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da0df01763
* Refactor examples to boot provision minimal hosts with Fedora CoreOS or Flatcar Linux * Remove the etcd3 cluster example or other specific kinds of hosts * Update script get-fedora-coreos * Remove script get-coreos
74 lines
2.4 KiB
Markdown
74 lines
2.4 KiB
Markdown
# Scripts
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## get-fedora-coreos
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Run the `get-fedora-coreos` script to download Fedora CoreOS images, verify them, and move them into `examples/assets`.
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```
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./scripts/get-fedora-coreos
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./scripts/get-fedora-coreos stream version dest
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```
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This will create:
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```
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examples/assets/fedora-coreos/
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├── fedora-coreos-32.20200923.3.0-live-initramfs.x86_64.img
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├── fedora-coreos-32.20200923.3.0-live-kernel-x86_64
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├── fedora-coreos-32.20200923.3.0-live-rootfs.x86_64.img
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├── fedora-coreos-32.20200923.3.0-metal.x86_64.raw.xz
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└── fedora-coreos-32.20200923.3.0-metal.x86_64.raw.xz.sig
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```
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## get-flatcar
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Run the `get-flatcar` script to download Flatcar Linux images, verify them, and move them into `examples/assets`.
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```
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./scripts/get-flatcar
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./scripts/get-flatcar channel version dest
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```
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This will create:
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```
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examples/assets/flatcar/
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└── 2605.6.0
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├── Flatcar_Image_Signing_Key.asc
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├── flatcar_production_image.bin.bz2
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├── flatcar_production_image.bin.bz2.sig
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├── flatcar_production_pxe_image.cpio.gz
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├── flatcar_production_pxe_image.cpio.gz.sig
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├── flatcar_production_pxe.vmlinuz
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├── flatcar_production_pxe.vmlinuz.sig
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└── version.txt
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```
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## libvirt
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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).
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$ sudo ./scripts/libvirt
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USAGE: libvirt <command>
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Commands:
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create create QEMU/KVM nodes on the docker0 bridge
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start start the QEMU/KVM nodes
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reboot reboot the QEMU/KVM nodes
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shutdown shutdown the QEMU/KVM nodes
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poweroff poweroff the QEMU/KVM nodes
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destroy destroy the QEMU/KVM nodes
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## k8s-certgen
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Generate TLS certificates needed for a multi-node Kubernetes cluster. See the [examples](../examples/README.md#assets).
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$ ./scripts/tls/k8s-certgen -h
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Usage: k8s-certgen
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Options:
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-d DEST Destination for generated files (default: .examples/assets/tls)
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-s SERVER Reachable Server IP for kubeconfig (e.g. node1.example.com)
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-m MASTERS Controller Node Names/Addresses in SAN format (e.g. IP.1=10.3.0.1,DNS.1=node1.example.com)
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-w WORKERS Worker Node Names/Addresses in SAN format (e.g. DNS.1=node2.example.com,DNS.2=node3.example.com)
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-h Show help
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