summaryrefslogtreecommitdiff
path: root/pkg
diff options
context:
space:
mode:
Diffstat (limited to 'pkg')
-rw-r--r--pkg/api/handlers/libpod/containers_stats.go12
-rw-r--r--pkg/api/server/register_containers.go4
2 files changed, 16 insertions, 0 deletions
diff --git a/pkg/api/handlers/libpod/containers_stats.go b/pkg/api/handlers/libpod/containers_stats.go
index 75c404d4f..22faab71f 100644
--- a/pkg/api/handlers/libpod/containers_stats.go
+++ b/pkg/api/handlers/libpod/containers_stats.go
@@ -7,8 +7,10 @@ import (
"github.com/containers/podman/v3/libpod"
"github.com/containers/podman/v3/pkg/api/handlers/utils"
+ "github.com/containers/podman/v3/pkg/cgroups"
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/domain/infra/abi"
+ "github.com/containers/podman/v3/pkg/rootless"
"github.com/gorilla/schema"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
@@ -20,6 +22,16 @@ func StatsContainer(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
+ // Check if service is running rootless (cheap check)
+ if rootless.IsRootless() {
+ // if so, then verify cgroup v2 available (more expensive check)
+ if isV2, _ := cgroups.IsCgroup2UnifiedMode(); !isV2 {
+ msg := "Container stats resource only available for cgroup v2"
+ utils.Error(w, msg, http.StatusConflict, errors.New(msg))
+ return
+ }
+ }
+
query := struct {
Containers []string `schema:"containers"`
Stream bool `schema:"stream"`
diff --git a/pkg/api/server/register_containers.go b/pkg/api/server/register_containers.go
index 50e059ecc..89de84cce 100644
--- a/pkg/api/server/register_containers.go
+++ b/pkg/api/server/register_containers.go
@@ -1085,6 +1085,8 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
// description: no error
// 404:
// $ref: "#/responses/NoSuchContainer"
+ // 409:
+ // $ref: "#/responses/ConflictError"
// 500:
// $ref: "#/responses/InternalError"
r.HandleFunc(VersionedPath("/libpod/containers/{name}/stats"), s.APIHandler(compat.StatsContainer)).Methods(http.MethodGet)
@@ -1113,6 +1115,8 @@ func (s *APIServer) registerContainersHandlers(r *mux.Router) error {
// description: no error
// 404:
// $ref: "#/responses/NoSuchContainer"
+ // 409:
+ // $ref: "#/responses/ConflictError"
// 500:
// $ref: "#/responses/InternalError"
r.HandleFunc(VersionedPath("/libpod/containers/stats"), s.APIHandler(libpod.StatsContainer)).Methods(http.MethodGet)