Cluster API lifecycle management for provisioning, scaling, and upgrading Kubernetes clusters. Use when managing cluster infrastructure or multi-cluster operations.
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Manage Kubernetes clusters using kubectl-mcp-server's Cluster API tools (11 tools).
Use this skill when:
| Priority | Rule | Impact | Tools |
|---|---|---|---|
| 1 | Detect CAPI installation first | CRITICAL | capi_detect_tool |
| 2 | Check cluster phase before operations | HIGH | capi_cluster_get_tool |
| 3 | Monitor machines during scaling | HIGH | capi_machines_list_tool |
| 4 | Get kubeconfig after provisioning | MEDIUM | capi_cluster_kubeconfig_tool |
| Task | Tool | Example |
|---|---|---|
| Detect CAPI | capi_detect_tool | capi_detect_tool() |
| List clusters | capi_clusters_list_tool | capi_clusters_list_tool(namespace) |
| Get cluster kubeconfig | capi_cluster_kubeconfig_tool | capi_cluster_kubeconfig_tool(name, namespace) |
| Scale workers | capi_machinedeployment_scale_tool | capi_machinedeployment_scale_tool(name, namespace, replicas) |
capi_detect_tool()
# List all CAPI clusters
capi_clusters_list_tool(namespace="default")
# Shows:
# - Cluster name
# - Phase (Provisioning, Provisioned, Deleting)
# - Infrastructure ready
# - Control plane ready
capi_cluster_get_tool(name="my-cluster", namespace="default")
# Shows:
# - Spec (control plane, infrastructure)
# - Status (phase, conditions)
# - Network configuration
# Get kubeconfig for workload cluster
capi_cluster_kubeconfig_tool(name="my-cluster", namespace="default")
# Returns kubeconfig to access the cluster
capi_machines_list_tool(namespace="default")
# Shows:
# - Machine name
# - Cluster
# - Phase (Running, Provisioning, Failed)
# - Provider ID
# - Version
capi_machine_get_tool(name="my-cluster-md-0-xxx", namespace="default")
capi_machinedeployments_list_tool(namespace="default")
# Shows:
# - Deployment name
# - Cluster
# - Replicas (ready/total)
# - Version
# Scale worker nodes
capi_machinedeployment_scale_tool(
name="my-cluster-md-0",
namespace="default",
replicas=5
)
capi_machinesets_list_tool(namespace="default")
capi_machinehealthchecks_list_tool(namespace="default")
# Health checks automatically remediate unhealthy machines
# List cluster templates
capi_clusterclasses_list_tool(namespace="default")
# ClusterClasses define reusable cluster configurations
kubectl_apply(manifest="""
apiVersion: cluster.x-k8s.io/v1beta1
kind: Cluster
metadata:
name: my-cluster
namespace: default
spec:
clusterNetwork:
pods:
cidrBlocks:
- 192.168.0.0/16
services:
cidrBlocks:
- 10.96.0.0/12
controlPlaneRef:
apiVersion: controlplane.cluster.x-k8s.io/v1beta1
kind: KubeadmControlPlane
name: my-cluster-control-plane
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: AWSCluster
name: my-cluster
""")
kubectl_apply(manifest="""
apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineDeployment
metadata:
name: my-cluster-md-0
namespace: default
spec:
clusterName: my-cluster
replicas: 3
selector:
matchLabels:
cluster.x-k8s.io/cluster-name: my-cluster
template:
spec:
clusterName: my-cluster
version: v1.28.0
bootstrap:
configRef:
apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
kind: KubeadmConfigTemplate
name: my-cluster-md-0
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: AWSMachineTemplate
name: my-cluster-md-0
""")
1. kubectl_apply(cluster_manifest)
2. capi_clusters_list_tool(namespace) # Wait for Provisioned
3. capi_cluster_kubeconfig_tool(name, namespace) # Get access
1. capi_machinedeployments_list_tool(namespace)
2. capi_machinedeployment_scale_tool(name, namespace, replicas)
3. capi_machines_list_tool(namespace) # Monitor
1. # Update control plane version
2. # Update machine deployment version
3. capi_machines_list_tool(namespace) # Monitor rollout
1. capi_cluster_get_tool(name, namespace) # Check conditions
2. capi_machines_list_tool(namespace) # Check machine status
3. get_events(namespace) # Check events
4. # Check infrastructure provider logs
1. capi_machine_get_tool(name, namespace)
2. get_events(namespace)
3. # Common issues:
# - Cloud provider quota
# - Invalid machine template
# - Network issues
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