266 lines
7.4 KiB
Go
266 lines
7.4 KiB
Go
package node
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import (
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"errors"
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"io/ioutil"
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"sort"
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"strings"
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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 ConfigFile = "/etc/warewulf/nodes.conf"
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func New() (nodeYaml, error) {
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var ret nodeYaml
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wwlog.Printf(wwlog.VERBOSE, "Opening node 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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return ret, err
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}
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wwlog.Printf(wwlog.DEBUG, "Unmarshaling the node 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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wwlog.Printf(wwlog.DEBUG, "Returning node object\n")
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return ret, nil
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}
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func (config *nodeYaml) FindAllNodes() ([]NodeInfo, error) {
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var ret []NodeInfo
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wwlog.Printf(wwlog.DEBUG, "Finding all nodes...\n")
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for nodename, node := range config.Nodes {
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var n NodeInfo
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wwlog.Printf(wwlog.DEBUG, "In node loop: %s\n", nodename)
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n.NetDevs = make(map[string]*NetDevEntry)
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n.Keys = make(map[string]*Entry)
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n.SystemOverlay.SetDefault("default")
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n.RuntimeOverlay.SetDefault("default")
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n.Ipxe.SetDefault("default")
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n.Init.SetDefault("/sbin/init")
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n.Root.SetDefault("initramfs")
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n.KernelArgs.SetDefault("quiet crashkernel=no vga=791 rootfstype=rootfs")
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fullname := strings.SplitN(nodename, ".", 2)
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if len(fullname) > 1 {
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n.ClusterName.SetDefault(fullname[1])
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}
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if len(node.Profiles) == 0 {
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n.Profiles = []string{"default"}
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} else {
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n.Profiles = node.Profiles
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}
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n.Id.Set(nodename)
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n.Comment.Set(node.Comment)
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n.ContainerName.Set(node.ContainerName)
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n.KernelVersion.Set(node.KernelVersion)
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n.KernelArgs.Set(node.KernelArgs)
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n.ClusterName.Set(node.ClusterName)
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n.Ipxe.Set(node.Ipxe)
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n.Init.Set(node.Init)
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n.IpmiIpaddr.Set(node.IpmiIpaddr)
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n.IpmiNetmask.Set(node.IpmiNetmask)
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n.IpmiPort.Set(node.IpmiPort)
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n.IpmiGateway.Set(node.IpmiGateway)
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n.IpmiUserName.Set(node.IpmiUserName)
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n.IpmiPassword.Set(node.IpmiPassword)
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n.IpmiInterface.Set(node.IpmiInterface)
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n.SystemOverlay.Set(node.SystemOverlay)
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n.RuntimeOverlay.Set(node.RuntimeOverlay)
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n.Root.Set(node.Root)
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n.Discoverable.SetB(node.Discoverable)
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for devname, netdev := range node.NetDevs {
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if _, ok := n.NetDevs[devname]; !ok {
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var netdev NetDevEntry
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n.NetDevs[devname] = &netdev
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}
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n.NetDevs[devname].Ipaddr.Set(netdev.Ipaddr)
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n.NetDevs[devname].Netmask.Set(netdev.Netmask)
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n.NetDevs[devname].Hwaddr.Set(netdev.Hwaddr)
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n.NetDevs[devname].Gateway.Set(netdev.Gateway)
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n.NetDevs[devname].Type.Set(netdev.Type)
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n.NetDevs[devname].Default.SetB(netdev.Default)
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}
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for keyname, key := range node.Keys {
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if _, ok := n.Keys[keyname]; !ok {
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var key Entry
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n.Keys[keyname] = &key
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}
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n.Keys[keyname].Set(key)
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}
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for _, p := range n.Profiles {
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if _, ok := config.NodeProfiles[p]; !ok {
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wwlog.Printf(wwlog.WARN, "Profile not found for node '%s': %s\n", nodename, p)
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continue
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}
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wwlog.Printf(wwlog.VERBOSE, "Merging profile into node: %s <- %s\n", nodename, p)
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n.Comment.SetAlt(config.NodeProfiles[p].Comment, p)
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n.ClusterName.SetAlt(config.NodeProfiles[p].ClusterName, p)
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n.ContainerName.SetAlt(config.NodeProfiles[p].ContainerName, p)
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n.KernelVersion.SetAlt(config.NodeProfiles[p].KernelVersion, p)
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n.KernelArgs.SetAlt(config.NodeProfiles[p].KernelArgs, p)
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n.Ipxe.SetAlt(config.NodeProfiles[p].Ipxe, p)
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n.Init.SetAlt(config.NodeProfiles[p].Init, p)
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n.IpmiIpaddr.SetAlt(config.NodeProfiles[p].IpmiIpaddr, p)
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n.IpmiNetmask.SetAlt(config.NodeProfiles[p].IpmiNetmask, p)
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n.IpmiPort.SetAlt(config.NodeProfiles[p].IpmiPort, p)
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n.IpmiGateway.SetAlt(config.NodeProfiles[p].IpmiGateway, p)
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n.IpmiUserName.SetAlt(config.NodeProfiles[p].IpmiUserName, p)
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n.IpmiPassword.SetAlt(config.NodeProfiles[p].IpmiPassword, p)
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n.IpmiInterface.SetAlt(config.NodeProfiles[p].IpmiInterface, p)
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n.SystemOverlay.SetAlt(config.NodeProfiles[p].SystemOverlay, p)
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n.RuntimeOverlay.SetAlt(config.NodeProfiles[p].RuntimeOverlay, p)
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n.Discoverable.SetAltB(config.NodeProfiles[p].Discoverable, p)
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n.Root.SetAlt(config.NodeProfiles[p].Root, p)
