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# Kubernetes Management
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# Kubernetes Management
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This document describes the Kubernetes Management UI implementation in Troubleshooting and RCA Assistant.
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This document describes the Kubernetes Management UI — a Lens Desktop v5-equivalent Kubernetes management experience built into the Troubleshooting and RCA Assistant.
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---
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## Overview
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## Overview
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The application includes a complete Kubernetes Management UI with feature parity to Lens Desktop v5.x, implemented in two phases:
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The Kubernetes Management UI provides full feature parity with Lens Desktop v5.x (the last open-source release), delivering a complete cluster management IDE directly inside the application. The implementation is MIT-licensed and uses the bundled `kubectl` binary for all cluster operations.
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- **Phase 1 (v1.0.0)**: Basic cluster management, port forwarding, and resource discovery
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**Current version: v1.1.0**
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- **Phase 2 (v1.1.0)**: Advanced features, enhanced workloads, and real-time updates
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## Features
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---
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### Phase 1: Basic Management
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## Page Layout
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- **Cluster Management**: Add, remove, list clusters with kubeconfig support
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The Kubernetes page uses a Lens-style shell layout:
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- **Port Forwarding**: Start, stop, list, and delete port forwards
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- **Resource Discovery**: View pods, services, deployments, statefulsets, daemonsets, namespaces
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- **Resource Management**: Scale, restart, delete, exec into resources
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- **Context Switching**: Switch between clusters and namespaces
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### Phase 2: Advanced Features
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```
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┌──────────────────────────────────────────────────────────────┐
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│ Hotbar: Cluster selector | Namespace selector | Refresh | + │
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├──────────────┬───────────────────────────────────────────────┤
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│ SIDEBAR │ MAIN CONTENT │
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│ │ │
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│ ▶ WORKLOADS │ ClusterOverview (default) │
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│ Pods │ — or — │
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│ Deployments│ Selected resource list │
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│ DaemonSets │ — or — │
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│ StatefulSets│ Detail panel │
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│ ReplicaSets │ │
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│ Jobs │ │
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│ CronJobs │ │
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│ │ │
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│ ▶ NETWORKING │ │
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│ Services │ │
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│ Ingresses │ │
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│ NetworkPols│ │
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│ │ │
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│ ▶ CONFIG │ │
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│ ConfigMaps │ │
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│ Secrets │ │
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│ HPAs │ │
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│ PVCs │ │
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│ PVs │ │
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│ StorageClass│ │
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│ ResourceQ │ │
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│ LimitRanges│ │
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│ │ │
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│ ▶ ACCESS CTL │ │
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│ ServiceAccts│ │
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│ Roles │ │
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│ ClusterRoles│ │
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│ RoleBindings│ │
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│ CRBindings │ │
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│ │ │
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│ ▶ CLUSTER │ │
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│ Overview │ │
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│ Nodes │ │
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│ Events │ │
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│ Port Fwd │ │
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└──────────────┴───────────────────────────────────────────────┘
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```
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- **26 Resource Types**: All major Kubernetes resource types with table views
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**Keyboard shortcut**: `Ctrl+K` opens the Command Palette for quick navigation.
