41 lines
1.4 KiB
Go
41 lines
1.4 KiB
Go
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package customdiff
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import (
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"github.com/hashicorp/terraform/helper/schema"
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)
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// ForceNewIf returns a CustomizeDiffFunc that flags the given key as
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// requiring a new resource if the given condition function returns true.
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//
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// The return value of the condition function is ignored if the old and new
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// values of the field compare equal, since no attribute diff is generated in
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// that case.
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func ForceNewIf(key string, f ResourceConditionFunc) schema.CustomizeDiffFunc {
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return func(d *schema.ResourceDiff, meta interface{}) error {
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if f(d, meta) {
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d.ForceNew(key)
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}
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return nil
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}
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}
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// ForceNewIfChange returns a CustomizeDiffFunc that flags the given key as
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// requiring a new resource if the given condition function returns true.
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//
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// The return value of the condition function is ignored if the old and new
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// values compare equal, since no attribute diff is generated in that case.
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//
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// This function is similar to ForceNewIf but provides the condition function
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// only the old and new values of the given key, which leads to more compact
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// and explicit code in the common case where the decision can be made with
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// only the specific field value.
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func ForceNewIfChange(key string, f ValueChangeConditionFunc) schema.CustomizeDiffFunc {
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return func(d *schema.ResourceDiff, meta interface{}) error {
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old, new := d.GetChange(key)
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if f(old, new, meta) {
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d.ForceNew(key)
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}
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return nil
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}
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}
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