/
utils.go
38 lines (33 loc) · 1.15 KB
/
utils.go
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// Copyright 2018 Capital One Services, LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ssm
import (
"regexp"
"strings"
)
// IsManagedInstance tests whether the provided EC2 instance identifier is
// managed.
func IsManagedInstance(s string) bool {
return strings.HasPrefix(s, "mi-")
}
// original Java regexp for a valid tag: ^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$
var invalidTagRegexp = regexp.MustCompile(`[^a-zA-Z0-9\s_.:/=+\-@]`)
func SanitizeTag(t string) string {
// special case of key: value# comment is this
if i := strings.Index(t, "#"); i != -1 {
t = t[:i]
}
t = strings.TrimSpace(t)
return invalidTagRegexp.ReplaceAllString(t, "")
}