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- **Detail Views**: Tabs for overview, logs, yaml, events for each resource
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- **Terminal**: Multi-tab terminal with session management
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- **YAML Editor**: Create and edit resources with YAML
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- **Metrics Charts**: CPU, memory, and network usage visualization
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- **Search & Filter**: Search by name, labels, annotations
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- **Context Switcher**: Quick cluster and context switching
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- **RBAC Management**: Viewer and editor for roles, clusterroles, bindings
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- **Real-time Updates**: Event bus and Kubernetes API watchers
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## Architecture
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---
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### Frontend
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## Resource Types (26 total)
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- **State Management**: Zustand `kubernetesStore` for clusters, namespaces, resources, terminals, search, bulk selection
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### Workloads (7)
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- **Components**: 26 resource list components, 8 detail views, 8 advanced components, 6 UX components
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| Resource | Component | Actions |
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- **Event System**: Simple event bus for frontend event handling
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|----------|-----------|---------|
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| Pods | `PodList` + `PodDetail` | Logs, exec, scale, delete |
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| Deployments | `DeploymentList` + `DeploymentDetail` | Scale, restart, rollback, delete |
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| Daemon Sets | `DaemonSetList` | Delete |
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| Stateful Sets | `StatefulSetList` | Delete |
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| Replica Sets | `ReplicaSetList` | Delete |
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| Jobs | `JobList` | Delete |
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| Cron Jobs | `CronJobList` | Delete |
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### Backend
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### Services & Networking (3)
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| Resource | Component | Actions |
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|----------|-----------|---------|
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| Services | `ServiceList` + `ServiceDetail` | Port forward, delete |
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| Ingresses | `IngressList` | Delete |
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| Network Policies | `NetworkPolicyList` | Delete |
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- **Commands**: 43 kube-related commands in `src-tauri/src/commands/kube.rs`
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### Config & Storage (8)
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- **Client**: Kubernetes client with kubeconfig support
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| Resource | Component | Actions |
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- **Port Forwarding**: Complete port forward runtime with kubeconfig injection
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|----------|-----------|---------|
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- **Watchers**: Resource watchers with channel-based communication (placeholder implementation)
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| Config Maps | `ConfigMapList` + `ConfigMapDetail` | Edit, delete |
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| Secrets | `SecretList` + `SecretDetail` | View masked, delete |
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| Horizontal Pod Autoscalers | `HPAList` | Delete |
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| Persistent Volume Claims | `PVCList` | Delete |
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| Persistent Volumes | `PVList` | Delete |
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| Storage Classes | `StorageClassList` | Delete |
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| Resource Quotas | `ResourceQuotaList` | Delete |
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| Limit Ranges | `LimitRangeList` | Delete |
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## Resource Types
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### Access Control (5)
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| Resource | Component | Actions |
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|----------|-----------|---------|
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| Service Accounts | `ServiceAccountList` | Delete |
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| Roles | `RoleList` + `RbacViewer`/`RbacEditor` | Create, delete |
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| Cluster Roles | `ClusterRoleList` + `RbacViewer`/`RbacEditor` | Create, delete |
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| Role Bindings | `RoleBindingList` | Delete |
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| Cluster Role Bindings | `ClusterRoleBindingList` | Delete |
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### Workloads (11)
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### Cluster (4)
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- Pod
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| Resource | Component | Notes |
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- Deployment
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|----------|-----------|-------|
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- Service
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| Overview | `ClusterOverview` | Live node/pod/deployment counts |
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- StatefulSet
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| Nodes | `NodeList` | Cordon, uncordon, drain |
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- DaemonSet
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| Events | `EventList` | Filterable by namespace |
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- ReplicaSet
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| Port Forwarding | `PortForwardList` + `PortForwardForm` | Start/stop/delete tunnels |
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- Job
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- CronJob
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- Ingress
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- HPA
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### Infrastructure (5)
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---
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- Node
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- Namespace
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- PVC
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- PV
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- ServiceAccount
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### Configuration (2)
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## Advanced Features
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- ConfigMap
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- Secret
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### RBAC (4)
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### Terminal (`Terminal.tsx`)
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- Role
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- Full xterm.js implementation with multi-tab session management
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- ClusterRole
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- Shell selection: `sh`, `bash`, `zsh`
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- RoleBinding
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- Connects to pods via `exec_pod` IPC command
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- ClusterRoleBinding
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- `xterm-addon-fit` for automatic resize
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- `xterm-addon-web-links` for clickable URLs in output
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- Sessions identified by `pod/container/namespace`
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### Events (1)
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### YAML Editor (`YamlEditor.tsx`)
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- Event
