/
path.go
100 lines (89 loc) · 2.71 KB
/
path.go
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
// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2022-present Datadog, Inc.
package state
import (
"fmt"
"regexp"
"strconv"
"strings"
)
var (
// matches datadog/<int>/<string>/<string>/<string> for datadog/<org_id>/<product>/<config_id>/<file>
datadogPathRegexp = regexp.MustCompile(`^datadog/(\d+)/([^/]+)/([^/]+)/([^/]+)$`)
datadogPathRegexpGroups = 4
// matches employee/<string>/<string>/<string> for employee/<org_id>/<product>/<config_id>/<file>
employeePathRegexp = regexp.MustCompile(`^employee/([^/]+)/([^/]+)/([^/]+)$`)
employeePathRegexpGroups = 3
)
type source uint
const (
sourceUnknown source = iota
sourceDatadog
sourceEmployee
)
type configPath struct {
Source source
OrgID int64
Product string
ConfigID string
Name string
}
func parseConfigPath(path string) (configPath, error) {
configType := parseConfigPathSource(path)
switch configType {
case sourceDatadog:
return parseDatadogConfigPath(path)
case sourceEmployee:
return parseEmployeeConfigPath(path)
}
return configPath{}, fmt.Errorf("config path '%s' has unknown source", path)
}
func parseDatadogConfigPath(path string) (configPath, error) {
matchedGroups := datadogPathRegexp.FindStringSubmatch(path)
if len(matchedGroups) != datadogPathRegexpGroups+1 {
return configPath{}, fmt.Errorf("config file path '%s' has wrong format", path)
}
rawOrgID := matchedGroups[1]
orgID, err := strconv.ParseInt(rawOrgID, 10, 64)
if err != nil {
return configPath{}, fmt.Errorf("could not parse orgID '%s' in config file path: %v", rawOrgID, err)
}
rawProduct := matchedGroups[2]
if len(rawProduct) == 0 {
return configPath{}, fmt.Errorf("product is empty")
}
return configPath{
Source: sourceDatadog,
OrgID: orgID,
Product: rawProduct,
ConfigID: matchedGroups[3],
Name: matchedGroups[4],
}, nil
}
func parseEmployeeConfigPath(path string) (configPath, error) {
matchedGroups := employeePathRegexp.FindStringSubmatch(path)
if len(matchedGroups) != employeePathRegexpGroups+1 {
return configPath{}, fmt.Errorf("config file path '%s' has wrong format", path)
}
rawProduct := matchedGroups[1]
if len(rawProduct) == 0 {
return configPath{}, fmt.Errorf("product is empty")
}
return configPath{
Source: sourceEmployee,
Product: rawProduct,
ConfigID: matchedGroups[2],
Name: matchedGroups[3],
}, nil
}
func parseConfigPathSource(path string) source {
switch {
case strings.HasPrefix(path, "datadog/"):
return sourceDatadog
case strings.HasPrefix(path, "employee/"):
return sourceEmployee
}
return sourceUnknown
}