/
events.go
52 lines (44 loc) · 1.34 KB
/
events.go
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package forgelib
import (
"sort"
"time"
"github.com/aws/aws-sdk-go/service/cloudformation"
)
type byTime []*cloudformation.StackEvent
func (t byTime) Len() int { return len(t) }
func (t byTime) Less(i, j int) bool { return t[i].Timestamp.UnixNano() < t[j].Timestamp.UnixNano() }
func (t byTime) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
// ListEvents will get all events for a stack and sort them in chronological order
// within a time range
func (s *Stack) ListEvents(after *time.Time) (events []*cloudformation.StackEvent, err error) {
if s.StackID == "" {
return events, errorNoStackID
}
err = cfnClient.DescribeStackEventsPages(
&cloudformation.DescribeStackEventsInput{
StackName: &s.StackID,
}, func(page *cloudformation.DescribeStackEventsOutput, lastPage bool) bool {
for _, e := range page.StackEvents {
if e.Timestamp.UnixNano() > after.UnixNano() {
events = append(events, e)
}
}
// Continue reading all pages
return true
},
)
if err != nil {
return events, err
}
sort.Sort(byTime(events))
return
}
// GetLastEventTime will get the time of the last event for the stack
func (s *Stack) GetLastEventTime() (*time.Time, error) {
epoch := time.Unix(0, 0)
events, err := s.ListEvents(&epoch)
if err != nil {
return new(time.Time), err
}
return events[len(events)-1].Timestamp, err
}