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authorValentin Rothberg <rothberg@redhat.com>2020-03-27 13:31:17 +0100
committerValentin Rothberg <rothberg@redhat.com>2020-03-28 16:49:08 +0100
commitcc129d13c5b8b80f542dbc6192ff3d5df29b47ee (patch)
tree9aff03eb40997c7373089c83d1c32ed6ace0815e /pkg
parent684b4bd2f16d078edd25d262bb8baefc699508e9 (diff)
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v2 api: implement pods top endpoint
Note that this commit does not add tests for the pod-top endpoint. They will be added in a later change. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'pkg')
-rw-r--r--pkg/api/handlers/libpod/pods.go43
-rw-r--r--pkg/api/handlers/types.go17
-rw-r--r--pkg/api/server/register_pods.go31
3 files changed, 91 insertions, 0 deletions
diff --git a/pkg/api/handlers/libpod/pods.go b/pkg/api/handlers/libpod/pods.go
index 7e9c2e2c0..e834029b2 100644
--- a/pkg/api/handlers/libpod/pods.go
+++ b/pkg/api/handlers/libpod/pods.go
@@ -4,6 +4,7 @@ import (
"encoding/json"
"fmt"
"net/http"
+ "strings"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
@@ -287,6 +288,48 @@ func PodUnpause(w http.ResponseWriter, r *http.Request) {
utils.WriteResponse(w, http.StatusOK, &report)
}
+func PodTop(w http.ResponseWriter, r *http.Request) {
+ runtime := r.Context().Value("runtime").(*libpod.Runtime)
+ decoder := r.Context().Value("decoder").(*schema.Decoder)
+
+ query := struct {
+ PsArgs string `schema:"ps_args"`
+ }{
+ PsArgs: "",
+ }
+ if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+ utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+ errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String()))
+ return
+ }
+
+ name := utils.GetName(r)
+ pod, err := runtime.LookupPod(name)
+ if err != nil {
+ utils.ContainerNotFound(w, name, err)
+ return
+ }
+
+ args := []string{}
+ if query.PsArgs != "" {
+ args = append(args, query.PsArgs)
+ }
+ output, err := pod.GetPodPidInformation(args)
+ if err != nil {
+ utils.InternalServerError(w, err)
+ return
+ }
+
+ var body = handlers.PodTopOKBody{}
+ if len(output) > 0 {
+ body.Titles = strings.Split(output[0], "\t")
+ for _, line := range output[1:] {
+ body.Processes = append(body.Processes, strings.Split(line, "\t"))
+ }
+ }
+ utils.WriteJSON(w, http.StatusOK, body)
+}
+
func PodKill(w http.ResponseWriter, r *http.Request) {
var (
runtime = r.Context().Value("runtime").(*libpod.Runtime)
diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go
index 1ca5db3f9..89a571e67 100644
--- a/pkg/api/handlers/types.go
+++ b/pkg/api/handlers/types.go
@@ -133,6 +133,23 @@ type ContainerTopOKBody struct {
dockerContainer.ContainerTopOKBody
}
+type PodTopOKBody struct {
+ dockerContainer.ContainerTopOKBody
+}
+
+// swagger:model PodCreateConfig
+type PodCreateConfig struct {
+ Name string `json:"name"`
+ CGroupParent string `json:"cgroup-parent"`
+ Hostname string `json:"hostname"`
+ Infra bool `json:"infra"`
+ InfraCommand string `json:"infra-command"`
+ InfraImage string `json:"infra-image"`
+ Labels []string `json:"labels"`
+ Publish []string `json:"publish"`
+ Share string `json:"share"`
+}
+
type ErrorModel struct {
Message string `json:"message"`
}
diff --git a/pkg/api/server/register_pods.go b/pkg/api/server/register_pods.go
index 5ba2263e8..5ad9b5bc1 100644
--- a/pkg/api/server/register_pods.go
+++ b/pkg/api/server/register_pods.go
@@ -263,5 +263,36 @@ func (s *APIServer) registerPodsHandlers(r *mux.Router) error {
// 500:
// $ref: "#/responses/InternalError"
r.Handle(VersionedPath("/libpod/pods/{name}/unpause"), s.APIHandler(libpod.PodUnpause)).Methods(http.MethodPost)
+ // swagger:operation POST /libpod/pods/{name}/top pods topPod
+ // ---
+ // summary: List processes
+ // description: List processes running inside a pod
+ // produces:
+ // - application/json
+ // parameters:
+ // - in: path
+ // name: name
+ // type: string
+ // required: true
+ // description: |
+ // Name of pod to query for processes
+ // - in: query
+ // name: stream
+ // type: boolean
+ // default: true
+ // description: Stream the output
+ // - in: query
+ // name: ps_args
+ // type: string
+ // default: -ef
+ // description: arguments to pass to ps such as aux. Requires ps(1) to be installed in the container if no ps(1) compatible AIX descriptors are used.
+ // responses:
+ // 200:
+ // $ref: "#/responses/DockerTopResponse"
+ // 404:
+ // $ref: "#/responses/NoSuchContainer"
+ // 500:
+ // $ref: "#/responses/InternalError"
+ r.Handle(VersionedPath("/libpod/pods/{name}/top"), s.APIHandler(libpod.PodTop)).Methods(http.MethodGet)
return nil
}