vm.shupdate

5 files changed, 148 insertions, 16 deletions

diff --git a/others/vm3/compute/create.sh b/others/vm3/compute/create.sh
index 649cd86..0bb2e63 100755
--- a/others/vm3/compute/create.sh
+++ b/others/vm3/compute/create.sh
@@ -2,20 +2,52 @@
 
 # takes in vm name, os type,  vcpu, ram, disk as argument
 # takes in already generated seed iso and downloaded vm.iso file
-vmname=$1
-os=$2
-vcpu=$3
-ram_gb=$4
-disk_gb=$5
 
-#echo "$vmname $os $vcpu $ram_gb $disk_gb"
+# default values
+vcpu=8
+ram_gb=4
+disk_gb=32
+os="fedora40.qcow2"
 
+# parse arguments
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --vcpu)
+      vcpu="$2"
+      shift 2
+      ;;
+    --ram)
+      ram_gb="$2"
+      shift 2
+      ;;
+    --disk-size)
+      disk_gb="$2"
+      shift 2
+      ;;
+    --image)
+      os="$2"
+      shift 2
+      ;;
+    *)
+      # Handle positional arguments (vmname and os)
+      if [ -z "$vmname" ]; then
+        vmname="$1"
+      else
+        echo "Unknown argument: $1"
+        exit 1
+      fi
+      shift
+      ;;
+  esac
+done
 
-if [ $# -ne 5 ]; then
-  echo "Usage: $0 <vm-name> <os> <vcpu> <ram(gb)> <disk(gb)>"
-  echo "seed.iso and image file have to be present!"
+# Check mandatory arguments, basicaly checking for initial 1 argument. if it dont exist, vmname will be null
+# image is os!!
+if [ -z "$vmname" ] ; then
+  echo "Usage: $0 <vm-name> [--image <os>.qcow2] [--vcpu N] [--ram N] [--disk-size N]"
+  echo "seed.iso and image file have to be present! Default os is fedora"
   echo ""
-  echo "Available images"
+  echo "Available images:"
   sudo ls /var/lib/libvirt/images/.image_store
   exit 1
 fi
@@ -26,14 +58,20 @@ seed_iso="${workingdir}/seed.iso"
 xml="${workingdir}/xml"
 
 image_dir_path="/var/lib/libvirt/images/.image_store"
-src_file="${image_dir_path}/${os}.qcow2"
-new_vm="/var/lib/libvirt/images/${vmname}.qcow2"
+src_file="${image_dir_path}/${os}"
+new_vm_dir="/var/lib/libvirt/images/${vmname}"
+new_vm="${new_vm_dir}/${vmname}.qcow2"
 
 if [ ! -f "${src_file}" ]; then
   echo -e "${os} image file is cannot be found. please make it available in ${image_dir_path}"
   exit 1
 fi
 
+# run the script to make the cloud init files
+sudo bash "${scriptdir}/../.config/cloud-init-files/$(basename "$os" .qcow2).sh" "${vmname}"
+
+sudo mkdir -p $new_vm_dir
+
 sudo cp "$src_file" "$new_vm" &> /dev/null || { echo "Failed to create a new image."; exit 1; }
 
 if sudo virsh list --all | awk "\$2==\"$vmname\"" | grep -q .; then
@@ -47,11 +85,11 @@ sudo virt-install --name $vmname \
   --disk path=$new_vm,format=qcow2 \
   --disk path=$seed_iso,device=cdrom \
   --os-type linux \
-  --os-variant $os \
+  --os-variant $(basename "$os" .qcow2) \
   --virt-type kvm \
   --graphics none \
   --network bridge=virbr0,model=virtio \
-  --print-xml > $xml #|| { echo "Failed to print XML."; exit 1; }
+  --print-xml > $xml || { sudo rm -rf $new_vm_dir; exit 1; }
 
 sudo virsh define $xml #&> /dev/null || { echo "Failed to define the new VM."; exit 1; }
 
