145 lines
3.9 KiB
Go
145 lines
3.9 KiB
Go
//go:build client || all
|
|
// +build client all
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
configurator "github.com/OpenCHAMI/configurator/internal"
|
|
"github.com/OpenCHAMI/configurator/internal/generator"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
tokenFetchRetries int
|
|
)
|
|
|
|
var generateCmd = &cobra.Command{
|
|
Use: "generate",
|
|
Short: "Generate a config file from system state",
|
|
Run: func(cmd *cobra.Command, args []string) {
|
|
client := configurator.SmdClient{
|
|
Host: config.SmdHost,
|
|
Port: config.SmdPort,
|
|
AccessToken: config.AccessToken,
|
|
}
|
|
|
|
// make sure that we have a token present before trying to make request
|
|
if config.AccessToken == "" {
|
|
// check if OCHAMI_ACCESS_TOKEN env var is set if no access token is provided and use that instead
|
|
|
|
accessToken := os.Getenv("OCHAMI_ACCESS_TOKEN")
|
|
if accessToken != "" {
|
|
config.AccessToken = accessToken
|
|
} else {
|
|
fmt.Printf("No token found. Attempting to generate config without one...\n")
|
|
}
|
|
}
|
|
|
|
if targets == nil {
|
|
logrus.Errorf("no target supplied (--target type:template)")
|
|
} else {
|
|
// if we have more than one target and output is set, create configs in directory
|
|
targetCount := len(targets)
|
|
if outputPath != "" && targetCount > 1 {
|
|
err := os.MkdirAll(outputPath, 0o755)
|
|
if err != nil {
|
|
logrus.Errorf("failed to make output directory: %v", err)
|
|
return
|
|
}
|
|
}
|
|
|
|
for _, target := range targets {
|
|
// split the target and type
|
|
tmp := strings.Split(target, ":")
|
|
|
|
// make sure each target has at least two args
|
|
if len(tmp) < 2 {
|
|
message := "target"
|
|
if len(tmp) == 1 {
|
|
message += fmt.Sprintf(" '%s'", tmp[1])
|
|
}
|
|
message += " does not provide enough arguments (args: \"type:template\")"
|
|
logrus.Errorf(message)
|
|
continue
|
|
}
|
|
g := generator.Generator{
|
|
Type: tmp[0],
|
|
Template: tmp[1],
|
|
}
|
|
|
|
// check if another param is specified
|
|
targetPath := ""
|
|
if len(tmp) > 2 {
|
|
targetPath = tmp[2]
|
|
}
|
|
|
|
// NOTE: we probably don't want to hardcode the types, but should do for now
|
|
ext := ""
|
|
if g.Type == "dhcp" {
|
|
// fetch eths from SMD
|
|
eths, err := client.FetchEthernetInterfaces()
|
|
if err != nil {
|
|
logrus.Errorf("failed to fetch DHCP metadata: %v\n", err)
|
|
continue
|
|
}
|
|
if len(eths) <= 0 {
|
|
continue
|
|
}
|
|
// generate a new config from that data
|
|
b, err := g.GenerateDHCP(&config, eths)
|
|
if err != nil {
|
|
logrus.Errorf("failed to generate DHCP config file: %v\n", err)
|
|
continue
|
|
}
|
|
ext = "conf"
|
|
} else if g.Type == "dns" {
|
|
// TODO: fetch from SMD
|
|
// TODO: generate config from pulled info
|
|
|
|
} else if g.Type == "syslog" {
|
|
|
|
} else if g.Type == "ansible" {
|
|
|
|
} else if g.Type == "warewulf" {
|
|
|
|
}
|
|
|
|
// write config output if no specific targetPath is set
|
|
if targetPath == "" {
|
|
if outputPath == "" {
|
|
// write only to stdout
|
|
fmt.Printf("%s\n", "")
|
|
} else if outputPath != "" && targetCount == 1 {
|
|
// write just a single file using template name
|
|
err := os.WriteFile(outputPath)
|
|
if err != nil {
|
|
logrus.Errorf("failed to write config to file: %v", err)
|
|
continue
|
|
}
|
|
} else if outputPath != "" && targetCount > 1 {
|
|
// write multiple files in directory using template name
|
|
err := os.WriteFile(fmt.Sprintf("%s/%s.%s", filepath.Clean(outputPath), g.Template, ext))
|
|
if err != nil {
|
|
logrus.Errorf("failed to write config to file: %v", err)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
} // for targets
|
|
}
|
|
},
|
|
}
|
|
|
|
func init() {
|
|
generateCmd.Flags().StringSliceVar(&targets, "target", nil, "set the target configs to make")
|
|
generateCmd.Flags().StringVarP(&outputPath, "output", "o", "", "set the output path for config targets")
|
|
generateCmd.Flags().IntVar(&tokenFetchRetries, "fetch-retries", 5, "set the number of retries to fetch an access token")
|
|
|
|
rootCmd.AddCommand(generateCmd)
|
|
}
|