forked from temporalio/sdk-java
-
Notifications
You must be signed in to change notification settings - Fork 0
/
OpenTracingWorkflowOutboundCallsInterceptor.java
187 lines (174 loc) · 6.73 KB
/
OpenTracingWorkflowOutboundCallsInterceptor.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
/*
* Copyright (C) 2022 Temporal Technologies, Inc. All Rights Reserved.
*
* Copyright (C) 2012-2016 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Modifications copyright (C) 2017 Uber Technologies, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this material 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 io.temporal.opentracing.internal;
import com.google.common.base.MoreObjects;
import io.opentracing.Scope;
import io.opentracing.Span;
import io.opentracing.Tracer;
import io.temporal.common.interceptors.WorkflowOutboundCallsInterceptor;
import io.temporal.common.interceptors.WorkflowOutboundCallsInterceptorBase;
import io.temporal.opentracing.OpenTracingOptions;
import io.temporal.workflow.Workflow;
import io.temporal.workflow.WorkflowInfo;
import io.temporal.workflow.unsafe.WorkflowUnsafe;
public class OpenTracingWorkflowOutboundCallsInterceptor
extends WorkflowOutboundCallsInterceptorBase {
private final SpanFactory spanFactory;
private final Tracer tracer;
private final ContextAccessor contextAccessor;
public OpenTracingWorkflowOutboundCallsInterceptor(
WorkflowOutboundCallsInterceptor next,
OpenTracingOptions options,
SpanFactory spanFactory,
ContextAccessor contextAccessor) {
super(next);
this.spanFactory = spanFactory;
this.tracer = options.getTracer();
this.contextAccessor = contextAccessor;
}
@Override
public <R> ActivityOutput<R> executeActivity(ActivityInput<R> input) {
if (!WorkflowUnsafe.isReplaying()) {
Span activityStartSpan =
contextAccessor.writeSpanContextToHeader(
() -> createActivityStartSpanBuilder(input.getActivityName()).start(),
input.getHeader(),
tracer);
try (Scope ignored = tracer.scopeManager().activate(activityStartSpan)) {
return super.executeActivity(input);
} finally {
activityStartSpan.finish();
}
} else {
return super.executeActivity(input);
}
}
@Override
public <R> LocalActivityOutput<R> executeLocalActivity(LocalActivityInput<R> input) {
if (!WorkflowUnsafe.isReplaying()) {
Span activityStartSpan =
contextAccessor.writeSpanContextToHeader(
() -> createActivityStartSpanBuilder(input.getActivityName()).start(),
input.getHeader(),
tracer);
try (Scope ignored = tracer.scopeManager().activate(activityStartSpan)) {
return super.executeLocalActivity(input);
} finally {
activityStartSpan.finish();
}
} else {
return super.executeLocalActivity(input);
}
}
@Override
public <R> ChildWorkflowOutput<R> executeChildWorkflow(ChildWorkflowInput<R> input) {
if (!WorkflowUnsafe.isReplaying()) {
Span childWorkflowStartSpan =
contextAccessor.writeSpanContextToHeader(
() -> createChildWorkflowStartSpanBuilder(input).start(), input.getHeader(), tracer);
try (Scope ignored = tracer.scopeManager().activate(childWorkflowStartSpan)) {
return super.executeChildWorkflow(input);
} finally {
childWorkflowStartSpan.finish();
}
} else {
return super.executeChildWorkflow(input);
}
}
@Override
public SignalExternalOutput signalExternalWorkflow(SignalExternalInput input) {
if (!WorkflowUnsafe.isReplaying()) {
WorkflowInfo workflowInfo = Workflow.getInfo();
Span childWorkflowStartSpan =
contextAccessor.writeSpanContextToHeader(
() ->
spanFactory
.createExternalWorkflowSignalSpan(
tracer,
input.getSignalName(),
workflowInfo.getWorkflowId(),
workflowInfo.getRunId())
.start(),
input.getHeader(),
tracer);
try (Scope ignored = tracer.scopeManager().activate(childWorkflowStartSpan)) {
return super.signalExternalWorkflow(input);
} finally {
childWorkflowStartSpan.finish();
}
} else {
return super.signalExternalWorkflow(input);
}
}
@Override
public void continueAsNew(ContinueAsNewInput input) {
if (!WorkflowUnsafe.isReplaying()) {
Span continueAsNewStartSpan =
contextAccessor.writeSpanContextToHeader(
() -> createContinueAsNewWorkflowStartSpanBuilder(input).start(),
input.getHeader(),
tracer);
try (Scope ignored = tracer.scopeManager().activate(continueAsNewStartSpan)) {
super.continueAsNew(input);
} finally {
continueAsNewStartSpan.finish();
}
} else {
super.continueAsNew(input);
}
}
@Override
public Object newChildThread(Runnable runnable, boolean detached, String name) {
Span activeSpan = tracer.scopeManager().activeSpan();
Runnable wrappedRunnable =
activeSpan != null
? () -> {
// transfer the existing active span into another thread
try (Scope ignored = tracer.scopeManager().activate(activeSpan)) {
runnable.run();
}
}
: runnable;
return super.newChildThread(wrappedRunnable, detached, name);
}
private Tracer.SpanBuilder createActivityStartSpanBuilder(String activityName) {
WorkflowInfo workflowInfo = Workflow.getInfo();
return spanFactory.createActivityStartSpan(
tracer, activityName, workflowInfo.getWorkflowId(), workflowInfo.getRunId());
}
private <R> Tracer.SpanBuilder createChildWorkflowStartSpanBuilder(ChildWorkflowInput<R> input) {
WorkflowInfo parentWorkflowInfo = Workflow.getInfo();
return spanFactory.createChildWorkflowStartSpan(
tracer,
input.getWorkflowType(),
input.getWorkflowId(),
Workflow.currentTimeMillis(),
parentWorkflowInfo.getWorkflowId(),
parentWorkflowInfo.getRunId());
}
private Tracer.SpanBuilder createContinueAsNewWorkflowStartSpanBuilder(ContinueAsNewInput input) {
WorkflowInfo continuedWorkflowInfo = Workflow.getInfo();
return spanFactory.createContinueAsNewWorkflowStartSpan(
tracer,
MoreObjects.firstNonNull(input.getWorkflowType(), continuedWorkflowInfo.getWorkflowType()),
continuedWorkflowInfo.getWorkflowId(),
continuedWorkflowInfo.getRunId());
}
}