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-rwxr-xr-xothers/vm.sh2291
1 files changed, 0 insertions, 291 deletions
diff --git a/others/vm.sh2 b/others/vm.sh2
deleted file mode 100755
index fe3eec0..0000000
--- a/others/vm.sh2
+++ /dev/null
@@ -1,291 +0,0 @@
-#!/bin/bash
-
-help(){
- echo -e "\n$0
- info
- create\n -vcpu\n -ram \n -disk \n -ssh-keys-dir \n -add-disk-block\n -public-ssh-port
- manage\n -start\n -shutdown\n -reboot\n -kill\n -erase
- disk\n -attach\n -detach\n -resize\n"
- exit 1
-}
-
-case "$1" in
- "create")
- if [[ $# -lt 2 ]]; then
- echo ""
- echo -e "$0 $1 [VM_NAME]"
- echo -e "default: -vcpu 8 -ram 8 -disk 60 --ssh-keys-dir keys/"
- echo -e "args[GB]:\n -vcpu\n -ram \n -disk \n -ssh-keys-dir \n -add-disk-block\n -public-ssh-port)"
- echo ""
- exit 1
- fi
-
- VM_NAME=$2
- VCPU=8
- RAM_GB=8000 #memory is noted as mb in the virt-install program
- DISK_GB=64
- SSH_KEYS_DIR="k/"
- DISK_BLOCK_GB=0
- PSP=${PSP:-0}
-
- while [[ $# -gt 0 ]]; do
- case "$1" in
- create)
- shift 2
- ;;
- -vcpu)
- VCPU=$2
- shift 2
- ;;
- -ram)
- RAM_GB=$(($2*1000))
- shift 2
- ;;
- -disk)
- DISK_GB=$2
- shift 2
- ;;
- -ssh-keys-dir)
- SSH_KEYS_DIR=$2
- shift 2
- ;;
- -add-disk-block)
- DISK_BLOCK_GB=$2
- shift 2
- ;;
- -public-ssh-port)
- PSP=$2
- shift 2
- ;;
- *)
- echo "Unknown argument: $1"
- exit 1
- ;;
- esac
- done
- download_url="https://download.nus.edu.sg/mirror/fedora/linux/releases/40/Cloud/x86_64/images/Fedora-Cloud-Base-Generic.x86_64-40-1.14.qcow2"
- dir_path="/var/lib/libvirt/images/"
- src_file="/var/lib/libvirt/images/fedora40.qcow2"
- seed_iso="/var/lib/libvirt/images/seed.iso"
- packages=("nc" "htop" "wireguard-tools" "bind-utils" "tmux" "net-tools" "curl" "mlocate" "dnsmasq" "qemu-kvm" "libvirt" "libvirt-daemon-kvm" "virt-install" "virt-manager" "genisoimage")
- NEW_IMG_PATH="/var/lib/libvirt/images/${VM_NAME}.qcow2"
- XML_PATH="/tmp/${VM_NAME}.xml"
- DISK_BLOCK_GB_BASE_PATH="/var/lib/libvirt/images/${VM_NAME}-vm-disks/"
- DISK_BLOCK_GB_PATH="${DISK_BLOCK_GB_BASE_PATH}${VM_NAME}-vda-${DISK_BLOCK_GB}G.qcow2"
- ssh_private=$(cat /home/x/m)
-
- function check_package_installed() {
- local package_name=$1
- rpm -q "$package_name" &> /dev/null
- }
-
- for package in "${packages[@]}"; do
- if ! check_package_installed "$package"; then
- sudo dnf install -y "$package" &> /dev/null
- fi
- done
-
- [ ! -d $dir_path ] && sudo mkdir -p $dir_path &> /dev/null
- [ ! -f "$src_file" ] && (sudo wget -O "$src_file" "$download_url" &> /dev/null || { echo "Failed to download Fedora image"; exit 1; })
-
- echo -e "#cloud-config\nusers:\n - name: fedora\n ssh-authorized-keys:" > user-data
-
- for key in "$SSH_KEYS_DIR"*.pub; do
- echo " - $(cat "$key")" >> user-data
- done
-
- echo " sudo: ['ALL=(ALL) NOPASSWD:ALL']
- groups: wheel
- shell: /bin/bash" >> user-data
-
- if [ "$PSP" -ne 0 ]; then
- echo "write_files:" >> user-data
- echo " - path: /home/fedora/m" >> user-data
- echo " content: |" >> user-data
- while read -r line; do
- echo " $line" >> user-data
- done <<< "${ssh_private}"
- fi
-
- echo 'runcmd:' >> user-data
- if [ "$DISK_BLOCK_GB" -ne 0 ]; then
- echo ' - echo "#!/bin/bash" > /home/fedora/disk-setup.sh' >> user-data
