Deep Dive into Kubernetes Components
Comprehensive deep dives into Kubernetes core components, their roles, architecture, and best practices
Welcome to our comprehensive Kubernetes Deep Dive series. These guides provide detailed technical insights into Kubernetes components, their architecture, and internal workings.
Control Plane Components
API Server
- API Server Deep Dive: The central management point for the Kubernetes cluster
- Authentication and Authorization
- Admission Controllers
- API Extensions
- Performance Tuning
Controller Manager
- Controller Manager Deep Dive: Core controllers and reconciliation loops
- Built-in Controllers
- Custom Controllers
- Reconciliation Patterns
- High Availability
Scheduler
- Scheduler Deep Dive: Pod scheduling and placement decisions
- Scheduling Algorithms
- Resource Management
- Custom Schedulers
- Advanced Scheduling
etcd
- etcd Deep Dive: Distributed key-value store
- Data Storage
- Consistency Models
- Backup and Recovery
- Performance Optimization
Node Components
Kubelet
- Kubelet Deep Dive: Node agent and container management
- Container Lifecycle
- Volume Management
- Resource Management
- Node Health
Container Runtime
- Container Runtime Deep Dive: Container execution and management
- Runtime Interface
- Image Management
- Container Operations
- Security Features
Kube Proxy
- Kube Proxy Deep Dive: Network proxy and load balancing
- Service Implementation
- Proxy Modes
- Network Rules
- Performance Tuning
Networking Components
DNS (CoreDNS)
- CoreDNS Deep Dive: Service discovery and DNS resolution
- DNS Architecture
- Custom DNS Configuration
- Performance Optimization
- Troubleshooting
CSI Drivers
- CSI Driver Deep Dive: Storage integration and management
- Volume Lifecycle
- Storage Classes
- Volume Snapshots
- Storage Features
Cloud Controllers
- Cloud Controller Deep Dive: Cloud provider integration
- Load Balancers
- Storage Management
- Node Lifecycle
- Network Routes
Best Practices
High Availability
- Component redundancy
- Leader election
- Failure recovery
- Backup strategies
Performance
- Resource optimization
- Scaling considerations
- Monitoring setup
- Tuning guidelines
Security
- Authentication
- Authorization
- Network policies
- Security contexts
Monitoring
- Metrics collection
- Log aggregation
- Alerting
- Troubleshooting
Prerequisites
Before diving into these guides, you should have:
- Basic understanding of Kubernetes concepts
- Experience with kubectl and cluster operations
- Familiarity with container technologies
- Basic understanding of networking concepts