Files
kubeshark/cli/cmd/common.go
RamiBerm 655626bc42 TRA-3868 move tapped pod watch and tapper updating to shared (#416)
* WIP

* WIP

* WIP

* WIP

* WIP

* Update tapRunner.go and k8sTapManager.go

* Update cleanRunner.go, common.go, and 8 more files...

* Update common.go, tapConfig.go, and 2 more files...

* Update config.go, config.go, and 5 more files...

* Update tapRunner.go, config.go, and 7 more files...

* Update cleanRunner.go, logs.go, and 2 more files...

* Update k8sTapManager.go, provider.go, and watch.go

* Update go.sum, go.mod, and go.sum

* Update go.mod and go.sum

* Update go.mod, go.sum, and 2 more files...

* Revert "Update go.mod, go.sum, and 2 more files..."

This reverts commit 8140311349.

* Update funcWrappers.go, tapRunner.go, and 4 more files...

* Update main.go, tapRunner.go, and mizuTapperSyncer.go
2021-11-01 14:12:32 +02:00

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package cmd
import (
"context"
"errors"
"fmt"
"os"
"os/signal"
"syscall"
"github.com/up9inc/mizu/cli/config"
"github.com/up9inc/mizu/cli/config/configStructs"
"github.com/up9inc/mizu/cli/errormessage"
"github.com/up9inc/mizu/cli/uiUtils"
"github.com/up9inc/mizu/shared/kubernetes"
"github.com/up9inc/mizu/shared/logger"
)
func GetApiServerUrl() string {
return fmt.Sprintf("http://%s", kubernetes.GetMizuApiServerProxiedHostAndPath(config.Config.Tap.GuiPort))
}
func startProxyReportErrorIfAny(kubernetesProvider *kubernetes.Provider, cancel context.CancelFunc) {
err := kubernetes.StartProxy(kubernetesProvider, config.Config.Tap.ProxyHost, config.Config.Tap.GuiPort, config.Config.MizuResourcesNamespace, kubernetes.ApiServerPodName)
if err != nil {
logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Error occured while running k8s proxy %v\n"+
"Try setting different port by using --%s", errormessage.FormatError(err), configStructs.GuiPortTapName))
cancel()
}
logger.Log.Debugf("proxy ended")
}
func waitForFinish(ctx context.Context, cancel context.CancelFunc) {
logger.Log.Debugf("waiting for finish...")
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
// block until ctx cancel is called or termination signal is received
select {
case <-ctx.Done():
logger.Log.Debugf("ctx done")
break
case <-sigChan:
logger.Log.Debugf("Got termination signal, canceling execution...")
cancel()
}
}
func getKubernetesProviderForCli() (*kubernetes.Provider, error) {
kubernetesProvider, err := kubernetes.NewProvider(config.Config.KubeConfigPath())
if err != nil {
handleKubernetesProviderError(err)
return nil, err
}
return kubernetesProvider, nil
}
func handleKubernetesProviderError(err error) {
var clusterBehindProxyErr *kubernetes.ClusterBehindProxyError
if ok := errors.As(err, &clusterBehindProxyErr); ok {
logger.Log.Errorf("cannot establish http-proxy connection to the Kubernetes cluster. If youre using Lens or similar tool, please run mizu with regular kubectl config using --%v %v=$HOME/.kube/config flag", config.SetCommandName, config.KubeConfigPathConfigName)
} else {
logger.Log.Error(err)
}
}