mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright 2017 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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//go:build !cov
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// +build !cov
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package e2e
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import (
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"fmt"
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"os"
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"strings"
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"go.etcd.io/etcd/pkg/expect"
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)
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const noOutputLineCount = 0 // regular binaries emit no extra lines
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func spawnCmd(args []string) (*expect.ExpectProcess, error) {
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return spawnCmdWithEnv(args, nil)
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}
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func spawnCmdWithEnv(args []string, envVars map[string]string) (*expect.ExpectProcess, error) {
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env := mergeEnvVariables(envVars)
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switch {
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case strings.HasSuffix(args[0], ctlBinPath+"2"):
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env = append(env, "ETCDCTL_API=2")
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args[0] = ctlBinPath
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case strings.HasSuffix(args[0], ctlBinPath+"3"):
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env = append(env, "ETCDCTL_API=3")
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args[0] = ctlBinPath
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}
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return expect.NewExpectWithEnv(args[0], args[1:], env)
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}
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func mergeEnvVariables(envVars map[string]string) []string {
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var env []string
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// Environment variables are passed as parameter have higher priority
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// than os environment variables.
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for k, v := range envVars {
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env = append(env, fmt.Sprintf("%s=%s", k, v))
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}
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// Now, we can set os environment variables not passed as parameter.
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currVars := os.Environ()
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for _, v := range currVars {
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p := strings.Split(v, "=")
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if _, ok := envVars[p[0]]; !ok {
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env = append(env, fmt.Sprintf("%s=%s", p[0], p[1]))
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}
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}
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return env
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}
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