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-rw-r--r--pkg/util/utils.go23
1 files changed, 23 insertions, 0 deletions
diff --git a/pkg/util/utils.go b/pkg/util/utils.go
index a4576191b..d7e1ddd38 100644
--- a/pkg/util/utils.go
+++ b/pkg/util/utils.go
@@ -7,6 +7,7 @@ import (
"path/filepath"
"strings"
"syscall"
+ "time"
"github.com/BurntSushi/toml"
"github.com/containers/image/types"
@@ -347,3 +348,25 @@ func StorageConfigFile() string {
}
return storage.DefaultConfigFile
}
+
+// ParseInputTime takes the users input and to determine if it is valid and
+// returns a time format and error. The input is compared to known time formats
+// or a duration which implies no-duration
+func ParseInputTime(inputTime string) (time.Time, error) {
+ timeFormats := []string{time.RFC3339Nano, time.RFC3339, "2006-01-02T15:04:05", "2006-01-02T15:04:05.999999999",
+ "2006-01-02Z07:00", "2006-01-02"}
+ // iterate the supported time formats
+ for _, tf := range timeFormats {
+ t, err := time.Parse(tf, inputTime)
+ if err == nil {
+ return t, nil
+ }
+ }
+
+ // input might be a duration
+ duration, err := time.ParseDuration(inputTime)
+ if err != nil {
+ return time.Time{}, errors.Errorf("unable to interpret time value")
+ }
+ return time.Now().Add(-duration), nil
+}