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controller_manager_restart.go
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controller_manager_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 controllerManagerRestartOp struct {
nodes []*cke.Node
cluster string
serviceSubnet string
params cke.ServiceParams
pulled bool
finished bool
}
// ControllerManagerRestartOp returns an Operator to restart kube-controller-manager
func ControllerManagerRestartOp(nodes []*cke.Node, cluster, serviceSubnet string, params cke.ServiceParams) cke.Operator {
return &controllerManagerRestartOp{
nodes: nodes,
cluster: cluster,
serviceSubnet: serviceSubnet,
params: params,
}
}
func (o *controllerManagerRestartOp) Name() string {
return "kube-controller-manager-restart"
}
func (o *controllerManagerRestartOp) NextCommand() cke.Commander {
if !o.pulled {
o.pulled = true
return common.ImagePullCommand(o.nodes, cke.KubernetesImage)
}
if !o.finished {
o.finished = true
return common.RunContainerCommand(o.nodes, op.KubeControllerManagerContainerName, cke.KubernetesImage,
common.WithParams(ControllerManagerParams(o.cluster, o.serviceSubnet)),
common.WithExtra(o.params),
common.WithRestart())
}
return nil
}
func (o *controllerManagerRestartOp) Targets() []string {
ips := make([]string, len(o.nodes))
for i, n := range o.nodes {
ips[i] = n.Address
}
return ips
}