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filter events by labels

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adding the ability to filter evens by the container labels.  this requires that container labels be added to the events data being recorded and subsequently read.

Signed-off-by: baude <bbaude@redhat.com>
This commit is contained in:
baude
2020-10-21 11:59:35 -05:00
parent 51fa8ded9f
commit c593e49701
7 changed files with 83 additions and 2 deletions
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20
libpod/events/filters.go
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@ -55,6 +55,24 @@ func generateEventFilter(filter, filterValue string) (func(e *Event) bool, error
return func(e *Event) bool {
return string(e.Type) == filterValue
}, nil
case "LABEL":
return func(e *Event) bool {
var found bool
// iterate labels and see if we match a key and value
for eventKey, eventValue := range e.Attributes {
filterValueSplit := strings.SplitN(filterValue, "=", 2)
// if the filter isn't right, just return false
if len(filterValueSplit) < 2 {
return false
}
if eventKey == filterValueSplit[0] && eventValue == filterValueSplit[1] {
found = true
break
}
}
return found
}, nil
}
return nil, errors.Errorf("%s is an invalid filter", filter)
}
@ -74,7 +92,7 @@ func generateEventUntilOption(timeUntil time.Time) func(e *Event) bool {
func parseFilter(filter string) (string, string, error) {
filterSplit := strings.SplitN(filter, "=", 2)
if len(filterSplit) == 1 {
if len(filterSplit) != 2 {
return "", "", errors.Errorf("%s is an invalid filter", filter)
}
return filterSplit[0], filterSplit[1], nil