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-rw-r--r--src/dkv/api/backendCassandraDatastore.go45
-rw-r--r--src/dkv/api/backendConsulDatastore.go (renamed from src/dkv/api/backendConsulConnection.go)34
-rw-r--r--src/dkv/api/backendDatastoreConnection.go27
-rw-r--r--src/dkv/api/backendFilesystemConnection.go2
-rw-r--r--src/dkv/api/backendPropertiesConnection.go4
-rw-r--r--src/dkv/api/backendfakes.go16
-rw-r--r--src/dkv/api/configHandlers_test.go36
-rw-r--r--src/dkv/api/initialise.go24
-rw-r--r--src/dkv/api/initialise_test.go39
-rw-r--r--src/dkv/api/queryDatastoreHandlers.go (renamed from src/dkv/api/queryConsulHandlers.go)6
-rw-r--r--src/dkv/api/queryDatastoreHandlers_test.go (renamed from src/dkv/api/queryConsulHandlers_test.go)36
11 files changed, 184 insertions, 85 deletions
diff --git a/src/dkv/api/backendCassandraDatastore.go b/src/dkv/api/backendCassandraDatastore.go
new file mode 100644
index 0000000..555ad0f
--- /dev/null
+++ b/src/dkv/api/backendCassandraDatastore.go
@@ -0,0 +1,45 @@
+/*
+ * 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
+
+// (TODO)sahank: Complete MUSIC Cassandra Connections.
+
+type CassandraStruct struct{}
+
+func (c *CassandraStruct) InitializeDatastoreClient() error {
+ return nil
+}
+
+func (c *CassandraStruct) CheckDatastoreHealth() error {
+ return nil
+}
+
+func (c *CassandraStruct) RequestPUT(key string, value string) error {
+ return nil
+}
+
+func (c *CassandraStruct) RequestGET(key string) (string, error) {
+ return "", nil
+}
+
+func (c *CassandraStruct) RequestGETS() ([]string, error) {
+ return []string{"", ""}, nil
+}
+
+func (c *CassandraStruct) RequestDELETE(key string) error {
+ return nil
+}
diff --git a/src/dkv/api/backendConsulConnection.go b/src/dkv/api/backendConsulDatastore.go
index 9c2f8d6..231980c 100644
--- a/src/dkv/api/backendConsulConnection.go
+++ b/src/dkv/api/backendConsulDatastore.go
@@ -22,38 +22,16 @@ import (
"os"
)
-// Interface to have all signature methods.
-type ConsulRequester interface {
- InitializeConsulClient() error
- CheckConsulHealth() error
- RequestPUT(string, string) error
- RequestGET(string) (string, error)
- RequestGETS() ([]string, error)
- RequestDELETE(string) error
-}
-
type ConsulStruct struct {
consulClient *consulapi.Client
}
-/*
-This var is an interface used to initialize ConsulStruct when the who API is brought up. This is done this way so
-that a fake Consul can be created which satisfies the interface and we can use that fake Consul in unit testing.
-*/
-var Consul ConsulRequester
-
-/*
-The following functions seems like they are not used. But since they are following the ConsulRequest interface,
-they can be visible to any Struct which is initiated using the ConsulRequest. This is done for this project in
-the initialise.go file where we are creating a ConsulStruct and assigning it to Consul var which is declared
-above.
-*/
-func (c *ConsulStruct) InitializeConsulClient() error {
- if os.Getenv("CONSUL_IP") == "" {
- return errors.New("CONSUL_IP environment variable not set.")
+func (c *ConsulStruct) InitializeDatastoreClient() error {
+ if os.Getenv("DATASTORE_IP") == "" {
+ return errors.New("DATASTORE_IP environment variable not set.")
}
config := consulapi.DefaultConfig()
- config.Address = os.Getenv("CONSUL_IP") + ":8500"
+ config.Address = os.Getenv("DATASTORE_IP") + ":8500"
client, err := consulapi.NewClient(config)
if err != nil {
@@ -64,11 +42,11 @@ func (c *ConsulStruct) InitializeConsulClient() error {
return nil
}
-func (c *ConsulStruct) CheckConsulHealth() error {
+func (c *ConsulStruct) CheckDatastoreHealth() error {
kv := c.consulClient.KV()
_, _, err := kv.Get("test", nil)
if err != nil {
- return errors.New("[ERROR] Cannot talk to Consul. Check if it is running/reachable.")
