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kubeadm_config.go
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kubeadm_config.go
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/*
Copyright 2019 The KubeOne Authors.
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 tasks
import (
"fmt"
kubeoneapi "k8c.io/kubeone/pkg/apis/kubeone"
"k8c.io/kubeone/pkg/executor"
"k8c.io/kubeone/pkg/fail"
"k8c.io/kubeone/pkg/scripts"
"k8c.io/kubeone/pkg/state"
"k8c.io/kubeone/pkg/templates/kubeadm"
)
func determinePauseImage(s *state.State) error {
s.Logger.Infoln("Determining Kubernetes pause image...")
return s.RunTaskOnLeaderWithMutator(determinePauseImageExecutor, func(original *state.State, tmp *state.State) {
original.PauseImage = tmp.PauseImage
})
}
func determinePauseImageExecutor(s *state.State, node *kubeoneapi.HostConfig, conn executor.Interface) error {
cmd, err := scripts.KubeadmPauseImageVersion(s.Cluster.Versions.Kubernetes)
if err != nil {
return err
}
out, _, err := s.Runner.RunRaw(cmd)
if err != nil {
return fail.SSH(err, "getting kubeadm PauseImage version")
}
s.PauseImage = s.Cluster.RegistryConfiguration.ImageRegistry("registry.k8s.io") + "/pause:" + out
return nil
}
func generateKubeadm(s *state.State) error {
s.Logger.Infoln("Generating kubeadm config file...")
if err := determinePauseImage(s); err != nil {
return err
}
kubeadmProvider, err := kubeadm.New(s.Cluster.Versions.Kubernetes)
if err != nil {
return err
}
for idx := range s.Cluster.ControlPlane.Hosts {
node := s.Cluster.ControlPlane.Hosts[idx]
kubeadmConf, err := kubeadmProvider.Config(s, node)
if err != nil {
return err
}
s.Configuration.AddFile(fmt.Sprintf("cfg/master_%d.yaml", node.ID), kubeadmConf)
}
for idx := range s.Cluster.StaticWorkers.Hosts {
node := s.Cluster.StaticWorkers.Hosts[idx]
kubeadmConf, err := kubeadmProvider.ConfigWorker(s, node)
if err != nil {
return err
}
s.Configuration.AddFile(fmt.Sprintf("cfg/worker_%d.yaml", node.ID), kubeadmConf)
}
return s.RunTaskOnAllNodes(uploadKubeadmToNode, state.RunParallel)
}
func uploadKubeadmToNode(s *state.State, _ *kubeoneapi.HostConfig, conn executor.Interface) error {
return s.Configuration.UploadTo(conn, s.WorkDir)
}