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npx skills add https://github.com/pluginagentmarketplace/custom-plugin-kubernetes --skill deploymentsيبقى الأمر في سطر واحد. مرّر أفقيًا لمراجعته كاملًا قبل النسخ.
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pluginagentmarketplace/custom-plugin-kubernetes
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name deployments description Master Kubernetes Deployments, StatefulSets, DaemonSets, and workload orchestration. Learn deployment patterns and container orchestration strategies. sasmp_version 1.3.0 eqhm_enabled true bonded_agent 03-deployment-orchestration bond_type PRIMARY_BOND capabilities ["Deployment strategies","Rolling updates","StatefulSet management","DaemonSet operations","Job/CronJob scheduling","Pod lifecycle","Resource management","Autoscaling"] input_schema {"type":"object","properties":{"action":{"type":"string","enum":["deploy","rollout","scale","rollback","status"]},"workload_type":{"type":"string","enum":["Deployment","StatefulSet","DaemonSet","Job","CronJob"]},"strategy":{"type":"string","enum":["RollingUpdate","Recreate","Canary","BlueGreen"]}}} output_schema {"type":"object","properties":{"status":{"type":"string"},"replicas":{"type":"object"},"rollout_history":{"type":"array"}}}
Kubernetes Deployments
Executive Summary
Production-grade workload orchestration covering all Kubernetes workload types with deployment strategies, lifecycle management, and autoscaling patterns. This skill provides deep expertise in managing stateless and stateful applications at enterprise scale with zero-downtime deployments.
Core Competencies
1. Production Deployment Configuration
Enterprise-Grade Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
name: api-server
namespace: production
labels:
app.kubernetes.io/name: api-server
app.kubernetes.io/version: "2.1.0"
app.kubernetes.io/component: backend
app.kubernetes.io/part-of: ecommerce
spec:
replicas: 3
revisionHistoryLimit: 5
progressDeadlineSeconds: 600
strategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: 0
maxSurge: 1
selector:
matchLabels:
app.kubernetes.io/name: api-server
template:
metadata:
labels:
app.kubernetes.io/name: api-server
annotations:
prometheus.io/scrape: "true"
prometheus.io/port:
"8080"
spec:
serviceAccountName:
api-server
securityContext:
runAsNonRoot:
true
runAsUser:
10000
fsGroup:
10000
seccompProfile:
type:
RuntimeDefault
terminationGracePeriodSeconds:
60
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
-
weight:
100
podAffinityTerm:
labelSelector:
matchLabels:
app.kubernetes.io/name:
api-server
topologyKey:
topology.kubernetes.io/zone
topologySpreadConstraints:
-
maxSkew:
1
topologyKey:
topology.kubernetes.io/zone
whenUnsatisfiable:
DoNotSchedule
labelSelector:
matchLabels:
app.kubernetes.io/name:
api-server
containers:
-
name:
api-server
image:
myregistry.io/api-server:2.1.0@sha256:abc123
imagePullPolicy:
IfNotPresent
ports:
-
name:
http
containerPort:
8080
env:
-
name:
POD_NAME
valueFrom:
fieldRef:
fieldPath:
metadata.name
resources:
requests:
cpu:
250m
memory:
512Mi
limits:
cpu:
1000m
memory:
1Gi
securityContext:
allowPrivilegeEscalation:
false
readOnlyRootFilesystem:
true
capabilities:
drop:
"ALL"
readinessProbe:
httpGet:
path:
/health/ready
port:
http
initialDelaySeconds:
5
periodSeconds:
10
livenessProbe:
httpGet:
path:
/health/live
port:
http
initialDelaySeconds:
15
periodSeconds:
20
startupProbe:
httpGet:
path:
/health/startup
port:
http
failureThreshold:
30
periodSeconds:
5
lifecycle:
preStop:
exec:
command:
"/bin/sh"
"-c"
"sleep 10"
volumeMounts:
-
name:
tmp
mountPath:
/tmp
volumes:
-
name:
tmp
emptyDir:
2. Deployment Strategies ┌─────────────────┬───────────────┬───────────────┬─────────────────┐
│ Strategy │ Downtime │ Resource Cost │ Rollback Speed │
├─────────────────┼───────────────┼───────────────┼─────────────────┤
│ Rolling Update │ Zero │ 1x + surge │ Medium │
│ Recreate │ Yes │ 1x │ N/A │
│ Blue-Green │ Zero │ 2x │ Instant │
│ Canary │ Zero │ 1.x │ Fast │
└─────────────────┴───────────────┴───────────────┴─────────────────┘
Canary with Argo Rollouts
apiVersion: argoproj.io/v1alpha1