+ return errors.New("[ERROR] Cannot talk to Datastore. Check if it is running/reachable.")
}
return nil
}
diff --git a/src/dkv/api/backendDatastoreConnection.go b/src/dkv/api/backendDatastoreConnection.go
new file mode 100644
index 0000000..ebfcc4b
--- /dev/null
+++ b/src/dkv/api/backendDatastoreConnection.go
@@ -0,0 +1,27 @@
+/*
+ * 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
+
+// Interface to have Data Store signature methods.
+type DatastoreConnector interface {
+ InitializeDatastoreClient() error
+ CheckDatastoreHealth() error
+ RequestPUT(string, string) error
+ RequestGET(string) (string, error)
+ RequestGETS() ([]string, error)
+ RequestDELETE(string) error
+}
diff --git a/src/dkv/api/backendFilesystemConnection.go b/src/dkv/api/backendFilesystemConnection.go
index e6c37ab..519022c 100644
--- a/src/dkv/api/backendFilesystemConnection.go
+++ b/src/dkv/api/backendFilesystemConnection.go
@@ -49,8 +49,6 @@ const (
var MOUNTPATH = ""
-var Directory DirectoryOperationer
-
func (d *DirectoryStruct) CreateService(body CreateRegisterServiceBody) (string, error) {
// Having same name is prohibited?
diff --git a/src/dkv/api/backendPropertiesConnection.go b/src/dkv/api/backendPropertiesConnection.go
index d485b40..df9683b 100644
--- a/src/dkv/api/backendPropertiesConnection.go
+++ b/src/dkv/api/backendPropertiesConnection.go
@@ -34,8 +34,6 @@ type KeyValuesInterface interface {
type KeyValuesStruct struct{}
-var KeyValues KeyValuesInterface
-
func (kvStruct *KeyValuesStruct) WriteKVsToConsul(token string, subdomain string, kvs map[string]string) error {
var prefix = ""
if subdomain != "" {
@@ -45,7 +43,7 @@ func (kvStruct *KeyValuesStruct) WriteKVsToConsul(token string, subdomain string
}
for key, value := range kvs {
key = prefix + key
- err := Consul.RequestPUT(key, value)
+ err := Datastore.RequestPUT(key, value)
if err != nil {
return err
}
diff --git a/src/dkv/api/backendfakes.go b/src/dkv/api/backendfakes.go
index c5ca39a..8c8b8a9 100644
--- a/src/dkv/api/backendfakes.go
+++ b/src/dkv/api/backendfakes.go
@@ -31,6 +31,14 @@ type FakeConsul struct {
ConsulStruct
}
+func (f *FakeConsul) InitializeDatastoreClient() error {
+ return nil
+}
+
+func (f *FakeConsul) CheckDatastoreHealth() error {
+ return nil
+}
+
func (f *FakeConsul) RequestGETS() ([]string, error) {
return []string{"key1", "key2"}, nil
}
@@ -52,6 +60,14 @@ type FakeConsulErr struct {
ConsulStruct
}
+func (f *FakeConsulErr) InitializeDatastoreClient() error {
+ return errors.New("Internal Server Error")
+}
+
+func (f *FakeConsulErr) CheckDatastoreHealth() error {
+ return errors.New("Internal Server Error")
+}
+
func (f *FakeConsulErr) RequestGETS() ([]string, error) {
return []string{"", ""}, errors.New("Internal Server Error")
}
diff --git a/src/dkv/api/configHandlers_test.go b/src/dkv/api/configHandlers_test.go
index e2f796a..bb11eb1 100644
--- a/src/dkv/api/configHandlers_test.go
+++ b/src/dkv/api/configHandlers_test.go
@@ -75,14 +75,14 @@ func TestHandleConfigDelete_err(t *testing.T) {
}
func TestHandleConfigPOST(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsul{}
+ Datastore = &FakeConsul{}
KeyValues = &FakeKeyValues{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
@@ -104,14 +104,14 @@ func TestHandleConfigPOST(t *testing.T) {
}
func TestHandleConfigPOST_only_token(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsul{}
+ Datastore = &FakeConsul{}
KeyValues = &FakeKeyValues{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
