mirror of https://github.com/k3d-io/k3d
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/* |
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Copyright © 2019 Thorsten Klein <iwilltry42@gmail.com> |
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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 cluster |
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import ( |
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"fmt" |
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"os" |
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"strings" |
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) |
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// ValidateVolumeFlag checks, if the source of volume mounts exists and if the destination is an absolute path
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func ValidateVolumeFlag(volumes []string) error { |
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for _, volume := range volumes { |
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src := "" |
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dest := "" |
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split := strings.Split(volume, ":") |
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if len(split) < 1 || len(split) > 2 { |
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return fmt.Errorf("Invalid volume mount '%s'", volume) |
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} |
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if len(split) == 1 { |
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dest = split[0] |
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} else { |
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src = split[0] |
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dest = split[1] |
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} |
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if src != "" { |
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if _, err := os.Stat(src); err != nil { |
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return fmt.Errorf("Failed to stat file/dir that you're trying to mount: '%s' in '%s'", src, volume) |
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} |
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} |
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if !strings.HasPrefix(dest, "/") { |
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return fmt.Errorf("Volume mount destination doesn't appear to be an absolute path: '%s' in '%s'", dest, volume) |
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} |
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} |
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return nil |
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} |
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