kind: Rollout
metadata:
name: api-server
spec:
replicas: 10
selector:
matchLabels:
app: api-server
template:
spec:
containers:
- name: api-server
image: myregistry.io/api-server:2.1.0
strategy:
canary:
steps:
- setWeight: 5
- pause: {duration: 5m }
- setWeight: 20
- pause: {duration: 10m }
- setWeight: 50
- pause: {duration: 10m }
analysis:
templates:
- templateName: success-rate
3. StatefulSet for Databases apiVersion: apps/v1
kind: StatefulSet
metadata:
name: postgresql
namespace: database
spec:
serviceName: postgresql
replicas: 3
podManagementPolicy: OrderedReady
updateStrategy:
type: RollingUpdate
selector:
matchLabels:
app: postgresql
template:
metadata:
labels:
app: postgresql
spec:
securityContext:
runAsNonRoot: true
runAsUser: 999
fsGroup: 999
containers:
- name: postgresql
image: postgres:16-alpine
ports:
- containerPort: 5432
env:
- name: POSTGRES_DB
value: "appdb"
- name: PGDATA
value: /var/lib/postgresql/data/pgdata
resources:
requests:
cpu: 500m
memory: 1Gi
limits:
cpu: 2000m
memory: 4Gi
readinessProbe:
exec:
command: ["pg_isready" , "-U" , "postgres" ]
initialDelaySeconds: 5
periodSeconds: 10
volumeMounts:
- name: data
mountPath: /var/lib/postgresql/data
volumeClaimTemplates:
- metadata:
name: data
spec:
accessModes: ["ReadWriteOnce" ]
storageClassName: fast-ssd
resources:
requests:
storage: 100Gi
4. DaemonSet for Node Services apiVersion: apps/v1
kind: DaemonSet
metadata:
name: fluent-bit
namespace: logging
spec:
selector:
matchLabels:
app: fluent-bit
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: 1
template:
metadata:
labels:
app: fluent-bit
spec:
serviceAccountName: fluent-bit
tolerations:
- operator: Exists
priorityClassName: system-node-critical
containers:
- name: fluent-bit
image: fluent/fluent-bit:2.2
resources:
requests:
cpu: 50m
memory: 64Mi
limits:
cpu: 200m
memory: 256Mi
volumeMounts:
- name: varlog
mountPath: /var/log
readOnly: true
volumes:
- name: varlog
hostPath:
path: /var/log
5. Horizontal Pod Autoscaling apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: api-server
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: api-server
minReplicas: 3
maxReplicas: 50
behavior:
scaleDown:
stabilizationWindowSeconds: 300
policies:
- type: Percent
value: 10
periodSeconds: 60
scaleUp:
stabilizationWindowSeconds: 0
policies:
- type: Percent
value: 100
periodSeconds: 15
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: 70
- type: Pods
pods:
metric:
name: http_requests_per_second
target:
type: AverageValue
averageValue: 1000
6. Pod Disruption Budget apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
name: api-server-pdb
spec:
minAvailable: 2
selector:
matchLabels:
app.kubernetes.io/name: api-server
Integration Patterns
Uses skill: cluster-admin
Resource quota management
Node scheduling policies
Coordinates with skill: storage-networking
PersistentVolume provisioning
Service discovery
Works with skill: monitoring
Deployment metrics
Rollout monitoring
Troubleshooting Guide
Decision Tree: Deployment Issues Deployment Problem?
│
├── Pods not starting
│ ├── ImagePullBackOff → Check image/registry
│ ├── CrashLoopBackOff → Check logs, limits
│ ├── Pending → Check resources, affinity
│ └── ContainerCreating → Check volumes
│
├── Rollout stuck
│ ├── Check: progressDeadlineSeconds
│ ├── Verify: PDB not blocking
│ └── Check: probe configuration
│
└── Scaling issues
├── Check: HPA status
├── Verify: metrics-server
└── Check: resource requests
Debug Commands
kubectl get deployments -o wide
kubectl rollout status deployment/api-server
kubectl rollout history deployment/api-server
kubectl describe pod <pod-name>
kubectl logs <pod-name> --previous
kubectl scale deployment/api-server --replicas=5
kubectl rollout undo deployment/api-server --to-revision=2
Common Challenges & Solutions Challenge Solution Slow rollouts Increase maxSurge Pod evictions Configure PDB ImagePullBackOff Check registry auth CrashLoopBackOff Check logs, limits HPA flapping Increase stabilization
Success Criteria Metric Target Deployment success 99.9% Rollout duration <10 min Pod availability 99.99% Zero-downtime 100%
Resources 