mirror of
https://github.com/apricote/hcloud-upload-image.git
synced 2025-08-07 14:26:57 +02:00
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
package cmd
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import (
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"context"
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"log/slog"
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"os"
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"time"
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"github.com/hetznercloud/hcloud-go/v2/hcloud"
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"github.com/spf13/cobra"
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"github.com/apricote/hcloud-upload-image/hcloudimages"
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"github.com/apricote/hcloud-upload-image/hcloudimages/backoff"
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"github.com/apricote/hcloud-upload-image/hcloudimages/contextlogger"
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"github.com/apricote/hcloud-upload-image/internal/ui"
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)
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const (
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flagVerbose = "verbose"
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)
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var (
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// 1 activates slog debug output
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// 2 activates hcloud-go debug output
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verbose int
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)
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// The pre-authenticated client. Set in the root command PersistentPreRun
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var client *hcloudimages.Client
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "hcloud-upload-image",
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Long: `Manage custom OS images on Hetzner Cloud.`,
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SilenceUsage: true,
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PersistentPreRun: func(cmd *cobra.Command, _ []string) {
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ctx := cmd.Context()
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logLevel := slog.LevelInfo
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if verbose >= 1 {
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logLevel = slog.LevelDebug
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}
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slog.SetDefault(slog.New(ui.NewHandler(os.Stdout, &ui.HandlerOptions{
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Level: logLevel,
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})))
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// Add logger to command context
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logger := slog.Default()
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ctx = contextlogger.New(ctx, logger)
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cmd.SetContext(ctx)
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client = newClient(ctx)
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},
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}
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func newClient(ctx context.Context) *hcloudimages.Client {
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logger := contextlogger.From(ctx)
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// Build hcloud-go client
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if os.Getenv("HCLOUD_TOKEN") == "" {
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logger.ErrorContext(ctx, "You need to set the HCLOUD_TOKEN environment variable to your Hetzner Cloud API Token.")
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os.Exit(1)
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}
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opts := []hcloud.ClientOption{
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hcloud.WithToken(os.Getenv("HCLOUD_TOKEN")),
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hcloud.WithApplication("hcloud-image", ""),
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hcloud.WithPollBackoffFunc(backoff.ExponentialBackoffWithLimit(2, 1*time.Second, 30*time.Second)),
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}
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if os.Getenv("HCLOUD_DEBUG") != "" || verbose >= 2 {
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opts = append(opts, hcloud.WithDebugWriter(os.Stderr))
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}
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return hcloudimages.NewClient(hcloud.NewClient(opts...))
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}
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func init() {
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rootCmd.SetErrPrefix("\033[1;31mError:")
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rootCmd.PersistentFlags().CountVarP(&verbose, flagVerbose, "v", "verbose debug output, can be specified up to 2 times")
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}
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