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|
package config
import (
"context"
"fmt"
"github.com/docker/swarmkit/api"
)
func getConfig(ctx context.Context, c api.ControlClient, input string) (*api.Config, error) {
// not sure what it is, match by name or id prefix
resp, err := c.ListConfigs(ctx,
&api.ListConfigsRequest{
Filters: &api.ListConfigsRequest_Filters{
Names: []string{input},
IDPrefixes: []string{input},
},
},
)
if err != nil {
return nil, err
}
switch len(resp.Configs) {
case 0:
return nil, fmt.Errorf("config %s not found", input)
case 1:
return resp.Configs[0], nil
default:
// ok, multiple matches. Prefer exact ID over exact name. If no exact matches, return an error
for _, s := range resp.Configs {
if s.ID == input {
return s, nil
}
}
for _, s := range resp.Configs {
if s.Spec.Annotations.Name == input {
return s, nil
}
}
return nil, fmt.Errorf("config %s is ambiguous (%d matches found)", input, len(resp.Configs))
}
}
|
