93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
package overlay
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import (
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"net"
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"os"
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"strconv"
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"time"
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"github.com/hpcng/warewulf/internal/pkg/node"
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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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)
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/*
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struct which contains the variables to which are available in
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the templates.
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*/
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type TemplateStruct struct {
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Id string
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Hostname string
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BuildHost string
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BuildTime string
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BuildTimeUnix string
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BuildSource string
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Ipaddr string
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Ipaddr6 string
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Netmask string
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Network string
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NetworkCIDR string
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Ipv6 bool
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Dhcp warewulfconf.DhcpConf
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Nfs warewulfconf.NfsConf
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Warewulf warewulfconf.WarewulfConf
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AllNodes []node.NodeInfo
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node.NodeConf
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// backward compatiblity
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Container string
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}
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/*
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Initialize an TemplateStruct with the given node.NodeInfo
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*/
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func InitStruct(nodeInfo node.NodeInfo) TemplateStruct {
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var tstruct TemplateStruct
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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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nodeDB, err := node.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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allNodes, err := nodeDB.FindAllNodes()
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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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// init some convininence vars
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tstruct.Id = nodeInfo.Id.Get()
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tstruct.Hostname = nodeInfo.Id.Get()
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tstruct.Id = nodeInfo.Id.Get()
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tstruct.Hostname = nodeInfo.Id.Get()
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// Backwards compatibility for templates using "Keys"
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tstruct.AllNodes = allNodes
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tstruct.Nfs = *controller.Nfs
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tstruct.Dhcp = *controller.Dhcp
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tstruct.Warewulf = *controller.Warewulf
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tstruct.Ipaddr = controller.Ipaddr
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tstruct.Ipaddr6 = controller.Ipaddr6
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tstruct.Netmask = controller.Netmask
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tstruct.Network = controller.Network
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netaddrStruct := net.IPNet{IP: net.ParseIP(controller.Network), Mask: net.IPMask(net.ParseIP(controller.Netmask))}
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tstruct.NetworkCIDR = netaddrStruct.String()
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if controller.Ipaddr6 != "" {
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tstruct.Ipv6 = true
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} else {
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tstruct.Ipv6 = false
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}
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hostname, _ := os.Hostname()
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tstruct.BuildHost = hostname
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dt := time.Now()
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tstruct.BuildTime = dt.Format("01-02-2006 15:04:05 MST")
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tstruct.BuildTimeUnix = strconv.FormatInt(dt.Unix(), 10)
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tstruct.NodeConf.GetFrom(nodeInfo)
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// backward compatibilty
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tstruct.Container = tstruct.ContainerName
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return tstruct
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}
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