boyoung2 | 1c5f5f4 | 2018-09-27 20:29:41 +0900 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacktelemetry.impl; |
| 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
| 24 | import org.onosproject.openstacktelemetry.api.FlowInfo; |
| 25 | import org.onosproject.openstacktelemetry.api.OpenstackTelemetryService; |
| 26 | import org.onosproject.openstacktelemetry.api.PrometheusTelemetryAdminService; |
| 27 | import org.onosproject.openstacktelemetry.api.config.PrometheusTelemetryConfig; |
| 28 | import org.onosproject.openstacktelemetry.api.config.TelemetryConfig; |
| 29 | import org.slf4j.Logger; |
| 30 | import org.slf4j.LoggerFactory; |
| 31 | |
| 32 | import io.prometheus.client.Counter; |
| 33 | import io.prometheus.client.exporter.MetricsServlet; |
| 34 | import org.eclipse.jetty.server.Server; |
| 35 | import org.eclipse.jetty.servlet.ServletContextHandler; |
| 36 | import org.eclipse.jetty.servlet.ServletHolder; |
| 37 | import java.util.Set; |
| 38 | |
| 39 | /** |
| 40 | * Prometheus telemetry manager. |
| 41 | */ |
| 42 | @Component(immediate = true) |
| 43 | @Service |
| 44 | public class PrometheusTelemetryManager implements PrometheusTelemetryAdminService { |
| 45 | |
| 46 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 47 | |
| 48 | private Server prometheusExporter; |
| 49 | |
| 50 | private static final String BYTE_VM2VM = "byte_vm2vm"; |
| 51 | private static final String BYTE_DEVICE = "byte_device"; |
| 52 | private static final String BYTE_SRC_IP = "byte_src_ip"; |
| 53 | private static final String BYTE_DST_IP = "byte_dst_ip"; |
| 54 | |
| 55 | private static final String PKT_VM2VM = "pkt_vm2vm"; |
| 56 | private static final String PKT_DEVICE = "pkt_device"; |
| 57 | private static final String PKT_SRC_IP = "pkt_src_ip"; |
| 58 | private static final String PKT_DST_IP = "pkt_dst_ip"; |
| 59 | |
| 60 | private static final String PKT_ERROR = "pkt_error"; |
| 61 | private static final String PKT_DROP = "pkt_drop"; |
| 62 | |
| 63 | private static final String LABEL_IP_5_TUPLE = "IP_5_TUPLE"; |
| 64 | private static final String LABEL_DEV_ID = "DEVICE_ID"; |
| 65 | private static final String LABEL_SRC_IP = "SOURCE_IP"; |
| 66 | private static final String LABEL_DST_IP = "DESTINATION_IP"; |
| 67 | |
| 68 | private static final String HELP_MSG = "SONA Flow statistics"; |
| 69 | |
| 70 | private static Counter byteVM2VM = Counter.build().name(BYTE_VM2VM) |
| 71 | .help(HELP_MSG) |
| 72 | .labelNames(LABEL_IP_5_TUPLE).register(); |
| 73 | |
| 74 | private static Counter byteDevice = Counter.build().name(BYTE_DEVICE) |
| 75 | .help(HELP_MSG) |
| 76 | .labelNames(LABEL_DEV_ID).register(); |
| 77 | |
| 78 | private static Counter byteSrcIp = Counter.build().name(BYTE_SRC_IP) |
| 79 | .help(HELP_MSG) |
| 80 | .labelNames(LABEL_SRC_IP).register(); |
| 81 | |
| 82 | private static Counter byteDstIp = Counter.build().name(BYTE_DST_IP) |
| 83 | .help(HELP_MSG) |
| 84 | .labelNames(LABEL_DST_IP).register(); |
| 85 | |
| 86 | private static Counter pktVM2VM = Counter.build().name(PKT_VM2VM) |
| 87 | .help(HELP_MSG) |
| 88 | .labelNames(LABEL_IP_5_TUPLE).register(); |
| 89 | |
| 90 | private static Counter pktDevice = Counter.build().name(PKT_DEVICE) |
| 91 | .help(HELP_MSG) |
| 92 | .labelNames(LABEL_DEV_ID).register(); |
| 93 | |
| 94 | private static Counter pktSrcIp = Counter.build().name(PKT_SRC_IP) |
| 95 | .help(HELP_MSG) |
| 96 | .labelNames(LABEL_SRC_IP).register(); |
| 97 | |
| 98 | private static Counter pktDstIp = Counter.build().name(PKT_DST_IP) |
| 99 | .help(HELP_MSG) |