@@ -133,14 +133,14 @@ func TestHandleConfigPOST_only_token(t *testing.T) {
}
func TestHandleConfigPOST_no_body(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsul{}
+ Datastore = &FakeConsul{}
KeyValues = &FakeKeyValues{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
@@ -156,14 +156,14 @@ func TestHandleConfigPOST_no_body(t *testing.T) {
}
func TestHandleConfigPOST_ConsulError(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsulErr{}
+ Datastore = &FakeConsulErr{}
KeyValues = &FakeKeyValuesErr{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
@@ -196,14 +196,14 @@ func TestHandleConfigUpload_err(t *testing.T) {
}
func TestHandleDefaultConfigLoad(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsul{}
+ Datastore = &FakeConsul{}
KeyValues = &FakeKeyValues{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
@@ -215,14 +215,14 @@ func TestHandleDefaultConfigLoad(t *testing.T) {
}
func TestHandleDefaultConfigLoad_err(t *testing.T) {
- oldConsul := Consul
+ oldDatastore := Datastore
oldKeyValues := KeyValues
- Consul = &FakeConsul{}
+ Datastore = &FakeConsul{}
KeyValues = &FakeKeyValuesErr{}
defer func() {
- Consul = oldConsul
+ Datastore = oldDatastore
KeyValues = oldKeyValues
}()
diff --git a/src/dkv/api/initialise.go b/src/dkv/api/initialise.go
index f4edc6c..20a5df4 100644
--- a/src/dkv/api/initialise.go
+++ b/src/dkv/api/initialise.go
@@ -16,19 +16,35 @@
package api
-import "os"
+import (
+ "errors"
+ "os"
+)
+
+var (
+ Datastore DatastoreConnector
+ KeyValues KeyValuesInterface
+ Directory DirectoryOperationer
+)
func Initialise() error {
- Consul = &ConsulStruct{}
+ if os.Getenv("DATASTORE") == "" {
+ return errors.New("DATASTORE environment variable not set.")
+ }
+ if os.Getenv("DATASTORE") == "consul" {
+ Datastore = &ConsulStruct{}
+ } else if os.Getenv("DATASTORE") == "cassandra" {
+ Datastore = &CassandraStruct{}
+ }
KeyValues = &KeyValuesStruct{}
Directory = &DirectoryStruct{directory: ""}
- err := Consul.InitializeConsulClient()
+ err := Datastore.InitializeDatastoreClient()
if err != nil {
return err
}
- err = Consul.CheckConsulHealth()
+ err = Datastore.CheckDatastoreHealth()
if err != nil {
return err
}
diff --git a/src/dkv/api/initialise_test.go b/src/dkv/api/initialise_test.go
index 3063201..363edce 100644
--- a/src/dkv/api/initialise_test.go
+++ b/src/dkv/api/initialise_test.go
@@ -22,20 +22,41 @@ import (
"testing"
)
-func TestInitialise_errorIP(t *testing.T) {
- consul_ip := os.Getenv("CONSUL_IP")
- os.Unsetenv("CONSUL_IP")
- defer os.Setenv("CONSUL_IP", consul_ip)
+func TestInitialise_cassandra(t *testing.T) {
+ oldDatastore_ip := os.Getenv("DATASTORE_IP")
+ oldDatastore_type := os.Getenv("DATASTORE")
+
+ os.Setenv("DATASTORE_IP", "localhost")
+ os.Setenv("DATASTORE", "cassandra")
+
+ defer func() {
+ os.Setenv("DATASTORE_IP", oldDatastore_ip)
+ os.Setenv("DATASTORE", oldDatastore_type)
+ }()
+
+ err := Initialise()
+ assert.Nil(t, err)
+}
+func TestInitialise_consulError(t *testing.T) {
+ oldDatastore_ip := os.Getenv("DATASTORE_IP")
+ oldDatastore_type := os.Getenv("DATASTORE")
+
+ os.Setenv("DATASTORE_IP", "localhost")
+ os.Setenv("DATASTORE", "consul")
+
+ defer func() {
+ os.Setenv("DATASTORE_IP", oldDatastore_ip)
+ os.Setenv("DATASTORE", oldDatastore_type)
+ }()
err := Initialise()
assert.NotNil(t, err)
}
-func TestInitialise_errorConsul(t *testing.T) {
- // This is done this way cause the Consul interface with Fake Struct will get
- // overridden with real Struct during runtime.
