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[Adam Niedzwiecki <1925454@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

This is a follow-up on the case https://bugs.launchpad.net/cloud-
init/+bug/1924922

I cannot update default Ubuntu network-config by writing user-data file
in cloud-config.

Attached are logs. Below is a snippet from the cloud-config

#cloud-config
write_files:
  - path: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
    permissions: '0644'
    content: |
      network: 
        config: disabled
  - path: /etc/netplan/50-cloud-init.yaml
    permissions: '0644'
    content: |
      network:
        version: 2
        ethernets:
          eth0:
            dhcp4: true
            addresses:
              - 192.168.53.3/26
            gateway4: 192.168.53.62
            nameservers:
              addresses:
                - 1.1.1.1
                - 8.8.8.8
runcmd:
  - [sudo, netplan, try]
  - [sudo, netplan, generate]
  - [sudo, netplan, apply]
power_state:
  mode: 'reboot'
  message: 'reboot triggered by cloud-init'

-----

Result is such that the hardcoded network-config ('optional': True, not waiting for DHCP server) is attached/generated with IP as, for an example - 192.168.53.4, not the IP I really want 192.168.53.3. This leads to couple of problems, one as specified in bug/1924922, that ssh_import_id is not working (for the time is not sync up)
Is there a way to overwrite this default with user-data, and not to go to the config partition and manually change it?

** Affects: cloud-init
     Importance: Undecided
         Status: New

** Attachment added: "cloud-init.tar.gz"
   https://bugs.launchpad.net/bugs/1925454/+attachment/5490924/+files/cloud-init.tar.gz

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https://bugs.launchpad.net/bugs/1925454

Title:
  Update Ubuntu 20.04 default network-config  by cloud-config

Status in cloud-init:
  New

Bug description:
  This is a follow-up on the case https://bugs.launchpad.net/cloud-
  init/+bug/1924922

  I cannot update default Ubuntu network-config by writing user-data
  file in cloud-config.

  Attached are logs. Below is a snippet from the cloud-config

  #cloud-config
  write_files:
    - path: /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
      permissions: '0644'
      content: |
        network: 
          config: disabled
    - path: /etc/netplan/50-cloud-init.yaml
      permissions: '0644'
      content: |
        network:
          version: 2
          ethernets:
            eth0:
              dhcp4: true
              addresses:
                - 192.168.53.3/26
              gateway4: 192.168.53.62
              nameservers:
                addresses:
                  - 1.1.1.1
                  - 8.8.8.8
  runcmd:
    - [sudo, netplan, try]
    - [sudo, netplan, generate]
    - [sudo, netplan, apply]
  power_state:
    mode: 'reboot'
    message: 'reboot triggered by cloud-init'

  -----

  Result is such that the hardcoded network-config ('optional': True, not waiting for DHCP server) is attached/generated with IP as, for an example - 192.168.53.4, not the IP I really want 192.168.53.3. This leads to couple of problems, one as specified in bug/1924922, that ssh_import_id is not working (for the time is not sync up)
  Is there a way to overwrite this default with user-data, and not to go to the config partition and manually change it?

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