Files
warewulf/internal/pkg/warewulfd/nodedb.go
Gregory Kurtzer dd1cf6f4a5 Don't force LC on node set
This makes it so we can never UNDEF/DELETE an entry as that requires
upper case. So we are doing the lower case now where it matters.
2022-05-03 21:53:47 -07:00

60 lines
876 B
Go

package warewulfd
import (
"strings"
"sync"
"github.com/pkg/errors"
"github.com/hpcng/warewulf/internal/pkg/node"
)
type nodeDB struct {
lock sync.RWMutex
NodeInfo map[string]node.NodeInfo
}
var (
db nodeDB
)
func LoadNodeDB() error {
TmpMap := make(map[string]node.NodeInfo)
DB, err := node.New()
if err != nil {
return err
}
nodes, err := DB.FindAllNodes()
if err != nil {
return err
}
for _, n := range nodes {
for _, netdev := range n.NetDevs {
hwaddr := strings.ToLower(netdev.Hwaddr.Get())
TmpMap[hwaddr] = n
}
}
db.lock.Lock()
defer db.lock.Unlock()
db.NodeInfo = TmpMap
return nil
}
func GetNode(val string) (node.NodeInfo, error) {
db.lock.RLock()
defer db.lock.RUnlock()
if _, ok := db.NodeInfo[val]; ok {
return db.NodeInfo[val], nil
}
var empty node.NodeInfo
return empty, errors.New("No node found")
}