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broker_stats.go
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/
broker_stats.go
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// 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 admin
import (
"github.com/apache/pulsar-client-go/pulsaradmin/pkg/utils"
)
// BrokerStats is admin interface for broker stats management
type BrokerStats interface {
// GetMetrics returns Monitoring metrics
GetMetrics() ([]utils.Metrics, error)
// GetMBeans requests JSON string server mbean dump
GetMBeans() ([]utils.Metrics, error)
// GetTopics returns JSON string topics stats
GetTopics() (string, error)
// GetLoadReport returns load report of broker
GetLoadReport() (*utils.LocalBrokerData, error)
// GetAllocatorStats returns stats from broker
GetAllocatorStats(allocatorName string) (*utils.AllocatorStats, error)
}
type brokerStats struct {
pulsar *pulsarClient
basePath string
}
// BrokerStats is used to access the broker stats endpoints
func (c *pulsarClient) BrokerStats() BrokerStats {
return &brokerStats{
pulsar: c,
basePath: "/broker-stats",
}
}
func (bs *brokerStats) GetMetrics() ([]utils.Metrics, error) {
endpoint := bs.pulsar.endpoint(bs.basePath, "/metrics")
var response []utils.Metrics
err := bs.pulsar.Client.Get(endpoint, &response)
if err != nil {
return nil, err
}
return response, nil
}
func (bs *brokerStats) GetMBeans() ([]utils.Metrics, error) {
endpoint := bs.pulsar.endpoint(bs.basePath, "/mbeans")
var response []utils.Metrics
err := bs.pulsar.Client.Get(endpoint, &response)
if err != nil {
return nil, err
}
return response, nil
}
func (bs *brokerStats) GetTopics() (string, error) {
endpoint := bs.pulsar.endpoint(bs.basePath, "/topics")
buf, err := bs.pulsar.Client.GetWithQueryParams(endpoint, nil, nil, false)
if err != nil {
return "", err
}
return string(buf), nil
}
func (bs *brokerStats) GetLoadReport() (*utils.LocalBrokerData, error) {
endpoint := bs.pulsar.endpoint(bs.basePath, "/load-report")
response := utils.NewLocalBrokerData()
err := bs.pulsar.Client.Get(endpoint, &response)
if err != nil {
return nil, nil
}
return &response, nil
}
func (bs *brokerStats) GetAllocatorStats(allocatorName string) (*utils.AllocatorStats, error) {
endpoint := bs.pulsar.endpoint(bs.basePath, "/allocator-stats", allocatorName)
var allocatorStats utils.AllocatorStats
err := bs.pulsar.Client.Get(endpoint, &allocatorStats)
if err != nil {
return nil, err
}
return &allocatorStats, nil
}