OpenBSD — instalace systému ve virtuálním stroji KVM

kvm6 /home/vm/02-obsd # qemu-img create -f qcow2 obsd-disk1.qcow2 40G
Formatting 'obsd-disk1.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=42949672960 lazy_refcounts=off refcount_bits=16
kvm6 /home/vm/02-obsd #

#!/sbin/openrc-run
# Konfigurace KVM virtualu OpenBSD pro studenty
#
extra_commands="zaloha zalstop"
CISLO="02"
NAME="obsd${CISLO}"
VIRTIMG="/home/vm/iso/install-amd64-78.iso"     (1)
DISK="obsd-disk1.qcow2"                         (2)
VIRTDISK="/home/vm/${CISLO}-obsd/${DISK}"       (3)
ZALOHA_DIR="/data5/vm/${CISLO}-obsd"
ZALOHA="${ZALOHA_DIR}/${DISK}"                  (4)
pidfile="/run/kvm-${NAME}.pid"
MEMORY=1000                                     (5)
CORES=2                                         (6)
PORT=59${CISLO}                                 (7)
MAC="00:25:2d:35:e6:${CISLO}"                   (8)
NETDEV="mp${CISLO}"
BR="br0"
TAP="tap${CISLO}"
CHANNEL=${CISLO}
SECRET="/etc/qemu/spice_secrets_${CISLO}"       (9)


depend() {
        use logger clock hostname net
}

start() {                                       (10)
        ebegin "Starting ${SVCNAME}"
        mkdir -p /run/kvm-${NAME}
        qemu-system-x86_64 --enable-kvm \
            -name ${NAME} \
            -cpu host \
            -smp cores=${CORES} \
            -m ${MEMORY} \
            -drive driver=qcow2,id=disk1,file=${VIRTDISK},if=none -device ahci,id=ahci1 -device ide-hd,drive=disk1,bus=ahci1.0 \
            -cdrom ${VIRTIMG} \
            -boot c \
            -device virtio-net,netdev=${NETDEV},mac=${MAC} \
            -netdev tap,id=${NETDEV},ifname=${TAP},br=${BR} \
            -rtc base=utc,clock=host \
            -object secret,id=spice_sec,file=${SECRET} \
            -vga qxl -device virtio-serial-pci -spice port=${PORT},ipv4=off,ipv6=on,password-secret=spice_sec \
            -device virtserialport,chardev=spicechannel${CISLO},name=com.redhat.spice.${CISLO} -chardev spicevmc,id=spicechannel${CISLO},name=vdagent \
            -monitor unix:/run/kvm-${NAME}/monitor,server,nowait \
            -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0 \
            -daemonize \
            -pidfile ${pidfile}
        eend $?
}

stop() {                                        (11)
        ebegin "Stopping ${SVCNAME}"
        echo system_powerdown | socat - UNIX-CONNECT:/run/kvm-${NAME}/monitor
        sleep 40
        start-stop-daemon --stop --pidfile ${pidfile}
        ret=$?
        eend ${ret}
}

zaloha() {                                      (12)
        stop
        ebegin "Zalohuji ${SVCNAME}"
        mkdir -p ${ZALOHA_DIR}
        mv ${ZALOHA}.4 ${ZALOHA}.5
        mv ${ZALOHA}.3 ${ZALOHA}.4
        mv ${ZALOHA}.2 ${ZALOHA}.3
        mv ${ZALOHA}.1 ${ZALOHA}.2
        mv ${ZALOHA}   ${ZALOHA}.1
        zstd -10 -T8 -k -c -o ${ZALOHA}.1.zstd ${VIRTDISK}
        eend $?
        start
}

zalstop() {                                     (13)
        stop
        ebegin "Zalohuji ${SVCNAME} a potom stop"
        mkdir -p ${ZALOHA_DIR}
        mv ${ZALOHA}.4 ${ZALOHA}.5
        mv ${ZALOHA}.3 ${ZALOHA}.4
        mv ${ZALOHA}.2 ${ZALOHA}.3
        mv ${ZALOHA}.1 ${ZALOHA}.2
        mv ${ZALOHA}   ${ZALOHA}.1
        zstd -10 -T8 -k -c -o ${ZALOHA}.1.zstd ${VIRTDISK}
        eend $?
}

kvm6 /etc/init.d # /etc/init.d/kvm-02-obsd start
 * Caching service dependencies ...                                                                                                                                                                                                                                               [ ok ]
 * Starting kvm-02-obsd ...                                                                                                                                                                                                                                                                                           [ ok ]
kvm6 /etc/init.d #

#!/bin/bash

cd /data1/vm

cisla="03 04 05 06 07 08 09 10 11 12 13 14 15 16"
for i in $cisla ; do
    mkdir -p ${i}-obsd
    cd ${i}-obsd
    rm obsd-disk1.qcow2
    qemu-img create -f qcow2 obsd-disk1.qcow2 40G
    cd ..
    cp kvm-01-obsd /etc/init.d/kvm-${i}-obsd
    str1="CISLO=\"01\""
    rstr="CISLO=\"${i}\""
    # uprava konfiguracniho souboru
    sed -i "s/$str1/$rstr/g" /etc/init.d/kvm-${i}-obsd
    echo -n "hesloprokomunikaci${i}" >/etc/qemu/spice_secrets_${i}
    chmod 640 /etc/qemu/spice_secrets_${i}
done

[virt-viewer]
type=spice
host=kvm6.jr.lixis.cz
port=5946
password=hesloprokomunikaci

cd remote-kvm
remote-viewer obsd46