
kcli
by karmab
Management tool for virtualization and kubernetes platforms
SKILL.md
name: kcli description: Comprehensive guide for kcli usage. Use when creating VMs, deploying plans, managing clusters, or performing any kcli operations. Covers all common user workflows.
kcli User Guide
kcli is a unified CLI for managing virtual infrastructure across multiple providers (Libvirt/KVM, AWS, GCP, Azure, vSphere, KubeVirt, OpenStack, oVirt, Proxmox, Hetzner, IBM Cloud).
Quick Reference
# VM Operations
kcli create vm -i <image> <name> # Create VM
kcli list vm # List VMs
kcli ssh <name> # SSH into VM
kcli console <name> # Graphical console
kcli start/stop/restart vm <name> # Control VM state
kcli delete vm <name> # Delete VM
# Plans (Infrastructure as Code)
kcli create plan -f plan.yml <name> # Deploy plan
kcli list plan # List plans
kcli delete plan <name> # Delete plan and resources
# Kubernetes Clusters
kcli create kube <type> <name> # Deploy cluster
kcli list kube # List clusters
kcli delete kube <name> # Delete cluster
# Images
kcli list available-images # Show downloadable images
kcli download image <name> # Download cloud image
kcli list image # List local images
# Infrastructure
kcli list network / pool / host # List resources
kcli create network -c <cidr> <name> # Create network
kcli create pool -p <path> <name> # Create storage pool
Creating VMs
Basic VM Creation
# From cloud image (downloads if needed)
kcli create vm -i fedora40 myvm
# Shorthand (kcli remembers last VM)
kcli ssh # SSH to last created VM
With Custom Resources
kcli create vm -i centos9stream \
-P memory=4096 \
-P numcpus=4 \
-P disks=[20,50] \
myvm
Common VM Parameters
| Parameter | Default | Description |
|---|---|---|
numcpus | 2 | Number of CPUs |
memory | 512 | Memory in MB |
disks | [10] | Disk sizes in GB |
nets | [default] | Networks to attach |
pool | default | Storage pool |
cloudinit | true | Enable cloud-init |
start | true | Start VM after creation |
keys | [] | SSH public keys to inject |
cmds | [] | Commands to run at boot |
files | [] | Files to inject |
Advanced VM Examples
# With static IP
kcli create vm -i centos9stream \
-P nets=['{"name":"default","ip":"192.168.122.100"}'] \
myvm
# With post-boot commands
kcli create vm -i fedora40 \
-P cmds=['dnf -y install nginx','systemctl enable --now nginx'] \
webserver
# From profile
kcli create vm -p myprofile myvm
# Multiple disks with options
kcli create vm -i ubuntu2204 \
-P disks=['{"size":20}','{"size":100,"pool":"data"}'] \
myvm
VM Management
# List VMs
kcli list vm # Table format
kcli list vm -o yaml # YAML output
kcli list vm -o json # JSON output
# VM Information
kcli info vm myvm # Full details
kcli info vm myvm -f ip # Just IP address
# State Control
kcli start vm myvm
kcli stop vm myvm
kcli restart vm myvm
# Access
kcli ssh myvm # SSH as default user
kcli ssh -u root myvm # SSH as root
kcli console myvm # VNC/SPICE console
kcli console myvm --serial # Serial console
# Modify
kcli update vm myvm -P memory=8192 # Change memory
kcli update vm myvm -P numcpus=8 # Change CPUs
kcli create disk -s 50 myvm # Add 50GB disk
# Snapshots
kcli create snapshot myvm snap1
kcli list snapshot myvm
kcli revert snapshot myvm snap1
kcli delete snapshot myvm snap1
# Delete
kcli delete vm myvm # With confirmation
kcli delete vm myvm --yes # Skip confirmation
Plans (Infrastructure as Code)
Plans are YAML files with Jinja2 templating for deploying complete environments.
