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-rw-r--r--src/k8splugin/api/api.go1
-rw-r--r--src/k8splugin/api/instancehandler.go18
-rw-r--r--src/k8splugin/api/instancehandler_test.go118
-rw-r--r--src/k8splugin/internal/app/instance.go42
4 files changed, 177 insertions, 2 deletions
diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index 353972a1..1bbe14a3 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -38,6 +38,7 @@ func NewRouter(defClient rb.DefinitionManager,
instHandler := instanceHandler{client: instClient}
instRouter := router.PathPrefix("/v1").Subrouter()
instRouter.HandleFunc("/instance", instHandler.createHandler).Methods("POST")
+ instRouter.HandleFunc("/instance", instHandler.listHandler).Methods("GET")
instRouter.HandleFunc("/instance/{instID}", instHandler.getHandler).Methods("GET")
instRouter.HandleFunc("/instance/{instID}", instHandler.deleteHandler).Methods("DELETE")
// (TODO): Fix update method
diff --git a/src/k8splugin/api/instancehandler.go b/src/k8splugin/api/instancehandler.go
index 42f3b212..3ec055bc 100644
--- a/src/k8splugin/api/instancehandler.go
+++ b/src/k8splugin/api/instancehandler.go
@@ -106,6 +106,24 @@ func (i instanceHandler) getHandler(w http.ResponseWriter, r *http.Request) {
}
}
+// getHandler retrieves information about an instance via the ID
+func (i instanceHandler) listHandler(w http.ResponseWriter, r *http.Request) {
+
+ resp, err := i.client.List()
+ 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
+ }
+}
+
// deleteHandler method terminates an instance via the ID
func (i instanceHandler) deleteHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
diff --git a/src/k8splugin/api/instancehandler_test.go b/src/k8splugin/api/instancehandler_test.go
index 35cef531..83fa3d2b 100644
--- a/src/k8splugin/api/instancehandler_test.go
+++ b/src/k8splugin/api/instancehandler_test.go
@@ -21,6 +21,7 @@ import (
"net/http"
"net/http/httptest"
"reflect"
+ "sort"
"testing"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/app"
@@ -38,8 +39,9 @@ type mockInstanceClient struct {
app.InstanceManager
// Items and err will be used to customize each test
// via a localized instantiation of mockInstanceClient
- items []app.InstanceResponse
- err error
+ items []app.InstanceResponse
+ miniitems []app.InstanceMiniResponse
+ err error
}
func (m *mockInstanceClient) Create(inp app.InstanceRequest) (app.InstanceResponse, error) {
@@ -58,6 +60,14 @@ func (m *mockInstanceClient) Get(id string) (app.InstanceResponse, error) {
return m.items[0], nil
}
+func (m *mockInstanceClient) List() ([]app.InstanceMiniResponse, error) {
+ if m.err != nil {
+ return []app.InstanceMiniResponse{}, m.err
+ }
+
+ return m.miniitems, nil
+}
+
func (m *mockInstanceClient) Find(rbName string, ver string, profile string, labelKeys map[string]string) ([]app.InstanceResponse, error) {
if m.err != nil {
return nil, m.err
@@ -297,6 +307,110 @@ func TestInstanceGetHandler(t *testing.T) {
}
}
+func TestInstanceListHandler(t *testing.T) {
+ testCases := []struct {
+ label string
+ input string
+ expectedCode int
+ expectedResponse []app.InstanceMiniResponse
+ instClient *mockInstanceClient
+ }{
+ {
+ label: "Fail to List Instance",
+ input: "HaKpys8e",
+ expectedCode: http.StatusInternalServerError,
+ instClient: &mockInstanceClient{
+ err: pkgerrors.New("Internal error"),
+ },
+ },
+ {
+ label: "Succesful List Instances",
+ expectedCode: http.StatusOK,
+ expectedResponse: []app.InstanceMiniResponse{
+ {
+ ID: "HaKpys8e",
+ Request: app.InstanceRequest{
+ RBName: "test-rbdef",
+ RBVersion: "v1",
+ ProfileName: "profile1",
+ CloudRegion: "region1",
+ },
+ Namespace: "testnamespace",
+ },
+ {
+ ID: "HaKpys8f",
+ Request: app.InstanceRequest{
+ RBName: "test-rbdef-two",
+ RBVersion: "versionsomething",
+ ProfileName: "profile3",
+ CloudRegion: "region1",
+ },
+ Namespace: "testnamespace-two",
+ },
+ },
+ instClient: &mockInstanceClient{
+ miniitems: []app.InstanceMiniResponse{
+ {
+ ID: "HaKpys8e",
+ Request: app.InstanceRequest{
