forked from gliderlabs/logspout
/
types.go
141 lines (120 loc) · 3.06 KB
/
types.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
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
//go:generate go-extpoints . AdapterFactory HttpHandler AdapterTransport LogRouter Job
package router
import (
"net"
"net/http"
"path"
"strings"
"time"
"github.com/fsouza/go-dockerclient"
)
// Extension type for adding HTTP endpoints
type HttpHandler func() http.Handler
// Extension type for adding new log adapters
type AdapterFactory func(route *Route) (LogAdapter, error)
// Extension type for connection transports used by adapters
type AdapterTransport interface {
Dial(addr string, options map[string]string) (net.Conn, error)
}
// LogAdapters are streamed logs
type LogAdapter interface {
Stream(logstream chan *Message)
}
type Job interface {
Run() error
Setup() error
Name() string
}
// LogRouters send logs to LogAdapters via Routes
type LogRouter interface {
RoutingFrom(containerID string) bool
Route(route *Route, logstream chan *Message)
}
// RouteStores are collections of Routes
type RouteStore interface {
Get(id string) (*Route, error)
GetAll() ([]*Route, error)
Add(route *Route) error
Remove(id string) bool
}
// Messages are log messages
type Message struct {
Container *docker.Container
Source string
Data string
Time time.Time
}
// Routes represent what subset of logs should go where
type Route struct {
ID string `json:"id"`
FilterID string `json:"filter_id,omitempty"`
FilterName string `json:"filter_name,omitempty"`
FilterSources []string `json:"filter_sources,omitempty"`
Adapter string `json:"adapter"`
Address string `json:"address"`
Options map[string]string `json:"options,omitempty"`
adapter LogAdapter
closer chan bool
closerRcv <-chan bool // used instead of closer when set
}
func (r *Route) AdapterType() string {
return strings.Split(r.Adapter, "+")[0]
}
func (r *Route) AdapterTransport(dfault string) string {
parts := strings.Split(r.Adapter, "+")
if len(parts) > 1 {
return parts[1]
}
return dfault
}
func (r *Route) Closer() <-chan bool {
if r.closerRcv != nil {
return r.closerRcv
}
return r.closer
}
func (r *Route) OverrideCloser(closer <-chan bool) {
r.closerRcv = closer
}
func (r *Route) Close() {
r.closer <- true
}
func (r *Route) matchAll() bool {
if r.FilterID == "" && r.FilterName == "" && len(r.FilterSources) == 0 {
return true
}
return false
}
func (r *Route) MultiContainer() bool {
return r.matchAll() || strings.Contains(r.FilterName, "*")
}
func (r *Route) MatchContainer(id, name string) bool {
if r.matchAll() {
return true
}
if r.FilterID != "" && !strings.HasPrefix(id, r.FilterID) {
return false
}
match, err := path.Match(r.FilterName, name)
if err != nil || (r.FilterName != "" && !match) {
return false
}
return true
}
func (r *Route) MatchMessage(message *Message) bool {
if r.matchAll() {
return true
}
if len(r.FilterSources) > 0 && !contains(r.FilterSources, message.Source) {
return false
}
return true
}
func contains(strs []string, str string) bool {
for _, s := range strs {
if s == str {
return true
}
}
return false
}