udpate

1 files changed, 62 insertions, 0 deletions

diff --git a/others/vm3/.config/cloud-init-generator/ubuntu24.04.sh b/others/vm3/.config/cloud-init-generator/ubuntu24.04.sh
new file mode 100755
index 0000000..11e0a98
--- /dev/null
+++ b/others/vm3/.config/cloud-init-generator/ubuntu24.04.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+# generates user data, meta data, and seed.iso for cloud init. for Ubuntu
+# requires the name of the vm as an argument
+
+image_url="https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
+sshkeysdir="/root/k"
+scriptdir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+dir_path="/var/lib/libvirt/images/.image_store"
+src_file="${dir_path}/ubuntu24.04.qcow2"
+config_dir="/var/lib/libvirt/images/.temp"
+user_data="${config_dir}/user-data"
+meta_data="${config_dir}/meta-data"
+seed_iso="${config_dir}/seed.iso"
+temp_img="${dir_path}/ubuntu_temp.img"
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <vm-name>"
+    exit 1
+fi
+
+sudo mkdir -p "$dir_path"
+sudo mkdir -p "$config_dir"
+
+if [ ! -f "$src_file" ]; then
+    echo "source image does not exist! downloading..."
+    sudo wget -O "$temp_img" "$image_url"
+    echo "Converting to qcow2 format..."
+    sudo qemu-img convert -f raw -O qcow2 "$temp_img" "$src_file"
+    sudo rm "$temp_img"
+fi
+
+cat > "$user_data" << EOF
+#cloud-config
+users:
+  - name: ubuntu
+    ssh-authorized-keys:
+EOF
+
+for key in $sshkeysdir/*.pub; do
+    echo "      - $(cat "$key")" >> $user_data
+done
+
+cat >> "$user_data" << 'EOF'
+    sudo: ['ALL=(ALL) NOPASSWD:ALL']
+    groups: sudo
+    shell: /bin/bash
+runcmd:
+  - sudo growpart /dev/sda 1
+  - sudo resize2fs /dev/sda1
+  - sudo apt-get update
+  - sudo apt-get install -y vim git
+  - cd /home/ubuntu
+  - touch /home/ubuntu/runcmd_done
+EOF
+
+cat > "$meta_data" << EOF
+instance-id: vm_id
+local-hostname: $1
+EOF
+
+genisoimage -output "$seed_iso" -volid cidata -joliet -rock "$user_data" "$meta_data" &> /dev/null || { echo "Failed to create seed.iso."; exit 1; }
+echo "Configuration files generated successfully"