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authorKiran Kamineni <kiran.k.kamineni@intel.com>2019-04-24 17:23:22 -0700
committerKiran Kamineni <kiran.k.kamineni@intel.com>2019-04-25 14:49:24 -0700
commitf405c99e27e7556a31c5a347242e333878b6f10c (patch)
treed947b4b7c716cdcede02efcd32c37f79a167a850
parent6e08385919be58ae316a637d21b43ee7aa8df39c (diff)
Adding healthcheck for OOM testing
Add a heathcheck endpoint for OOM testing Issue-ID: ONAPARC-363 Change-Id: Id5f77478d331fedb19ac162389d95852e10c5022 Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>
-rw-r--r--src/k8splugin/api/api.go3
-rw-r--r--src/k8splugin/api/healthcheckhandler.go35
-rw-r--r--src/k8splugin/api/healthcheckhandler_test.go58
-rw-r--r--src/k8splugin/internal/db/testing.go4
4 files changed, 100 insertions, 0 deletions
diff --git a/src/k8splugin/api/api.go b/src/k8splugin/api/api.go
index 741c0639..5fed28a0 100644
--- a/src/k8splugin/api/api.go
+++ b/src/k8splugin/api/api.go
@@ -101,5 +101,8 @@ func NewRouter(defClient rb.DefinitionManager,
resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/rollback", configHandler.rollbackHandler).Methods("POST")
resRouter.HandleFunc("/definition/{rbname}/{rbversion}/profile/{prname}/config/tagit", configHandler.tagitHandler).Methods("POST")
+ // Add healthcheck path
+ instRouter.HandleFunc("/healthcheck", healthCheckHandler).Methods("GET")
+
return router
}
diff --git a/src/k8splugin/api/healthcheckhandler.go b/src/k8splugin/api/healthcheckhandler.go
new file mode 100644
index 00000000..79b7b7ef
--- /dev/null
+++ b/src/k8splugin/api/healthcheckhandler.go
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2018 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+ "net/http"
+
+ "k8splugin/internal/db"
+)
+
+// healthCheckHandler executes a db read to return health of k8splugin
+// and its backing database
+func healthCheckHandler(w http.ResponseWriter, r *http.Request) {
+ err := db.DBconn.HealthCheck()
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.WriteHeader(http.StatusOK)
+}
diff --git a/src/k8splugin/api/healthcheckhandler_test.go b/src/k8splugin/api/healthcheckhandler_test.go
new file mode 100644
index 00000000..c2e1888e
--- /dev/null
+++ b/src/k8splugin/api/healthcheckhandler_test.go
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2018 Intel Corporation, Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package api
+
+import (
+ "net/http"
+ "net/http/httptest"
+ "testing"
+
+ "k8splugin/internal/db"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// healthCheckHandler executes a db read to return health of k8splugin
+// and its backing database
+func TestHealthCheckHandler(t *testing.T) {
+
+ t.Run("OK HealthCheck", func(t *testing.T) {
+ db.DBconn = &db.MockDB{
+ Err: nil,
+ }
+ request := httptest.NewRequest("GET", "/v1/healthcheck", nil)
+ resp := executeRequest(request, NewRouter(nil, nil, nil, nil, nil))
+
+ //Check returned code
+ if resp.StatusCode != http.StatusOK {
+ t.Fatalf("Expected %d; Got: %d", http.StatusOK, resp.StatusCode)
+ }
+ })
+
+ t.Run("FAILED HealthCheck", func(t *testing.T) {
+ db.DBconn = &db.MockDB{
+ Err: pkgerrors.New("Runtime Error in DB"),
+ }
+ request := httptest.NewRequest("GET", "/v1/healthcheck", nil)
+ resp := executeRequest(request, NewRouter(nil, nil, nil, nil, nil))
+
+ //Check returned code
+ if resp.StatusCode != http.StatusInternalServerError {
+ t.Fatalf("Expected %d; Got: %d", http.StatusInternalServerError, resp.StatusCode)
+ }
+ })
+}
diff --git a/src/k8splugin/internal/db/testing.go b/src/k8splugin/internal/db/testing.go
index 1fefd63c..5f69dcb4 100644
--- a/src/k8splugin/internal/db/testing.go
+++ b/src/k8splugin/internal/db/testing.go
@@ -35,6 +35,10 @@ type MockDB struct {
Err error
}
+func (m *MockDB) HealthCheck() error {
+ return m.Err
+}
+
func (m *MockDB) Create(table string, key Key, tag string, data interface{}) error {
return m.Err
}