39 lines
689 B
Go
39 lines
689 B
Go
package yandex
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import (
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"strings"
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"text/template"
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)
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func isalphanumeric(b byte) bool {
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if '0' <= b && b <= '9' {
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return true
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}
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if 'a' <= b && b <= 'z' {
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return true
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}
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return false
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}
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// Clean up resource name by replacing invalid characters with "-"
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// and converting upper cases to lower cases
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func templateCleanResourceName(s string) string {
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if reImageFamily.MatchString(s) {
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return s
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}
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b := []byte(strings.ToLower(s))
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newb := make([]byte, len(b))
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for i := range newb {
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if isalphanumeric(b[i]) {
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newb[i] = b[i]
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} else {
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newb[i] = '-'
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}
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}
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return string(newb)
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}
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var TemplateFuncs = template.FuncMap{
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"clean_resource_name": templateCleanResourceName,
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}
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