mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
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32 lines
652 B
Go
32 lines
652 B
Go
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package capabilities
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import (
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"fmt"
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"strings"
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"github.com/syndtr/gocapability/capability"
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)
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// CapValid checks whether a capability is valid
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func CapValid(c string, hostSpecific bool) error {
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isValid := false
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if !strings.HasPrefix(c, "CAP_") {
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return fmt.Errorf("capability %s must start with CAP_", c)
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}
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for _, cap := range capability.List() {
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if c == fmt.Sprintf("CAP_%s", strings.ToUpper(cap.String())) {
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if hostSpecific && cap > LastCap() {
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return fmt.Errorf("%s is not supported on the current host", c)
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}
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isValid = true
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break
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}
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}
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if !isValid {
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return fmt.Errorf("invalid capability: %s", c)
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}
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return nil
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}
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