add oracle cloud

aws.go

@@ -9,11 +9,11 @@ func detectAWS() string {
 	v2ResultChan := make(chan bool, 1)
 
 	go func() {
-		v1ResultChan <- detectIDMSv1()
+		v1ResultChan <- detectAWSIDMSv1()
 	}()
 
 	go func() {
-		v2ResultChan <- detectIDMSv2()
+		v2ResultChan <- detectAWSIDMSv2()
 	}()
 
 	v1Result, v2Result := <-v1ResultChan, <-v2ResultChan
@@ -24,7 +24,7 @@ func detectAWS() string {
 	return ""
 }
 
-func detectIDMSv1() bool {
+func detectAWSIDMSv1() bool {
 	resp, err := hc.Get("http://169.254.169.254/latest/")
 	if err != nil {
 		return false
@@ -33,7 +33,7 @@ func detectIDMSv1() bool {
 	return resp.StatusCode == http.StatusOK
 }
 
-func detectIDMSv2() bool {
+func detectAWSIDMSv2() bool {
 	req, err := http.NewRequest("PUT", "http://169.254.169.254/latest/api/token", nil)
 	if err != nil {
 		return false

detect.go

@@ -19,6 +19,7 @@ func Detect() string {
 		detectAzure,
 		detectDigitalOcean,
 		detectGCE,
+		detectOracle,
 		detectOpenStack,
 		detectSoftlayer,
 		detectVultr,

oracle.go

@@ -0,0 +1,53 @@
+package libdetectcloud
+
+import "net/http"
+
+func detectOracle() string {
+	v1ResultChan := make(chan bool, 1)
+	v2ResultChan := make(chan bool, 1)
+
+	go func() {
+		v1ResultChan <- detectOracleIDMSv1()
+	}()
+
+	go func() {
+		v2ResultChan <- detectOracleIDMSv2()
+	}()
+
+	v1Result, v2Result := <-v1ResultChan, <-v2ResultChan
+
+	if v1Result || v2Result {
+		return "Oracle"
+	}
+	return ""
+}
+
+func detectOracleIDMSv1() bool {
+	req, err := http.NewRequest("GET", "http://169.254.169.254/opc/v1/instance/", nil)
+	if err != nil {
+		return false
+	}
+	req.Header.Add("Authorization", "Bearer Oracle")
+
+	resp, err := hc.Do(req)
+	if err != nil {
+		return false
+	}
+	defer resp.Body.Close()
+	return resp.StatusCode == http.StatusOK
+}
+
+func detectOracleIDMSv2() bool {
+	req, err := http.NewRequest("GET", "http://169.254.169.254/opc/v2/instance/", nil)
+	if err != nil {
+		return false
+	}
+	req.Header.Add("Authorization", "Bearer Oracle")
+
+	resp, err := hc.Do(req)
+	if err != nil {
+		return false
+	}
+	defer resp.Body.Close()
+	return resp.StatusCode == http.StatusOK
+}