- os.Setenv("CONSUL_IP", "test")
- defer os.Unsetenv("CONSUL_IP")
+func TestInitialise_datastoreEmptyError(t *testing.T) {
+ datastore := os.Getenv("DATASTORE")
+ os.Unsetenv("DATASTORE")
+ defer os.Setenv("DATASTORE", datastore)
err := Initialise()
assert.NotNil(t, err)
diff --git a/src/dkv/api/queryConsulHandlers.go b/src/dkv/api/queryDatastoreHandlers.go
index fb63b6d..4197ac0 100644
--- a/src/dkv/api/queryConsulHandlers.go
+++ b/src/dkv/api/queryDatastoreHandlers.go
@@ -38,7 +38,7 @@ func HandleGET(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
key := vars["token"] + "/" + vars["key"]
- value, err := Consul.RequestGET(key)
+ value, err := Datastore.RequestGET(key)
if err != nil {
req := ResponseStringStruct{Response: string(err.Error())}
@@ -54,7 +54,7 @@ func HandleGET(w http.ResponseWriter, r *http.Request) {
func HandleGETS(w http.ResponseWriter, r *http.Request) {
- values, err := Consul.RequestGETS()
+ values, err := Datastore.RequestGETS()
if err != nil {
req := ResponseStringStruct{Response: string(err.Error())}
@@ -72,7 +72,7 @@ func HandleDELETE(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
key := vars["key"]
- err := Consul.RequestDELETE(key)
+ err := Datastore.RequestDELETE(key)
if err != nil {
req := ResponseStringStruct{Response: string(err.Error())}
diff --git a/src/dkv/api/queryConsulHandlers_test.go b/src/dkv/api/queryDatastoreHandlers_test.go
index 38f3acd..c6211bc 100644
--- a/src/dkv/api/queryConsulHandlers_test.go
+++ b/src/dkv/api/queryDatastoreHandlers_test.go
@@ -33,9 +33,9 @@ func RouterConsul() *mux.Router {
}
func TestHandleGETS(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsul{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsul{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("GET", "/v1/getconfigs", nil)
response := httptest.NewRecorder()
@@ -45,9 +45,9 @@ func TestHandleGETS(t *testing.T) {
}
func TestHandleGETS_err(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsulErr{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsulErr{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("GET", "/v1/getconfigs", nil)
response := httptest.NewRecorder()
@@ -57,9 +57,9 @@ func TestHandleGETS_err(t *testing.T) {
}
func TestHandleGET(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsul{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsul{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("GET", "/v1/getconfig/key1", nil)
response := httptest.NewRecorder()
@@ -69,9 +69,9 @@ func TestHandleGET(t *testing.T) {
}
func TestHandleGET_err(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsulErr{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsulErr{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("GET", "/v1/getconfig/key1", nil)
response := httptest.NewRecorder()
@@ -81,9 +81,9 @@ func TestHandleGET_err(t *testing.T) {
}
func TestHandleDELETE(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsul{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsul{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("DELETE", "/v1/deleteconfig/key1", nil)
response := httptest.NewRecorder()
@@ -93,9 +93,9 @@ func TestHandleDELETE(t *testing.T) {
}
func TestHandleDELETE_err(t *testing.T) {
- oldConsul := Consul
- Consul = &FakeConsulErr{}
- defer func() { Consul = oldConsul }()
+ oldDataStore := Datastore
+ Datastore = &FakeConsulErr{}
+ defer func() { Datastore = oldDataStore }()
request, _ := http.NewRequest("DELETE", "/v1/deleteconfig/key1", nil)
response := httptest.NewRecorder()