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goldmann/virt-install-fedora.sh

Last active February 25, 2022 12:31
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  1. goldmann revised this gist Nov 3, 2014. 1 changed file with 3 additions and 0 deletions.
    3 changes: 3 additions & 0 deletions virt-install-fedora.sh
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    Original file line number Diff line number Diff line change
    @@ -5,6 +5,9 @@ if ! [ $# -eq 1 ]; then
    exit 1
    fi

    # Make sure you have all dependencies:
    # yum -y install libguestfs-tools virt-install

    # Directory where everything happens
    DIR=~/work/virt-install
    # The image downloaded from the http://fedoraproject.org/en/get-fedora#clouds site
  2. goldmann renamed this gist Nov 3, 2014. 1 changed file with 0 additions and 0 deletions.
    0 virt-install-fedora → virt-install-fedora.sh
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    File renamed without changes.
  3. goldmann created this gist Jan 16, 2014.
    92 changes: 92 additions & 0 deletions virt-install-fedora
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,92 @@
    #!/bin/bash

    if ! [ $# -eq 1 ]; then
    echo "Usage: $0 <node-name>"
    exit 1
    fi

    # Directory where everything happens
    DIR=~/work/virt-install
    # The image downloaded from the http://fedoraproject.org/en/get-fedora#clouds site
    # You can use this command:
    # mkdir -p ~/work/virt-install && cd ~/work/virt-install && wget http://download.fedoraproject.org/pub/fedora/linux/releases/20/Images/x86_64/Fedora-x86_64-20-20131211.1-sda.qcow2
    IMAGE=$DIR/Fedora-x86_64-20-20131211.1-sda.qcow2
    # Amount of RAM in MB
    MEM=1024
    # Number of virtual CPUs
    CPUS=2

    # Start the vm afterwards?
    RUN_AFTER=true
    # Resize the disk? By default it's a 2GB HDD
    RESIZE_DISK=true
    DISK_SIZE=10G

    # You can change this too, but it's OK to leave it as-is
    USER_DATA=user-data
    META_DATA=meta-data
    CI_ISO=$1-cidata.iso
    DISK=$1.qcow2

    rm -rf $DIR/$1
    mkdir -p $DIR/$1

    pushd $DIR/$1 > /dev/null
    touch $1.log

    echo "$(date -R) Destroying the $1 domain..."

    # Remove domain with the same name
    virsh destroy $1 &>> $1.log
    virsh undefine $1 &>> $1.log

    # cloud-init config: set the password, remove itself and power off
    echo -e "#cloud-config\npassword: fedora\nchpasswd: {expire: False}\nssh_pwauth: True\nruncmd:\n - [ yum, -y, remove, cloud-init ]\n - [ poweroff ]" > $USER_DATA
    echo "instance-id: $1; local-hostname: $1" > $META_DATA

    cp $IMAGE $DISK

    echo "$(date -R) Generating ISO for cloud-init..."

    genisoimage -output $CI_ISO -volid cidata -joliet -r $USER_DATA $META_DATA &>> $1.log

    echo "$(date -R) Installing the domain and adjusting the configuration..."
    virt-install --import --name $1 --ram $MEM --vcpus $CPUS --disk $DISK,format=qcow2,bus=virtio --disk $CI_ISO,device=cdrom --network bridge=virbr0,model=virtio --os-type=linux --nographics >> $1.log

    echo "$(date -R) Cleaning up cloud-init..."

    # We're not interested in having the cloud-init data still loaded, let's clean this up
    # Eject cdrom
    virsh change-media $1 hda --eject --config >> $1.log
    # Remove the unnecessary cloud init files
    rm $USER_DATA $META_DATA $CI_ISO

    if $RESIZE_DISK; then
    echo "$(date -R) Resizing the disk..."

    virt-filesystems --long -h --all -a $DISK >> $1.log
    qemu-img create -f qcow2 -o preallocation=metadata $DISK.new $DISK_SIZE >> $1.log
    virt-resize --quiet --expand /dev/sda1 $DISK $DISK.new >> $1.log
    mv $DISK.new $DISK
    fi

    if $RUN_AFTER; then
    echo "$(date -R) Launching the $1 domain..."

    virsh start $1 >> $1.log

    mac=`virsh dumpxml $1 | grep "mac address" | tr -s \' ' ' | awk ' { print $3 } '`

    while true; do
    ip=`arp -na | grep $mac | awk '{ print $2 }' | tr -d \( | tr -d \)`

    if [ "$ip" = "" ]; then
    sleep 1
    else
    break
    fi
    done

    echo "$(date -R) DONE, ssh to the $ip host using 'fedora' username and 'fedora' password"
    fi
    popd > /dev/null