release v1.0.1

Signed-off-by: Md Imran <[email protected]>

docker/Dockerfile

@@ -53,7 +53,18 @@ RUN apk add --no-cache \
     helm \
     socat \
     ncdu \
-    bash
+    bash \
+    ca-certificates \
+    conntrack-tools \
+    ethtool \
+    iptables \
+    less \
+    mtr \
+    openssh-client \
+    psmisc \
+    tcptraceroute \
+    ngrep \
+    yq
 
 # Install kubectl
 RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" && \
@@ -63,15 +74,18 @@ RUN curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/s
 RUN curl -L -o /usr/local/bin/stern https://github.com/stern/stern/releases/download/v1.22.0/stern_linux_amd64 && \
     chmod +x /usr/local/bin/stern
 
-# Install k9s
-RUN curl -L -o /usr/local/bin/k9s https://github.com/derailed/k9s/releases/download/v0.32.5/k9s_Linux_amd64.tar.gz && \
-    tar -xz -C /usr/local/bin/ -f /usr/local/bin/k9s && chmod +x /usr/local/bin/k9s
+# Install k9s (Fixed Download and Extraction)
+RUN curl -L -o /tmp/k9s_Linux_amd64.tar.gz https://github.com/derailed/k9s/releases/download/v0.32.5/k9s_Linux_amd64.tar.gz && \
+    tar -xz -C /usr/local/bin/ -f /tmp/k9s_Linux_amd64.tar.gz k9s && chmod +x /usr/local/bin/k9s && rm /tmp/k9s_Linux_amd64.tar.gz
 
 # Install mc (MinIO Client)
 RUN curl -O https://dl.min.io/client/mc/release/linux-amd64/mc && \
     chmod +x mc && \
     mv mc /usr/local/bin/
 
+# Set the working directory
+WORKDIR /root/
+
 # Copy the Golang executable from the builder stage
 COPY --from=builder /app/k8stoolbox /usr/local/bin/k8stoolbox
 
@@ -100,5 +114,5 @@ RUN ln -s /usr/local/bin/scripts/aggregate_logs.sh /usr/local/bin/aggregate_logs
 # Clean up unnecessary files to keep the image small
 RUN rm -rf /var/cache/apk/*
 
-# Set the default command to an interactive shell for general debugging and troubleshooting
-CMD ["/bin/sh"]
+# Run the Go application
+CMD ["tail", "-f", "/dev/null"]

main.go

@@ -9,14 +9,27 @@ import (
 	"fmt"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/client-go/kubernetes"
-	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/remotecommand"
 	"log"
 	"os"
-	"path/filepath"
 )
 
+var clientset *kubernetes.Clientset
+var config *rest.Config
+
 func main() {
+	var err error
+	config, err = rest.InClusterConfig()
+	if err != nil {
+		panic(err.Error())
+	}
+	// creates the clientset
+	clientset, err = kubernetes.NewForConfig(config)
+	if err != nil {
+		panic(err.Error())
+	}
+
 	// Define flags for CLI commands
 	healthCheckCmd := flag.NewFlagSet("healthcheck", flag.ExitOnError)
 	namespace := healthCheckCmd.String("namespace", "default", "Namespace to check pod health")
@@ -56,21 +69,6 @@ func main() {
 
 // performHealthCheck performs a health check on all pods in the specified namespace
 func performHealthCheck(namespace string) {
-	// Load Kubernetes client configuration
-	kubeconfig := filepath.Join(os.Getenv("HOME"), ".kube", "config")
-	config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
-	if err != nil {
-		fmt.Printf("Error loading kubeconfig: %v\n", err)
-		os.Exit(1)
-	}
-
-	// Create Kubernetes clientset
-	clientset, err := kubernetes.NewForConfig(config)
-	if err != nil {
-		fmt.Printf("Error creating Kubernetes client: %v\n", err)
-		os.Exit(1)
-	}
-
 	// Get all pods in the specified namespace
 	pods, err := clientset.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{})
 	if err != nil {
@@ -92,19 +90,8 @@ func performHealthCheck(namespace string) {
 
 // testPodConnectivity tests network connectivity from a pod to a specified target
 func testPodConnectivity(namespace, podName, target string) {
-	// Load Kubernetes client configuration
-	kubeconfig := filepath.Join(os.Getenv("HOME"), ".kube", "config")
-	config, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
-	if err != nil {
-		fmt.Printf("Error loading kubeconfig: %v\n", err)
-		os.Exit(1)
-	}
-
-	// Create Kubernetes clientset
-	clientset, err := kubernetes.NewForConfig(config)
-	if err != nil {
-		fmt.Printf("Error creating Kubernetes client: %v\n", err)
-		os.Exit(1)
+	if clientset == nil || config == nil {
+		log.Fatalf("Error: Kubernetes clientset or config is not initialized")
 	}
 
 	// Set up the exec request

manifests/debug-daemon.yaml

@@ -1,4 +1,42 @@
-# K8sToolbox DaemonSet Manifest
+# K8sToolbox DaemonSet Manifest with ServiceAccount
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: k8stoolbox-cluster-admin
+  namespace: default
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: k8stoolbox-cluster-admin-binding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: k8stoolbox-cluster-admin
+    namespace: default
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: k8stoolbox-cluster-admin
+  namespace: default
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: k8stoolbox-cluster-admin-binding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: k8stoolbox-cluster-admin
+    namespace: default
+---
 apiVersion: apps/v1
 kind: DaemonSet
 metadata:
@@ -15,11 +53,12 @@ spec:
       labels:
         app: k8stoolbox
     spec:
+      serviceAccountName: k8stoolbox-cluster-admin
       containers:
         - name: k8stoolbox
           image: narmidm/k8stoolbox:latest
           imagePullPolicy: IfNotPresent
-          command: ["/bin/sh"]
+          command: ["tail", "-f", "/dev/null"]
           resources:
             requests:
               memory: "64Mi"

manifests/debug-pod.yaml

@@ -1,4 +1,23 @@
-# K8sToolbox Debug Pod Manifest
+# K8sToolbox Debug Pod Manifest with ServiceAccount
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: k8stoolbox-cluster-admin
+  namespace: default
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: k8stoolbox-cluster-admin-binding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+  - kind: ServiceAccount
+    name: k8stoolbox-cluster-admin
+    namespace: default
+---
 apiVersion: v1
 kind: Pod
 metadata:
@@ -7,11 +26,12 @@ metadata:
   labels:
     app: k8stoolbox
 spec:
+  serviceAccountName: k8stoolbox-cluster-admin
   containers:
     - name: k8stoolbox
       image: narmidm/k8stoolbox:latest
       imagePullPolicy: IfNotPresent
-      command: ["/bin/sh"]
+      command: ["tail", "-f", "/dev/null"]
       resources:
         requests:
           memory: "64Mi"