Add libvirt helpers
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46
virt-install/cmd.sh
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46
virt-install/cmd.sh
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# sudo dnf install -y guestfs-tools
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# sudo dnf install virt-viewer ??
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qemu-img create -f qcow2 -o preallocation=metadata test.qcow2 100G
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virt-resize --expand /dev/sda3 /home/ncox/Downloads/rhel-guest-image-8.4-1269.x86_64.qcow2 ./test.qcow2
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# Run under sudo - won't work as a user mode install
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sudo virt-install \
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--os-variant rhel8.4 \
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--name test \
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--memory 2048 \
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--disk ./test.qcow2 \
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--import \
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--graphics spice,listen=0.0.0.0 \
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--video virtio \
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--channel spicevmc \
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--wait 0 \
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--cloud-init meta-data=./meta-data,user-data=./user-data \
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--network \
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--network
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--network br0 \
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--extra-args "ip=192.168.1.2::192.168.1.1:255.255.255.0:test.example.com:eth0:none"
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[root@rhel-8 ~]# virt-install
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--name centos8-2 --memory 10240 --vcpus=2
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--cdrom=/tmp/rhel-server-7.6-x86_64-dvd.iso
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--disk path=/disks/centos8-2.qcow2,size=20,format=qcow2
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--network bridge=nm-bridge --graphics=vnc -v
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Starting install...
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54
virt-install/create_aio_vm.py
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54
virt-install/create_aio_vm.py
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import argparse
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import pathlib
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import subprocess
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MD_PATH = "./meta-data"
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UD_PATH = "./user-data"
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def parse_args():
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parser = argparse.ArgumentParser()
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parser.add_argument("--password", required=True)
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parser.add_argument("--public-key", required=True, type=open)
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parser.add_argument("--local-hostname", default="aio3.gpslab.cbr.redhat.com")
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parser.add_argument("--user-data", default="./user-data.tpl", type=open)
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parser.add_argument("--meta-data", default="./meta-data.tpl", type=open)
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parser.add_argument("--instance-id", default="aio3")
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args = parser.parse_args()
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args.public_key = args.public_key.read()
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args.user_data = args.user_data.read()
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args.user_data = args.user_data.format(data=args)
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args.meta_data = args.meta_data.read()
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args.meta_data = args.meta_data.format(data=args)
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return args
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def write_user_data(user_data):
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with open(UD_PATH, "w", encoding="utf-8") as user_data_file:
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user_data_file.write(user_data)
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def write_meta_data(meta_data):
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with open(MD_PATH, "w", encoding="utf-8") as meta_data_file:
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meta_data_file.write(meta_data)
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def delete_meta_data():
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pathlib.Path.unlink(MD_PATH)
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def delete_user_data():
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pathlib.Path.unlink(UD_PATH)
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def main():
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args = parse_args()
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print(args)
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write_meta_data(args.meta_data)
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write_user_data(args.user_data)
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delete_meta_data()
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delete_user_data()
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if __name__ == '__main__':
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main()
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2
virt-install/meta-data.tpl
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2
virt-install/meta-data.tpl
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instance-id: {data.instance_id}
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local-hostname: {data.local_hostname}
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6
virt-install/user-data.tpl
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6
virt-install/user-data.tpl
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#cloud-config
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password: {data.password}
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chpasswd: {{expire: False}}
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ssh_pwauth: True
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ssh_authorized_keys:
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- {data.public_key}
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