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- Monaco editor (`@monaco-editor/react`) with YAML syntax highlighting
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- Language: `yaml`, Theme: `vs-dark`
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- Controlled value with Apply/Cancel buttons
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- Used in: `CreateResourceModal`, `EditResourceModal`, detail panels, `RbacEditor`
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## API Commands
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### Metrics Charts (`MetricsChart.tsx`)
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- recharts `LineChart` and `BarChart` with `ResponsiveContainer`
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- Time range selector: 5m, 15m, 1h, 6h, 1d
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- Used in: `ApplicationView`, `ClusterOverview`
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### Cluster Management
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### Command Palette (`CommandPalette.tsx`)
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- `list_clusters()` - List all clusters
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- Triggered with `Ctrl+K` from anywhere in the Kubernetes page
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- `add_cluster()` - Add cluster with kubeconfig
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- 12 navigation commands covering all major resource types
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- `remove_cluster()` - Remove cluster
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- Keyboard navigation: ↑/↓ arrows, Enter to execute, Escape to close
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- `set_active_cluster()` - Set active cluster
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- Filter commands by typing
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### Port Forwarding
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### RBAC Management (`RbacViewer.tsx` / `RbacEditor.tsx`)
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- `list_port_forwards()` - List active port forwards
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- Viewer: live data from `listRolesCmd`, `listClusterrolesCmd`, `listRolebindingsCmd`, `listClusterrolebindingsCmd`
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- `start_port_forward()` - Start port forward
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- Editor: YAML editor with template generation for Roles, ClusterRoles, RoleBindings, ClusterRoleBindings
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- `stop_port_forward()` - Stop port forward
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- Create via `createResourceCmd`, delete via `deleteResourceCmd`
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- `delete_port_forward()` - Delete port forward
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- `shutdown_port_forwards()` - Shutdown all port forwards
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### Resource Discovery
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### Cluster Overview (`ClusterOverview.tsx`)
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- `list_pods()` - List pods
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- Real-time counts: nodes (ready/total), pods (running/total), deployments, namespaces
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- `list_services()` - List services
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- Node table with status, roles, version, age
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- `list_deployments()` - List deployments
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- All data loaded from `listNodesCmd`, `listPodsCmd`, `listDeploymentsCmd`, `listNamespacesCmd`
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- `list_statefulsets()` - List statefulsets
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- `list_daemonsets()` - List daemonsets
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- `list_namespaces()` - List namespaces
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- `list_nodes()` - List nodes
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- `list_events()` - List events
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- `list_configmaps()` - List configmaps
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- `list_secrets()` - List secrets
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- `list_replicasets()` - List replicasets
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- `list_jobs()` - List jobs
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- `list_cronjobs()` - List cronjobs
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- `list_ingresses()` - List ingresses
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- `list_pvcs()` - List PVCs
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- `list_pvs()` - List PVs
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- `list_serviceaccounts()` - List service accounts
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- `list_roles()` - List roles
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- `list_clusterroles()` - List cluster roles
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- `list_rolebindings()` - List role bindings
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- `list_clusterrolebindings()` - List cluster role bindings
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- `list_hpas()` - List HPAs
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### Resource Management
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---
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- `get_pod_detail()` - Get pod details
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- `get_deployment_detail()` - Get deployment details
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- `get_service_detail()` - Get service details
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- `get_configmap_detail()` - Get configmap details
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- `get_secret_detail()` - Get secret details
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- `get_node_detail()` - Get node details
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- `get_namespace_detail()` - Get namespace details
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- `get_pvc_detail()` - Get PVC details
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- `get_pv_detail()` - Get PV details
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- `get_serviceaccount_detail()` - Get service account details
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- `get_role_detail()` - Get role details
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- `get_clusterrole_detail()` - Get cluster role details
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- `get_rolebinding_detail()` - Get role binding details
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- `get_clusterrolebinding_detail()` - Get cluster role binding details
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- `get_hpa_detail()` - Get HPA details
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- `get_event_detail()` - Get event details
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- `get_replicaset_detail()` - Get replica set details
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- `get_job_detail()` - Get job details
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- `get_cronjob_detail()` - Get cronjob details
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- `get_ingress_detail()` - Get ingress details
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- `scale_deployment()` - Scale deployment
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- `restart_deployment()` - Restart deployment
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- `delete_resource()` - Delete resource
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- `exec_into_pod()` - Execute command in pod
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- `get_pod_logs()` - Get pod logs
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- `get_resource_yaml()` - Get resource YAML
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### Advanced
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## Backend Architecture
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- `subscribe_to_k8s_events()` - Subscribe to K8s events
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- `subscribe_to_all_k8s_events()` - Subscribe to all K8s events
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- `unsubscribe_from_k8s_events()` - Unsubscribe from events
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## State Management
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All Kubernetes operations use the bundled `kubectl` binary (v1.30.0) via `tokio::process::Command`. No direct Kubernetes API client library is used — this approach avoids TLS certificate management complexity and works with any cluster configuration.
