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proxy_restart.go
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proxy_restart.go
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package k8s
import (
"github.com/cybozu-go/cke"
"github.com/cybozu-go/cke/op"
"github.com/cybozu-go/cke/op/common"
)
type kubeProxyRestartOp struct {
nodes []*cke.Node
cluster string
params cke.ServiceParams
step int
files *common.FilesBuilder
}
// KubeProxyRestartOp returns an Operator to restart kube-proxy.
func KubeProxyRestartOp(nodes []*cke.Node, cluster string, params cke.ServiceParams) cke.Operator {
return &kubeProxyRestartOp{
nodes: nodes,
cluster: cluster,
params: params,
files: common.NewFilesBuilder(nodes),
}
}
func (o *kubeProxyRestartOp) Name() string {
return "kube-proxy-restart"
}
func (o *kubeProxyRestartOp) NextCommand() cke.Commander {
switch o.step {
case 0:
o.step++
return common.ImagePullCommand(o.nodes, cke.KubernetesImage)
case 1:
o.step++
return prepareProxyFilesCommand{o.cluster, o.files}
case 2:
o.step++
return o.files
case 3:
o.step++
opts := []string{
"--tmpfs=/run",
"--privileged",
}
paramsMap := make(map[string]cke.ServiceParams)
for _, n := range o.nodes {
params := ProxyParams(n)
paramsMap[n.Address] = params
}
return common.RunContainerCommand(o.nodes, op.KubeProxyContainerName, cke.KubernetesImage,
common.WithOpts(opts),
common.WithParamsMap(paramsMap),
common.WithExtra(o.params),
common.WithRestart())
default:
return nil
}
}
func (o *kubeProxyRestartOp) Targets() []string {
ips := make([]string, len(o.nodes))
for i, n := range o.nodes {
ips[i] = n.Address
}
return ips
}