Debug Container

This is built to address the use case of deploying an app into a kubernetes cluster and testing the network configurations.

Tools Included

• wget
• curl
• netstat
• nmap
• grpcurl
• hping3
• nc (netcat)
• mongodb

Build Local

docker build -t docker.io/cmwylie19/debug-container:latest .; docker push docker.io/cmwylie19/debug-container:latest;k rollout restart deploy/debug

Install in kubernetes

kubectl apply -f k8s/

Exec into the service

kubectl exec -it svc/debug -- sh

Run Commands

# curl a service in your cluster, in this case httpbin
curl -i httpbin.default.svc.cluster.local:8000/get

# if you have a grpc service called grpc-tests exposed at port 8080
grpcurl -plaintext grpc-tests:8080 list

# Run TCPDump
tcpdump eth0

# DIG
dig httpbin.default.svc.cluster.local

# netstat numeric route
netstat -rn