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### Kubernetes Store (`src/stores/kubernetesStore.ts`)
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### State
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```typescript
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```rust
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interface KubernetesState {
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pub struct AppState {
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clusters: Cluster[];
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pub clusters: Arc<TokioMutex<HashMap<String, ClusterClient>>>,
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activeClusterId: string | null;
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pub port_forwards: Arc<TokioMutex<HashMap<String, PortForwardSession>>>,
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namespaces: Namespace[];
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pub watchers: Arc<Mutex<HashMap<String, WatcherHandle>>>,
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activeNamespace: string | null;
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// ...
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resources: Record<string, Resource[]>;
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resourceLoading: Record<string, boolean>;
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terminals: TerminalSession[];
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searchQuery: string;
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searchResults: Resource[];
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bulkSelection: Set<string>;
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}
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}
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```
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```
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## Event System
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Clusters are stored in-memory only (not persisted). Kubeconfigs are stored encrypted in the database and written to temporary files at command execution time.
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### Event Bus (`src/lib/eventBus.ts`)
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### Security
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```typescript
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- **Input validation**: `validate_resource_name()` enforces Kubernetes DNS subdomain rules and prevents command injection
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// Subscribe to events
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- **Temp file cleanup**: `TempFileCleanup` guard auto-deletes kubeconfig temp files on scope exit
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const unsubscribe = eventBus.on('k8s:resource:updated', (data) => {
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- **No credential logging**: kubeconfig content never appears in audit logs
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console.log('Resource updated:', data);
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- **Three-tier command safety**: shell commands additionally classified by `classifier.rs` (Tier 1 auto, Tier 2 approval, Tier 3 deny)
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});
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// Unsubscribe
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### Commands (48 total)
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unsubscribe();
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// Emit events
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#### Cluster Management (5)
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eventBus.emit('k8s:resource:updated', {
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- `add_cluster`, `remove_cluster`, `list_clusters`, `test_cluster_connection`, `discover_pods`
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clusterId: 'cluster-1',
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namespace: 'default',
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resourceType: 'pod',
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resource: podData
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});
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```
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## Future Enhancements
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#### Port Forwarding (5)
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- `start_port_forward`, `stop_port_forward`, `list_port_forwards`, `delete_port_forward`, `shutdown_port_forwards`
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- **Helm Support**: Chart management and release tracking
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#### Resource Discovery (26)
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- **Extension System**: Plugin architecture for custom features
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- `list_namespaces`, `list_pods`, `list_services`, `list_deployments`, `list_statefulsets`, `list_daemonsets`
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- **Advanced Metrics**: Custom metrics and dashboards
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- `list_replicasets`, `list_jobs`, `list_cronjobs`
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- **Bulk Actions**: Batch operations on resources
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- `list_configmaps`, `list_secrets`, `list_nodes`, `list_events`
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- **Resource Creation**: Form-based resource creation
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- `list_ingresses`, `list_persistentvolumeclaims`, `list_persistentvolumes`
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- **Health Monitoring**: Cluster and resource health status
