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authorBin Yang <bin.yang@windriver.com>2019-04-12 03:26:10 +0000
committerGerrit Code Review <gerrit@onap.org>2019-04-12 03:26:10 +0000
commitfccd5b4d6efd86fc55598103aca140a8f28d5071 (patch)
tree66682d6c36e9c60ccd26be70c5b14f8b892f05a4 /src/k8splugin/internal
parent84c644d692929bbf041aae16c91e6dbf5fbdeb7f (diff)
parent8c3bfebaf6792bbf5fb9042532c918107633a957 (diff)
Merge "Add Connectivity Info API"
Diffstat (limited to 'src/k8splugin/internal')
-rw-r--r--src/k8splugin/internal/connection/connection.go127
-rw-r--r--src/k8splugin/internal/connection/connectionhandler.go120
2 files changed, 247 insertions, 0 deletions
diff --git a/src/k8splugin/internal/connection/connection.go b/src/k8splugin/internal/connection/connection.go
new file mode 100644
index 00000000..3faa74bd
--- /dev/null
+++ b/src/k8splugin/internal/connection/connection.go
@@ -0,0 +1,127 @@
+/*
+ * 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 connection
+
+import (
+ "encoding/json"
+ "k8splugin/internal/db"
+
+ pkgerrors "github.com/pkg/errors"
+)
+
+// Connection contains the parameters needed for Connection information for a Cloud region
+type Connection struct {
+ ConnectionName string `json:"name"`
+ CloudOwner string `json:"cloud-owner"`
+ CloudRegionID string `json:"cloud-region-id"`
+ Kubeconfig map[string]interface{} `json:"kubeconfig"`
+ OtherConnectivityList map[string]interface{} `json:"other-connectivity-list"`
+}
+
+// ConnectionKey is the key structure that is used in the database
+type ConnectionKey struct {
+ ConnectionName string `json:"connection-name"`
+}
+
+// We will use json marshalling to convert to string to
+// preserve the underlying structure.
+func (dk ConnectionKey) String() string {
+ out, err := json.Marshal(dk)
+ if err != nil {
+ return ""
+ }
+
+ return string(out)
+}
+
+// ConnectionManager is an interface exposes the Connection functionality
+type ConnectionManager interface {
+ Create(c Connection) (Connection, error)
+ Get(name string) (Connection, error)
+ Delete(name string) error
+}
+
+// ConnectionClient implements the ConnectionManager
+// It will also be used to maintain some localized state
+type ConnectionClient struct {
+ storeName string
+ tagMeta string
+}
+
+// New ConnectionClient returns an instance of the ConnectionClient
+// which implements the ConnectionManager
+func NewConnectionClient() *ConnectionClient {
+ return &ConnectionClient{
+ storeName: "connection",
+ tagMeta: "metadata",
+ }
+}
+
+// Create an entry for the Connection resource in the database`
+func (v *ConnectionClient) Create(c Connection) (Connection, error) {
+
+ //Construct composite key consisting of name
+ key := ConnectionKey{ConnectionName: c.ConnectionName}
+
+ //Check if this Connection already exists
+ _, err := v.Get(c.ConnectionName)
+ if err == nil {
+ return Connection{}, pkgerrors.New("Connection already exists")
+ }
+
+ err = db.DBconn.Create(v.storeName, key, v.tagMeta, c)
+ if err != nil {
+ return Connection{}, pkgerrors.Wrap(err, "Creating DB Entry")
+ }
+
+ return c, nil
+}
+
+// Get returns Connection for corresponding to name
+func (v *ConnectionClient) Get(name string) (Connection, error) {
+
+ //Construct the composite key to select the entry
+ key := ConnectionKey{ConnectionName: name}
+ value, err := db.DBconn.Read(v.storeName, key, v.tagMeta)
+ if err != nil {
+ return Connection{}, pkgerrors.Wrap(err, "Get Connection")
+ }
+
+ //value is a byte array
+ if value != nil {
+ c := Connection{}
+ err = db.DBconn.Unmarshal(value, &c)
+ if err != nil {
+ return Connection{}, pkgerrors.Wrap(err, "Unmarshaling Value")
+ }
+ return c, nil
+ }
+
+ return Connection{}, pkgerrors.New("Error getting Connection")
+}
+
+// Delete the Connection from database
+func (v *ConnectionClient) Delete(name string) error {
+
+ //Construct the composite key to select the entry
+ key := ConnectionKey{ConnectionName: name}
+ err := db.DBconn.Delete(v.storeName, key, v.tagMeta)
+ if err != nil {
+ return pkgerrors.Wrap(err, "Delete Connection")
+ }
+ return nil
+}
diff --git a/src/k8splugin/internal/connection/connectionhandler.go b/src/k8splugin/internal/connection/connectionhandler.go
new file mode 100644
index 00000000..ddb43f57
--- /dev/null
+++ b/src/k8splugin/internal/connection/connectionhandler.go
@@ -0,0 +1,120 @@
+/*
+ * 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 connection
+
+import (
+ "encoding/json"
+ "io"
+ "net/http"
+
+ "github.com/gorilla/mux"
+)
+
+// ConnectionHandler is used to store backend implementations objects
+// Also simplifies mocking for unit testing purposes
+type ConnectionHandler struct {
+ // Interface that implements Connectivity operations
+ // We will set this variable with a mock interface for testing
+ Client ConnectionManager
+}
+
+// createHandler handles creation of the connectivity entry in the database
+func (h ConnectionHandler) CreateHandler(w http.ResponseWriter, r *http.Request) {
+ var v Connection
+
+ err := json.NewDecoder(r.Body).Decode(&v)
+ switch {
+ case err == io.EOF:
+ http.Error(w, "Empty body", http.StatusBadRequest)
+ return
+ case err != nil:
+ http.Error(w, err.Error(), http.StatusUnprocessableEntity)
+ return
+ }
+
+ // Name is required.
+ if v.ConnectionName == "" {
+ http.Error(w, "Missing name in POST request", http.StatusBadRequest)
+ return
+ }
+
+ // Cloudowner is required.
+ if v.CloudOwner == "" {
+ http.Error(w, "Missing cloudowner in POST request", http.StatusBadRequest)
+ return
+ }
+
+ // CloudRegionID is required.
+ if v.CloudRegionID == "" {
+ http.Error(w, "Missing CloudRegionID in POST request", http.StatusBadRequest)
+ return
+ }
+
+ // CloudRegionID is required.
+ if v.Kubeconfig == nil {
+ http.Error(w, "Missing Kubeconfig in POST request", http.StatusBadRequest)
+ return
+ }
+ ret, err := h.Client.Create(v)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusCreated)
+ err = json.NewEncoder(w).Encode(ret)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+}
+
+// getHandler handles GET operations on a particular name
+// Returns a Connectivity instance
+func (h ConnectionHandler) GetHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ name := vars["connname"]
+
+ ret, err := h.Client.Get(name)
+ 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(ret)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+}
+
+// deleteHandler handles DELETE operations on a particular record
+func (h ConnectionHandler) DeleteHandler(w http.ResponseWriter, r *http.Request) {
+ vars := mux.Vars(r)
+ name := vars["connname"]
+
+ err := h.Client.Delete(name)
+ if err != nil {
+ http.Error(w, err.Error(), http.StatusInternalServerError)
+ return
+ }
+
+ w.WriteHeader(http.StatusNoContent)
+}