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client: refactor ContainerTop to wrap options and results

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Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>
This commit is contained in:
Austin Vazquez
2025-10-28 18:26:08 -05:00
parent 4ce86e2c9b
commit ec22a1e5b2
6 changed files with 44 additions and 20 deletions
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2
client/client_interfaces.go
View File

@@ -73,7 +73,7 @@ type ContainerAPIClient interface {
ContainerStats(ctx context.Context, container string, options ContainerStatsOptions) (ContainerStatsResult, error)
ContainerStart(ctx context.Context, container string, options ContainerStartOptions) (ContainerStartResult, error)
ContainerStop(ctx context.Context, container string, options ContainerStopOptions) (ContainerStopResult, error)
ContainerTop(ctx context.Context, container string, arguments []string) (container.TopResponse, error)
ContainerTop(ctx context.Context, container string, options ContainerTopOptions) (ContainerTopResult, error)
ContainerUnpause(ctx context.Context, container string, options ContainerUnPauseOptions) (ContainerUnPauseResult, error)
ContainerUpdate(ctx context.Context, container string, updateConfig container.UpdateConfig) (container.UpdateResponse, error)
ContainerWait(ctx context.Context, container string, condition container.WaitCondition) (<-chan container.WaitResponse, <-chan error)

23
client/container_top.go
View File

@@ -9,25 +9,36 @@ import (
"github.com/moby/moby/api/types/container"
)
// ContainerTopOptions defines options for container top operations.
type ContainerTopOptions struct {
Arguments []string
}
// ContainerTopResult represents the result of a ContainerTop operation.
type ContainerTopResult struct {
Processes [][]string
Titles []string
}
// ContainerTop shows process information from within a container.
func (cli *Client) ContainerTop(ctx context.Context, containerID string, arguments []string) (container.TopResponse, error) {
func (cli *Client) ContainerTop(ctx context.Context, containerID string, options ContainerTopOptions) (ContainerTopResult, error) {
containerID, err := trimID("container", containerID)
if err != nil {
return container.TopResponse{}, err
return ContainerTopResult{}, err
}
query := url.Values{}
if len(arguments) > 0 {
query.Set("ps_args", strings.Join(arguments, " "))
if len(options.Arguments) > 0 {
query.Set("ps_args", strings.Join(options.Arguments, " "))
}
resp, err := cli.get(ctx, "/containers/"+containerID+"/top", query, nil)
defer ensureReaderClosed(resp)
if err != nil {
return container.TopResponse{}, err
return ContainerTopResult{}, err
}
var response container.TopResponse
err = json.NewDecoder(resp.Body).Decode(&response)
return response, err
return ContainerTopResult{Processes: response.Processes, Titles: response.Titles}, err
}

10
client/container_top_test.go
View File

@@ -15,14 +15,14 @@ import (
func TestContainerTopError(t *testing.T) {
client, err := NewClientWithOpts(WithMockClient(errorMock(http.StatusInternalServerError, "Server error")))
assert.NilError(t, err)
_, err = client.ContainerTop(context.Background(), "nothing", []string{})
_, err = client.ContainerTop(context.Background(), "nothing", ContainerTopOptions{})
assert.Check(t, is.ErrorType(err, cerrdefs.IsInternal))
_, err = client.ContainerTop(context.Background(), "", []string{})
_, err = client.ContainerTop(context.Background(), "", ContainerTopOptions{})
assert.Check(t, is.ErrorType(err, cerrdefs.IsInvalidArgument))
assert.Check(t, is.ErrorContains(err, "value is empty"))
_, err = client.ContainerTop(context.Background(), " ", []string{})
_, err = client.ContainerTop(context.Background(), " ", ContainerTopOptions{})
assert.Check(t, is.ErrorType(err, cerrdefs.IsInvalidArgument))
assert.Check(t, is.ErrorContains(err, "value is empty"))
}
@@ -54,7 +54,9 @@ func TestContainerTop(t *testing.T) {
}))
assert.NilError(t, err)
processList, err := client.ContainerTop(context.Background(), "container_id", []string{"arg1", "arg2"})
processList, err := client.ContainerTop(context.Background(), "container_id", ContainerTopOptions{
Arguments: []string{"arg1", "arg2"},
})
assert.NilError(t, err)
assert.Check(t, is.DeepEqual(expectedProcesses, processList.Processes))
assert.Check(t, is.DeepEqual(expectedTitles, processList.Titles))