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TimeZone support for CronJobs

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This commit is contained in:
Ross Peoples
2022-03-21 11:27:10 -05:00
parent f25c0e5f09
commit 98837de446
9 changed files with 352 additions and 13 deletions
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34
pkg/apis/batch/validation/validation.go
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@@ -18,6 +18,8 @@ package validation
import (
"fmt"
"strings"
"time"
"github.com/robfig/cron/v3"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -308,11 +310,14 @@ func ValidateCronJobSpec(spec *batch.CronJobSpec, fldPath *field.Path, opts apiv
if len(spec.Schedule) == 0 {
allErrs = append(allErrs, field.Required(fldPath.Child("schedule"), ""))
} else {
allErrs = append(allErrs, validateScheduleFormat(spec.Schedule, fldPath.Child("schedule"))...)
allErrs = append(allErrs, validateScheduleFormat(spec.Schedule, spec.TimeZone, fldPath.Child("schedule"))...)
}
if spec.StartingDeadlineSeconds != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeField(int64(*spec.StartingDeadlineSeconds), fldPath.Child("startingDeadlineSeconds"))...)
}
allErrs = append(allErrs, validateTimeZone(spec.TimeZone, fldPath.Child("timeZone"))...)
allErrs = append(allErrs, validateConcurrencyPolicy(&spec.ConcurrencyPolicy, fldPath.Child("concurrencyPolicy"))...)
allErrs = append(allErrs, ValidateJobTemplateSpec(&spec.JobTemplate, fldPath.Child("jobTemplate"), opts)...)
@@ -343,11 +348,36 @@ func validateConcurrencyPolicy(concurrencyPolicy *batch.ConcurrencyPolicy, fldPa
return allErrs
}
func validateScheduleFormat(schedule string, fldPath *field.Path) field.ErrorList {
func validateScheduleFormat(schedule string, timeZone *string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if _, err := cron.ParseStandard(schedule); err != nil {
allErrs = append(allErrs, field.Invalid(fldPath, schedule, err.Error()))
}
if strings.Contains(schedule, "TZ") && timeZone != nil {
allErrs = append(allErrs, field.Invalid(fldPath, schedule, "cannot use both timeZone field and TZ or CRON_TZ in schedule"))
}
return allErrs
}
func validateTimeZone(timeZone *string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
if timeZone == nil {
return allErrs
}
if len(*timeZone) == 0 {
allErrs = append(allErrs, field.Invalid(fldPath, timeZone, "timeZone must be nil or non-empty string"))
return allErrs
}
if strings.EqualFold(*timeZone, "Local") {
allErrs = append(allErrs, field.Invalid(fldPath, timeZone, "timeZone must be an explicit time zone as defined in https://www.iana.org/time-zones"))
}
if _, err := time.LoadLocation(*timeZone); err != nil {
allErrs = append(allErrs, field.Invalid(fldPath, timeZone, err.Error()))
}
return allErrs
}