55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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package machine
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import (
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"errors"
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"io/ioutil"
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"path/filepath"
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)
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// ErrNoMachines is returned when no valid or matching
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// docker machines are found in the docker-machine home
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// directory.
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var ErrNoMachines = errors.New("No Docker Machines found")
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// Load loads the docker-machine runners.
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func Load(home, match string) ([]*Config, error) {
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path := filepath.Join(home, "machines")
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entries, err := ioutil.ReadDir(path)
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if err != nil {
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return nil, err
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}
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// loop through the list of docker-machine home
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// and capture a list of matching subdirectories.
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var machines []*Config
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for _, entry := range entries {
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if entry.IsDir() == false {
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continue
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}
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name := entry.Name()
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confPath := filepath.Join(path, name, "config.json")
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conf, err := parseFile(confPath)
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if err != nil {
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return nil, err
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}
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// If no match logic is defined, the matchine is
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// automatically used as a build machine.
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if match == "" {
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machines = append(machines, conf)
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continue
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}
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// Else verify the machine matches the user-defined
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// pattern. Use as a build machine if a match exists
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match, _ := filepath.Match(match, conf.Name)
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if match {
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machines = append(machines, conf)
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}
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}
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if len(machines) == 0 {
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return nil, ErrNoMachines
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}
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return machines, nil
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}
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