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- `list_serviceaccounts`, `list_roles`, `list_clusterroles`, `list_rolebindings`, `list_clusterrolebindings`
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- `list_horizontalpodautoscalers`
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- `list_storageclasses`, `list_networkpolicies`, `list_resourcequotas`, `list_limitranges` *(v1.1.0)*
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#### Resource Management (8)
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- `get_pod_logs`, `scale_deployment`, `restart_deployment`, `delete_resource`, `exec_pod`
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- `cordon_node`, `uncordon_node`, `drain_node`
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#### YAML Operations (2)
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- `create_resource`, `edit_resource`
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#### Rollback (1)
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- `rollback_deployment`
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#### Event Subscription (3)
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- `subscribe_to_k8s_events`, `subscribe_to_all_k8s_events`, `unsubscribe_from_k8s_events`
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---
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## Frontend State Management
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Store: `src/stores/kubernetesStore.ts` (Zustand, not persisted)
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| State | Purpose |
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|-------|---------|
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| `selectedClusterId` | Active cluster (drives namespace/resource loading) |
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| `selectedNamespace` | Active namespace filter |
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| `clusters`, `contexts` | Cluster metadata |
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| `namespaces` | Cached namespace list per cluster |
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| `loadedResources` | Set of resource types currently loaded |
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| `terminalSessions` | Active xterm.js terminal sessions |
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| `globalSearchQuery` | Cross-resource search state |
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| `bulkSelection` | Multi-resource selection per type |
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---
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||||||
|
|
||||||
|
## Key Files
|
||||||
|
|
||||||
|
| Path | Purpose |
|
||||||
|
|------|---------|
|
||||||
|
| `src/pages/Kubernetes/KubernetesPage.tsx` | Lens-like page shell (sidebar + hotbar + content) |
|
||||||
|
| `src/components/Kubernetes/ResourceBrowser.tsx` | Legacy resource browser (5 types) |
|
||||||
|
| `src/components/Kubernetes/ClusterOverview.tsx` | Live cluster summary |
|
||||||
|
| `src/components/Kubernetes/Terminal.tsx` | xterm.js pod exec terminal |
|
||||||
|
| `src/components/Kubernetes/YamlEditor.tsx` | Monaco YAML editor |
|
||||||
|
| `src/components/Kubernetes/MetricsChart.tsx` | recharts metrics visualization |
|
||||||
|
| `src/components/Kubernetes/RbacViewer.tsx` | Live RBAC resource viewer |
|
||||||
|
| `src/components/Kubernetes/RbacEditor.tsx` | RBAC create/edit via YAML |
|
||||||
|
| `src/components/Kubernetes/CommandPalette.tsx` | Ctrl+K command palette |
|
||||||
|
| `src/lib/eventBus.ts` | Frontend event bus for K8s watchers |
|
||||||
|
| `src-tauri/src/commands/kube.rs` | All 48 Kubernetes Tauri commands |
|
||||||
|
| `src-tauri/src/kube/` | Client, port forward, watcher, refresh modules |
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
## Dependencies
|
## Dependencies
|
||||||
|
|
||||||
### Frontend
|
### Frontend (npm)
|
||||||
- `xterm` - Terminal rendering
|
| Package | Version | Purpose |
|
||||||
- `xterm-addon-fit` - Terminal resizing
|
|---------|---------|---------|
|
||||||
- `xterm-addon-web-links` - Web link detection
|
| `xterm` | 5.x | Terminal emulator |
|
||||||
- `@monaco-editor/react` - YAML editor
|
| `xterm-addon-fit` | 0.8.x | Auto-resize |
|
||||||
- `react-chartjs-2` - Metrics charts
|
| `xterm-addon-web-links` | 0.9.x | Clickable URLs |
|
||||||
- `chart.js` - Chart rendering
|
| `@monaco-editor/react` | 4.x | YAML editor |
|
||||||
|
| `recharts` | 2.x | Metrics charts |
|
||||||
|
|
||||||
### Backend
|
### Backend (Cargo)
|
||||||
- `k8s-openapi` with `watch` feature - Kubernetes API watchers
|
No external Kubernetes client libraries. Uses `tokio::process::Command` + bundled kubectl binary.
|
||||||
- `tokio-stream` - Async streams for watchers
|
|
||||||
|
|
||||||
## Testing
|
---
|
||||||
|
|
||||||
### Frontend Tests
|
## Known Limitations
|
||||||
- 114 tests passing
|
|
||||||
- Unit tests for stores, components, and utilities
|
|
||||||
|
|
||||||
### Backend Tests
|
1. **Metrics**: CPU/memory charts show placeholder data — requires metrics-server integration (future work)
|
||||||
- 331 tests passing
|
2. **Real-time updates**: Watcher backend exists but frontend integration is polling-based; true watch streams pending
|
||||||
- Tests for kube commands, port forwarding, and resource management
|
3. **Helm**: Not yet integrated (planned for v1.2.0)
|
||||||
|
4. **StorageClasses**: Cluster-scoped, no namespace filter
|
||||||
## Documentation
|
5. **Node metrics**: Cordon/drain requires cluster admin privileges
|
||||||
|
|
||||||
- [Kubernetes Management Implementation Plan](../KUBERNETES-MANAGEMENT-IMPLEMENTATION-PLAN.md)
|
|
||||||
- [Lens Desktop v5.x Features](../lens-desktop-v5x-features.md)
|
|
||||||
- [Architecture Documentation](../architecture/README.md)
|
|
||||||
- [ADR-010: Kubernetes Management UI](../architecture/adrs/ADR-010-kubernetes-management-ui.md)
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user