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cluster.go
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cluster.go
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package cluster
import (
"context"
"fmt"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/logger"
)
// Start will start the embedded cluster.
// This function blocks until the cluster control plane has started
func Start(ctx context.Context, slug string, dataDir string) (string, error) {
log := ctx.Value("log").(*logger.CLILogger)
log.ActionWithoutSpinner("Starting cluster")
// init tls and misc
// this function is synchronous and blocks until ready
if err := clusterInit(ctx, dataDir, slug, "1.21.3"); err != nil {
return "", errors.Wrap(err, "init cluster")
}
// start the api server
if err := runAPIServer(ctx, dataDir, slug); err != nil {
return "", errors.Wrap(err, "start api server")
}
// start the scheduler on port 11251 (this is a non-standard port)
if err := runScheduler(ctx, dataDir); err != nil {
return "", errors.Wrap(err, "start scheduler")
}
// start the controller manager on port 11252 (non standard)
// TODO the controller should start
if err := runController(ctx, dataDir); err != nil {
return "", errors.Wrap(err, "start controller")
}
// because these are all synchoronous, the api is ready and we
// can install our addons
kubeconfigPath, err := kubeconfigFilePath(dataDir)
if err != nil {
return "", errors.Wrap(err, "get kubeconfig path")
}
fmt.Println("installing cni")
if err := installCNI(kubeconfigPath); err != nil {
return "", errors.Wrap(err, "install antrea")
}
fmt.Println("starting cri")
if err := startCRI(dataDir); err != nil {
return "", errors.Wrap(err, "install cri")
}
fmt.Println("starting kubelet")
if err := startKubelet(ctx, dataDir); err != nil {
return "", errors.Wrap(err, "install kubelet")
}
return kubeconfigPath, nil
}