25 lines
585 B
Go
25 lines
585 B
Go
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package terraform
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import (
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"crypto/md5"
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"encoding/hex"
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)
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// PathCacheKey returns a cache key for a module path.
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//
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// TODO: test
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func PathCacheKey(path []string) string {
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// There is probably a better way to do this, but this is working for now.
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// We just create an MD5 hash of all the MD5 hashes of all the path
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// elements. This gets us the property that it is unique per ordering.
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hash := md5.New()
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for _, p := range path {
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single := md5.Sum([]byte(p))
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if _, err := hash.Write(single[:]); err != nil {
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panic(err)
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}
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}
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return hex.EncodeToString(hash.Sum(nil))
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}
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