@@ -59,5 +97,5 @@ sudo qemu-img resize $new_vm +$disk_gb"G" #&> /dev/null
 
 sudo virsh start $vmname
 
-#sudo rm "${workingdir}"/*
+sudo rm "${workingdir}"/*
 
diff --git a/others/vm3/compute/delete.sh b/others/vm3/compute/delete.sh
new file mode 100755
index 0000000..dd65379
--- /dev/null
+++ b/others/vm3/compute/delete.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# Check if VMs are provided
+if [ $# -eq 0 ]; then
+    echo "Error: No VM names provided. Usage: $0 vm1 vm2 vm3"
+    exit 1
+fi
+
+# List VMs to be removed
+echo "The following VMs will be permanently destroyed:"
+for vm in "$@"; do
+    echo "- $vm"
+done
+
+# Confirmation prompt
+read -p "Are you sure you want to remove these VMs? (y/N): " confirmation
+if [[ ! "$confirmation" =~ ^[Yy]$ ]]; then
+    echo "Operation cancelled."
+    exit 1
+fi
+
+for vm in "$@"; do
+  sudo virsh destroy "$vm" &>/dev/null
+  sudo virsh undefine "$vm" --remove-all-storage &>/dev/null
+  sudo rm -rf "/var/lib/libvirt/images/${vm}" &>/dev/null
+  printf "%-50s%10s\n" "Removing $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
+done
diff --git a/others/vm3/compute/list.sh b/others/vm3/compute/list.sh
new file mode 100755
index 0000000..b62ef14
--- /dev/null
+++ b/others/vm3/compute/list.sh
@@ -0,0 +1,45 @@
+
+#!/bin/bash
+printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" "Network" "IP" "State" "vCPUs" "RAM(GB)" "Disk(GB)" "Name"
+printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" "----------" "---------------" "--------" "-----" "-------" "-----------" "----------"
+
+# Get all VMs
+vms=$(sudo virsh list --name --all)
+
+# Cache the network leases once
+default_leases=$(sudo virsh net-dhcp-leases default 2>/dev/null)
+
+for vm in $vms; do
+    # Get XML once and use it multiple times
+    xml=$(sudo virsh dumpxml "$vm" 2>/dev/null)
+    
+    # Extract all data from the cached XML
+    mac=$(echo "$xml" | grep "mac address" | awk -F\' '{ print $2}')
+    net=$(echo "$xml" | grep "<source network" | awk -F\' '{print $2}')
+    if [ -z "$net" ]; then
+        net="default"
+    fi
+    
+    # Use cached leases
+    ip=$(echo "$default_leases" | grep "$mac" | awk '{print $5}' | cut -f1 -d'/')
+    
+    # Run commands in background and save to temp files
+    sudo virsh domstate "$vm" 2>/dev/null > /tmp/state.$$ &
+    echo "$xml" | grep "<vcpu" | awk -F'[<>]' '{print $3}' > /tmp/vcpus.$$ &
+    echo "$xml" | grep "<memory" | awk -F'[<>]' '{print $3}' | awk '{ printf "%.2f", $1/1048576 }' > /tmp/ram.$$ &
+    sudo du -sk "/var/lib/libvirt/images/${vm}/${vm}.qcow2" 2>/dev/null | awk '{ printf "%.2f", $1/1024/1024 }' > /tmp/disk.$$ &
+    
+    wait
+    
+    # Read from temp files
+    state=$(cat /tmp/state.$$ 2>/dev/null)
+    vcpus=$(cat /tmp/vcpus.$$ 2>/dev/null)
+    ram=$(cat /tmp/ram.$$ 2>/dev/null)
+    disk=$(cat /tmp/disk.$$ 2>/dev/null)
+    
+    # Clean up temp files
+    rm -f /tmp/state.$$ /tmp/vcpus.$$ /tmp/ram.$$ /tmp/disk.$$
+    
+    printf "%-10s %-15s %-8s %-6s %-8s %-12s %-10s\n" \
+        "$net" "$ip" "$state" "$vcpus" "$ram" "$disk" "$vm"
+done
diff --git a/others/vm3/compute/shutdown.sh b/others/vm3/compute/shutdown.sh
new file mode 100755
index 0000000..081499b
--- /dev/null
+++ b/others/vm3/compute/shutdown.sh
@@ -0,0 +1,6 @@
+#!/bin/bash 
+
+for vm in "$@"; do
+  sudo virsh shutdown "$vm" > /dev/null 2>&1
+  printf "%-50s%10s\n" "Shutting down $vm..." $([[ $? -eq 0 ]] && echo "Successful" || echo "Failed")
+done
diff --git a/others/vm3/compute/start.sh b/others/vm3/compute/start.sh
index 5a2b3aa..d64dbb1 100644..100755
--- a/others/vm3/compute/start.sh
+++ b/others/vm3/compute/start.sh
@@ -1,4 +1,20 @@
 #!/bin/bash
 
 # starts vm
-# need to remove seed.iso first if vm have the seed iso
+# remove seed.iso first if vm have the seed iso
+
+vmname=$1
+
+# Get the target device for seed.iso
+target_dev=$(sudo virsh domblklist $vmname | grep 'seed.iso' | awk '{print $1}')
+
+# If seed.iso is found, detach it, 
+# --config means it is persistent but do not affect the state now. 
+# --config --live means online remove
+# no option means that the changes are not persistent
+#
+if [ ! -z "$target_dev" ]; then
+  sudo virsh detach-disk $vmname $target_dev --config
+fi
+
+sudo virsh start $vmname