolumeRequest(req *csi.NodeStageVolumeRequest) error {
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if req.GetVolumeCapability() == nil {
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return status.Error(codes.InvalidArgument, "volume capability missing in request")
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}
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if req.GetVolumeId() == "" {
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return status.Error(codes.InvalidArgument, "volume ID missing in request")
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}
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if req.GetStagingTargetPath() == "" {
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return status.Error(codes.InvalidArgument, "staging target path missing in request")
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}
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if req.GetSecrets() == nil || len(req.GetSecrets()) == 0 {
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return status.Error(codes.InvalidArgument, "stage secrets cannot be nil or empty")
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}
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// validate stagingpath exists
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ok := checkDirExists(req.GetStagingTargetPath())
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if !ok {
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return status.Errorf(codes.InvalidArgument, "staging path %s does not exists on node", req.GetStagingTargetPath())
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}
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return nil
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}
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// ValidateNodeUnstageVolumeRequest validates the node unstage request.
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func ValidateNodeUnstageVolumeRequest(req *csi.NodeUnstageVolumeRequest) error {
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if req.GetVolumeId() == "" {
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return status.Error(codes.InvalidArgument, "volume ID missing in request")
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}
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if req.GetStagingTargetPath() == "" {
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return status.Error(codes.InvalidArgument, "staging target path missing in request")
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}
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return nil
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}
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// ValidateNodePublishVolumeRequest validates the node publish request.
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func ValidateNodePublishVolumeRequest(req *csi.NodePublishVolumeRequest) error {
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if req.GetVolumeCapability() == nil {
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return status.Error(codes.InvalidArgument, "volume capability missing in request")
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}
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if req.GetVolumeId() == "" {
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return status.Error(codes.InvalidArgument, "volume ID missing in request")
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}
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if req.GetTargetPath() == "" {
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return status.Error(codes.InvalidArgument, "target path missing in request")
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}
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if req.GetStagingTargetPath() == "" {
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return status.Error(codes.InvalidArgument, "staging target path missing in request")
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}
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return nil
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}
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// ValidateNodeUnpublishVolumeRequest validates the node unpublish request.
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func ValidateNodeUnpublishVolumeRequest(req *csi.NodeUnpublishVolumeRequest) error {
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if req.GetVolumeId() == "" {
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return status.Error(codes.InvalidArgument, "volume ID missing in request")
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}
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if req.GetTargetPath() == "" {
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return status.Error(codes.InvalidArgument, "target path missing in request")
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}
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return nil
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}
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// CheckReadOnlyManyIsSupported checks the request is to create ReadOnlyMany
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// volume is from source as empty ReadOnlyMany is not supported.
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func CheckReadOnlyManyIsSupported(req *csi.CreateVolumeRequest) error {
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for _, capability := range req.GetVolumeCapabilities() {
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if m := capability.GetAccessMode().Mode; m == csi.VolumeCapability_AccessMode_MULTI_NODE_READER_ONLY || m == csi.VolumeCapability_AccessMode_SINGLE_NODE_READER_ONLY {
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if req.GetVolumeContentSource() == nil {
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return status.Error(codes.InvalidArgument, "readOnly accessMode is supported only with content source")
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}
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}
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}
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return nil
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}
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