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add --concurrent-cron-job-syncs flag

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This commit is contained in:
Li Bo 2023-04-24 18:28:14 +08:00
parent 08755fe249
commit f9bab9a60b
2 changed files with 22 additions and 3 deletions
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8
cmd/kube-controller-manager/app/options/cronjobcontroller.go
View File

@ -17,6 +17,8 @@ limitations under the License.
package options
import (
"fmt"
"github.com/spf13/pflag"
cronjobconfig "k8s.io/kubernetes/pkg/controller/cronjob/config"
@ -32,6 +34,8 @@ func (o *CronJobControllerOptions) AddFlags(fs *pflag.FlagSet) {
if o == nil {
return
}
fs.Int32Var(&o.ConcurrentCronJobSyncs, "concurrent-cron-job-syncs", o.ConcurrentCronJobSyncs, "The number of cron job objects that are allowed to sync concurrently. Larger number = more responsive jobs, but more CPU (and network) load")
}
// ApplyTo fills up JobController config with options.
@ -52,5 +56,9 @@ func (o *CronJobControllerOptions) Validate() []error {
}
errs := []error{}
if o.ConcurrentCronJobSyncs < 1 {
errs = append(errs, fmt.Errorf("concurrent-cron-job-syncs must be greater than 0, but got %d", o.ConcurrentCronJobSyncs))
}
return errs
}

17
cmd/kube-controller-manager/app/options/options_test.go
View File

@ -95,6 +95,7 @@ var args = []string{
"--concurrent-gc-syncs=30",
"--concurrent-namespace-syncs=20",
"--concurrent-job-syncs=10",
"--concurrent-cron-job-syncs=10",
"--concurrent-replicaset-syncs=10",
"--concurrent-resource-quota-syncs=10",
"--concurrent-service-syncs=2",
@ -325,7 +326,7 @@ func TestAddFlags(t *testing.T) {
},
CronJobController: &CronJobControllerOptions{
&cronjobconfig.CronJobControllerConfiguration{
ConcurrentCronJobSyncs: 5,
ConcurrentCronJobSyncs: 10,
},
},
NamespaceController: &NamespaceControllerOptions{
@ -574,7 +575,7 @@ func TestApplyTo(t *testing.T) {
ConcurrentJobSyncs: 10,
},
CronJobController: cronjobconfig.CronJobControllerConfiguration{
ConcurrentCronJobSyncs: 5,
ConcurrentCronJobSyncs: 10,
},
NamespaceController: namespaceconfig.NamespaceControllerConfiguration{
NamespaceSyncPeriod: metav1.Duration{Duration: 10 * time.Minute},
@ -1087,13 +1088,23 @@ func TestValidateControllersOptions(t *testing.T) {
},
}).Validate,
},
{
name: "CronJobControllerOptions ConcurrentCronJobSyncs equal 0",
expectErrors: true,
expectedErrorSubString: "concurrent-cron-job-syncs must be greater than 0",
validate: (&CronJobControllerOptions{
&cronjobconfig.CronJobControllerConfiguration{
ConcurrentCronJobSyncs: 0,
},
}).Validate,
},
/* empty errs */
{
name: "CronJobControllerOptions",
expectErrors: false,
validate: (&CronJobControllerOptions{
&cronjobconfig.CronJobControllerConfiguration{
ConcurrentCronJobSyncs: 5,
ConcurrentCronJobSyncs: 10,
},
}).Validate,
},