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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
package events
import (
"context"
"time"
"github.com/pkg/errors"
)
// EventerType ...
type EventerType int
const (
// LogFile indicates the event logger will be a logfile
LogFile EventerType = iota
// Journald indicates journald should be used to log events
Journald EventerType = iota
// Null is a no-op events logger. It does not read or write events.
Null EventerType = iota
// Memory indicates the event logger will hold events in memory
Memory EventerType = iota
)
// Event describes the attributes of a libpod event
type Event struct {
// ContainerExitCode is for storing the exit code of a container which can
// be used for "internal" event notification
ContainerExitCode int `json:",omitempty"`
// ID can be for the container, image, volume, etc
ID string `json:",omitempty"`
// Image used where applicable
Image string `json:",omitempty"`
// Name where applicable
Name string `json:",omitempty"`
// Network is the network name in a network event
Network string `json:"network,omitempty"`
// Status describes the event that occurred
Status Status
// Time the event occurred
Time time.Time
// Type of event that occurred
Type Type
Details
}
// Details describes specifics about certain events, specifically around
// container events
type Details struct {
// ID is the event ID
ID string
// Attributes can be used to describe specifics about the event
// in the case of a container event, labels for example
Attributes map[string]string
}
// EventerOptions describe options that need to be passed to create
// an eventer
type EventerOptions struct {
// EventerType describes whether to use journald, file or memory
EventerType string
// LogFilePath is the path to where the log file should reside if using
// the file logger
LogFilePath string
// LogFileMaxSize is the default limit used for rotating the log file
LogFileMaxSize uint64
}
// Eventer is the interface for journald or file event logging
type Eventer interface {
// Write an event to a backend
Write(event Event) error
// Read an event from the backend
Read(ctx context.Context, options ReadOptions) error
// String returns the type of event logger
String() string
}
// ReadOptions describe the attributes needed to read event logs
type ReadOptions struct {
// EventChannel is the comm path back to user
EventChannel chan *Event
// Filters are key/value pairs that describe to limit output
Filters []string
// FromStart means you start reading from the start of the logs
FromStart bool
// Since reads "since" the given time
Since string
// Stream is follow
Stream bool
// Until reads "until" the given time
Until string
}
// Type of event that occurred (container, volume, image, pod, etc)
type Type string
// Status describes the actual event action (stop, start, create, kill)
type Status string
const (
// Container - event is related to containers
Container Type = "container"
// Image - event is related to images
Image Type = "image"
// Network - event is related to networks
Network Type = "network"
// Pod - event is related to pods
Pod Type = "pod"
// System - event is related to Podman whole and not to any specific
// container/pod/image/volume
System Type = "system"
// Volume - event is related to volumes
Volume Type = "volume"
// Machine - event is related to machine VM's
Machine Type = "machine"
// Attach ...
Attach Status = "attach"
// AutoUpdate ...
AutoUpdate Status = "auto-update"
// Build ...
Build Status = "build"
// Checkpoint ...
Checkpoint Status = "checkpoint"
// Cleanup ...
Cleanup Status = "cleanup"
// Commit ...
Commit Status = "commit"
// Copy ...
Copy Status = "copy"
// Create ...
Create Status = "create"
// Exec ...
Exec Status = "exec"
// ExecDied indicates that an exec session in a container died.
ExecDied Status = "exec_died"
// Exited indicates that a container's process died
Exited Status = "died"
// Export ...
Export Status = "export"
// History ...
History Status = "history"
// Import ...
Import Status = "import"
// Init ...
Init Status = "init"
// Kill ...
Kill Status = "kill"
// LoadFromArchive ...
LoadFromArchive Status = "loadfromarchive"
// Mount ...
Mount Status = "mount"
// NetworkConnect
NetworkConnect Status = "connect"
// NetworkDisconnect
NetworkDisconnect Status = "disconnect"
// Pause ...
Pause Status = "pause"
// Prune ...
Prune Status = "prune"
// Pull ...
Pull Status = "pull"
// Push ...
Push Status = "push"
// Refresh indicates that the system refreshed the state after a
// reboot.
Refresh Status = "refresh"
// Remove ...
Remove Status = "remove"
// Rename indicates that a container was renamed
Rename Status = "rename"
// Renumber indicates that lock numbers were reallocated at user
// request.
Renumber Status = "renumber"
// Restart indicates the target was restarted via an API call.
Restart Status = "restart"
// Restore ...
Restore Status = "restore"
// Rotate indicates that the log file was rotated
Rotate Status = "log-rotation"
// Save ...
Save Status = "save"
// Start ...
Start Status = "start"
// Stop ...
Stop Status = "stop"
// Sync ...
Sync Status = "sync"
// Tag ...
Tag Status = "tag"
// Unmount ...
Unmount Status = "unmount"
// Unpause ...
Unpause Status = "unpause"
// Untag ...
Untag Status = "untag"
)
// EventFilter for filtering events
type EventFilter func(*Event) bool
var (
// ErrEventTypeBlank indicates the event log found something done by podman
// but it isn't likely an event
ErrEventTypeBlank = errors.New("event type blank")
// ErrEventNotFound indicates that the event was not found in the event log
ErrEventNotFound = errors.New("unable to find event")
)
|
