54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package configure
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import (
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"fmt"
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"os"
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"github.com/hpcng/warewulf/internal/pkg/overlay"
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"github.com/hpcng/warewulf/internal/pkg/util"
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"github.com/hpcng/warewulf/internal/pkg/warewulfconf"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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"github.com/pkg/errors"
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)
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/*
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Configures the dhcpd server, when show is set to false, else the
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dhcp configuration is checked.
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*/
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func Dhcp() error {
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controller, err := warewulfconf.New()
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "%s\n", err)
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os.Exit(1)
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}
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if !controller.Dhcp.Enabled {
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wwlog.Printf(wwlog.INFO, "This system is not configured as a Warewulf DHCP controller\n")
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os.Exit(1)
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}
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if controller.Dhcp.RangeStart == "" {
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wwlog.Printf(wwlog.ERROR, "Configuration is not defined: `dhcpd range start`\n")
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os.Exit(1)
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}
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if controller.Dhcp.RangeEnd == "" {
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wwlog.Printf(wwlog.ERROR, "Configuration is not defined: `dhcpd range end`\n")
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os.Exit(1)
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}
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if controller.Warewulf.EnableHostOverlay {
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err = overlay.BuildHostOverlay()
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if err != nil {
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wwlog.Printf(wwlog.WARN, "host overlay could not be built: %s\n", err)
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}
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}
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fmt.Printf("Enabling and restarting the DHCP services\n")
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err = util.SystemdStart(controller.Dhcp.SystemdName)
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if err != nil {
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return errors.Wrap(err, "failed to start")
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}
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return nil
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}
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