kubernetes-ops

Name: kubernetes-ops
Author: BagelHole

42stars4forks

How to install kubernetes-ops?

bagelhole/devops-security-agent-skills/kubernetes-ops

$npx -y skills add BagelHole/DevOps-Security-Agent-Skills --skill kubernetes-ops

Installs into the current project.

Summary

Deploy, scale, and manage Kubernetes workloads. Create deployments, services, and configurations, manage cluster resources, troubleshoot pods, and implement production-ready Kubernetes patterns. Use when working with Kubernetes clusters, K8s deployments, or container orchestratio

Files · 1

View on GitHub

SKILL.md

1	# Kubernetes Operations
2
3	Deploy and manage containerized applications on Kubernetes clusters.
4
5	## When to Use This Skill
6
7	Use this skill when:
8	- Deploying applications to Kubernetes
9	- Managing pods, deployments, and services
10	- Configuring resource limits and scaling
11	- Troubleshooting Kubernetes workloads
12	- Setting up networking and ingress
13
14	## Prerequisites
15
16	- kubectl installed and configured
17	- Access to a Kubernetes cluster
18	- Basic understanding of containers
19
20	## Core Resources
21
22	### Deployment
23
24	```yaml
25	apiVersion: apps/v1
26	kind: Deployment
27	metadata:
28	name: myapp
29	labels:
30	app: myapp
31	spec:
32	replicas: 3
33	selector:
34	matchLabels:
35	app: myapp
36	template:
37	metadata:
38	labels:
39	app: myapp
40	spec:
41	containers:
42	- name: myapp
43	image: myapp:1.0.0
44	ports:
45	- containerPort: 8080
46	resources:
47	requests:
48	memory: "128Mi"
49	cpu: "100m"
50	limits:
51	memory: "256Mi"
52	cpu: "500m"
53	livenessProbe:
54	httpGet:
55	path: /health
56	port: 8080
57	initialDelaySeconds: 10
58	periodSeconds: 10
59	readinessProbe:
60	httpGet:
61	path: /ready
62	port: 8080
63	initialDelaySeconds: 5
64	periodSeconds: 5
65	env:
66	- name: DATABASE_URL
67	valueFrom:
68	secretKeyRef:
69	name: myapp-secrets
70	key: database-url
71	```
72
73	### Service
74
75	```yaml
76	apiVersion: v1
77	kind: Service
78	metadata:
79	name: myapp
80	spec:
81	selector:
82	app: myapp
83	ports:
84	- port: 80
85	targetPort: 8080
86	type: ClusterIP
87	---
88	# LoadBalancer for external access
89	apiVersion: v1
90	kind: Service
91	metadata:
92	name: myapp-external
93	spec:
94	selector:
95	app: myapp
96	ports:
97	- port: 80
98	targetPort: 8080
99	type: LoadBalancer
100	```
101
102	### Ingress
103
104	```yaml
105	apiVersion: networking.k8s.io/v1
106	kind: Ingress
107	metadata:
108	name: myapp
109	annotations:
110	nginx.ingress.kubernetes.io/rewrite-target: /
111	spec:
112	ingressClassName: nginx
113	tls:
114	- hosts:
115	- myapp.example.com
116	secretName: myapp-tls
117	rules:
118	- host: myapp.example.com
119	http:
120	paths:
121	- path: /
122	pathType: Prefix
123	backend:
