Files
warewulf/internal/app/wwctl/node/imprt/main.go
Jonathon Anderson a1832ad8c1 Complete transfer of Warewulf from HPCng
Warewulf is now being maintained in its own GitHub organization at
github.com/warewulf

Signed-off-by: Jonathon Anderson <janderson@ciq.com>
2024-01-26 21:35:04 -07:00

99 lines
2.6 KiB
Go

package imprt
import (
"bytes"
"encoding/csv"
"fmt"
"io"
"os"
"github.com/spf13/cobra"
apinode "github.com/warewulf/warewulf/internal/pkg/api/node"
"github.com/warewulf/warewulf/internal/pkg/api/routes/wwapiv1"
apiutil "github.com/warewulf/warewulf/internal/pkg/api/util"
"github.com/warewulf/warewulf/internal/pkg/node"
"github.com/warewulf/warewulf/internal/pkg/wwlog"
"gopkg.in/yaml.v2"
)
func CobraRunE(cmd *cobra.Command, args []string) error {
file, err := os.Open(args[0])
if err != nil {
wwlog.Error("Could not open file:%s \n", err)
os.Exit(1)
}
defer file.Close()
importMap := make(map[string]*node.NodeConf)
buffer, err := io.ReadAll(file)
if err != nil {
wwlog.Error("Could not read:%s\n", err)
os.Exit(1)
}
if !ImportCVS {
err = yaml.Unmarshal(buffer, importMap)
if err == nil {
yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to modify %d nodes", len(importMap)))
if yes {
err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
if err != nil {
wwlog.Error("Got following problem when writing back yaml: %s", err)
os.Exit(1)
}
}
} else {
wwlog.Error("Could not parse import file")
}
} else {
// reading from buffer is a bit overshot
csvReader := csv.NewReader(bytes.NewReader(buffer))
records, err := csvReader.ReadAll()
if err != nil {
wwlog.Error("Could not parse %s: %s\n", args[0], err)
os.Exit(1)
}
if len(records) < 1 || len(records[0]) < 1 {
wwlog.Error("Did not find any data in %s\n", args[0])
os.Exit(1)
}
if !(records[0][0] == "node" || records[0][0] == "nodename") {
Usage()
os.Exit(1)
}
argsLen := len(records[0])
for i, line := range records[1:] {
if len(line) != argsLen {
wwlog.Error("Wrong number of fields in lube %u\n", i+1)
os.Exit(1)
}
for j := range line {
if j == 0 {
continue
}
if importMap[line[0]] == nil {
importMap[line[0]] = new(node.NodeConf)
}
ok := importMap[line[0]].SetLopt(records[0][j], line[j])
if !(ok) {
wwlog.Debug("Could not import %s\n", line[j])
}
}
}
yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to import %d nodes", len(importMap)))
if yes {
// create second buffer an marshall nodeMap to it
buffer, err = yaml.Marshal(importMap)
if err != nil {
wwlog.Error("Got following problem when creating yaml: %s", err)
}
err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
if err != nil {
wwlog.Error("Got following problem when writing back yaml: %s", err)
os.Exit(1)
}
}
}
return nil
}