summaryrefslogtreecommitdiff
path: root/pkg/bindings/pods/pods.go
diff options
context:
space:
mode:
authorValentin Rothberg <rothberg@redhat.com>2020-03-27 11:46:33 +0100
committerValentin Rothberg <rothberg@redhat.com>2020-03-28 17:32:22 +0100
commit9812804f754120fcf14256bf0ed9cd00c36bf9f7 (patch)
treef9412fd2ac6cdfba7c688aaf122c97e5f2e1701a /pkg/bindings/pods/pods.go
parentcc129d13c5b8b80f542dbc6192ff3d5df29b47ee (diff)
downloadpodman-9812804f754120fcf14256bf0ed9cd00c36bf9f7.tar.gz
podman-9812804f754120fcf14256bf0ed9cd00c36bf9f7.tar.bz2
podman-9812804f754120fcf14256bf0ed9cd00c36bf9f7.zip
podmanv2: implement pod top
Implement `podman pod top` for podmanV2. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'pkg/bindings/pods/pods.go')
-rw-r--r--pkg/bindings/pods/pods.go36
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.