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====== cloud-init-Templates ======

ermöglicht schnelles Bereitstellen von standardisierten VM's.

in das NFS-Share wechseln
  root@pvet3:~# cd /mnt/pve/Install-Images/template/iso/


Download des cloud-init-Images
  root@pvet3:/mnt/pve/Install-Images/template/iso# wget https://cloud-images.ubuntu.com/releases/22.04/release/ubuntu-22.04-server-cloudimg-amd64.img

Erstellen einer VM
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm create 8000 --memory 2048 --core 2 --name ubuntu-cloud-template --net0 virtio,bridge=vmbr0

Importieren des cloud init-Images in die VM
<code>
root@pvet3:/mnt/pve/Install-Images/template/iso# qm importdisk 8000 ubuntu-22.04-server-cloudimg-amd64.img Install-Images 
importing disk 'ubuntu-22.04-server-cloudimg-amd64.img' to VM 8000 ...
Formatting '/mnt/pve/Install-Images/images/8000/vm-8000-disk-0.raw', fmt=raw size=2361393152 preallocation=off
transferred 0.0 B of 2.2 GiB (0.00%)
transferred 22.5 MiB of 2.2 GiB (1.00%)
transferred 45.0 MiB of 2.2 GiB (2.00%)
transferred 67.6 MiB of 2.2 GiB (3.00%)
transferred 90.3 MiB of 2.2 GiB (4.01%)
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transferred 135.3 MiB of 2.2 GiB (6.01%)
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transferred 180.4 MiB of 2.2 GiB (8.01%)
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transferred 248.2 MiB of 2.2 GiB (11.02%)
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transferred 744.3 MiB of 2.2 GiB (33.05%)
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transferred 1014.8 MiB of 2.2 GiB (45.06%)
transferred 1.0 GiB of 2.2 GiB (46.06%)
transferred 1.0 GiB of 2.2 GiB (47.06%)
transferred 1.1 GiB of 2.2 GiB (48.07%)
transferred 1.1 GiB of 2.2 GiB (49.07%)
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transferred 1.2 GiB of 2.2 GiB (55.08%)
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transferred 1.4 GiB of 2.2 GiB (62.09%)
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transferred 1.5 GiB of 2.2 GiB (66.09%)
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transferred 1.5 GiB of 2.2 GiB (68.09%)
transferred 1.5 GiB of 2.2 GiB (69.10%)
transferred 1.5 GiB of 2.2 GiB (70.10%)
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transferred 1.7 GiB of 2.2 GiB (77.11%)
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transferred 1.9 GiB of 2.2 GiB (85.35%)
transferred 1.9 GiB of 2.2 GiB (86.41%)
transferred 1.9 GiB of 2.2 GiB (87.49%)
transferred 1.9 GiB of 2.2 GiB (88.56%)
transferred 2.0 GiB of 2.2 GiB (89.64%)
transferred 2.0 GiB of 2.2 GiB (90.73%)
transferred 2.0 GiB of 2.2 GiB (91.73%)
transferred 2.0 GiB of 2.2 GiB (92.82%)
transferred 2.1 GiB of 2.2 GiB (93.93%)
transferred 2.1 GiB of 2.2 GiB (95.01%)
transferred 2.1 GiB of 2.2 GiB (96.08%)
transferred 2.1 GiB of 2.2 GiB (97.15%)
transferred 2.2 GiB of 2.2 GiB (98.15%)
transferred 2.2 GiB of 2.2 GiB (99.15%)
transferred 2.2 GiB of 2.2 GiB (100.00%)
transferred 2.2 GiB of 2.2 GiB (100.00%)
Successfully imported disk as 'unused0:Install-Images:8000/vm-8000-disk-0.raw
</code>

SCSI-Controller zuweisen
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm set 8000 --scsihw virtio-scsi-pci --scsi0 Install-Images:8000/vm-8000-disk-0.raw
  update VM 8000: -scsi0 Install-Images:8000/vm-8000-disk-0.raw -scsihw virtio-scsi-pci

Anlegen der cloud init-Partition
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm set 8000 --ide2 Install-Images:cloudinit     
  update VM 8000: -ide2 Install-Images:cloudinit
  Formatting '/mnt/pve/Install-Images/images/8000/vm-8000-cloudinit.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off preallocation=metadata compression_type=zlib size=4194304 lazy_refcounts=off refcount_bits=16
  ide2: successfully created disk 'Install-Images:8000/vm-8000-cloudinit.qcow2,media=cdrom'
  generating cloud-init ISO

Bootdevice festlegen
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm set 8000 --boot c --bootdisk scsi0
  update VM 8000: -boot c -bootdisk scsi0

Serielle Console hinzufügen
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm set 8000 --serial0 socket --vga serial0
  update VM 8000: -serial0 socket -vga serial0

Qemu-Guest-Agent und fstrim aktivieren
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm set 8000 --agent enabled=1,fstrim_cloned_disks=1,type=virtio
  update VM 8001: -agent enabled=1,fstrim_cloned_disks=1,type=virtio

Neue Größe der virt. HDD festlegen
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm disk resize 8000 scsi0 10G 
  Image resized.

VM in Template umwandeln
  root@pvet3:/mnt/pve/Install-Images/template/iso# qm template 8000

folgende Fehlermeldung erschien bei NFS-Storage
  /usr/bin/chattr: Operation not supported while reading flags on /mnt/pve/Install-Images/images/8000/base-8000-disk-0.raw
  command '/usr/bin/chattr +i /mnt/pve/Install-Images/images/8000/base-8000-disk-0.raw' failed: exit code 1
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