Some Refactoring.

host/exchangeKeys.go

@@ -0,0 +1,59 @@
+package host
+
+import (
+	"encoding/json"
+	"io"
+	"net/http"
+	"bytes"
+	cfg "github.com/rony5394/blazena/config"
+);
+
+func exchangeKeys(Config cfg.Config, sshKeyPem string)string{
+	var body struct{
+		SshPkPem string `json:"sshPkPem"` 
+	} = struct{SshPkPem string `json:"sshPkPem"`}{
+		SshPkPem: sshKeyPem,
+	};
+
+	bodyEncoded, err := json.Marshal(body);
+
+	if err != nil {
+		panic("Failed to marshal body."+ err.Error());
+	}
+
+	rq, err := http.NewRequest("POST", Config.DockerManagerBaseUrl + "/keys", bytes.NewBuffer(bodyEncoded)); 
+
+	if err != nil{
+		panic("Failed to create http request"+ err.Error());
+	}
+
+	rq.Header.Set("Authorization", "Bearer "+ token);
+	rq.Close = true;
+	rs, err := http.DefaultClient.Do(rq);
+
+	if err != nil{
+		panic("Failed to send http request"+ err.Error());
+	}
+
+	defer rs.Body.Close();
+
+	rsBodyRaw, err := io.ReadAll(rs.Body);
+
+	if err != nil{
+		panic("Failed to read response's body!"+err.Error());
+	}
+
+	var rsBody struct{
+		HostPkPem string `json:"hostPkPem"` 
+	};
+
+	err = json.Unmarshal(rsBodyRaw, &rsBody);
+	if err != nil{
+		panic("Failed to unmarshal rsBodyRaw!"+ err.Error());
+	}
+
+
+	return rsBody.HostPkPem;
+}
+
+