mirror of https://github.com/kubernetes/kops.git
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resources
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import (
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"context"
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"fmt"
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"sort"
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"k8s.io/klog"
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"k8s.io/kops/upup/pkg/fi"
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)
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// DumpOperation holds context information for a dump, allowing for extension
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type DumpOperation struct {
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// Context is the golang context.Context for the dump operation
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Context context.Context
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// Cloud is the cloud we are dumping
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Cloud fi.Cloud
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// CloudState allows the cloudprovider to store state during the dump operation
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CloudState interface{}
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// Dump is the target of our dump
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Dump *Dump
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}
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// BuildDump gathers information about the cluster and returns an object for dumping
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func BuildDump(ctx context.Context, cloud fi.Cloud, resources map[string]*Resource) (*Dump, error) {
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dump := &Dump{}
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op := &DumpOperation{
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Context: ctx,
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Cloud: cloud,
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Dump: dump,
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}
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for k, r := range resources {
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if r.Dumper == nil {
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klog.V(8).Infof("skipping dump of %q (does not implement Dumpable)", k)
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continue
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}
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err := r.Dumper(op, r)
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if err != nil {
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return nil, fmt.Errorf("error dumping %q: %v", k, err)
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}
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}
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sort.SliceStable(dump.Instances, func(i, j int) bool { return dump.Instances[i].Name < dump.Instances[j].Name })
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return dump, nil
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}
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