mirror of https://github.com/kubernetes/kops.git
98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
/*
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Copyright 2020 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 server
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import (
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"context"
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"fmt"
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"k8s.io/klog/v2"
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"k8s.io/kops/pkg/apis/kops/registry"
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"k8s.io/kops/pkg/apis/nodeup"
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"k8s.io/kops/upup/pkg/fi"
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)
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func (s *Server) getNodeConfig(ctx context.Context, req *nodeup.BootstrapRequest, identity *fi.VerifyResult) (*nodeup.NodeConfig, error) {
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klog.Infof("getting node config for %+v", req)
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instanceGroupName := identity.InstanceGroupName
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if instanceGroupName == "" {
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return nil, fmt.Errorf("did not find InstanceGroup for node %q", identity.NodeName)
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}
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nodeConfig := &nodeup.NodeConfig{}
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// Note: For now, we're assuming there is only a single cluster, and it is ours.
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// We therefore use the configured base path
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// Today we load the full cluster config from the state store (e.g. S3) every time
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// TODO: we should generate it on the fly (to allow for cluster reconfiguration)
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{
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p := s.configBase.Join(registry.PathClusterCompleted)
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b, err := p.ReadFile()
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if err != nil {
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return nil, fmt.Errorf("error loading cluster config %q: %w", p, err)
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}
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nodeConfig.ClusterFullConfig = string(b)
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}
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{
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p := s.configBase.Join("instancegroup", instanceGroupName)
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b, err := p.ReadFile()
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if err != nil {
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return nil, fmt.Errorf("error loading InstanceGroup %q: %v", p, err)
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}
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nodeConfig.InstanceGroupConfig = string(b)
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}
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{
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p := s.configBase.Join("igconfig", "node", instanceGroupName, "auxconfig.yaml")
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b, err := p.ReadFile()
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if err != nil {
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return nil, fmt.Errorf("error loading AuxConfig %q: %v", p, err)
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}
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nodeConfig.AuxConfig = string(b)
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}
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// We populate some certificates that we know the node will need.
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for _, name := range []string{"ca"} {
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cert, _, _, err := s.keystore.FindKeypair(name)
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if err != nil {
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return nil, fmt.Errorf("error getting certificate %q: %w", name, err)
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}
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if cert == nil {
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return nil, fmt.Errorf("certificate %q not found", name)
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}
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certData, err := cert.AsString()
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if err != nil {
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return nil, fmt.Errorf("error marshalling certificate %q: %w", name, err)
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}
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nodeConfig.Certificates = append(nodeConfig.Certificates, &nodeup.NodeConfigCertificate{
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Name: name,
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Cert: certData,
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})
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}
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return nodeConfig, nil
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}
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