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authorKiran Kamineni <kiran.k.kamineni@intel.com>2019-09-18 12:09:06 -0700
committerKiran Kamineni <kiran.k.kamineni@intel.com>2019-10-15 10:02:40 -0700
commit1c851d8bcbf526be6d7295b9e01a597be65cc692 (patch)
treef378b269d3bab5cd344c668bf9b65d50d4b040f5 /src
parente492a72a094cd4a54f96e47521578d0938d85d87 (diff)
Add a status getter api endpoint
Add a status endpoint to get status of instances. Status information will be added to the database asynchronously. Issue-ID: MULTICLOUD-675 Change-Id: Ia7d79a6f18f01bf24f2690caf74a48c2a082bd73 Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
Diffstat (limited to 'src')
-rw-r--r--src/k8splugin/api/api.go1
-rw-r--r--src/k8splugin/api/instancehandler.go20
-rw-r--r--src/k8splugin/internal/app/instance.go56
3 files changed, 73 insertions, 4 deletions
diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index 726bd116..c836fc65 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -46,6 +46,7 @@ func NewRouter(defClient rb.DefinitionManager,
"profile-name", "{profile-name}").Methods("GET")
instRouter.HandleFunc("/instance/{instID}", instHandler.getHandler).Methods("GET")
+ instRouter.HandleFunc("/instance/{instID}/status", instHandler.statusHandler).Methods("GET")
instRouter.HandleFunc("/instance/{instID}", instHandler.deleteHandler).Methods("DELETE")
// (TODO): Fix update method
// instRouter.HandleFunc("/{vnfInstanceId}", UpdateHandler).Methods("PUT")
diff --git a/src/k8splugin/api/instancehandler.go b/src/k8splugin/api/instancehandler.go
index acbeb53f..ab98e4be 100644
--- a/src/k8splugin/api/instancehandler.go
+++ b/src/k8splugin/api/instancehandler.go
@@ -106,6 +106,26 @@ func (i instanceHandler) getHandler(w http.ResponseWriter, r *http.Request) {
}
}
+// statusHandler retrieves status about an instance via the ID
+func (i instanceHandler) statusHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ id := vars["instID"]
+
+ resp, err := i.client.Status(id)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusOK)
+ err = json.NewEncoder(w).Encode(resp)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+}
+
// listHandler retrieves information about an instance via the ID
func (i instanceHandler) listHandler(w http.ResponseWriter, r *http.Request) {
diff --git a/src/k8splugin/internal/app/instance.go b/src/k8splugin/internal/app/instance.go
index 47cea972..fef9962f 100644
--- a/src/k8splugin/internal/app/instance.go
+++ b/src/k8splugin/internal/app/instance.go
@@ -26,6 +26,7 @@ import (
"github.com/onap/multicloud-k8s/src/k8splugin/internal/rb"
pkgerrors "github.com/pkg/errors"
+ corev1 "k8s.io/api/core/v1"
)
// InstanceRequest contains the parameters needed for instantiation
@@ -55,10 +56,29 @@ type InstanceMiniResponse struct {
Namespace string `json:"namespace"`
}
+// PodStatus defines the observed state of ResourceBundleState
+type PodStatus struct {
+ Name string `json:"name"`
+ Namespace string `json:"namespace"`
+ Ready bool `json:"ready"`
+ Status corev1.PodStatus `json:"status,omitempty"`
+ IPAddresses []string `json:"ipaddresses"`
+}
+
+// InstanceStatus is what is returned when status is queried for an instance
+type InstanceStatus struct {
+ Request InstanceRequest `json:"request"`
+ Ready bool `json:"ready"`
+ ResourceCount int32 `json:"resourceCount"`
+ PodStatuses []PodStatus `json:"podStatuses"`
+ ServiceStatuses []corev1.Service `json:"serviceStatuses"`
+}
+
// InstanceManager is an interface exposes the instantiation functionality
type InstanceManager interface {
Create(i InstanceRequest) (InstanceResponse, error)
Get(id string) (InstanceResponse, error)
+ Status(id string) (InstanceStatus, error)
List(rbname, rbversion, profilename string) ([]InstanceMiniResponse, error)
Find(rbName string, ver string, profile string, labelKeys map[string]string) ([]InstanceMiniResponse, error)
Delete(id string) error
@@ -83,16 +103,18 @@ func (dk InstanceKey) String() string {
// InstanceClient implements the InstanceManager interface
// It will also be used to maintain some localized state
type InstanceClient struct {
- storeName string
- tagInst string
+ storeName string
+ tagInst string
+ tagInstStatus string
}
// NewInstanceClient returns an instance of the InstanceClient
// which implements the InstanceManager
func NewInstanceClient() *InstanceClient {
return &InstanceClient{
- storeName: "rbdef",
- tagInst: "instance",
+ storeName: "rbdef",
+ tagInst: "instance",
+ tagInstStatus: "instanceStatus",
}
}
@@ -175,6 +197,32 @@ func (v *InstanceClient) Get(id string) (InstanceResponse, error) {
return InstanceResponse{}, pkgerrors.New("Error getting Instance")
}
+// Status returns the status for the instance
+func (v *InstanceClient) Status(id string) (InstanceStatus, error) {
+
+ //Read the status from the DB
+ key := InstanceKey{
+ ID: id,
+ }
+
+ value, err := db.DBconn.Read(v.storeName, key, v.tagInstStatus)
+ if err != nil {
+ return InstanceStatus{}, pkgerrors.Wrap(err, "Get Instance")
+ }
+
+ //value is a byte array
+ if value != nil {
+ resp := InstanceStatus{}
+ err = db.DBconn.Unmarshal(value, &resp)
+ if err != nil {
+ return InstanceStatus{}, pkgerrors.Wrap(err, "Unmarshaling Instance Value")
+ }
+ return resp, nil
+ }
+
+ return InstanceStatus{}, pkgerrors.New("Status is not available")
+}
+
// List returns the instance for corresponding ID
// Empty string returns all
func (v *InstanceClient) List(rbname, rbversion, profilename string) ([]InstanceMiniResponse, error) {