如何限制NGINX流模块中的请求速率?就是这样:
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
public class RateCardRest {
public static String getAccessToken(String tenantId, String clientId, String clientSecret)
throws MalformedURLException, IOException {
String endpoint = String.format("https://login.microsoftonline.com/%s/oauth2/token", tenantId);
String postBody = String.format("grant_type=client_credentials&client_id=%s&client_secret=%s&resource=%s",
clientId, clientSecret, "https://management.azure.com/");
HttpURLConnection conn = (HttpURLConnection) new URL(endpoint).openConnection();
conn.setRequestMethod("POST");
conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setDoOutput(true);
conn.getOutputStream().write(postBody.getBytes());
conn.connect();
// If you want to see the response content, please use the commented code below.
// BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
// StringBuilder builder = new StringBuilder();
// String line = null;
// while ((line = reader.readLine()) != null) {
// builder.append(line);
// }
// reader.close();
// System.out.println(builder.toString());
// The output for access token is {"token_type":"Bearer","expires_in":"3600","ext_expires_in":"3600","expires_on":"1550660092","not_before":"1550656192","resource":"https://management.azure.com/","access_token":"eyJ0eXAiOiJKV1QiL...."}
JsonFactory factory = new JsonFactory();
JsonParser parser = factory.createParser(conn.getInputStream());
String accessToken = null;
while (parser.nextToken() != JsonToken.END_OBJECT) {
String name = parser.getCurrentName();
if ("access_token".equals(name)) {
parser.nextToken();
accessToken = parser.getText();
}
}
return accessToken;
}
public static String getRateCard(String subscriptionId, String apiVersion, String offerId, String currency,
String locale, String region, String accessToken) throws MalformedURLException, IOException {
String endpoint = String.format(
"https://management.azure.com/subscriptions/%s/providers/Microsoft.Commerce/RateCard?api-version=%s&$filter=OfferDurableId eq '%s' and Currency eq '%s' and Locale eq '%s' and RegionInfo eq '%s'",
subscriptionId, apiVersion, offerId, currency, locale, region).replaceAll(" ", "%20");
HttpURLConnection conn = (HttpURLConnection) new URL(endpoint).openConnection();
conn.setRequestMethod("GET");
conn.addRequestProperty("Authorization", "Bearer " + accessToken);
conn.addRequestProperty("Content-Type", "application/json");
conn.connect();
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
StringBuilder builder = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
builder.append(line);
}
reader.close();
return builder.toString();
}
public static void main(String[] args) throws MalformedURLException, IOException {
String tenantId = "<your tenant id like xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx";
String clientId = "<your client id registed in AAD like xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx";
String clientSecret = "<your client secret key generated in AAD>";
String accessToken = getAccessToken(tenantId, clientId, clientSecret);
System.out.println(accessToken);
String subscriptionId = "<your subscription id like xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxxx";
String apiVersion = "2015-06-01-preview";
String offerId = "<your offer id like XX-AZR-XXXXX";
String currency = "USD";
String locale = "en-US";
String region = "US";
String rateCardResp = getRateCard(subscriptionId, apiVersion, offerId, currency, locale, region, accessToken);
System.out.println(rateCardResp);
}
}