add: main function

internal/pkg/logs/logs.go

@@ -4,13 +4,12 @@ import (
 	"bufio"
 	"context"
 	"fmt"
+	"os"
 	"time"
 
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/rest"
-	"k8s.io/client-go/tools/clientcmd"
 )
 
 // Logger represents a Kubernetes log tailer
@@ -30,6 +29,20 @@ type Logger struct {
 	Timeout time.Duration
 }
 
+func LoggerFromEnv() *Logger {
+	deployment := os.Getenv("RCON_DEPLOYMENT")
+	namespace := os.Getenv("RCON_NAMESPACE")
+	pod := os.Getenv("RCON_POD")
+	container := os.Getenv("RCON_CONTAINER")
+
+	return &Logger{
+		Deployment: deployment,
+		Namespace:  namespace,
+		Pod:        pod,
+		Container:  container,
+	}
+}
+
 // Tailer represents a running log tailer
 type Tailer struct {
 	lines chan string
@@ -47,23 +60,17 @@ func (t *Tailer) Stop() {
 }
 
 // Start starts the log tailer
-func (l *Logger) Start() (*Tailer, func() error) {
+func (l *Logger) Start(ctx context.Context, client *kubernetes.Clientset) (*Tailer, func() error) {
 	tailer := &Tailer{
 		lines: make(chan string),
 		done:  make(chan struct{}),
 	}
 
-	// Create Kubernetes client
-	client, err := l.createKubernetesClient()
-	if err != nil {
-		close(tailer.lines)
-		return tailer, func() error { return err }
-	}
-
 	// Get pod name if not specified
+	var err error
 	podName := l.Pod
 	if podName == "" {
-		podName, err = l.getPodName(client)
+		podName, err = l.getPodName(ctx, client)
 		if err != nil {
 			close(tailer.lines)
 			return tailer, func() error { return err }
@@ -73,7 +80,7 @@ func (l *Logger) Start() (*Tailer, func() error) {
 	// Get container name if not specified
 	containerName := l.Container
 	if containerName == "" {
-		containerName, err = l.getContainerName(client, podName)
+		containerName, err = l.getContainerName(ctx, client, podName)
 		if err != nil {
 			close(tailer.lines)
 			return tailer, func() error { return err }
@@ -81,7 +88,7 @@ func (l *Logger) Start() (*Tailer, func() error) {
 	}
 
 	// Start tailing logs
-	go l.tailLogs(client, podName, containerName, tailer)
+	go l.tailLogs(ctx, client, podName, containerName, tailer)
 
 	return tailer, func() error {
 		tailer.Stop()
@@ -89,31 +96,9 @@ func (l *Logger) Start() (*Tailer, func() error) {
 	}
 }
 
-func (l *Logger) createKubernetesClient() (*kubernetes.Clientset, error) {
-	// Try to load in-cluster config first
-	config, err := rest.InClusterConfig()
-	if err != nil {
-		// If in-cluster config fails, try kubeconfig
-		loadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
-		configOverrides := &clientcmd.ConfigOverrides{}
-		kubeConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loadingRules, configOverrides)
-		config, err = kubeConfig.ClientConfig()
-		if err != nil {
-			return nil, fmt.Errorf("failed to create kubernetes client: %w", err)
-		}
-	}
-
-	client, err := kubernetes.NewForConfig(config)
-	if err != nil {
-		return nil, fmt.Errorf("failed to create kubernetes client: %w", err)
-	}
-
-	return client, nil
-}
-
-func (l *Logger) getPodName(client *kubernetes.Clientset) (string, error) {
+func (l *Logger) getPodName(ctx context.Context, client *kubernetes.Clientset) (string, error) {
 	// List pods with the deployment label
-	podList, err := client.CoreV1().Pods(l.Namespace).List(context.TODO(), metav1.ListOptions{
+	podList, err := client.CoreV1().Pods(l.Namespace).List(ctx, metav1.ListOptions{
 		LabelSelector: fmt.Sprintf("app=%s", l.Deployment),
 	})
 	if err != nil {
@@ -135,8 +120,8 @@ func (l *Logger) getPodName(client *kubernetes.Clientset) (string, error) {
 	return podList.Items[0].Name, nil
 }
 
-func (l *Logger) getContainerName(client *kubernetes.Clientset, podName string) (string, error) {
-	pod, err := client.CoreV1().Pods(l.Namespace).Get(context.TODO(), podName, metav1.GetOptions{})
+func (l *Logger) getContainerName(ctx context.Context, client *kubernetes.Clientset, podName string) (string, error) {
+	pod, err := client.CoreV1().Pods(l.Namespace).Get(ctx, podName, metav1.GetOptions{})
 	if err != nil {
 		return "", fmt.Errorf("failed to get pod %s: %w", podName, err)
 	}
@@ -149,7 +134,7 @@ func (l *Logger) getContainerName(client *kubernetes.Clientset, podName string)
 	return pod.Spec.Containers[0].Name, nil
 }
 
-func (l *Logger) tailLogs(client *kubernetes.Clientset, podName, containerName string, tailer *Tailer) {
+func (l *Logger) tailLogs(ctx context.Context, client *kubernetes.Clientset, podName, containerName string, tailer *Tailer) {
 	defer close(tailer.lines)
 
 	// Prepare log request
@@ -163,7 +148,6 @@ func (l *Logger) tailLogs(client *kubernetes.Clientset, podName, containerName s
 	}
 
 	// Create context with timeout if specified
-	ctx := context.Background()
 	if l.Timeout > 0 {
 		var cancel context.CancelFunc
 		ctx, cancel = context.WithTimeout(ctx, l.Timeout)

internal/pkg/rcon/rcon.go

@@ -69,6 +69,11 @@ func (c *Client) SetDifficulty(difficulty string) error {
 	return fmt.Errorf("not implemented")
 }
 
+func (c *Client) Say(msg string) error {
+	_, err := c.Execute("/say " + msg)
+	return err
+}
+
 // GetServerInfo returns basic server information
 func (c *Client) GetServerInfo() (string, error) {
 	return c.Execute("version")