42 lines
1.8 KiB
Bash
42 lines
1.8 KiB
Bash
#!/bin/bash
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# Exit immediately on error, treat unset variables as errors, propagate pipe failures.
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set -euo pipefail
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# Load shared log/warn/skip helpers from the installer library.
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source "$(dirname "${BASH_SOURCE[0]}")/../../lib/logging.sh"
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log "Installing QEMU/KVM + libvirt stack + virt-manager..."
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# qemu-full: full QEMU build with all emulation targets and utilities;
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# libvirt: management daemon + API used by virt-manager; virt-manager: GUI front-end;
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# virt-viewer: lightweight display client for VM consoles;
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# dnsmasq: DHCP/DNS for the default NAT network; bridge-utils: bridge management;
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# edk2-ovmf: UEFI firmware images for UEFI-boot VMs; swtpm: software TPM emulator;
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# vde2: virtual distributed Ethernet for advanced networking topologies.
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sudo pacman -S --noconfirm --needed \
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qemu-full \
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libvirt \
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virt-manager \
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virt-viewer \
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dnsmasq \
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bridge-utils \
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edk2-ovmf \
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swtpm \
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vde2
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log "Enabling libvirtd service..."
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# libvirtd must run as root to manage KVM devices and network namespaces.
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sudo systemctl enable --now libvirtd.service
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log "Configuring default NAT network for autostart..."
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# The 'default' NAT network is created by libvirt on first start; net-autostart
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# makes it come up automatically after each libvirtd restart.
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# 2>/dev/null || true: suppress the error if the network does not yet exist
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# (it will be created on first libvirtd run), preventing set -e from aborting.
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sudo virsh net-autostart default 2>/dev/null || true
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log "Adding $USER to libvirt and kvm groups..."
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# Membership in libvirt allows managing VMs without sudo; kvm grants direct
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# access to /dev/kvm for hardware acceleration. Group changes only apply
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# after the user logs out and back in.
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sudo usermod -aG libvirt,kvm "$USER"
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log "QEMU/KVM installed. Log out and back in for group membership to take effect."
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