/
utils.ts
97 lines (89 loc) · 2.59 KB
/
utils.ts
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
/*
* Copyright The OpenTelemetry Authors
*
* Licensed 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
*
* https://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.
*/
import { SpanStatusCode, SpanStatus } from '@opentelemetry/api';
import type * as grpcTypes from 'grpc';
import type * as grpcJsTypes from '@grpc/grpc-js';
import { IgnoreMatcher } from './types';
// Equivalent to lodash _.findIndex
export const findIndex: <T>(args: T[], fn: (arg: T) => boolean) => number = (
args,
fn: Function
) => {
let index = -1;
for (const arg of args) {
index++;
if (fn(arg)) {
return index;
}
}
return -1;
};
/**
* Convert a grpc status code to an opentelemetry SpanStatus code.
* @param status
*/
export const _grpcStatusCodeToOpenTelemetryStatusCode = (
status?: grpcTypes.status | grpcJsTypes.status
): SpanStatusCode => {
if (status !== undefined && status === 0) {
return SpanStatusCode.UNSET;
}
return SpanStatusCode.ERROR;
};
export const _grpcStatusCodeToSpanStatus = (status: number): SpanStatus => {
return { code: _grpcStatusCodeToOpenTelemetryStatusCode(status) };
};
/**
* Returns true if methodName matches pattern
* @param methodName the name of the method
* @param pattern Match pattern
*/
const _satisfiesPattern = (
methodName: string,
pattern: IgnoreMatcher
): boolean => {
if (typeof pattern === 'string') {
return pattern.toLowerCase() === methodName.toLowerCase();
} else if (pattern instanceof RegExp) {
return pattern.test(methodName);
} else if (typeof pattern === 'function') {
return pattern(methodName);
} else {
return false;
}
};
/**
* Returns true if the current plugin configuration
* ignores the given method.
* @param methodName the name of the method
* @param ignoredMethods a list of matching patterns
* @param onException an error handler for matching exceptions
*/
export const _methodIsIgnored = (
methodName: string,
ignoredMethods?: IgnoreMatcher[]
): boolean => {
if (!ignoredMethods) {
// No ignored gRPC methods
return false;
}
for (const pattern of ignoredMethods) {
if (_satisfiesPattern(methodName, pattern)) {
return true;
}
}
return false;
};