87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
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package network
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import (
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"fmt"
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"io"
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"os"
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"path"
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"strings"
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)
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func ProcessDebianNetconf(config string) ([]InterfaceGenerator, error) {
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lines := formatConfig(config)
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stanzas, err := parseStanzas(lines)
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if err != nil {
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return nil, err
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}
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interfaces := make([]*stanzaInterface, 0, len(stanzas))
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for _, stanza := range stanzas {
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switch s := stanza.(type) {
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case *stanzaInterface:
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interfaces = append(interfaces, s)
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}
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}
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return buildInterfaces(interfaces), nil
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}
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func WriteConfigs(configPath string, interfaces []InterfaceGenerator) error {
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if err := os.MkdirAll(configPath, os.ModePerm+os.ModeDir); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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for _, iface := range interfaces {
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filename := path.Join(configPath, fmt.Sprintf("%s.netdev", iface.Name()))
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if err := writeConfig(filename, iface.GenerateNetdevConfig()); err != nil {
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return err
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}
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filename = path.Join(configPath, fmt.Sprintf("%s.link", iface.Name()))
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if err := writeConfig(filename, iface.GenerateLinkConfig()); err != nil {
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return err
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}
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filename = path.Join(configPath, fmt.Sprintf("%s.network", iface.Name()))
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if err := writeConfig(filename, iface.GenerateNetworkConfig()); err != nil {
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return err
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}
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}
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return nil
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}
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func writeConfig(filename string, config string) error {
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if config == "" {
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return nil
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}
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if file, err := os.Create(filename); err == nil {
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io.WriteString(file, config)
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file.Close()
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return nil
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} else {
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return err
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}
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}
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func formatConfig(config string) []string {
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lines := []string{}
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config = strings.Replace(config, "\\\n", "", -1)
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for config != "" {
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split := strings.SplitN(config, "\n", 2)
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line := strings.TrimSpace(split[0])
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if len(split) == 2 {
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config = split[1]
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} else {
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config = ""
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}
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if strings.HasPrefix(line, "#") || line == "" {
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continue
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}
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lines = append(lines, line)
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}
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return lines
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}
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