---
name: k8s-networking
description: Kubernetes networking management for services, ingresses, endpoints, and network policies. Use when configuring connectivity, load balancing, or network isolation.
license: Apache-2.0
metadata:
author: rohitg00
version: "1.0.0"
tools: 8
category: networking
---
# Kubernetes Networking
Manage Kubernetes networking resources using kubectl-mcp-server's networking tools.
## When to Apply
Use this skill when:
- User mentions: "service", "ingress", "endpoint", "network policy", "load balancer"
- Operations: exposing applications, configuring routing, network isolation
- Keywords: "connectivity", "DNS", "traffic", "port", "firewall"
## Priority Rules
| Priority | Rule | Impact | Tools |
|----------|------|--------|-------|
| 1 | Check endpoints before troubleshooting services | CRITICAL | `get_endpoints` |
| 2 | Verify service selector matches pod labels | HIGH | `get_services`, `get_pods` |
| 3 | Review network policies for isolation | HIGH | `get_network_policies` |
| 4 | Test DNS resolution from within pods | MEDIUM | `kubectl_exec` |
## Quick Reference
| Task | Tool | Example |
|------|------|---------|
| List services | `get_services` | `get_services(namespace)` |
| Check backends | `get_endpoints` | `get_endpoints(namespace)` |
| List ingresses | `get_ingresses` | `get_ingresses(namespace)` |
| Network policies | `get_network_policies` | `get_network_policies(namespace)` |
## Services
```python
get_services(namespace="default")
describe_service(name="my-service", namespace="default")
create_service(
name="my-service",
namespace="default",
selector={"app": "my-app"},
ports=[{"port": 80, "targetPort": 8080}]
)
create_service(
name="my-lb",
namespace="default",
type="LoadBalancer",
selector={"app": "my-app"},
ports=[{"port": 443, "targetPort": 8443}]
)
```
## Endpoints
```python
get_endpoints(namespace="default")
```
## Ingress
```python
get_ingresses(namespace="default")
describe_ingress(name="my-ingress", namespace="default")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: my-ingress
namespace: default
spec:
rules:
- host: app.example.com
http:
paths:
- path: /
pathType: Prefix
backend:
service:
name: my-service
port:
number: 80
""")
```
## Network Policies
```python
get_network_policies(namespace="default")
describe_network_policy(name="deny-all", namespace="default")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: deny-all
namespace: default
spec:
podSelector: {}
policyTypes:
- Ingress
- Egress
""")
kubectl_apply(manifest="""
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: allow-web
namespace: default
spec:
podSelector:
matchLabels:
app: web
ingress:
- from:
- podSelector:
matchLabels:
app: frontend
ports:
- port: 80
""")
```
## Troubleshooting Connectivity
```python
get_endpoints(namespace="default")
get_network_policies(namespace="default")
kubectl_exec(
pod="debug-pod",
namespace="default",
command="nslookup my-service.default.svc.cluster.local"
)
```
## Related Skills
- [k8s-service-mesh](../k8s-service-mesh/SKILL.md) - Istio traffic management
- [k8s-cilium](../k8s-cilium/SKILL.md) - Cilium network policies