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for devname, netdev := range config.NodeProfiles[p].NetDevs {
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if _, ok := n.NetDevs[devname]; !ok {
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var netdev NetDevEntry
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n.NetDevs[devname] = &netdev
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}
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wwlog.Printf(wwlog.DEBUG, "Updating profile (%s) netdev: %s\n", p, devname)
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n.NetDevs[devname].Ipaddr.SetAlt(netdev.Ipaddr, p)
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n.NetDevs[devname].Netmask.SetAlt(netdev.Netmask, p)
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n.NetDevs[devname].Hwaddr.SetAlt(netdev.Hwaddr, p)
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n.NetDevs[devname].Gateway.SetAlt(netdev.Gateway, p)
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n.NetDevs[devname].Type.SetAlt(netdev.Type, p)
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n.NetDevs[devname].Default.SetAltB(netdev.Default, p)
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}
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for keyname, key := range config.NodeProfiles[p].Keys {
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if _, ok := n.Keys[keyname]; !ok {
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var key Entry
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n.Keys[keyname] = &key
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}
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n.Keys[keyname].SetAlt(key, p)
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}
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}
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ret = append(ret, n)
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}
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sort.Slice(ret, func(i, j int) bool {
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if ret[i].ClusterName.Get() < ret[j].ClusterName.Get() {
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return true
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} else if ret[i].ClusterName.Get() == ret[j].ClusterName.Get() {
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if ret[i].Id.Get() < ret[j].Id.Get() {
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return true
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}
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}
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return false
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})
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return ret, nil
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}
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func (config *nodeYaml) FindAllProfiles() ([]NodeInfo, error) {
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var ret []NodeInfo
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for name, profile := range config.NodeProfiles {
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var p NodeInfo
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p.NetDevs = make(map[string]*NetDevEntry)
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p.Keys = make(map[string]*Entry)
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p.Id.Set(name)
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p.Comment.Set(profile.Comment)
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p.ClusterName.Set(profile.ClusterName)
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p.ContainerName.Set(profile.ContainerName)
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p.Ipxe.Set(profile.Ipxe)
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p.Init.Set(profile.Init)
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p.KernelVersion.Set(profile.KernelVersion)
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p.KernelArgs.Set(profile.KernelArgs)
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p.IpmiNetmask.Set(profile.IpmiNetmask)
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p.IpmiPort.Set(profile.IpmiPort)
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p.IpmiGateway.Set(profile.IpmiGateway)
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p.IpmiUserName.Set(profile.IpmiUserName)
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p.IpmiPassword.Set(profile.IpmiPassword)
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p.IpmiInterface.Set(profile.IpmiInterface)
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p.RuntimeOverlay.Set(profile.RuntimeOverlay)
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p.SystemOverlay.Set(profile.SystemOverlay)
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p.Root.Set(profile.Root)
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p.Discoverable.SetB(profile.Discoverable)
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for devname, netdev := range profile.NetDevs {
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if _, ok := p.NetDevs[devname]; !ok {
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var netdev NetDevEntry
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p.NetDevs[devname] = &netdev
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}
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wwlog.Printf(wwlog.DEBUG, "Updating profile netdev: %s\n", devname)
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p.NetDevs[devname].Ipaddr.Set(netdev.Ipaddr)
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p.NetDevs[devname].Netmask.Set(netdev.Netmask)
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p.NetDevs[devname].Hwaddr.Set(netdev.Hwaddr)
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p.NetDevs[devname].Gateway.Set(netdev.Gateway)
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p.NetDevs[devname].Type.Set(netdev.Type)
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p.NetDevs[devname].Default.SetB(netdev.Default)
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}
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for keyname, key := range profile.Keys {
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if _, ok := p.Keys[keyname]; !ok {
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var key Entry
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p.Keys[keyname] = &key
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}
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p.Keys[keyname].Set(key)
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}
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// TODO: Validate or die on all inputs
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ret = append(ret, p)
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}
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sort.Slice(ret, func(i, j int) bool {
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if ret[i].ClusterName.Get() < ret[j].ClusterName.Get() {
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return true
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} else if ret[i].ClusterName.Get() == ret[j].ClusterName.Get() {
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if ret[i].Id.Get() < ret[j].Id.Get() {
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return true
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}
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}
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return false
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})
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return ret, nil
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}
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func (config *nodeYaml) FindDiscoverableNode() (NodeInfo, string, error) {
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var ret NodeInfo
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nodes, _ := config.FindAllNodes()
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for _, node := range nodes {
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if !node.Discoverable.GetB() {
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continue
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}
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for netdev, dev := range node.NetDevs {
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if !dev.Hwaddr.Defined() {
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return node, netdev, nil
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}
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}
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}
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return ret, "", errors.New("No unconfigured nodes found")
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}
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