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Scripts

get-coreos

Run the get-coreos script to download CoreOS Container Linux images, verify them, and move them into examples/assets.

./scripts/get-coreos
./scripts/get-coreos channel version

This will create:

examples/assets/
└── coreos
    └── 1153.0.0
        ├── CoreOS_Image_Signing_Key.asc
        ├── coreos_production_image.bin.bz2
        ├── coreos_production_image.bin.bz2.sig
        ├── coreos_production_pxe_image.cpio.gz
        ├── coreos_production_pxe_image.cpio.gz.sig
        ├── coreos_production_pxe.vmlinuz
        └── coreos_production_pxe.vmlinuz.sig

libvirt

Create QEMU/KVM VMs which are configured to boot from the network. The scripts/libvirt script will create virtual machines on the metal0 or docker0 bridge with known hardware attributes (e.g. UUID, MAC address).

$ sudo ./scripts/libvirt
USAGE: libvirt <command>
Commands:
    create      create QEMU/KVM nodes on the docker0 bridge
    start       start the QEMU/KVM nodes
    reboot      reboot the QEMU/KVM nodes
    shutdown    shutdown the QEMU/KVM nodes
    poweroff    poweroff the QEMU/KVM nodes
    destroy     destroy the QEMU/KVM nodes

k8s-certgen

Generate TLS certificates needed for a multi-node Kubernetes cluster. See the examples.

$ ./scripts/tls/k8s-certgen -h
Usage: k8s-certgen
Options:
  -d DEST     Destination for generated files (default: .examples/assets/tls)
  -s SERVER   Reachable Server IP for kubeconfig (e.g. node1.example.com)
  -m MASTERS  Controller Node Names/Addresses in SAN format (e.g. IP.1=10.3.0.1,DNS.1=node1.example.com)
  -w WORKERS  Worker Node Names/Addresses in SAN format (e.g. DNS.1=node2.example.com,DNS.2=node3.example.com)
  -h          Show help