mirror of
https://github.com/psviderski/uncloud.git
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106 lines
2.4 KiB
Go
106 lines
2.4 KiB
Go
package volume
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import (
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"context"
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"fmt"
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"os"
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"slices"
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"strings"
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"text/tabwriter"
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"github.com/psviderski/uncloud/internal/cli"
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"github.com/psviderski/uncloud/pkg/api"
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"github.com/spf13/cobra"
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)
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type listOptions struct {
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machines []string
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quiet bool
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context string
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}
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func NewListCommand() *cobra.Command {
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opts := listOptions{}
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cmd := &cobra.Command{
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Use: "ls",
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Aliases: []string{"list"},
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Short: "List volumes across all machines in the cluster.",
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RunE: func(cmd *cobra.Command, args []string) error {
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uncli := cmd.Context().Value("cli").(*cli.CLI)
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return list(cmd.Context(), uncli, opts)
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},
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}
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cmd.Flags().StringSliceVarP(&opts.machines, "machine", "m", nil,
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"Filter volumes by machine name or ID. Can be specified multiple times or as a comma-separated list. "+
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"(default is include all machines)")
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cmd.Flags().BoolVarP(&opts.quiet, "quiet", "q", false,
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"Only display volume names.")
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cmd.Flags().StringVarP(&opts.context, "context", "c", "",
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"Name of the cluster context. (default is the current context)")
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return cmd
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}
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func list(ctx context.Context, uncli *cli.CLI, opts listOptions) error {
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client, err := uncli.ConnectCluster(ctx, opts.context)
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if err != nil {
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return fmt.Errorf("connect to cluster: %w", err)
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}
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defer client.Close()
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// Apply machine filter if specified.
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var filter *api.VolumeFilter
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if len(opts.machines) > 0 {
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machines := cli.ExpandCommaSeparatedValues(opts.machines)
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filter = &api.VolumeFilter{
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Machines: machines,
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}
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}
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volumes, err := client.ListVolumes(ctx, filter)
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if err != nil {
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return fmt.Errorf("list volumes: %w", err)
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}
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if len(volumes) == 0 {
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if !opts.quiet {
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fmt.Println("No volumes found.")
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}
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return nil
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}
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// Sort the volumes by name first, then by machine name.
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slices.SortFunc(volumes, func(a, b api.MachineVolume) int {
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cmp := strings.Compare(a.Volume.Name, b.Volume.Name)
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if cmp != 0 {
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return cmp
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}
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return strings.Compare(a.MachineName, b.MachineName)
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})
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// If quiet mode, just print volume names.
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if opts.quiet {
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for _, v := range volumes {
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fmt.Println(v.Volume.Name)
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}
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return nil
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}
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// Print the volumes in a table format.
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tw := tabwriter.NewWriter(os.Stdout, 0, 0, 3, ' ', 0)
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fmt.Fprintln(tw, "NAME\tDRIVER\tMACHINE")
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for _, v := range volumes {
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fmt.Fprintf(tw, "%s\t%s\t%s\n",
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v.Volume.Name,
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v.Volume.Driver,
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v.MachineName,
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)
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}
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return tw.Flush()
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}
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