mirror of
https://github.com/davidallendj/configurator.git
synced 2025-12-20 03:27:02 -07:00
85 lines
2.7 KiB
Go
85 lines
2.7 KiB
Go
package main
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import (
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"fmt"
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"strings"
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configurator "github.com/OpenCHAMI/configurator/internal"
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"github.com/OpenCHAMI/configurator/internal/generator"
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"github.com/OpenCHAMI/configurator/internal/util"
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)
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type DnsMasq struct{}
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func (g *DnsMasq) GetName() string {
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return "dnsmasq"
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}
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func (g *DnsMasq) GetVersion() string {
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return util.GitCommit()
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}
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func (g *DnsMasq) GetDescription() string {
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return fmt.Sprintf("Configurator generator plugin for '%s'.", g.GetName())
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}
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func (g *DnsMasq) Generate(config *configurator.Config, opts ...util.Option) (generator.Files, error) {
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// make sure we have a valid config first
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if config == nil {
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return nil, fmt.Errorf("invalid config (config is nil)")
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}
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// set all the defaults for variables
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var (
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params = generator.GetParams(opts...)
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client = generator.GetClient(params)
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targetKey = params["target"].(string) // required param
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target = config.Targets[targetKey]
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eths []configurator.EthernetInterface = nil
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err error = nil
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)
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// if we have a client, try making the request for the ethernet interfaces
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if client != nil {
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eths, err = client.FetchEthernetInterfaces(opts...)
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if err != nil {
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return nil, fmt.Errorf("failed to fetch ethernet interfaces with client: %v", err)
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}
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}
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// check if we have the required params first
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if eths == nil {
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return nil, fmt.Errorf("invalid ethernet interfaces (variable is nil)")
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}
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if len(eths) <= 0 {
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return nil, fmt.Errorf("no ethernet interfaces found")
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}
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// print message if verbose param found
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if verbose, ok := params["verbose"].(bool); ok {
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if verbose {
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fmt.Printf("template: \n%s\nethernet interfaces found: %v\n", strings.Join(target.Templates, "\n\t"), len(eths))
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}
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}
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// format output to write to config file
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output := "# ========== DYNAMICALLY GENERATED BY OPENCHAMI CONFIGURATOR ==========\n"
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for _, eth := range eths {
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if eth.Type == "NodeBMC" {
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output += "dhcp-host=" + eth.MacAddress + "," + eth.ComponentId + "," + eth.IpAddresses[0].IpAddress + "\n"
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} else {
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output += "dhcp-host=" + eth.MacAddress + "," + eth.ComponentId + "," + eth.IpAddresses[0].IpAddress + "\n"
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}
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}
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output += "# ====================================================================="
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// apply template substitutions and return output as byte array
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return generator.ApplyTemplates(generator.Mappings{
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"plugin_name": g.GetName(),
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"plugin_version": g.GetVersion(),
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"plugin_description": g.GetDescription(),
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"dhcp-hosts": output,
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}, target.Templates...)
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}
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var Generator DnsMasq
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