/
resource.go
69 lines (59 loc) · 2.15 KB
/
resource.go
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// Copyright 2024 Upbound Inc
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package importer
import (
"context"
"github.com/crossplane/crossplane-runtime/pkg/errors"
"github.com/crossplane/crossplane-runtime/pkg/meta"
)
type ResourceImporter interface {
ImportResources(ctx context.Context, gr string, restoreStatus bool) (int, error)
}
type PausingResourceImporter struct {
reader ResourceReader
applier ResourceApplier
}
func NewPausingResourceImporter(r ResourceReader, a ResourceApplier) *PausingResourceImporter {
return &PausingResourceImporter{
reader: r,
applier: a,
}
}
func (im *PausingResourceImporter) ImportResources(ctx context.Context, gr string, restoreStatus bool) (int, error) {
resources, typeMeta, err := im.reader.ReadResources(gr)
if err != nil {
return 0, errors.Wrapf(err, "cannot get %q resources", gr)
}
hasSubresource := false
if typeMeta != nil {
hasSubresource = typeMeta.WithStatusSubresource
for _, c := range typeMeta.Categories {
// We pause all resources that are managed, claim, or composite.
// - Claim/Composite: We don't want Crossplane controllers to create new resources before we import all.
// - Managed: Same reason as above, but also don't want to take control of cloud resources yet.
if c == "managed" || c == "claim" || c == "composite" {
for i := range resources {
meta.AddAnnotations(&resources[i], map[string]string{
"crossplane.io/paused": "true",
})
}
break
}
}
}
if err = im.applier.ApplyResources(ctx, resources, restoreStatus && hasSubresource); err != nil {
return 0, errors.Wrapf(err, "cannot apply %q resources", gr)
}
return len(resources), nil
}