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4 minute read
Documentation Index
Overview
- General Architecture
- Gardener landing page
gardener.cloud - “Gardener, the Kubernetes Botanist” blog on kubernetes.io
- “Gardener Project Update” blog on kubernetes.io
Concepts
Usage
- Audit a Kubernetes cluster
- Auto-Scaling for shoot clusters
- Cleanup of Shoot clusters in deletion
containerdRegistry Configuration- Custom
containerdconfiguration - Custom
CoreDNSconfiguration - (Custom) CSI components
- Default Seccomp Profile
- DNS Autoscaling
- DNS Search Path Optimization
- Endpoints and Ports of a Shoot Control-Plane
- ETCD Encryption Config
- ExposureClasses
- Hibernate a Cluster
- IPv6 in Gardener Clusters
- Logging
NodeLocalDNSfeature- OpenIDConnect presets
- Projects
- Service Account Manager
- Readiness of Shoot Worker Nodes
- Reversed Cluster VPN
- Shoot Cluster Purposes
- Shoot Scheduling Profiles
- Shoot Credentials Rotation
- Shoot Kubernetes and Operating System Versioning
- Shoot
KUBERNETES_SERVICE_HOSTEnvironment Variable Injection - Shoot Networking
- Shoot Maintenance
- Shoot
ServiceAccountConfigurations - Shoot Status
- Shoot Info
ConfigMap - Shoot Updates and Upgrades
- Shoot HA Control Plane
- Shoot HA Best Practices
- Shoot Workers Settings
- Accessing Shoot Clusters
- Supported Kubernetes versions
- Tolerations
- Trigger shoot operations
- Trusted TLS certificate for shoot control planes
- Trusted TLS certificate for garden runtime cluster
- Controlling the Kubernetes versions for specific worker pools
- Admission Configuration for the
PodSecurityAdmission Plugin - Supported CPU Architectures for Shoot Worker Nodes
- Workerless
Shoots
API Reference
authentication.gardener.cloudAPI Groupcore.gardener.cloudAPI Groupextensions.gardener.cloudAPI Groupoperations.gardener.cloudAPI Groupresources.gardener.cloudAPI Groupseedmanagement.gardener.cloudAPI Groupsettings.gardener.cloudAPI Group
Proposals
- GEP: Gardener Enhancement Proposal Description
- GEP: Template
- GEP-1: Gardener extensibility and extraction of cloud-specific/OS-specific knowledge
- GEP-2:
BackupInfrastructureCRD and Controller Redesign - GEP-3: Network extensibility
- GEP-4: New
core.gardener.cloud/v1beta1APIs required to extract cloud-specific/OS-specific knowledge out of Gardener core - GEP-5: Gardener Versioning Policy
- GEP-6: Integrating etcd-druid with Gardener
- GEP-7: Shoot Control Plane Migration
- GEP-8: SNI Passthrough proxy for kube-apiservers
- GEP-9: Gardener integration test framework
- GEP-10: Support additional container runtimes
- GEP-11: Utilize API Server Network Proxy to Invert Seed-to-Shoot Connectivity
- GEP-12: OIDC Webhook Authenticator
- GEP-13: Automated Seed Management
- GEP-14: Reversed Cluster VPN
- GEP-15: Manage Bastions and SSH Key Pair Rotation
- GEP-16: Dynamic kubeconfig generation for Shoot clusters
- GEP-17: Shoot Control Plane Migration “Bad Case” Scenario
- GEP-18: Automated Shoot CA Rotation
- GEP-19: Observability Stack - Migrating to the prometheus-operator and fluent-bit operator
- GEP-20: Highly Available Shoot Control Planes
- GEP-21: IPv6 Single-Stack Support in Local Gardener
- GEP-22: Improved Usage of the
ShootStateAPI - GEP-23: Autoscaling Shoot kube-apiserver via Independently Driven HPA and VPA
- GEP-24: Shoot OIDC Issuer
- GEP-25: Namespaced Cloud Profiles
- GEP-26: Workload Identity - Trust Based Authentication
Development
- Getting started locally (using the local provider)
- Setting up a development environment (using a cloud provider)
- Testing (Unit, Integration, E2E Tests)
- Test Machinery Tests
- Dependency Management
- Kubernetes Clients in Gardener
- Logging in Gardener Components
- Changing the API
- Secrets Management for Seed and Shoot Clusters
- Releases, Features, Hotfixes
- Adding New Cloud Providers
- Adding Support For A New Kubernetes Version
- Extending the Monitoring Stack
- How to create log parser for container into fluent-bit
PriorityClassesin Gardener Clusters- High Availability Of Deployed Components
- Checklist For Adding New Components
- Defaulting Strategy and Developer Guideline
Extensions
- Extensibility overview
- Extension controller registration
Clusterresource- Extension points
- General conventions
- Trigger for reconcile operations
- Deploy resources into the shoot cluster
- Shoot resource customization webhooks
- Logging and monitoring for extensions
- Contributing to shoot health status conditions
- CA Rotation in Extensions
- Blob storage providers
- DNS providers
- IaaS/Cloud providers
- Network plugin providers
- Operating systems
- Container runtimes
- Generic (non-essential) extensions
- Extension Admission
- Heartbeat controller
- Provider Local
- Access to the Garden Cluster
- Control plane migration
- Force Deletion
- Extending project roles
- Referenced resources
Deployment
- Getting started locally
- Getting started locally with extensions
- Setup Gardener on a Kubernetes cluster
- Version Skew Policy
- Deploying Gardenlets
- Overwrite image vector
- Migration from Gardener
v0tov1 - Feature Gates in Gardener
- Configuring the Logging stack
- SecretBinding Provider Controller
Operations
- Gardener configuration and usage
- Control Plane Migration
- Istio
- Register Shoot as Seed
NetworkPolicys In Garden, Seed, Shoot Clusters- Seed Bootstrapping
- Seed Settings
- Topology-Aware Traffic Routing