77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
![]() |
package eventstestutils
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"regexp"
|
||
|
"strings"
|
||
|
"time"
|
||
|
|
||
|
"github.com/docker/engine-api/types/events"
|
||
|
timetypes "github.com/docker/engine-api/types/time"
|
||
|
)
|
||
|
|
||
|
var (
|
||
|
reTimestamp = `(?P<timestamp>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{9}(:?(:?(:?-|\+)\d{2}:\d{2})|Z))`
|
||
|
reEventType = `(?P<eventType>\w+)`
|
||
|
reAction = `(?P<action>\w+)`
|
||
|
reID = `(?P<id>[^\s]+)`
|
||
|
reAttributes = `(\s\((?P<attributes>[^\)]+)\))?`
|
||
|
reString = fmt.Sprintf(`\A%s\s%s\s%s\s%s%s\z`, reTimestamp, reEventType, reAction, reID, reAttributes)
|
||
|
|
||
|
// eventCliRegexp is a regular expression that matches all possible event outputs in the cli
|
||
|
eventCliRegexp = regexp.MustCompile(reString)
|
||
|
)
|
||
|
|
||
|
// ScanMap turns an event string like the default ones formatted in the cli output
|
||
|
// and turns it into map.
|
||
|
func ScanMap(text string) map[string]string {
|
||
|
matches := eventCliRegexp.FindAllStringSubmatch(text, -1)
|
||
|
md := map[string]string{}
|
||
|
if len(matches) == 0 {
|
||
|
return md
|
||
|
}
|
||
|
|
||
|
names := eventCliRegexp.SubexpNames()
|
||
|
for i, n := range matches[0] {
|
||
|
md[names[i]] = n
|
||
|
}
|
||
|
return md
|
||
|
}
|
||
|
|
||
|
// Scan turns an event string like the default ones formatted in the cli output
|
||
|
// and turns it into an event message.
|
||
|
func Scan(text string) (*events.Message, error) {
|
||
|
md := ScanMap(text)
|
||
|
if len(md) == 0 {
|
||
|
return nil, fmt.Errorf("text is not an event: %s", text)
|
||
|
}
|
||
|
|
||
|
f, err := timetypes.GetTimestamp(md["timestamp"], time.Now())
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
t, tn, err := timetypes.ParseTimestamps(f, -1)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
attrs := make(map[string]string)
|
||
|
for _, a := range strings.SplitN(md["attributes"], ", ", -1) {
|
||
|
kv := strings.SplitN(a, "=", 2)
|
||
|
attrs[kv[0]] = kv[1]
|
||
|
}
|
||
|
|
||
|
tu := time.Unix(t, tn)
|
||
|
return &events.Message{
|
||
|
Time: t,
|
||
|
TimeNano: tu.UnixNano(),
|
||
|
Type: md["eventType"],
|
||
|
Action: md["action"],
|
||
|
Actor: events.Actor{
|
||
|
ID: md["id"],
|
||
|
Attributes: attrs,
|
||
|
},
|
||
|
}, nil
|
||
|
}
|