47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
/*
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© Copyright IBM Corporation 2017
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// Package name contains code to manage the queue manager name
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package name
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import (
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"os"
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"regexp"
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)
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// sanitizeQueueManagerName removes any invalid characters from a queue manager name
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func sanitizeQueueManagerName(name string) string {
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var re = regexp.MustCompile("[^a-zA-Z0-9._%/]")
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return re.ReplaceAllString(name, "")
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}
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// GetQueueManagerName resolves the queue manager name to use. Resolved from
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// either an environment variable, or the hostname.
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func GetQueueManagerName() (string, error) {
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var name string
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var err error
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name, ok := os.LookupEnv("MQ_QMGR_NAME")
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if !ok || name == "" {
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name, err = os.Hostname()
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if err != nil {
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return "", err
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}
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name = sanitizeQueueManagerName(name)
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}
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// TODO: What if the specified env variable is an invalid name?
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return name, nil
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}
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