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61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
// +build !luminous,!mimic
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package admin
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// For APIs that accept extra sets of "boolean" flags we may end up wanting
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// multiple different sets of supported flags. Example: most rm functions
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// accept a force flag, but only subvolume delete has retain snapshots.
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// To make this somewhat uniform in the admin package we define a utility
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// interface and helper function to merge flags with naming options.
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type flagSet interface {
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flags() map[string]bool
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}
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type commonRmFlags struct {
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force bool
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}
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func (f commonRmFlags) flags() map[string]bool {
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o := make(map[string]bool)
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if f.force {
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o["force"] = true
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}
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return o
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}
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// SubVolRmFlags does not embed other types to simplify and keep the
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// interface with the type flat and simple. At the cost of some code
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// duplication we get a nicer UX for those using the library.
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// SubVolRmFlags may be used to specify behavior modifying flags when
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// removing sub volumes.
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type SubVolRmFlags struct {
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Force bool
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RetainSnapshots bool
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}
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func (f SubVolRmFlags) flags() map[string]bool {
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o := make(map[string]bool)
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if f.Force {
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o["force"] = true
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}
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if f.RetainSnapshots {
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o["retain_snapshots"] = true
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}
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return o
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}
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// mergeFlags combines a set of key-value settings with any type implementing
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// the flagSet interface.
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func mergeFlags(m map[string]string, f flagSet) map[string]interface{} {
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o := make(map[string]interface{})
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for k, v := range m {
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o[k] = v
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}
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for k, v := range f.flags() {
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o[k] = v
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}
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return o
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}
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