Merge pull request #4832 from baude/apiv2tomaster

Apiv2tomaster

1 files changed, 61 insertions, 0 deletions

diff --git a/pkg/api/handlers/containers_top.go b/pkg/api/handlers/containers_top.go
new file mode 100644
index 000000000..bab559da1
--- /dev/null
+++ b/pkg/api/handlers/containers_top.go
@@ -0,0 +1,61 @@
+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)
+}