| 100 | .labelNames(LABEL_DST_IP).register(); |
| 101 | |
| 102 | private static Counter pktError = Counter.build().name(PKT_ERROR) |
| 103 | .help(HELP_MSG) |
| 104 | .register(); |
| 105 | private static Counter pktDrop = Counter.build().name(PKT_DROP) |
| 106 | .help(HELP_MSG) |
| 107 | .register(); |
| 108 | |
| 109 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 110 | protected OpenstackTelemetryService openstackTelemetryService; |
| 111 | |
| 112 | @Activate |
| 113 | protected void activate() { |
| 114 | openstackTelemetryService.addTelemetryService(this); |
| 115 | log.info("Started"); |
| 116 | } |
| 117 | |
| 118 | @Deactivate |
| 119 | protected void deactivate() { |
| 120 | stop(); |
| 121 | openstackTelemetryService.removeTelemetryService(this); |
| 122 | log.info("Stopped"); |
| 123 | } |
| 124 | |
| 125 | @Override |
| 126 | public void start(TelemetryConfig config) { |
| 127 | log.info("Prometheus exporter starts."); |
| 128 | |
| 129 | PrometheusTelemetryConfig prometheusConfig = (PrometheusTelemetryConfig) config; |
| 130 | |
| 131 | try { |
| 132 | // TODO Offer a 'Authentication' |
| 133 | prometheusExporter = new Server(prometheusConfig.port()); |
| 134 | ServletContextHandler context = new ServletContextHandler(); |
| 135 | context.setContextPath("/"); |
| 136 | prometheusExporter.setHandler(context); |
| 137 | context.addServlet(new ServletHolder(new MetricsServlet()), "/metrics"); |
| 138 | |
| 139 | log.info("Prometeus server start"); |
| 140 | |
| 141 | prometheusExporter.start(); |
| 142 | } catch (Exception ex) { |
| 143 | log.warn("Exception: {}", ex.toString()); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | @Override |
| 148 | public void stop() { |
| 149 | try { |
| 150 | prometheusExporter.stop(); |
| 151 | } catch (Exception ex) { |
| 152 | log.warn("Exception: {}", ex.toString()); |
| 153 | } |
| 154 | log.info("Prometheus exporter has stopped"); |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public void restart(TelemetryConfig config) { |
| 159 | stop(); |
| 160 | start(config); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public void publish(Set<FlowInfo> flowInfos) { |
| 165 | if (flowInfos.size() == 0) { |
| 166 | log.debug("No record to publish"); |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | long flowByte; |
| 171 | int flowPkt; |
| 172 | for (FlowInfo flowInfo: flowInfos) { |
| 173 | flowByte = flowInfo.statsInfo().currAccBytes() - flowInfo.statsInfo().prevAccBytes(); |
| 174 | flowPkt = flowInfo.statsInfo().currAccPkts() - flowInfo.statsInfo().prevAccPkts(); |
| 175 | |
| 176 | byteVM2VM.labels(flowInfo.uniqueFlowInfoKey()).inc(flowByte); |
| 177 | byteDevice.labels(flowInfo.deviceId().toString()).inc(flowByte); |
| 178 | byteSrcIp.labels(flowInfo.srcIp().toString()).inc(flowByte); |
| 179 | byteDstIp.labels(flowInfo.dstIp().toString()).inc(flowByte); |
| 180 | |
| 181 | pktVM2VM.labels(flowInfo.uniqueFlowInfoKey()).inc(flowPkt); |
| 182 | pktDevice.labels(flowInfo.deviceId().toString()).inc(flowPkt); |
| 183 | pktSrcIp.labels(flowInfo.srcIp().toString()).inc(flowPkt); |
| 184 | pktDstIp.labels(flowInfo.dstIp().toString()).inc(flowPkt); |
| 185 | |
| 186 | pktError.inc(flowInfo.statsInfo().errorPkts()); |
| 187 | pktDrop.inc(flowInfo.statsInfo().dropPkts()); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | @Override |
| 192 | public boolean isRunning() { |
| 193 | log.info("Prometheus Exporter State: {}", prometheusExporter.isRunning()); |
| 194 | return prometheusExporter.isRunning(); |
| 195 | } |
| 196 | } |