124	service:
125	name: myapp
126	port:
127	number: 80
128	```
129
130	## Configuration Management
131
132	### ConfigMap
133
134	```yaml
135	apiVersion: v1
136	kind: ConfigMap
137	metadata:
138	name: myapp-config
139	data:
140	config.yaml: \|
141	server:
142	port: 8080
143	logging:
144	level: info
145	APP_ENV: production
146	```
147
148	```yaml
149	# Using ConfigMap
150	containers:
151	- name: myapp
152	envFrom:
153	- configMapRef:
154	name: myapp-config
155	volumeMounts:
156	- name: config
157	mountPath: /etc/config
158	volumes:
159	- name: config
160	configMap:
161	name: myapp-config
162	```
163
164	### Secret
165
166	```yaml
167	apiVersion: v1
168	kind: Secret
169	metadata:
170	name: myapp-secrets
171	type: Opaque
172	stringData:
173	database-url: postgres://user:pass@host:5432/db
174	api-key: secret-key-value
175	```
176
177	```bash
178	# Create secret from command line
179	kubectl create secret generic myapp-secrets \
180	--from-literal=database-url='postgres://...' \
181	--from-file=tls.crt=cert.pem
182	```
183
184	## kubectl Commands
185
186	### Resource Management
187
188	```bash
189	# Apply configuration
190	kubectl apply -f deployment.yaml
191
192	# Get resources
193	kubectl get pods
194	kubectl get deployments
195	kubectl get services
196	kubectl get all -n myapp
197
198	# Describe resource
199	kubectl describe pod myapp-xxx
200
201	# Delete resource
202	kubectl delete -f deployment.yaml
203	kubectl delete pod myapp-xxx
204
205	# Edit resource
206	kubectl edit deployment myapp
207	```
208
209	### Debugging
210
211	```bash
212	# View logs
213	kubectl logs myapp-xxx
214	kubectl logs -f myapp-xxx --tail=100
215	kubectl logs myapp-xxx -c sidecar # specific container
216
217	# Execute command
218	kubectl exec -it myapp-xxx -- /bin/sh
219
220	# Port forward
221	kubectl port-forward svc/myapp 8080:80
222	kubectl port-forward pod/myapp-xxx 8080:8080
223
224	# View events
225	kubectl get events --sort-by='.lastTimestamp'
226
227	# Debug pod
228	kubectl debug myapp-xxx -it --image=busybox
229	```
230
231	### Scaling
232
233	```bash
234	# Manual scaling
235	kubectl scale deployment myapp --replicas=5
236
237	# Autoscaling
238	kubectl autoscale deployment myapp \
239	--min=2 --max=10 \
240	--cpu-percent=80
241	```
242
243	## Horizontal Pod Autoscaler
244
245	```yaml
246	apiVersion: autoscaling/v2
247	kind: HorizontalPodAutoscaler
248	metadata:
249	name: myapp
250	spec:
251	scaleTargetRef:
252	apiVersion: apps/v1
253	kind: Deployment
254	name: myapp
255	minReplicas: 2
256	maxReplicas: 10
257	metrics:
258	- type: Resource
259	resource:
260	name: cpu
261	target:
262	type: Utilization
263	averageUtilization: 80
264	- type: Resource
265	resource:
266	name: memory
267	target:
268	type: Utilization
269	averageUtiliz

