Files
docker-cli/cli/command/idresolver/idresolver.go
Sebastiaan van Stijn 4f7c07cfc2 update local code for updated modules
Some tests had to be skipped as there's some issues to address, and
some of the result-types cannot be mocked / stubbed.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2025-10-24 10:28:54 +02:00

74 lines
2.1 KiB
Go

// FIXME(thaJeztah): remove once we are a module; the go:build directive prevents go from downgrading language version to go1.16:
//go:build go1.23
package idresolver
import (
"context"
"errors"
"github.com/moby/moby/api/types/swarm"
"github.com/moby/moby/client"
)
// IDResolver provides ID to Name resolution.
type IDResolver struct {
client client.APIClient
noResolve bool
cache map[string]string
}
// New creates a new IDResolver.
func New(apiClient client.APIClient, noResolve bool) *IDResolver {
return &IDResolver{
client: apiClient,
noResolve: noResolve,
cache: make(map[string]string),
}
}
func (r *IDResolver) get(ctx context.Context, t any, id string) (string, error) {
switch t.(type) {
case swarm.Node:
res, err := r.client.NodeInspect(ctx, id, client.NodeInspectOptions{})
if err != nil {
// TODO(thaJeztah): should error-handling be more specific, or is it ok to ignore any error?
return id, nil //nolint:nilerr // ignore nil-error being returned, as this is a best-effort.
}
if res.Node.Spec.Annotations.Name != "" {
return res.Node.Spec.Annotations.Name, nil
}
if res.Node.Description.Hostname != "" {
return res.Node.Description.Hostname, nil
}
return id, nil
case swarm.Service:
res, err := r.client.ServiceInspect(ctx, id, client.ServiceInspectOptions{})
if err != nil {
// TODO(thaJeztah): should error-handling be more specific, or is it ok to ignore any error?
return id, nil //nolint:nilerr // ignore nil-error being returned, as this is a best-effort.
}
return res.Service.Spec.Annotations.Name, nil
default:
return "", errors.New("unsupported type")
}
}
// Resolve will attempt to resolve an ID to a Name by querying the manager.
// Results are stored into a cache.
// If the `-n` flag is used in the command-line, resolution is disabled.
func (r *IDResolver) Resolve(ctx context.Context, t any, id string) (string, error) {
if r.noResolve {
return id, nil
}
if name, ok := r.cache[id]; ok {
return name, nil
}
name, err := r.get(ctx, t, id)
if err != nil {
return "", err
}
r.cache[id] = name
return name, nil
}