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https://github.com/ceph/ceph-csi.git
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0d1c2aa983
This commit update go-ceph to v0.13.0 and change CEPH_VERSION in build.env to pacific. Signed-off-by: Rakshith R <rar@redhat.com>
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package admin
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import (
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"encoding/json"
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"fmt"
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)
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// ByteCount represents the size of a volume in bytes.
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type ByteCount uint64
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// SI byte size constants. keep these private for now.
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const (
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kibiByte ByteCount = 1024
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mebiByte = 1024 * kibiByte
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gibiByte = 1024 * mebiByte
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tebiByte = 1024 * gibiByte
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)
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// resizeValue returns a size value as a string, as needed by the subvolume
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// resize command json.
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func (bc ByteCount) resizeValue() string {
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return uint64String(uint64(bc))
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}
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// QuotaSize interface values can be used to change the size of a volume.
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type QuotaSize interface {
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resizeValue() string
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}
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// specialSize is a custom non-numeric quota size value.
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type specialSize string
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// resizeValue for a specialSize returns the original string value.
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func (s specialSize) resizeValue() string {
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return string(s)
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}
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// Infinite is a special QuotaSize value that can be used to clear size limits
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// on a subvolume.
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const Infinite = specialSize("infinite")
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// quotaSizePlaceholder types are helpful to extract QuotaSize typed values
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// from JSON responses.
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type quotaSizePlaceholder struct {
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Value QuotaSize
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}
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func (p *quotaSizePlaceholder) UnmarshalJSON(b []byte) error {
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var val interface{}
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if err := json.Unmarshal(b, &val); err != nil {
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return err
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}
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switch v := val.(type) {
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case string:
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if v == string(Infinite) {
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p.Value = Infinite
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} else {
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return fmt.Errorf("quota size: invalid string value: %q", v)
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}
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case float64:
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p.Value = ByteCount(v)
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default:
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return fmt.Errorf("quota size: invalid type, string or number required: %v (%T)", val, val)
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}
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return nil
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}
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