added generator script
This commit is contained in:
245
vm_generator/generate.py
Normal file
245
vm_generator/generate.py
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@@ -0,0 +1,245 @@
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import sys
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import tempfile
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import shutil
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import os
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import os.path
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# For some weird reason cloud-init won't work with files dumped by pyyaml, and I'm fucking tired of debugging this
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cloudinit = """#cloud-config
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hostname: {hostname}
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fqdn: {hostname}.local
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manage_etc_hosts: true
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users:
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- name: ubuntu
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sudo: ALL=(ALL) NOPASSWD:ALL
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groups: users, admin, sudo
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home: /home/ubuntu
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shell: /bin/bash
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lock_passwd: false
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ssh-authorized-keys:
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- ssh-rsa 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- ssh-rsa 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- ssh-rsa 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- ssh-rsa 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- ssh-rsa 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# only cert auth via ssh (console access can still login)
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ssh_pwauth: false
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disable_root: true
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chpasswd:
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list: |
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ubuntu:ansibleme
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expire: False
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packages:
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- qemu-guest-agent
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# written to /var/log/cloud-init-output.log
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final_message: "The system is finally up, after $UPTIME seconds"
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"""
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libvirt = """<domain type="kvm">
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<name>{hostname}</name>
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<metadata>
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<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
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<libosinfo:os id="http://ubuntu.com/ubuntu/20.04"/>
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</libosinfo:libosinfo>
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</metadata>
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<memory unit="MiB">{ram}</memory>
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<currentMemory unit="MiB">{ram}</currentMemory>
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<vcpu placement="static">2</vcpu>
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<os>
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<type arch="x86_64" machine="pc-q35-6.1">hvm</type>
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<boot dev="hd"/>
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</os>
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<features>
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<acpi/>
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<apic/>
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<vmport state="off"/>
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</features>
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<cpu mode="host-model" check="partial"/>
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<clock offset="utc">
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<timer name="rtc" tickpolicy="catchup"/>
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<timer name="pit" tickpolicy="delay"/>
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<timer name="hpet" present="no"/>
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</clock>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>destroy</on_crash>
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<pm>
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<suspend-to-mem enabled="no"/>
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<suspend-to-disk enabled="no"/>
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</pm>
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<devices>
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<emulator>/usr/bin/qemu-system-x86_64</emulator>
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<disk type="file" device="cdrom">
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<driver name="qemu" type="raw"/>
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<source file="{cloudinitiso}"/>
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<target dev="sda" bus="sata"/>
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<readonly/>
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</disk>
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<disk type="file" device="disk">
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<driver name="qemu" type="qcow2"/>
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<source file="{hostdrive}"/>
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<target dev="vda" bus="virtio"/>
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</disk>
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<controller type="usb" index="0" model="qemu-xhci" ports="15">
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<address type="pci" domain="0x0000" bus="0x02" slot="0x00" function="0x0"/>
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</controller>
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<controller type="scsi" index="0" model="virtio-scsi">
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<address type="pci" domain="0x0000" bus="0x03" slot="0x00" function="0x0"/>
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</controller>
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<controller type="sata" index="0">
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<address type="pci" domain="0x0000" bus="0x00" slot="0x1f" function="0x2"/>
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</controller>
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<controller type="pci" index="0" model="pcie-root"/>
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<controller type="pci" index="1" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="1" port="0x10"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x0" multifunction="on"/>
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</controller>
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<controller type="pci" index="2" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="2" port="0x11"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x1"/>
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</controller>
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<controller type="pci" index="3" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="3" port="0x12"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x2"/>
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</controller>
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<controller type="pci" index="4" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="4" port="0x13"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x3"/>
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</controller>
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<controller type="pci" index="5" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="5" port="0x14"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x4"/>
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</controller>
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<controller type="pci" index="6" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="6" port="0x15"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x5"/>
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</controller>
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<controller type="pci" index="7" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="7" port="0x16"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x6"/>
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</controller>
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<controller type="pci" index="8" model="pcie-root-port">