Basic Plan Structure
# myplan.yml
parameters:
base_image: centos9stream
domain: lab.local
# Network (created first)
labnet:
type: network
cidr: 192.168.100.0/24
dhcp: true
# VM (uses the network)
webserver:
image: {{ base_image }}
memory: 2048
numcpus: 2
nets:
- labnet
cmds:
- dnf -y install nginx
- systemctl enable --now nginx
Plan Commands
# Deploy
kcli create plan -f myplan.yml myplan
# Deploy with parameter overrides
kcli create plan -f myplan.yml -P base_image=fedora40 myplan
# List and manage
kcli list plan
kcli info plan myplan
kcli delete plan myplan # Deletes all resources
# Update existing plan
kcli update plan -f myplan.yml myplan
Multi-VM Plan with Loop
parameters:
cluster_name: web
node_count: 3
{% for i in range(node_count) %}
{{ cluster_name }}-node-{{ i }}:
image: centos9stream
memory: 2048
nets:
- default
{% endfor %}
Resource Types in Plans
| Type | Description |
|---|---|
| (none) | VM (default if no type specified) |
network | Virtual network |
pool | Storage pool |
image | Download image from URL |
profile | Reusable VM template |
container | Container workload |
kube | Kubernetes cluster |
Kubernetes Clusters
Supported Types
generic/kubeadm- Standard Kubernetesopenshift/okd- OpenShiftk3s- Lightweight K3srke2- Rancher RKE2microshift- Edge MicroShifthypershift- Hosted control planesaks/eks/gke- Cloud managed
Deploy Clusters
# Generic Kubernetes
kcli create kube generic -P ctlplanes=1 -P workers=2 myk8s
# K3s (lightweight)
kcli create kube k3s -P ctlplanes=1 -P workers=2 myk3s
# OpenShift (requires pull secret)
kcli create kube openshift \
-P pull_secret=~/pull-secret.json \
-P ctlplanes=3 \
-P workers=2 \
myocp
Cluster Management
# List clusters
kcli list kube
# Get kubeconfig
kcli get kubeconfig mycluster
export KUBECONFIG=~/.kcli/clusters/mycluster/kubeconfig
# Scale workers
kcli scale kube generic -P workers=5 mycluster
# Delete
kcli delete kube mycluster
Images
# List available cloud images
kcli list available-images
# Download image
kcli download image fedora40
kcli download image centos9stream
kcli download image ubuntu2204
# List downloaded images
kcli list image
# Delete image
kcli delete image fedora40
Common images: fedora40, centos9stream, ubuntu2204, rhel9, debian12, rocky9, almalinux9
Networks and Storage
Networks
# Create network
kcli create network -c 192.168.100.0/24 mynet
kcli create network -c 10.0.0.0/24 --dhcp --nat privatenet
# List and delete
kcli list network
kcli info network mynet
kcli delete network mynet
Storage Pools
# Create pool
kcli create pool -p /var/lib/libvirt/images default
kcli create pool -p /home/vms myvms
# List and delete
kcli list pool
kcli delete pool myvms
Provider/Client Management
# List configured clients
kcli list client
# Switch default client
kcli switch mykvm
# Use specific client for command
kcli -C aws list vm
kcli -C gcp create vm -i ubuntu2204 myvm
# List VMs from all clients
kcli -C all list vm
# Host information
kcli info host
kcli list host
Profiles
Profiles are reusable VM templates defined in ~/.kcli/profiles.yml:
# ~/.kcli/profiles.yml
small:
numcpus: 1
memory: 1024
disks:
- 10
webserver:
image: centos9stream
numcpus: 2
memory: 4096
cmds:
- dnf -y install nginx
- systemctl enable --now nginx
Usage:
kcli create vm -p webserver myweb
Debug and Troubleshooting
# Debug mode (verbose output)
kcli -d create vm -i fedora40 myvm
kcli -d list vm
# Check VM details
kcli info vm myvm
# Check cloud-init logs (after SSH)
kcli ssh myvm
cat /var/log/cloud-init.log
# Verify provider connectivity
kcli list host
kcli info host
Common Issues
No IP address: Check DHCP on network, wait for cloud-init
kcli info network default
SSH fails: Verify key injection worked
kcli ssh -l myvm # Show SSH command
Permission denied (libvirt): Add user to groups
sudo usermod -aG qemu,libvirt $(id -un)
newgrp libvirt
Configuration Files
~/.kcli/
├── config.yml # Client/provider configuration
├── profiles.yml # VM profiles
├── id_rsa # SSH private key (auto-used)
└── clusters/ # Cluster state files
Minimal config.yml
default:
client: local
local:
type: kvm
host: 127.0.0.1
pool: default
Container Mode
Run kcli without installation:
# With libvirt socket
alias kcli='podman run --rm -it \
-v ~/.kcli:/root/.kcli:z \
-v /var/run/libvirt:/var/run/libvirt:z \
quay.io/karmab/kcli'
# Then use normally
kcli list vm
Useful Tips
-
Last VM shortcut: Many commands work without VM name (uses last created)
kcli ssh # SSH to last VM kcli console # Console of last VM -
Output formats: Most list commands support
-o yamlor-o json -
Parameter files: Use
kcli_parameters.ymlalongside plans for defaults -
Render plans: Preview templated plans before deploying
kcli render -f myplan.yml -
Export VMs: Create images from running VMs
kcli export vm myvm
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