cert-manager/pkg/controller/clusterissuers/sync.go
2018-06-26 14:59:48 +01:00

72 lines
2.0 KiB
Go

package clusterissuers
import (
"context"
"fmt"
"reflect"
"github.com/golang/glog"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/util/errors"
"github.com/jetstack/cert-manager/pkg/apis/certmanager/v1alpha1"
"github.com/jetstack/cert-manager/pkg/apis/certmanager/validation"
)
const (
errorInitIssuer = "ErrInitIssuer"
errorConfig = "ConfigError"
messageErrorInitIssuer = "Error initializing issuer: "
)
func (c *Controller) Sync(ctx context.Context, iss *v1alpha1.ClusterIssuer) (err error) {
issuerCopy := iss.DeepCopy()
defer func() {
if _, saveErr := c.updateIssuerStatus(iss, issuerCopy); saveErr != nil {
err = errors.NewAggregate([]error{saveErr, err})
}
}()
el := validation.ValidateClusterIssuer(issuerCopy)
if len(el) > 0 {
msg := fmt.Sprintf("Resource validation failed: %v", el.ToAggregate())
issuerCopy.UpdateStatusCondition(v1alpha1.IssuerConditionReady, v1alpha1.ConditionFalse, errorConfig, msg)
return
} else {
for i, c := range issuerCopy.Status.Conditions {
if c.Type == v1alpha1.IssuerConditionReady {
if c.Reason == errorConfig && c.Status == v1alpha1.ConditionFalse {
issuerCopy.Status.Conditions = append(issuerCopy.Status.Conditions[:i], issuerCopy.Status.Conditions[i+1:]...)
break
}
}
}
}
i, err := c.issuerFactory.IssuerFor(issuerCopy)
if err != nil {
return err
}
err = i.Setup(ctx)
if err != nil {
s := messageErrorInitIssuer + err.Error()
glog.Info(s)
c.recorder.Event(issuerCopy, v1.EventTypeWarning, errorInitIssuer, s)
return err
}
return nil
}
func (c *Controller) updateIssuerStatus(old, new *v1alpha1.ClusterIssuer) (*v1alpha1.ClusterIssuer, error) {
if reflect.DeepEqual(old.Status, new.Status) {
return nil, nil
}
// TODO: replace Update call with UpdateStatus. This requires a custom API
// server with the /status subresource enabled and/or subresource support
// for CRDs (https://github.com/kubernetes/kubernetes/issues/38113)
return c.cmClient.CertmanagerV1alpha1().ClusterIssuers().Update(new)
}