People who liked this also viewed

6 picks

Type

kubernetes-ops

42stars4forks

View on GitHub

How to install kubernetes-ops?

bagelhole/devops-security-agent-skills/kubernetes-ops

$npx -y skills add BagelHole/DevOps-Security-Agent-Skills --skill kubernetes-ops

Installs into the current project.

Summary

Files · 1

View on GitHub

SKILL.md

1	# Kubernetes Operations
2
3	Deploy and manage containerized applications on Kubernetes clusters.
4
5	## When to Use This Skill
6
7	Use this skill when:
8	- Deploying applications to Kubernetes
9	- Managing pods, deployments, and services
10	- Configuring resource limits and scaling
11	- Troubleshooting Kubernetes workloads
12	- Setting up networking and ingress
13
14	## Prerequisites
15
16	- kubectl installed and configured
17	- Access to a Kubernetes cluster
18	- Basic understanding of containers
19
20	## Core Resources
21
22	### Deployment
23
24	```yaml
25	apiVersion: apps/v1
26	kind: Deployment
27	metadata:
28	name: myapp
29	labels:
30	app: myapp
31	spec:
32	replicas: 3
33	selector:
34	matchLabels:
35	app: myapp
36	template:
37	metadata:
38	labels:
39	app: myapp
40	spec:
41	containers:
42	- name: myapp
43	image: myapp:1.0.0
44	ports:
45	- containerPort: 8080
46	resources:
47	requests:
48	memory: "128Mi"
49	cpu: "100m"
50	limits:
51	memory: "256Mi"
52	cpu: "500m"
53	livenessProbe:
54	httpGet:
55	path: /health
56	port: 8080
57	initialDelaySeconds: 10
58	periodSeconds: 10
59	readinessProbe:
60	httpGet:
61	path: /ready
62	port: 8080
63	initialDelaySeconds: 5
64	periodSeconds: 5
65	env:
66	- name: DATABASE_URL
67	valueFrom:
68	secretKeyRef:
69	name: myapp-secrets
70	key: database-url
71	```
72
73	### Service
74
75	```yaml
76	apiVersion: v1
77	kind: Service
78	metadata:
79	name: myapp
80	spec:
81	selector:
82	app: myapp
83	ports:
84	- port: 80
85	targetPort: 8080
86	type: ClusterIP
87	---
88	# LoadBalancer for external access
89	apiVersion: v1
90	kind: Service
91	metadata:
92	name: myapp-external
93	spec:
94	selector:
95	app: myapp
96	ports:
97	- port: 80
98	targetPort: 8080
99	type: LoadBalancer
100	```
101
102	### Ingress
103
104	```yaml
105	apiVersion: networking.k8s.io/v1
106	kind: Ingress
107	metadata:
108	name: myapp
109	annotations:
110	nginx.ingress.kubernetes.io/rewrite-target: /
111	spec:
112	ingressClassName: nginx
113	tls:
114	- hosts:
115	- myapp.example.com
116	secretName: myapp-tls
117	rules:
118	- host: myapp.example.com
119	http:
120	paths:
121	- path: /
122	pathType: Prefix
123	backend:
124	service:
125	name: myapp
126	port:
127	number: 80
128	```
129
130	## Configuration Management
131
132	### ConfigMap
133
134	```yaml
135	apiVersion: v1
136	kind: ConfigMap
137	metadata:
138	name: myapp-config
139	data:
140	config.yaml: \|
141	server:
142	port: 8080
143	logging:
144	level: info
145	APP_ENV: production
146	```
147
148	```yaml
149	# Using ConfigMap
150	containers:
151	- name: myapp
152	envFrom:
153	- configMapRef:
154	name: myapp-config
155	volumeMounts:
156	- name: config
157	mountPath: /etc/config
158	volumes:
159	- name: config
160	configMap:
161	name: myapp-config
162	```
163
164	### Secret
165
166	```yaml
167	apiVersion: v1
168	kind: Secret
169	metadata:
170	name: myapp-secrets
171	type: Opaque
172	stringData:
173	database-url: postgres://user:pass@host:5432/db
174	api-key: secret-key-value
175	```
176
177	```bash
178	# Create secret from command line
179	kubectl create secret generic myapp-secrets \
180	--from-literal=database-url='postgres://...' \
181	--from-file=tls.crt=cert.pem
182	```
183
184	## kubectl Commands
185
186	### Resource Management
187
188	```bash
189	# Apply configuration
190	kubectl apply -f deployment.yaml
191
192	# Get resources
193	kubectl get pods
194	kubectl get deployments
195	kubectl get services
196	kubectl get all -n myapp
197
198	# Describe resource
199	kubectl describe pod myapp-xxx
200
201	# Delete resource
202	kubectl delete -f deployment.yaml
203	kubectl delete pod myapp-xxx
204
205	# Edit resource
206	kubectl edit deployment myapp
207	```
208
209	### Debugging
210
211	```bash
212	# View logs
213	kubectl logs myapp-xxx
214	kubectl logs -f myapp-xxx --tail=100
215	kubectl logs myapp-xxx -c sidecar # specific container
216
217	# Execute command
218	kubectl exec -it myapp-xxx -- /bin/sh
219
220	# Port forward
221	kubectl port-forward svc/myapp 8080:80
222	kubectl port-forward pod/myapp-xxx 8080:8080
223
224	# View events
225	kubectl get events --sort-by='.lastTimestamp'
226
227	# Debug pod
228	kubectl debug myapp-xxx -it --image=busybox
229	```
230
231	### Scaling
232
233	```bash
234	# Manual scaling
235	kubectl scale deployment myapp --replicas=5
236
237	# Autoscaling
238	kubectl autoscale deployment myapp \
239	--min=2 --max=10 \
240	--cpu-percent=80
241	```
242
243	## Horizontal Pod Autoscaler
244
245	```yaml
246	apiVersion: autoscaling/v2
247	kind: HorizontalPodAutoscaler
248	metadata:
249	name: myapp
250	spec:
251	scaleTargetRef:
252	apiVersion: apps/v1
253	kind: Deployment
254	name: myapp
255	minReplicas: 2
256	maxReplicas: 10
257	metrics:
258	- type: Resource
259	resource:
260	name: cpu
261	target:
262	type: Utilization
263	averageUtilization: 80
264	- type: Resource
265	resource:
266	name: memory
267	target:
268	type: Utilization
269	averageUtiliz

People who liked this also viewed

6 picks

Type