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<model name="pcie-root-port"/>
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<target chassis="8" port="0x17"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x02" function="0x7"/>
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</controller>
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<controller type="virtio-serial" index="0">
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<address type="pci" domain="0x0000" bus="0x04" slot="0x00" function="0x0"/>
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</controller>
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<interface type="network">
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<source network="{virbr}"/>
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<model type="virtio"/>
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</interface>
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<serial type="pty">
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<target type="isa-serial" port="0">
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<model name="isa-serial"/>
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</target>
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</serial>
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<console type="pty">
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<target type="serial" port="0"/>
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</console>
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<channel type="unix">
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<target type="virtio" name="org.qemu.guest_agent.0"/>
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<address type="virtio-serial" controller="0" bus="0" port="1"/>
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</channel>
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<channel type="spicevmc">
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<target type="virtio" name="com.redhat.spice.0"/>
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<address type="virtio-serial" controller="0" bus="0" port="2"/>
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</channel>
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<input type="tablet" bus="usb">
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<address type="usb" bus="0" port="1"/>
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</input>
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<input type="mouse" bus="ps2"/>
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<input type="keyboard" bus="ps2"/>
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<graphics type="spice" autoport="yes">
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<listen type="address"/>
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</graphics>
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<sound model="ich9">
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<address type="pci" domain="0x0000" bus="0x00" slot="0x1b" function="0x0"/>
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</sound>
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<audio id="1" type="spice"/>
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<video>
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<model type="qxl" ram="65536" vram="65536" vgamem="16384" heads="1" primary="yes"/>
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<address type="pci" domain="0x0000" bus="0x00" slot="0x01" function="0x0"/>
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</video>
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<redirdev bus="usb" type="spicevmc">
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<address type="usb" bus="0" port="2"/>
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</redirdev>
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<redirdev bus="usb" type="spicevmc">
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<address type="usb" bus="0" port="3"/>
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</redirdev>
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<memballoon model="virtio">
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<address type="pci" domain="0x0000" bus="0x06" slot="0x00" function="0x0"/>
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</memballoon>
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<rng model="virtio">
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<backend model="random">/dev/urandom</backend>
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<address type="pci" domain="0x0000" bus="0x07" slot="0x00" function="0x0"/>
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</rng>
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</devices>
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</domain>
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"""
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def main():
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if len(sys.argv) < 2:
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print("Usage: generate.py [workdir] [image source]")
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return
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workdir = sys.argv[1]
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img_src = sys.argv[2]
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os.makedirs(os.path.join(workdir, 'xml'), exist_ok=True)
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os.makedirs(os.path.join(workdir, 'img'), exist_ok=True)
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os.makedirs(os.path.join(workdir, 'iso'), exist_ok=True)
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with open(os.path.join(workdir, 'hosts'), 'rt') as f:
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for line in f:
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line = line.replace('\n','')
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if not line:
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# skip empty lines
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continue
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hostname, virbr, ram = line.split(' ')
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ram=int(ram)
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print("Working on",hostname)
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fhandle, fname = tempfile.mkstemp(suffix='.yaml')
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with open(fhandle, "wt") as of:
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of.write(
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cloudinit.format(hostname=hostname)
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)
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os.system(f'cloud-localds -v {workdir}/iso/cloudinit-{hostname}.iso {fname}')
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os.unlink(fname)
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hostdrive = os.path.join(workdir, f"img/{hostname}.qcow2")
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with open(os.path.join(workdir, f"xml/{hostname}.xml"), "wt") as of:
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of.write(
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libvirt.format(
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hostname=hostname,
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ram=ram,
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virbr=virbr,
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cloudinitiso=os.path.join(workdir, f"iso/cloudinit-{hostname}.iso"),
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hostdrive=hostdrive
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)
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)
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shutil.copy(img_src, hostdrive)
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os.system(f"qemu-img resize {hostdrive} +100G")
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if __name__ == "__main__":
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main()
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13
vm_generator/hosts
Normal file
13
vm_generator/hosts
Normal file
@@ -0,0 +1,13 @@
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edge-cluster-1-master-1 edge-1 2048
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edge-cluster-1-worker-1 edge-1 4096
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edge-cluster-1-worker-2 edge-1 4096
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edge-cluster-2-master-1 edge-2 2048
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edge-cluster-2-worker-1 edge-2 4096
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edge-cluster-2-worker-2 edge-2 4096
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cloud-cluster-1-master-1 cloud 2048
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cloud-cluster-1-worker-1 cloud 4096
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cloud-cluster-1-worker-2 cloud 4096
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site-emulator-1 site 2048
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Block a user