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
|
/**
* Copyright (C) 2021-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <functional>
#include "mongo/db/process_health/fault_facet_mock.h"
#include "mongo/db/process_health/health_observer_base.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kTest
namespace mongo {
namespace process_health {
/**
* Mocked health observer has two modes of operation (depending on constructor called):
* 1. Passing a callback that runs on an executor and returns a severity
* 2. Passing an implementation of periodicCheckImpl
*
* See unit test HealthCheckThrowingExceptionMakesFailedStatus for an example of the second mode.
*/
class HealthObserverMock : public HealthObserverBase {
public:
HealthObserverMock(FaultFacetType mockType,
ServiceContext* svcCtx,
std::function<Severity()> getSeverityCallback,
Milliseconds observerTimeout)
: HealthObserverBase(svcCtx),
_mockType(mockType),
_getSeverityCallback(getSeverityCallback),
_observerTimeout(observerTimeout) {}
HealthObserverMock(
FaultFacetType mockType,
ServiceContext* svcCtx,
std::function<Future<HealthCheckStatus>(PeriodicHealthCheckContext&&)> periodicCheckImpl,
Milliseconds observerTimeout)
: HealthObserverBase(svcCtx),
_mockType(mockType),
_periodicCheckImpl(periodicCheckImpl),
_observerTimeout(observerTimeout) {}
virtual ~HealthObserverMock() = default;
bool isConfigured() const override {
return true;
}
protected:
FaultFacetType getType() const override {
return _mockType;
}
Milliseconds getObserverTimeout() const override {
return _observerTimeout;
}
Future<HealthCheckStatus> periodicCheckImpl(
PeriodicHealthCheckContext&& periodicCheckContext) override {
if (_periodicCheckImpl.has_value()) {
return (*_periodicCheckImpl)(std::move(periodicCheckContext));
}
auto completionPf = makePromiseFuture<HealthCheckStatus>();
auto cbHandle = periodicCheckContext.taskExecutor->scheduleWork(
[this, promise = std::move(completionPf.promise)](
const executor::TaskExecutor::CallbackArgs& cbArgs) mutable {
try {
auto severity = _getSeverityCallback();
if (HealthCheckStatus::isResolved(severity)) {
LOGV2(5936603, "Mock health observer returns a resolved severity");
promise.emplaceValue(HealthCheckStatus(getType()));
} else {
LOGV2(5936604,
"Mock health observer returns a fault severity",
"severity"_attr = severity);
promise.emplaceValue(HealthCheckStatus(getType(), severity, "failed"));
}
} catch (const DBException& e) {
promise.setError(e.toStatus());
}
});
return std::move(completionPf.future);
}
private:
const FaultFacetType _mockType;
std::function<Severity()> _getSeverityCallback;
boost::optional<std::function<Future<HealthCheckStatus>(PeriodicHealthCheckContext&&)>>
_periodicCheckImpl;
const Milliseconds _observerTimeout;
};
} // namespace process_health
} // namespace mongo
#undef MONGO_LOGV2_DEFAULT_COMPONENT
|