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Change "service inspect" to show defaults in place of empty fields 

This adds a new parameter insertDefaults to /services/{id}. When this is
set, an empty field (such as UpdateConfig) will be populated with
default values in the API response. Make "service inspect" use this, so
that empty fields do not result in missing information when inspecting a
service.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann 2017-03-30 17:15:54 -07:00
parent 3ac3a56f1c
commit 07f55b2eb5
3 changed files with 12 additions and 6 deletions
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2
interface.go
View File

@ -123,7 +123,7 @@ type PluginAPIClient interface {
// ServiceAPIClient defines API client methods for the services
type ServiceAPIClient interface {
ServiceCreate(ctx context.Context, service swarm.ServiceSpec, options types.ServiceCreateOptions) (types.ServiceCreateResponse, error)
ServiceInspectWithRaw(ctx context.Context, serviceID string) (swarm.Service, []byte, error)
ServiceInspectWithRaw(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error)
ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error)
ServiceRemove(ctx context.Context, serviceID string) error
ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)

9
service_inspect.go
View File

@ -3,16 +3,21 @@ package client
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"golang.org/x/net/context"
)
// ServiceInspectWithRaw returns the service information and the raw data.
func (cli *Client) ServiceInspectWithRaw(ctx context.Context, serviceID string) (swarm.Service, []byte, error) {
serverResp, err := cli.get(ctx, "/services/"+serviceID, nil, nil)
func (cli *Client) ServiceInspectWithRaw(ctx context.Context, serviceID string, opts types.ServiceInspectOptions) (swarm.Service, []byte, error) {
query := url.Values{}
query.Set("insertDefaults", fmt.Sprintf("%v", opts.InsertDefaults))
serverResp, err := cli.get(ctx, "/services/"+serviceID, query, nil)
if err != nil {
if serverResp.statusCode == http.StatusNotFound {
return swarm.Service{}, nil, serviceNotFoundError{serviceID}

7
service_inspect_test.go
View File

@ -9,6 +9,7 @@ import (
"strings"
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"golang.org/x/net/context"
)
@ -18,7 +19,7 @@ func TestServiceInspectError(t *testing.T) {
client: newMockClient(errorMock(http.StatusInternalServerError, "Server error")),
}
_, _, err := client.ServiceInspectWithRaw(context.Background(), "nothing")
_, _, err := client.ServiceInspectWithRaw(context.Background(), "nothing", types.ServiceInspectOptions{})
if err == nil || err.Error() != "Error response from daemon: Server error" {
t.Fatalf("expected a Server Error, got %v", err)
}
@ -29,7 +30,7 @@ func TestServiceInspectServiceNotFound(t *testing.T) {
client: newMockClient(errorMock(http.StatusNotFound, "Server error")),
}
_, _, err := client.ServiceInspectWithRaw(context.Background(), "unknown")
_, _, err := client.ServiceInspectWithRaw(context.Background(), "unknown", types.ServiceInspectOptions{})
if err == nil || !IsErrServiceNotFound(err) {
t.Fatalf("expected a serviceNotFoundError error, got %v", err)
}
@ -55,7 +56,7 @@ func TestServiceInspect(t *testing.T) {
}),
}
serviceInspect, _, err := client.ServiceInspectWithRaw(context.Background(), "service_id")
serviceInspect, _, err := client.ServiceInspectWithRaw(context.Background(), "service_id", types.ServiceInspectOptions{})
if err != nil {
t.Fatal(err)
}