Files
docker-cli/cli/command/stack/swarm/list.go
Sebastiaan van Stijn 581cb2b70a cli/command/stack/swarm: GetStacks: don't use pointers for values
These are very small structs, so using pointers doesn't bring much
advantage and makes it slightly more cumbersome to use.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2025-08-28 15:44:09 +02:00

40 lines
1.1 KiB
Go

package swarm
import (
"context"
"github.com/docker/cli/cli/command/stack/formatter"
"github.com/docker/cli/cli/compose/convert"
"github.com/moby/moby/client"
"github.com/pkg/errors"
)
// GetStacks lists the swarm stacks with the number of services they contain.
//
// Deprecated: this function was for internal use and will be removed in the next release.
func GetStacks(ctx context.Context, apiClient client.ServiceAPIClient) ([]formatter.Stack, error) {
services, err := apiClient.ServiceList(ctx, client.ServiceListOptions{
Filters: getAllStacksFilter(),
})
if err != nil {
return nil, err
}
idx := make(map[string]int, len(services))
out := make([]formatter.Stack, 0, len(services))
for _, svc := range services {
name, ok := svc.Spec.Labels[convert.LabelNamespace]
if !ok {
return nil, errors.New("cannot get label " + convert.LabelNamespace + " for service " + svc.ID)
}
if i, ok := idx[name]; ok {
out[i].Services++
continue
}
idx[name] = len(out)
out = append(out, formatter.Stack{Name: name, Services: 1})
}
return out, nil
}