+ RBName: "test-rbdef",
+ RBVersion: "v1",
+ ProfileName: "profile1",
+ CloudRegion: "region1",
+ },
+ Namespace: "testnamespace",
+ },
+ {
+ ID: "HaKpys8f",
+ Request: app.InstanceRequest{
+ RBName: "test-rbdef-two",
+ RBVersion: "versionsomething",
+ ProfileName: "profile3",
+ CloudRegion: "region1",
+ },
+ Namespace: "testnamespace-two",
+ },
+ },
+ },
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.label, func(t *testing.T) {
+ request := httptest.NewRequest("GET", "/v1/instance", nil)
+ resp := executeRequest(request, NewRouter(nil, nil, testCase.instClient, nil, nil, nil))
+
+ if testCase.expectedCode != resp.StatusCode {
+ t.Fatalf("Request method returned: %v and it was expected: %v",
+ resp.StatusCode, testCase.expectedCode)
+ }
+ if resp.StatusCode == http.StatusOK {
+ var response []app.InstanceMiniResponse
+ err := json.NewDecoder(resp.Body).Decode(&response)
+ if err != nil {
+ t.Fatalf("Parsing the returned response got an error (%s)", err)
+ }
+
+ // Since the order of returned slice is not guaranteed
+ // Sort them first and then do deepequal
+ // Check both and return error if both don't match
+ sort.Slice(response, func(i, j int) bool {
+ return response[i].ID < response[j].ID
+ })
+
+ sort.Slice(testCase.expectedResponse, func(i, j int) bool {
+ return testCase.expectedResponse[i].ID < testCase.expectedResponse[j].ID
+ })
+
+ if reflect.DeepEqual(testCase.expectedResponse, response) == false {
+ t.Fatalf("TestGetHandler returned:\n result=%v\n expected=%v",
+ &response, testCase.expectedResponse)
+ }
+ }
+ })
+ }
+}
+
func TestDeleteHandler(t *testing.T) {
testCases := []struct {
label string
diff --git a/src/k8splugin/internal/app/instance.go b/src/k8splugin/internal/app/instance.go
index 5272d60f..d28fe799 100644
--- a/src/k8splugin/internal/app/instance.go
+++ b/src/k8splugin/internal/app/instance.go
@@ -19,6 +19,7 @@ package app
import (
"encoding/base64"
"encoding/json"
+ "log"
"math/rand"
"github.com/onap/multicloud-k8s/src/k8splugin/internal/db"
@@ -46,10 +47,20 @@ type InstanceResponse struct {
Resources []helm.KubernetesResource `json:"resources"`
}
+// InstanceMiniResponse contains the response from instantiation
+// It does NOT include the created resources.
+// Use the regular GET to get the created resources for a particular instance
+type InstanceMiniResponse struct {
+ ID string `json:"id"`
+ Request InstanceRequest `json:"request"`
+ Namespace string `json:"namespace"`
+}
+
// InstanceManager is an interface exposes the instantiation functionality
type InstanceManager interface {
Create(i InstanceRequest) (InstanceResponse, error)
Get(id string) (InstanceResponse, error)
+ List() ([]InstanceMiniResponse, error)
Find(rbName string, ver string, profile string, labelKeys map[string]string) ([]InstanceResponse, error)
Delete(id string) error
}
@@ -171,6 +182,37 @@ func (v *InstanceClient) Get(id string) (InstanceResponse, error) {
return InstanceResponse{}, pkgerrors.New("Error getting Instance")
}
+// List returns the instance for corresponding ID
+// Empty string returns all
+func (v *InstanceClient) List() ([]InstanceMiniResponse, error) {
+
+ dbres, err := db.DBconn.ReadAll(v.storeName, v.tagInst)
+ if err != nil || len(dbres) == 0 {
+ return []InstanceMiniResponse{}, pkgerrors.Wrap(err, "Listing Instances")
+ }
+
+ var results []InstanceMiniResponse
+ for key, value := range dbres {
+ //value is a byte array
+ if value != nil {
+ resp := InstanceResponse{}
+ err = db.DBconn.Unmarshal(value, &resp)
+ if err != nil {
+ log.Printf("[Instance] Error: %s Unmarshaling Instance: %s", err.Error(), key)
+ }
+
+ miniresp := InstanceMiniResponse{
+ ID: resp.ID,
+ Request: resp.Request,
+ Namespace: resp.Namespace,
+ }
+ results = append(results, miniresp)
+ }
+ }
+
+ return results, nil
+}
+
// Find returns the instances that match the given criteria
// If version is empty, it will return all instances for a given rbName
// If profile is empty, it will return all instances for a given rbName+version