510a21581a978fb9745c4687fe86a2309fc7ecf8
[ccsdk/cds.git] /
1 /*
2  * Copyright © 2018-2019 AT&T Intellectual Property.
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
17 package org.onap.ccsdk.cds.blueprintsprocessor.grpc.service
18
19 import io.grpc.Grpc
20 import io.grpc.Metadata
21 import io.grpc.ServerCall
22 import io.grpc.ServerCallHandler
23 import org.onap.ccsdk.cds.blueprintsprocessor.grpc.getStringKey
24 import org.onap.ccsdk.cds.blueprintsprocessor.grpc.putStringKeyValue
25 import org.onap.ccsdk.cds.controllerblueprints.common.api.CommonHeader
26 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants.ONAP_INVOCATION_ID
27 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants.ONAP_PARTNER_NAME
28 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants.ONAP_REQUEST_ID
29 import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintProcessorException
30 import org.onap.ccsdk.cds.controllerblueprints.core.defaultToEmpty
31 import org.onap.ccsdk.cds.controllerblueprints.core.defaultToUUID
32 import org.onap.ccsdk.cds.controllerblueprints.core.logger
33 import org.slf4j.MDC
34 import java.net.InetAddress
35 import java.net.InetSocketAddress
36 import java.time.ZoneOffset
37 import java.time.ZonedDateTime
38 import java.time.format.DateTimeFormatter
39 import java.util.UUID
40
41 class GrpcLoggerService {
42
43     private val log = logger(GrpcLoggerService::class)
44
45     /** Used when server receives request */
46     fun <ReqT : Any, RespT : Any> grpcRequesting(
47         call: ServerCall<ReqT, RespT>,
48         headers: Metadata,
49         next: ServerCallHandler<ReqT, RespT>
50     ) {
51         val requestID = headers.getStringKey(ONAP_REQUEST_ID).defaultToUUID()
52         val invocationID = headers.getStringKey(ONAP_INVOCATION_ID).defaultToUUID()
53         val partnerName = headers.getStringKey(ONAP_PARTNER_NAME) ?: "UNKNOWN"
54         grpcRequesting(requestID, invocationID, partnerName, call)
55     }
56
57     fun <ReqT : Any, RespT : Any> grpcRequesting(
58         call: ServerCall<ReqT, RespT>,
59         headers: CommonHeader,
60         next: ServerCallHandler<ReqT, RespT>
61     ) {
62         val requestID = headers.requestId.defaultToUUID()
63         val invocationID = headers.subRequestId.defaultToUUID()
64         val partnerName = headers.originatorId ?: "UNKNOWN"
65         grpcRequesting(requestID, invocationID, partnerName, call)
66     }
67
68     fun <ReqT : Any, RespT : Any> grpcRequesting(
69         requestID: String,
70         invocationID: String,
71         partnerName: String,
72         call: ServerCall<ReqT, RespT>
73     ) {
74         val localhost = InetAddress.getLocalHost()
75
76         val clientSocketAddress = call.attributes.get(Grpc.TRANSPORT_ATTR_REMOTE_ADDR) as? InetSocketAddress
77             ?: throw BluePrintProcessorException("failed to get client address")
78         val serviceName = call.methodDescriptor.fullMethodName
79
80         MDC.put("InvokeTimestamp", ZonedDateTime.now(ZoneOffset.UTC).format(DateTimeFormatter.ISO_INSTANT))
81         MDC.put("RequestID", requestID)
82         MDC.put("InvocationID", invocationID)
83         MDC.put("PartnerName", partnerName)
84         MDC.put("ClientIPAddress", clientSocketAddress.address.defaultToEmpty())
85         MDC.put("ServerFQDN", localhost.hostName.defaultToEmpty())
86         MDC.put("ServiceName", serviceName)
87         log.trace("MDC Properties : ${MDC.getCopyOfContextMap()}")
88     }
89
90     /** Used before invoking any GRPC outbound request, Inbound Invocation ID is used as request Id
91      * for outbound Request, If invocation Id is missing then default Request Id will be generated.
92      */
93     fun grpcInvoking(requestHeader: Metadata) {
94         requestHeader.putStringKeyValue(ONAP_REQUEST_ID, MDC.get("InvocationID").defaultToUUID())
95         requestHeader.putStringKeyValue(ONAP_INVOCATION_ID, UUID.randomUUID().toString())
96         val partnerName = System.getProperty("APPNAME") ?: "BlueprintsProcessor"
97         requestHeader.putStringKeyValue(ONAP_PARTNER_NAME, partnerName)
98     }
99
100     /** Used when server returns response */
101     fun grpResponding(requestHeaders: Metadata, responseHeaders: Metadata) {
102         try {
103             responseHeaders.putStringKeyValue(ONAP_REQUEST_ID, MDC.get("RequestID").defaultToEmpty())
104             responseHeaders.putStringKeyValue(ONAP_INVOCATION_ID, MDC.get("InvocationID").defaultToEmpty())
105             responseHeaders.putStringKeyValue(ONAP_PARTNER_NAME, MDC.get("PartnerName").defaultToEmpty())
106         } catch (e: Exception) {
107             log.warn("couldn't set grpc response headers", e)
108         }
109     }
110 }