97 lines
2.6 KiB
Go
97 lines
2.6 KiB
Go
package overlay
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/gob"
|
|
"os"
|
|
"strconv"
|
|
"time"
|
|
|
|
warewulfconf "github.com/warewulf/warewulf/internal/pkg/config"
|
|
"github.com/warewulf/warewulf/internal/pkg/kernel"
|
|
"github.com/warewulf/warewulf/internal/pkg/node"
|
|
)
|
|
|
|
/*
|
|
struct which contains the variables to which are available in
|
|
the templates.
|
|
*/
|
|
type TemplateStruct struct {
|
|
Id string
|
|
Hostname string
|
|
BuildHost string
|
|
BuildTime string
|
|
BuildTimeUnix string
|
|
BuildSource string
|
|
Ipaddr string
|
|
Ipaddr6 string
|
|
Netmask string
|
|
Network string
|
|
NetworkCIDR string
|
|
Overlay string
|
|
Ipv6 bool
|
|
Dhcp warewulfconf.DHCPConf
|
|
Nfs warewulfconf.NFSConf
|
|
Ssh warewulfconf.SSHConf
|
|
Warewulf warewulfconf.WarewulfConf
|
|
Tftp warewulfconf.TFTPConf
|
|
Paths warewulfconf.BuildConfig
|
|
AllNodes []node.Node
|
|
Resources map[string]node.Resource
|
|
node.Node
|
|
// backward compatiblity
|
|
Container string
|
|
ThisNode *node.Node
|
|
}
|
|
|
|
/*
|
|
Initialize an TemplateStruct with the given node.NodeInfo
|
|
*/
|
|
func InitStruct(overlayName string, nodeData node.Node, allNodes []node.Node, resources map[string]node.Resource) (TemplateStruct, error) {
|
|
var tstruct TemplateStruct
|
|
tstruct.Overlay = overlayName
|
|
hostname, _ := os.Hostname()
|
|
tstruct.BuildHost = hostname
|
|
controller := warewulfconf.Get()
|
|
tstruct.ThisNode = &nodeData
|
|
if tstruct.ThisNode.Kernel == nil {
|
|
tstruct.ThisNode.Kernel = new(node.KernelConf)
|
|
}
|
|
if tstruct.ThisNode.Kernel.Version == "" {
|
|
if kernel_ := kernel.FromNode(tstruct.ThisNode); kernel_ != nil {
|
|
tstruct.ThisNode.Kernel.Version = kernel_.Version()
|
|
}
|
|
}
|
|
tstruct.Nfs = *controller.NFS
|
|
tstruct.Ssh = *controller.SSH
|
|
tstruct.Dhcp = *controller.DHCP
|
|
tstruct.Tftp = *controller.TFTP
|
|
tstruct.Paths = *controller.Paths
|
|
tstruct.Warewulf = *controller.Warewulf
|
|
tstruct.Ipaddr = controller.Ipaddr
|
|
tstruct.Ipaddr6 = controller.Ipaddr6
|
|
tstruct.Netmask = controller.Netmask
|
|
tstruct.Network = controller.Network
|
|
// init some convenience vars
|
|
tstruct.Id = nodeData.Id()
|
|
tstruct.Hostname = nodeData.Id()
|
|
tstruct.Container = nodeData.ContainerName
|
|
// Backwards compatibility for templates using "Keys"
|
|
tstruct.AllNodes = allNodes
|
|
dt := time.Now()
|
|
tstruct.BuildTime = dt.Format("01-02-2006 15:04:05 MST")
|
|
tstruct.BuildTimeUnix = strconv.FormatInt(dt.Unix(), 10)
|
|
// tstruct.Node.Tags = map[string]string{}
|
|
tstruct.Resources = resources
|
|
var buf bytes.Buffer
|
|
enc := gob.NewEncoder(&buf)
|
|
dec := gob.NewDecoder(&buf)
|
|
if err := enc.Encode(nodeData); err != nil {
|
|
return tstruct, err
|
|
}
|
|
if err := dec.Decode(&tstruct); err != nil {
|
|
return tstruct, err
|
|
}
|
|
return tstruct, nil
|
|
}
|