63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
package warewulfconf
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import (
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"fmt"
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"io/ioutil"
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"net"
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"github.com/brotherpowers/ipsubnet"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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"gopkg.in/yaml.v2"
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)
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var singleton ControllerConf
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func New() (ControllerConf, error) {
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var ret ControllerConf
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if (ControllerConf{}) == singleton {
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wwlog.Printf(wwlog.DEBUG, "Opening Warewulf configuration file: %s\n", ConfigFile)
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data, err := ioutil.ReadFile(ConfigFile)
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if err != nil {
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fmt.Printf("error reading Warewulf configuration file\n")
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return ret, err
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}
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wwlog.Printf(wwlog.DEBUG, "Unmarshaling the Warewulf configuration\n")
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err = yaml.Unmarshal(data, &ret)
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if err != nil {
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return ret, err
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}
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if ret.Ipaddr == "" {
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wwlog.Printf(wwlog.WARN, "IP address is not configured in warewulfd.conf\n")
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}
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if ret.Netmask == "" {
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wwlog.Printf(wwlog.WARN, "Netmask is not configured in warewulfd.conf\n")
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}
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if ret.Network == "" {
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mask := net.IPMask(net.ParseIP(ret.Netmask).To4())
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size, _ := mask.Size()
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sub := ipsubnet.SubnetCalculator(ret.Ipaddr, size)
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ret.Network = sub.GetNetworkPortion()
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}
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if ret.Warewulf.Port == 0 {
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ret.Warewulf.Port = 9873
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}
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wwlog.Printf(wwlog.DEBUG, "Returning warewulf config object\n")
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singleton = ret
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} else {
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wwlog.Printf(wwlog.DEBUG, "Returning cached warewulf config object\n")
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ret = singleton
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}
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return ret, nil
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}
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