3c53dcabdf
Proposed util functions can set variable amount of env vars at once, covered with unit tests and handles possible errors in more convenient way. Change-Id: Ibd31f528fba1b10be49d1e8cc5e5f29c6b3d902a Signed-off-by: Ruslan Aliev <raliev@mirantis.com>
49 lines
1.6 KiB
Go
Executable File
49 lines
1.6 KiB
Go
Executable File
/*
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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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https://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 util
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import (
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"os"
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"opendev.org/airship/airshipctl/pkg/log"
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)
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// EnvVar is an object to store key:value pairs to set/unset environment variables
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type EnvVar struct {
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Key string
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Value string
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}
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// Setenv is used to set variable number of env variables, if an error occurs it will be printed to logger
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func Setenv(envVars ...EnvVar) {
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for _, envVar := range envVars {
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if err := os.Setenv(envVar.Key, envVar.Value); err != nil {
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log.Printf("unable to set '%s' env variable, reason '%s'", envVar.Key, err.Error())
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}
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}
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}
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// Unsetenv is used to unset variable number of env variables, if an error occurs it will be printed to logger
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func Unsetenv(envVars ...EnvVar) {
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for _, envVar := range envVars {
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if err := os.Unsetenv(envVar.Key); err != nil {
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// Unsetenv on Unix never returns an error [1], so we can't emulate it in unit tests and
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// this error message will never be printed
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// [1] https://golang.org/src/syscall/env_unix.go
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log.Printf("unable to unset '%s' env variable, reason '%s'", envVar.Key, err.Error())
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}
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}
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}
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