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package handlers
import (
"net/http"
"strings"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/api/handlers/utils"
"github.com/gorilla/mux"
"github.com/gorilla/schema"
"github.com/pkg/errors"
)
func TopContainer(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: "-ef",
}
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 := mux.Vars(r)["name"]
ctnr, err := runtime.LookupContainer(name)
if err != nil {
utils.ContainerNotFound(w, name, err)
return
}
state, err := ctnr.State()
if err != nil {
utils.InternalServerError(w, err)
return
}
if state != define.ContainerStateRunning {
utils.ContainerNotRunning(w, name, errors.Errorf("Container %s must be running to perform top operation", name))
return
}
output, err := ctnr.Top([]string{})
if err != nil {
utils.InternalServerError(w, err)
return
}
var body = ContainerTopOKBody{}
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)
}
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