- echo " - echo \"DISK='/dev/vda'; MOUNT_PATH='/home/${VM_NAME}-vda-${DISK_BLOCK_GB}G';\" >> /home/fedora/disk-setup.sh" >> user-data
- echo " - echo '[ ! -d \$MOUNT_PATH ] && sudo mkdir -p \$MOUNT_PATH;' >> /home/fedora/disk-setup.sh" >> user-data
- echo " - echo 'sudo blkid | grep -q \$DISK || sudo mkfs.ext4 \$DISK;' >> /home/fedora/disk-setup.sh" >> user-data
- echo " - echo 'grep -q \$DISK /etc/fstab || echo \"\$DISK \$MOUNT_PATH ext4 defaults,nofail 0 0\" | sudo tee -a /etc/fstab;' >> /home/fedora/disk-setup.sh" >> user-data
- echo ' - echo "sudo mount -a;" >> /home/fedora/disk-setup.sh' >> user-data
- echo ' - echo "sudo systemctl daemon-reload" >> /home/fedora/disk-setup.sh' >> user-data
- echo ' - sudo chmod +x /home/fedora/disk-setup.sh' >> user-data
- echo ' - sudo /home/fedora/disk-setup.sh' >> user-data
- echo ' - sudo rm -f /home/fedora/disk-setup.sh' >> user-data
- fi
-
- if [ "$PSP" -ne 0 ]; then
- echo ' - sudo chmod 600 /home/fedora/man1' >> user-data
- echo " - (echo \"* * * * * /home/fedora/initial.sh\") | crontab -" >> user-data
- echo " - echo 'PIDS=\$(pgrep -f \"ssh.*fedora@64.176.179.97\"); if [ -z \"\${PIDS}\" ]; then /usr/bin/ssh -fN -i /home/fedora/man1 -R ${PSP}:localhost:22 -o StrictHostKeyChecking=no fedora@64.176.179.97; fi' > /home/fedora/initial.sh" >> user-data
- echo " - chmod +x /home/fedora/initial.sh" >> user-data
- echo " - /home/fedora/initial.sh" >> user-data
- fi
-
- echo ' - sudo growpart /dev/sda 1' >> user-data
- echo ' - sudo xfs_growfs /' >> user-data
- echo ' - sudo dnf install -y vim git' >> user-data
- echo ' - cd /home/fedora' >> user-data
- echo ' - git clone https://git.0nom.ch/setup' >> user-data
- echo ' - sudo ./setup/setup.sh' >> user-data
- echo ' - touch /home/fedora/runcmd_done' >> user-data
-
- echo -e "instance-id: iid-fedora-vm\nlocal-hostname: fedora-cloudimg" > meta-data
-
- genisoimage -output "$seed_iso" -volid cidata -joliet -rock user-data meta-data &> /dev/null || { echo "Failed to create seed.iso."; exit 1; }
-
- sudo cp $src_file $NEW_IMG_PATH &> /dev/null || { echo "Failed to create a new image."; exit 1; }
-
- if sudo virsh list --all | awk "\$2==\"$VM_NAME\"" | grep -q .; then
- # if sudo virsh list --all | grep -q "$VM_NAME"; then
- echo -e "\n$VM_NAME already exist. Delete it using \n$0 manage -erase $VM_NAME\nExiting..."
- exit 1
- fi
-
- sudo virt-install --name $VM_NAME \
- --vcpus $VCPU \
- --ram $RAM_GB \
- --disk path=$NEW_IMG_PATH,size=$DISK_GB,format=qcow2 \
- --disk path=$seed_iso,device=cdrom \
- --os-type linux \
- --os-variant fedora38 \
- --virt-type kvm \
- --graphics none \
- --network bridge=virbr0,model=virtio \
- --print-xml > $XML_PATH || { echo "Failed to print XML."; exit 1; }
-
- sudo virsh define $XML_PATH &> /dev/null || { echo "Failed to define the new VM."; exit 1; }
-
- sudo qemu-img resize $NEW_IMG_PATH +$DISK_GB"G" #&> /dev/null
-
- sudo virsh start $VM_NAME
- echo ""
-
- if [ $DISK_BLOCK_GB -ne 0 ]; then
- sudo mkdir -p $DISK_BLOCK_GB_BASE_PATH
- sudo qemu-img create -f qcow2 $DISK_BLOCK_GB_PATH "${DISK_BLOCK_GB}G"
- sudo virsh attach-disk $VM_NAME $DISK_BLOCK_GB_PATH vda --cache none --subdriver qcow2
- fi
-
- message="waiting 29s to begin finding ip address..."
