Files
warewulf/internal/pkg/node/modify.go

223 lines
7.0 KiB
Go

package node
import (
"github.com/hpcng/warewulf/internal/pkg/errors"
"github.com/hpcng/warewulf/internal/pkg/util"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
"gopkg.in/yaml.v2"
"os"
"strings"
)
func (self *nodeYaml) AddGroup(groupID string) error {
var group nodeGroup
if _, ok := self.NodeGroups[groupID]; ok {
return errors.New("Group name already exists: " + groupID)
}
self.NodeGroups[groupID] = &group
self.NodeGroups[groupID].DomainSuffix = groupID
return nil
}
func (self *nodeYaml) AddNode(groupID string, nodeID string) error {
var node nodeEntry
wwlog.Printf(wwlog.VERBOSE, "Adding new node: %s/%s\n", groupID, nodeID)
if _, ok := self.NodeGroups[groupID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID]; ok {
return errors.New("Nodename already exists in group: " + nodeID)
}
} else {
return errors.New("Group does not exist: "+groupID)
}
self.NodeGroups[groupID].Nodes[nodeID] = &node
self.NodeGroups[groupID].Nodes[nodeID].Hostname = nodeID
return nil
}
func (self *nodeYaml) DelNode(groupID string, nodeID string) error {
if _, ok := self.NodeGroups[groupID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID]; ok {
delete(self.NodeGroups[groupID].Nodes, nodeID)
wwlog.Printf(wwlog.VERBOSE, "Deleting node: %s/%s\n", groupID, nodeID)
} else {
return errors.New("Node '"+nodeID+"' was not found in group '"+groupID+"'")
}
} else {
return errors.New("Group '"+groupID+"' was not found")
}
return nil
}
func (self *nodeYaml) DelNodeNet(groupID string, nodeID string, netDev string) error {
if _, ok := self.NodeGroups[groupID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev]; ok {
wwlog.Printf(wwlog.VERBOSE, "Deleting node network device: %s/%s:%s\n", groupID, nodeID, netDev)
delete(self.NodeGroups[groupID].Nodes[nodeID].NetDevs, netDev)
} else {
return errors.New("Network device '"+netDev+"' was not found in node '"+groupID+"/"+nodeID+"'")
}
} else {
return errors.New("Node '"+nodeID+"' was not found in group '"+groupID+"'")
}
} else {
return errors.New("Group '"+groupID+"' was not found")
}
return nil
}
func (self *nodeYaml) DelGroup(groupname string) error {
if _, ok := self.NodeGroups[groupname]; ok {
delete(self.NodeGroups, groupname)
} else {
return errors.New("Node group undefined: " + groupname)
}
return nil
}
func (self *nodeYaml) SetGroupVal(groupID string, entry string, value string) error {
if strings.ToUpper(value) == "UNDEF" || strings.ToUpper(value) == "NIL" || strings.ToUpper(value) == "DEL" {
value = ""
}
if _, ok := self.NodeGroups[groupID]; ok {
wwlog.Printf(wwlog.VERBOSE, "Setting group %s to: %s = '%s'\n", groupID, entry, value )
switch strings.ToUpper(entry) {
case "DOMAINSUFFIX":
util.ValidateOrDie("Domain", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].DomainSuffix = value
}
} else {
return errors.New("Group does not exist: " +groupID)
}
return nil
}
func (self *nodeYaml) SetNodeVal(groupID string, nodeID string, entry string, value string) error {
if strings.ToUpper(value) == "UNDEF" || strings.ToUpper(value) == "NIL" || strings.ToUpper(value) == "DEL" {
value = ""
}
if _, ok := self.NodeGroups[groupID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID]; ok {
wwlog.Printf(wwlog.VERBOSE, "Setting node %s/%s to: %s = '%s'\n", groupID, nodeID, entry, value )
switch strings.ToUpper(entry) {
case "VNFS":
util.ValidateOrDie("VNFS", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].Vnfs = value
case "KERNEL":
util.ValidateOrDie("Kernel Version", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].KernelVersion = value
case "DOMAINSUFFIX":
util.ValidateOrDie("Domain", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].DomainSuffix = value
case "IPXE":
util.ValidateOrDie("iPXE Template", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].Ipxe = value
case "HOSTNAME":
util.ValidateOrDie("Hostname", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].Hostname = value
case "IPMIIPADDR":
util.ValidateOrDie("IPMI IP Address", entry, "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$")
self.NodeGroups[groupID].Nodes[nodeID].IpmiIpaddr = value
case "IPMIUSERNAME":
util.ValidateOrDie("IPMI Username", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].IpmiUserName = value
case "IPMIPASSWORD":
util.ValidateOrDie("IPMI Password", entry, "^[a-zA-Z0-9-._]*$")
self.NodeGroups[groupID].Nodes[nodeID].IpmiPassword = value
}
} else {
return errors.New("Node does not exist: " +groupID+ "/" +nodeID)
}
} else {
return errors.New("Group does not exist: " +groupID)
}
return nil
}
func (self *nodeYaml) SetNodeNet(groupID string, nodeID string, netDev string, entry string, value string) error {
if strings.ToUpper(value) == "UNDEF" || strings.ToUpper(value) == "NIL" || strings.ToUpper(value) == "DEL" {
value = ""
}
if _, ok := self.NodeGroups[groupID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID]; ok {
if _, ok := self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev]; ok {
wwlog.Printf(wwlog.VERBOSE, "Editing existing node NetDev entry for node: %s/%s\n", groupID, nodeID)
} else {
var nd NetDevs
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev] = &nd
}
} else {
return errors.New("Node does not exist: "+groupID+"/"+nodeID)
}
} else {
return errors.New("Group does not exist: "+groupID)
}
switch strings.ToUpper(entry) {
case "IPADDR":
util.ValidateOrDie("IP address", value, "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$")
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev].Ipaddr = value
case "NETMASK":
util.ValidateOrDie("Netmask", value, "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$")
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev].Netmask = value
case "GATEWAY":
util.ValidateOrDie("Gateway", value, "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$")
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev].Gateway = value
case "TYPE":
util.ValidateOrDie("Network device type", value, "^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$")
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev].Type = value
case "HWADDR":
util.ValidateOrDie("HW address", value, "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$")
self.NodeGroups[groupID].Nodes[nodeID].NetDevs[netDev].Hwaddr = value
}
return nil
}
func (self *nodeYaml) Persist() error {
out, err := yaml.Marshal(self)
if err != nil {
return err
}
file, err := os.OpenFile(ConfigFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
wwlog.Printf(wwlog.ERROR, "%s\n", err)
os.Exit(1)
}
defer file.Close()
_, err = file.WriteString(string(out))
if err != nil {
return err
}
return nil
}