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guarantee the promotion can be rolled back safely
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Signed-off-by: wulemao <[email protected]>
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wulemao committed Sep 25, 2024
1 parent 5f7fc4f commit 8bc6446
Showing 1 changed file with 17 additions and 10 deletions.
27 changes: 17 additions & 10 deletions pkg/karmadactl/promote/promote.go
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ import (
"k8s.io/klog/v2"
cmdutil "k8s.io/kubectl/pkg/cmd/util"
"k8s.io/kubectl/pkg/util/templates"
"k8s.io/utils/ptr"

configv1alpha1 "github.com/karmada-io/karmada/pkg/apis/config/v1alpha1"
policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
Expand Down Expand Up @@ -553,12 +554,14 @@ func (o *CommandPromoteOption) promote(controlPlaneRestConfig *rest.Config, obj
if err != nil {
return fmt.Errorf("failed to create resource %q(%s) in control plane: %v", gvr, o.name, err)
}
fmt.Printf("ResourceTemplate (%s/%s) is created successfully\n", o.Namespace, o.name)

if o.AutoCreatePolicy {
err = o.createClusterPropagationPolicy(karmadaClient, gvr, isDep)
policyName, err := o.createClusterPropagationPolicy(karmadaClient, gvr, isDep)
if err != nil {
return err
}
fmt.Printf("ClusterPropagationPolicy %s is created successfully\n", policyName)
}

fmt.Printf("Resource %q(%s) is promoted successfully\n", gvr, o.name)
Expand All @@ -578,12 +581,14 @@ func (o *CommandPromoteOption) promote(controlPlaneRestConfig *rest.Config, obj
if err != nil {
return fmt.Errorf("failed to create resource %q(%s/%s) in control plane: %v", gvr, o.Namespace, o.name, err)
}
fmt.Printf("ResourceTemplate (%s/%s) is created successfully\n", o.Namespace, o.name)

if o.AutoCreatePolicy {
err = o.createPropagationPolicy(karmadaClient, gvr, isDep)
policyName, err := o.createPropagationPolicy(karmadaClient, gvr, isDep)
if err != nil {
return err
}
fmt.Printf("PropagationPolicy (%s/%s) is created successfully\n", o.Namespace, policyName)
}

fmt.Printf("Resource %q(%s/%s) is promoted successfully\n", gvr, o.Namespace, o.name)
Expand Down Expand Up @@ -658,7 +663,7 @@ func (o *CommandPromoteOption) printObjectAndPolicy(obj *unstructured.Unstructur
}

// createPropagationPolicy create PropagationPolicy in karmada control plane
func (o *CommandPromoteOption) createPropagationPolicy(karmadaClient *karmadaclientset.Clientset, gvr schema.GroupVersionResource, isDep bool) error {
func (o *CommandPromoteOption) createPropagationPolicy(karmadaClient *karmadaclientset.Clientset, gvr schema.GroupVersionResource, isDep bool) (string, error) {
var policyName string
if o.PolicyName == "" {
policyName = names.GeneratePolicyName(o.Namespace, o.name, o.gvk.String())
Expand All @@ -671,18 +676,18 @@ func (o *CommandPromoteOption) createPropagationPolicy(karmadaClient *karmadacli
pp := buildPropagationPolicy(o.name, policyName, o.Namespace, o.Cluster, gvr, o.gvk, isDep)
_, err = karmadaClient.PolicyV1alpha1().PropagationPolicies(o.Namespace).Create(context.TODO(), pp, metav1.CreateOptions{})

return err
return policyName, err
}
if err != nil {
return fmt.Errorf("failed to get PropagationPolicy(%s/%s) in control plane: %v", o.Namespace, policyName, err)
return policyName, fmt.Errorf("failed to get PropagationPolicy(%s/%s) in control plane: %v", o.Namespace, policyName, err)
}

// PropagationPolicy already exists, not to create it
return fmt.Errorf("the PropagationPolicy(%s/%s) already exist, please edit it to propagate resource", o.Namespace, policyName)
return policyName, fmt.Errorf("the PropagationPolicy(%s/%s) already exist, please edit it to propagate resource", o.Namespace, policyName)
}

// createClusterPropagationPolicy create ClusterPropagationPolicy in karmada control plane
func (o *CommandPromoteOption) createClusterPropagationPolicy(karmadaClient *karmadaclientset.Clientset, gvr schema.GroupVersionResource, isDep bool) error {
func (o *CommandPromoteOption) createClusterPropagationPolicy(karmadaClient *karmadaclientset.Clientset, gvr schema.GroupVersionResource, isDep bool) (string, error) {
var policyName string
if o.PolicyName == "" {
policyName = names.GeneratePolicyName("", o.name, o.gvk.String())
Expand All @@ -695,14 +700,14 @@ func (o *CommandPromoteOption) createClusterPropagationPolicy(karmadaClient *kar
cpp := buildClusterPropagationPolicy(o.name, policyName, o.Cluster, gvr, o.gvk, isDep)
_, err = karmadaClient.PolicyV1alpha1().ClusterPropagationPolicies().Create(context.TODO(), cpp, metav1.CreateOptions{})

return err
return policyName, err
}
if err != nil {
return fmt.Errorf("failed to get ClusterPropagationPolicy(%s) in control plane: %v", policyName, err)
return policyName, fmt.Errorf("failed to get ClusterPropagationPolicy(%s) in control plane: %v", policyName, err)
}

// ClusterPropagationPolicy already exists, not to create it
return fmt.Errorf("the ClusterPropagationPolicy(%s) already exist, please edit it to propagate resource", policyName)
return policyName, fmt.Errorf("the ClusterPropagationPolicy(%s) already exist, please edit it to propagate resource", policyName)
}

// preprocessResource delete redundant fields to convert resource as template
Expand Down Expand Up @@ -775,6 +780,8 @@ func buildClusterPropagationPolicy(resourceName, policyName, cluster string, gvr
ClusterNames: []string{cluster},
},
},
//
PreserveResourcesOnDeletion: ptr.To[bool](true),
},
}
return cpp
Expand Down

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