ob/agent/api/utils.go - master - zhendosina/obshell

ob/agent/api/utils.go
77 строк2 KB
Junkrat77
PullRequest: 733 for dashboard stop scope server
03 фев 2026, 08:36
03 фев 2026, 08:366163196
/*
 * Copyright (c) 2024 OceanBase.
 *
 * 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

import (
	"github.com/gin-gonic/gin"
	"github.com/oceanbase/obshell/ob/agent/api/common"
	"github.com/oceanbase/obshell/ob/agent/constant"
	"github.com/oceanbase/obshell/ob/agent/errors"
	"github.com/oceanbase/obshell/ob/agent/lib/http"
	"github.com/oceanbase/obshell/ob/agent/meta"
	"github.com/oceanbase/obshell/ob/agent/repository/db/oceanbase"
	"github.com/oceanbase/obshell/ob/agent/secure"
	log "github.com/sirupsen/logrus"
)

func checkClusterAgentWrapper(f func(*gin.Context)) func(*gin.Context) {
	return func(c *gin.Context) {
		err := checkClusterAgent()
		if err != nil {
			common.SendResponse(c, nil, err)
			return
		}
		f(c)
	}
}

func checkClusterAgent() error {
	if !meta.OCS_AGENT.IsClusterAgent() {
		return errors.Occur(errors.ErrAgentIdentifyNotSupportOperation, meta.OCS_AGENT.String(), meta.OCS_AGENT.GetIdentity(), meta.CLUSTER_AGENT)
	}
	return nil
}

func findAvailableClusterAgentIfNeedWrapper(f func(*gin.Context)) func(*gin.Context) {
	return func(c *gin.Context) {
		// Cannot assume the entire cluster is unavailable when the current OB connection fails
		// As the current observer may still be starting up.
		err := oceanbase.QuickHealthCheck()
		if err != nil {
			agents, err := agentService.GetAllAgents()
			if err == nil {
				uri := constant.URI_API_V1 + constant.URI_STATUS + "?ob_query_timeout=" + oceanbase.DEFAULT_OCEANBASE_QUERY_TIMEOUT
				for _, agent := range agents {
					if agent.Equal(meta.OCS_AGENT) {
						continue
					}

					status := http.AgentStatus{}
					err := secure.SendGetRequest(&agent, uri, nil, &status)
					if err == nil {
						if status.OBState == oceanbase.STATE_CONNECTION_AVAILABLE {
							common.ForwardRequest(c, &agent, nil)
							return
						}
					} else {
						log.WithContext(c).Warnf("Failed to get status of agent %s: %s", agent.String(), err.Error())
					}
				}
			}
		}
		f(c)
	}
}