106 lines
2.4 KiB
Go
106 lines
2.4 KiB
Go
package apinode
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import (
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"encoding/hex"
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"fmt"
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"os"
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"github.com/pkg/errors"
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"github.com/warewulf/warewulf/internal/pkg/api/routes/wwapiv1"
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"github.com/warewulf/warewulf/internal/pkg/hostlist"
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"github.com/warewulf/warewulf/internal/pkg/node"
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"github.com/warewulf/warewulf/internal/pkg/warewulfd"
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"github.com/warewulf/warewulf/internal/pkg/wwlog"
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)
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// NodeDelete adds nodes for management by Warewulf.
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func NodeDelete(ndp *wwapiv1.NodeDeleteParameter) (err error) {
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var nodeList []node.NodeConf
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nodeList, err = NodeDeleteParameterCheck(ndp, false)
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if err != nil {
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return
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}
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nodeDB, err := node.New()
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if err != nil {
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wwlog.Error("Failed to open node database: %s", err)
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return
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}
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dbHash := nodeDB.Hash()
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if hex.EncodeToString(dbHash[:]) != ndp.Hash && !ndp.Force {
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return fmt.Errorf("got wrong hash, not modifying node database")
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}
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for _, n := range nodeList {
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err := nodeDB.DelNode(n.Id())
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if err != nil {
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wwlog.Error("%s", err)
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} else {
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wwlog.Verbose("Deleting node: %s\n", n.Id())
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}
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}
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err = nodeDB.Persist()
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if err != nil {
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return errors.Wrap(err, "failed to persist nodedb")
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}
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err = warewulfd.DaemonReload()
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if err != nil {
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return errors.Wrap(err, "failed to reload warewulf daemon")
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}
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return
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}
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// NodeDeleteParameterCheck does error checking on NodeDeleteParameter.
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// Output to the console if console is true.
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// Returns the nodes to delete.
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func NodeDeleteParameterCheck(ndp *wwapiv1.NodeDeleteParameter, console bool) (nodeList []node.NodeConf, err error) {
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if ndp == nil {
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err = fmt.Errorf("NodeDeleteParameter is nil")
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return
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}
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nodeDB, err := node.New()
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if err != nil {
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wwlog.Error("Failed to open node database: %s", err)
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return
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}
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dbHash := nodeDB.Hash()
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if hex.EncodeToString(dbHash[:]) != ndp.Hash && !ndp.Force {
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wwlog.Debug("got hash: %s", ndp.Hash)
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wwlog.Debug("actual hash: %s", hex.EncodeToString(dbHash[:]))
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err = fmt.Errorf("got wrong hash, not modifying node database")
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return
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}
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nodes, err := nodeDB.FindAllNodes()
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if err != nil {
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wwlog.Error("Could not get node list: %s", err)
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return
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}
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node_args := hostlist.Expand(ndp.NodeNames)
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for _, r := range node_args {
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var match bool
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for _, n := range nodes {
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if n.Id() == r {
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nodeList = append(nodeList, n)
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match = true
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}
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}
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if !match {
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fmt.Fprintf(os.Stderr, "ERROR: No match for node: %s\n", r)
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}
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}
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if len(nodeList) == 0 {
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fmt.Printf("No nodes found\n")
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}
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return
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}
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