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61 lines
2.0 KiB
61 lines
2.0 KiB
/*
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Copyright © 2020-2021 The k3d Author(s)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package docker
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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log "github.com/sirupsen/logrus"
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)
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func (d Docker) GetDockerMachineIP() (string, error) {
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machine := os.ExpandEnv("$DOCKER_MACHINE_NAME")
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if machine == "" {
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log.Tracef("Docker Machine not specified via DOCKER_MACHINE_NAME env var")
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return "", nil
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}
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log.Debugf("Docker Machine found: %s", machine)
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dockerMachinePath, err := exec.LookPath("docker-machine")
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if err != nil {
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if err == exec.ErrNotFound {
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log.Debugf("DOCKER_MACHINE_NAME env var present, but executable docker-machine not found: %+v", err)
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}
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return "", nil
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}
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out, err := exec.Command(dockerMachinePath, "ip", machine).Output()
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if err != nil {
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if exitError, ok := err.(*exec.ExitError); ok {
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return "", fmt.Errorf(string(exitError.Stderr))
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}
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return "", err
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}
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ipStr := strings.TrimSuffix(string(out), "\n")
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ipStr = strings.TrimSuffix(ipStr, "\r")
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return ipStr, nil
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}
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