110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
//go:build client || all
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// +build client all
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package cmd
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"github.com/OpenCHAMI/configurator/internal/generator"
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"github.com/spf13/cobra"
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)
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var (
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tokenFetchRetries int
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pluginPaths []string
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)
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var generateCmd = &cobra.Command{
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Use: "generate",
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Short: "Generate a config file from state management",
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Run: func(cmd *cobra.Command, args []string) {
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// if we have more than one target and output is set, create configs in directory
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targetCount := len(targets)
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if outputPath != "" && targetCount > 1 {
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err := os.MkdirAll(outputPath, 0o755)
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if err != nil {
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fmt.Printf("failed to make output directory: %v", err)
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os.Exit(1)
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}
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}
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// make sure that we have a token present before trying to make request
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if config.AccessToken == "" {
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// TODO: make request to check if request will need token
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// check if OCHAMI_ACCESS_TOKEN env var is set if no access token is provided and use that instead
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accessToken := os.Getenv("ACCESS_TOKEN")
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if accessToken != "" {
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config.AccessToken = accessToken
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} else {
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// TODO: try and fetch token first if it is needed
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if verbose {
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fmt.Printf("No token found. Attempting to generate config without one...\n")
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}
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}
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}
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// use config plugins if none supplied via CLI
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if len(pluginPaths) <= 0 {
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pluginPaths = append(pluginPaths, config.PluginDirs...)
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}
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// show config as JSON and generators if verbose
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if verbose {
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b, err := json.MarshalIndent(config, "", " ")
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if err != nil {
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fmt.Printf("failed to marshal config: %v\n", err)
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}
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fmt.Printf("%v\n", string(b))
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}
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// generate config with each supplied target
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for _, target := range targets {
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params := generator.Params{
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Args: args,
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PluginPaths: pluginPaths,
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Target: target,
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Verbose: verbose,
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}
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output, err := generator.Generate(&config, params)
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if err != nil {
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fmt.Printf("failed to generate config: %v\n", err)
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os.Exit(1)
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}
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// write config output if no specific targetPath is set
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if outputPath == "" {
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// write only to stdout
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fmt.Printf("%s\n", string(output))
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} else if outputPath != "" && targetCount == 1 {
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// write just a single file using template name
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err := os.WriteFile(outputPath, output, 0o644)
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if err != nil {
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fmt.Printf("failed to write config to file: %v", err)
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os.Exit(1)
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}
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} else if outputPath != "" && targetCount > 1 {
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// write multiple files in directory using template name
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err := os.WriteFile(fmt.Sprintf("%s/%s.%s", filepath.Clean(outputPath), target, ".conf"), output, 0o644)
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if err != nil {
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fmt.Printf("failed to write config to file: %v", err)
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os.Exit(1)
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}
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}
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}
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},
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}
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func init() {
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generateCmd.Flags().StringSliceVar(&targets, "target", []string{}, "set the target configs to make")
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generateCmd.Flags().StringSliceVar(&pluginPaths, "plugins", []string{}, "set the generator plugins directory path")
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generateCmd.Flags().StringVarP(&outputPath, "output", "o", "", "set the output path for config targets")
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generateCmd.Flags().IntVar(&tokenFetchRetries, "fetch-retries", 5, "set the number of retries to fetch an access token")
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rootCmd.AddCommand(generateCmd)
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}
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