diff options
Diffstat (limited to 'pkg/bindings/pods')
| -rw-r--r-- | pkg/bindings/pods/pods.go | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/pkg/bindings/pods/pods.go b/pkg/bindings/pods/pods.go index bb0abebc4..ae87c00e9 100644 --- a/pkg/bindings/pods/pods.go +++ b/pkg/bindings/pods/pods.go @@ -8,6 +8,7 @@ import ( "strings" "github.com/containers/libpod/libpod" + "github.com/containers/libpod/pkg/api/handlers" "github.com/containers/libpod/pkg/bindings" "github.com/containers/libpod/pkg/domain/entities" "github.com/containers/libpod/pkg/specgen" @@ -213,9 +214,38 @@ func Stop(ctx context.Context, nameOrID string, timeout *int) (*entities.PodStop return &report, response.Process(&report) } -func Top() error { - // TODO - return bindings.ErrNotImplemented // nolint:typecheck +// Top gathers statistics about the running processes in a pod. The nameOrID can be a pod name +// or a partial/full ID. The descriptors allow for specifying which data to collect from each process. +func Top(ctx context.Context, nameOrID string, descriptors []string) ([]string, error) { + conn, err := bindings.GetClient(ctx) + if err != nil { + return nil, err + } + params := url.Values{} + + if len(descriptors) > 0 { + // flatten the slice into one string + params.Set("ps_args", strings.Join(descriptors, ",")) + } + response, err := conn.DoRequest(nil, http.MethodGet, "/pods/%s/top", params, nameOrID) + if err != nil { + return nil, err + } + + body := handlers.PodTopOKBody{} + if err = response.Process(&body); err != nil { + return nil, err + } + + // handlers.PodTopOKBody{} returns a slice of slices where each cell in the top table is an item. + // In libpod land, we're just using a slice with cells being split by tabs, which allows for an idiomatic + // usage of the tabwriter. + topOutput := []string{strings.Join(body.Titles, "\t")} + for _, out := range body.Processes { + topOutput = append(topOutput, strings.Join(out, "\t")) + } + + return topOutput, err } // Unpause unpauses all paused containers in a Pod. |