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new 4309efe [Cherry-pick] Add /backends HTTP api for spark/flink connector
4309efe is described below
commit 4309efe46a5c1c8b03781d37789837f8529dee6b
Author: morningman <chenmin...@baidu.com>
AuthorDate: Tue Nov 9 15:11:54 2021 +0800
[Cherry-pick] Add /backends HTTP api for spark/flink connector
This is part of PR #6984
Only add /backends info. The code of spark/flink connector remain unchanged.
---
.../apache/doris/httpv2/rest/BackendsAction.java | 112 +++++++++++++++++++++
1 file changed, 112 insertions(+)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/httpv2/rest/BackendsAction.java
b/fe/fe-core/src/main/java/org/apache/doris/httpv2/rest/BackendsAction.java
new file mode 100644
index 0000000..4d88c52
--- /dev/null
+++ b/fe/fe-core/src/main/java/org/apache/doris/httpv2/rest/BackendsAction.java
@@ -0,0 +1,112 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you 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 org.apache.doris.httpv2.rest;
+
+import org.apache.doris.catalog.Catalog;
+import org.apache.doris.httpv2.entity.ResponseEntityBuilder;
+import org.apache.doris.system.Backend;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.common.base.Strings;
+import com.google.common.collect.Lists;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import lombok.Getter;
+import lombok.Setter;
+
+/**
+ * This class responsible for returning current backends info.
+ * Mainly used for flink/spark connector, which need backends info to execute
stream load.
+ * It only requires password, no auth check.
+ * <p>
+ * Response:
+ * <p>
+ * {
+ * "msg": "success",
+ * "code": 0,
+ * "data": {
+ * "backends": [
+ * {
+ * "ip": "192.1.1.1",
+ * "http_port": 8040,
+ * "is_alive": true
+ * }
+ * ]
+ * },
+ * "count": 0
+ * }
+ */
+@RestController
+public class BackendsAction extends RestBaseController {
+ public static final Logger LOG =
LogManager.getLogger(BackendsAction.class);
+
+ private static final String IS_ALIVE = "is_alive";
+
+ @RequestMapping(path = "/api/backends", method = {RequestMethod.GET})
+ public Object getBackends(HttpServletRequest request, HttpServletResponse
response) {
+ executeCheckPassword(request, response);
+
+ boolean needAlive = false;
+ String isAlive = request.getParameter(IS_ALIVE);
+ if (!Strings.isNullOrEmpty(isAlive) &&
isAlive.equalsIgnoreCase("true")) {
+ needAlive = true;
+ }
+
+ BackendInfo backendInfo = new BackendInfo();
+ backendInfo.backends = Lists.newArrayList();
+ List<Long> beIds =
Catalog.getCurrentSystemInfo().getBackendIds(needAlive);
+ for (Long beId : beIds) {
+ Backend be = Catalog.getCurrentSystemInfo().getBackend(beId);
+ if (be != null) {
+ BackendRow backendRow = new BackendRow();
+ backendRow.ip = be.getHost();
+ backendRow.httpPort = be.getHttpPort();
+ backendRow.isAlive = be.isAlive();
+ backendInfo.backends.add(backendRow);
+ }
+ }
+ return ResponseEntityBuilder.ok(backendInfo);
+ }
+
+ @Getter
+ @Setter
+ public static class BackendInfo {
+ @JsonProperty("backends")
+ public List<BackendRow> backends;
+ }
+
+ @Getter
+ @Setter
+ public static class BackendRow {
+ @JsonProperty("ip")
+ public String ip;
+ @JsonProperty("http_port")
+ public int httpPort;
+ @JsonProperty("is_alive")
+ public boolean isAlive;
+ }
+}
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