- duration=29
- for ((i=$duration; i>=1; i--)); do
- printf "\r%s%2ds" "$message" $i
- sleep 1
- done
- echo
-
- while true; do
- OUTPUT=$($0 info | grep "$VM_NAME")
- if [[ "$OUTPUT" != "" ]]; then
- IP_ADDRESS=$(echo "$OUTPUT" | grep -oP '\d+\.\d+\.\d+\.\d+')
- if [[ ! -z "$IP_ADDRESS" ]]; then
- echo -e "\nIP address of $VM_NAME is:\n$IP_ADDRESS"
- break
- else
- echo "IP address for $VM_NAME not found. Retrying in 1 second..."
- sleep 1
- fi
- else
- echo "$VM_NAME not found. Exiting..."
- exit 1
- fi
- done
-
- ;;
- "manage")
- if [[ $# -lt 2 ]]; then
- echo ""
- echo -e "$0 $1 arg [VM_1] [VM_2] [VM_3] \n$0 $1 arg --all"
- echo -e "args:\n -start\n -shutdown\n -kill\n -erase "
- echo ""
- exit 1
- fi
-
- arg=$2
- shift 2
-
- if [[ "$1" == "--all" ]]; then
- vms=$(sudo virsh list --all --name)
- set -- $vms
- fi
-
- case $arg in
- "-shutdown")
- for vm in "$@"; do
- sudo virsh shutdown "$vm" > /dev/null 2>&1
- printf "%-50s%10s\n" "Shutting down $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
- done
- ;;
- "-kill")
- for vm in "$@"; do
- sudo virsh destroy "$vm" > /dev/null 2>&1
- printf "%-50s%10s\n" "Destroying $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
- done
- ;;
- "-erase")
- echo -e "\nWARNING: THIS IS IRREVERSIBLE. Sleeping for 10 seconds. Ctrl-C to stop. WARNING.\n"
- sleep 10
- echo -e "\nErasing image(s) from /var/lib/libvirt/images/\n"
- for vm in "$@"; do
- sudo virsh destroy "$vm" > /dev/null 2>&1
- sudo virsh undefine "$vm" --remove-all-storage > /dev/null 2>&1
- printf "%-50s%10s\n" "Removing $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
- done
- ;;
- "-start")
- for vm in "$@"; do
- sudo virsh start "$vm" > /dev/null 2>&1
- printf "%-50s%10s\n" "Starting $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
- done
- ;;
- "-reboot")
- for vm in "$@"; do
- sudo virsh shutdown "$vm" > /dev/null 2>&1
- sudo virsh start "$vm" > /dev/null 2>&1
- printf "%-50s%10s\n" "Rebooting $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
- done
- ;;
- *)
- echo "Unknown argument: $arg"
- exit 1
- ;;
- esac
- ;;
- "info")
- printf "%-4s %-10s %-15s %-10s %-10s %-6s %-8s %-12s\n" "Id" "Name" "IP" "State" "Network" "vCPUs" "RAM(GB)" "Disk(GB)"
- printf "%-4s %-10s %-15s %-10s %-10s %-6s %-8s %-12s\n" "----" "----------" "---------------" "----------" "----------" "-----" "-------" "-----------"
-
- vms=$(sudo virsh list --name --all)
-
- id=1
- for vm in $vms; do
- mac=$(sudo virsh dumpxml $vm | grep "mac address" | awk -F\' '{ print $2}')
- net=$(sudo virsh dumpxml $vm | grep "<source network" | awk -F\' '{print $2}')
- if [ -z "$net" ]
- then
- net="default"
- fi
- ip=$(sudo virsh net-dhcp-leases $net | grep $mac | awk '{print $5}' | cut -f1 -d'/')
- state=$(sudo virsh domstate $vm)
- vcpus=$(sudo virsh dominfo $vm | grep "CPU(s)" | awk '{print $2}')
- ram=$(bc <<< "scale=2; $(sudo virsh dominfo $vm | grep "Max memory" | awk '{print $3}')/1000000")
- disk=$(sudo du -sk /var/lib/libvirt/images/${vm}.qcow2 | awk '{ printf "%.2f", $1/1024/1024 }')
-
- printf "%-4s %-10s %-15s %-10s %-10s %-6s %-8s %-12s\n" "$id" "$vm" "$ip" "$state" "$net" "$vcpus" "$ram" "$disk"
- id=$((id+1))
- done
- exit 0
- ;;
- *)
- help
- exit 1
- ;;
-esac
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