k3s/pkg/cluster/storage.go

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package cluster
import (
"bytes"
"context"
"github.com/rancher/k3s/pkg/bootstrap"
"github.com/rancher/kine/pkg/client"
)
func (c *Cluster) save(ctx context.Context) error {
buf := &bytes.Buffer{}
if err := bootstrap.Write(buf, &c.runtime.ControlRuntimeBootstrap); err != nil {
return err
}
data, err := encrypt(c.config.Token, buf.Bytes())
if err != nil {
return err
}
return c.storageClient.Create(ctx, storageKey(c.config.Token), data)
}
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func (c *Cluster) storageBootstrap(ctx context.Context) error {
if err := c.startStorage(ctx); err != nil {
return err
}
storageClient, err := client.New(c.etcdConfig)
if err != nil {
return err
}
c.storageClient = storageClient
value, err := storageClient.Get(ctx, storageKey(c.config.Token))
if err == client.ErrNotFound {
c.saveBootstrap = true
return nil
} else if err != nil {
return err
}
data, err := decrypt(c.config.Token, value.Data)
if err != nil {
return err
}
return bootstrap.Read(bytes.NewBuffer(data), &c.runtime.ControlRuntimeBootstrap)
}