added proxy logs, added events logs (#254)

cli/apiserver/provider.go

@@ -5,6 +5,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"github.com/up9inc/mizu/cli/config"
 	"github.com/up9inc/mizu/cli/logger"
 	"github.com/up9inc/mizu/cli/uiUtils"
 	"github.com/up9inc/mizu/shared"
@@ -18,18 +19,27 @@ import (
 type apiServerProvider struct {
 	url     string
 	isReady bool
+	retries int
 }
 
-var Provider = apiServerProvider{}
+var Provider = apiServerProvider{retries: config.GetIntEnvConfig(config.ApiServerRetries, 20)}
 
-func (provider *apiServerProvider) InitAndTestConnection(url string, retries int) error {
+func (provider *apiServerProvider) InitAndTestConnection(url string) error {
 	healthUrl := fmt.Sprintf("%s/", url)
-	retriesLeft := retries
+	retriesLeft := provider.retries
 	for retriesLeft > 0 {
 		if response, err := http.Get(healthUrl); err != nil {
 			logger.Log.Debugf("[ERROR] failed connecting to api server %v", err)
 		} else if response.StatusCode != 200 {
-			logger.Log.Debugf("can't connect to api server yet, response status code %v", response.StatusCode)
+			responseBody := ""
+			data, readErr := ioutil.ReadAll(response.Body)
+			if readErr == nil {
+				responseBody = string(data)
+			}
+
+			logger.Log.Debugf("can't connect to api server yet, response status code: %v, body: %v", response.StatusCode, responseBody)
+
+			response.Body.Close()
 		} else {
 			logger.Log.Debugf("connection test to api server passed successfully")
 			break
@@ -40,7 +50,7 @@ func (provider *apiServerProvider) InitAndTestConnection(url string, retries int
 
 	if retriesLeft == 0 {
 		provider.isReady = false
-		return fmt.Errorf("couldn't reach the api server after %v retries", retries)
+		return fmt.Errorf("couldn't reach the api server after %v retries", provider.retries)
 	}
 	provider.url = url
 	provider.isReady = true

cli/cmd/common.go

@@ -26,6 +26,8 @@ func startProxyReportErrorIfAny(kubernetesProvider *kubernetes.Provider, cancel
 			"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) {

cli/cmd/fetch.go

@@ -18,7 +18,7 @@ var fetchCmd = &cobra.Command{
 	RunE: func(cmd *cobra.Command, args []string) error {
 		go telemetry.ReportRun("fetch", config.Config.Fetch)
 
-		if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl(), 1); err != nil {
+		if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl()); err != nil {
 			logger.Log.Errorf(uiUtils.Error, "Couldn't connect to API server, make sure one running")
 			return nil
 		}

cli/cmd/fetchRunner.go

@@ -9,7 +9,7 @@ import (
 )
 
 func RunMizuFetch() {
-	if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl(), 5); err != nil {
+	if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl()); err != nil {
 		logger.Log.Errorf(uiUtils.Error, "Couldn't connect to API server, check logs")
 	}
 

cli/cmd/tapRunner.go

@@ -497,7 +497,7 @@ func watchApiServerPod(ctx context.Context, kubernetesProvider *kubernetes.Provi
 				isPodReady = true
 				go startProxyReportErrorIfAny(kubernetesProvider, cancel)
 
-				if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl(), 20); err != nil {
+				if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl()); err != nil {
 					logger.Log.Errorf(uiUtils.Error, "Couldn't connect to API server, check logs")
 					cancel()
 					break

cli/cmd/viewRunner.go

@@ -43,7 +43,7 @@ func runMizuView() {
 	logger.Log.Infof("Establishing connection to k8s cluster...")
 	go startProxyReportErrorIfAny(kubernetesProvider, cancel)
 
-	if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl(), 10); err != nil {
+	if err := apiserver.Provider.InitAndTestConnection(GetApiServerUrl()); err != nil {
 		logger.Log.Errorf(uiUtils.Error, "Couldn't connect to API server, check logs")
 		return
 	}

cli/config/envConfig.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"os"
+	"strconv"
+)
+
+const (
+	ApiServerRetries = "API_SERVER_RETRIES"
+)
+
+func GetIntEnvConfig(key string, defaultValue int) int {
+	value := os.Getenv(key)
+	if value == "" {
+		return defaultValue
+	}
+
+	intValue, err := strconv.Atoi(value)
+	if err != nil {
+		return defaultValue
+	}
+
+	return intValue
+}

cli/kubernetes/provider.go

@@ -739,6 +739,16 @@ func (provider *Provider) GetPodLogs(namespace string, podName string, ctx conte
 	return str, nil
 }
 
+func (provider *Provider) GetNamespaceEvents(namespace string, ctx context.Context) (string, error) {
+	eventsOpts := metav1.ListOptions{}
+	eventList, err := provider.clientSet.CoreV1().Events(namespace).List(ctx, eventsOpts)
+	if err != nil {
+		return "", fmt.Errorf("error getting events on ns: %s, %w", namespace, err)
+	}
+
+	return eventList.String(), nil
+}
+
 func getClientSet(config *restclient.Config) (*kubernetes.Clientset, error) {
 	clientSet, err := kubernetes.NewForConfig(config)
 	if err != nil {

cli/kubernetes/proxy.go

@@ -39,6 +39,7 @@ func StartProxy(kubernetesProvider *Provider, mizuPort uint16, mizuNamespace str
 	server := http.Server{
 		Handler: mux,
 	}
+
 	return server.Serve(l)
 }
 

cli/mizu/fsUtils/mizuLogsUtils.go

@@ -39,22 +39,39 @@ func DumpLogs(provider *kubernetes.Provider, ctx context.Context, filePath strin
 		} else {
 			logger.Log.Debugf("Successfully read log length %d for pod: %s.%s", len(logs), pod.Namespace, pod.Name)
 		}
+
 		if err := AddStrToZip(zipWriter, logs, fmt.Sprintf("%s.%s.log", pod.Namespace, pod.Name)); err != nil {
 			logger.Log.Errorf("Failed write logs, %v", err)
 		} else {
 			logger.Log.Debugf("Successfully added log length %d from pod: %s.%s", len(logs), pod.Namespace, pod.Name)
 		}
 	}
+
+	events, err := provider.GetNamespaceEvents(config.Config.MizuResourcesNamespace, ctx)
+	if err != nil {
+		logger.Log.Debugf("Failed to get k8b events, %v", err)
+	} else {
+		logger.Log.Debugf("Successfully read events for k8b namespace: %s", config.Config.MizuResourcesNamespace)
+	}
+
+	if err := AddStrToZip(zipWriter, events, fmt.Sprintf("%s_events.log", config.Config.MizuResourcesNamespace)); err != nil {
+		logger.Log.Debugf("Failed write logs, %v", err)
+	} else {
+		logger.Log.Debugf("Successfully added events for k8b namespace: %s", config.Config.MizuResourcesNamespace)
+	}
+
 	if err := AddFileToZip(zipWriter, config.Config.ConfigFilePath); err != nil {
 		logger.Log.Debugf("Failed write file, %v", err)
 	} else {
 		logger.Log.Debugf("Successfully added file %s", config.Config.ConfigFilePath)
 	}
+
 	if err := AddFileToZip(zipWriter, logger.GetLogFilePath()); err != nil {
 		logger.Log.Debugf("Failed write file, %v", err)
 	} else {
 		logger.Log.Debugf("Successfully added file %s", logger.GetLogFilePath())
 	}
+
 	logger.Log.Infof("You can find the zip file with all logs in %s\n", filePath)
 	return nil
 }