mirror of
https://github.com/psviderski/uncloud.git
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98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
package image
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import (
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"context"
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"fmt"
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"github.com/containerd/platforms"
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"github.com/docker/compose/v2/pkg/progress"
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"github.com/psviderski/uncloud/internal/cli"
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"github.com/psviderski/uncloud/internal/cli/completion"
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"github.com/psviderski/uncloud/pkg/client"
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"github.com/spf13/cobra"
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)
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type pushOptions struct {
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image string
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machines []string
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platform string
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}
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func NewPushCommand() *cobra.Command {
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opts := pushOptions{}
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cmd := &cobra.Command{
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Use: "push IMAGE",
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Short: "Upload a local Docker image to the cluster.",
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Long: `Upload a local Docker image to the cluster transferring only the missing layers.
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The image is uploaded to all cluster machines (default) or the specified machine(s).`,
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Example: ` # Push image to all machines in the cluster.
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uc image push myapp:latest
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# Push image to specific machine.
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uc image push myapp:latest -m machine1
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# Push image to multiple machines.
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uc image push myapp:latest -m machine1,machine2,machine3
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# Push a specific platform of a multi-platform image.
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uc image push myapp:latest --platform linux/amd64`,
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Args: cobra.ExactArgs(1),
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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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opts.image = args[0]
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return push(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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"Machine names or IDs to push the image to. Can be specified multiple times or as a comma-separated list. "+
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"(default is all machines)")
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cmd.Flags().StringVar(
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&opts.platform, "platform", "",
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"Push a specific platform of a multi-platform image (e.g., linux/amd64, linux/arm64).\n"+
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"Local Docker must be configured to use containerd image store to support multi-platform images.",
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)
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completion.MachinesFlag(cmd)
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return cmd
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}
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func push(ctx context.Context, uncli *cli.CLI, opts pushOptions) error {
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clusterClient, err := uncli.ConnectCluster(ctx)
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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 clusterClient.Close()
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machines := cli.ExpandCommaSeparatedValues(opts.machines)
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pushOpts := client.PushImageOptions{}
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// Special handling for an explicit "all" keyword to push to all machines.
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if len(machines) == 1 && machines[0] == "all" {
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pushOpts.AllMachines = true
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} else if len(machines) > 0 {
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pushOpts.Machines = machines
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} else {
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// Default is to push to all machines in the cluster.
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pushOpts.AllMachines = true
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}
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if opts.platform != "" {
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p, err := platforms.Parse(opts.platform)
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if err != nil {
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return fmt.Errorf("invalid platform '%s': %w", opts.platform, err)
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}
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pushOpts.Platform = &p
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}
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return progress.RunWithTitle(ctx, func(ctx context.Context) error {
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if err = clusterClient.PushImage(ctx, opts.image, pushOpts); err != nil {
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return fmt.Errorf("push image to cluster: %w", err)
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}
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return nil
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}, uncli.ProgressOut(), fmt.Sprintf("Pushing image %s to cluster", opts.image))
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}
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