125 lines
2.9 KiB
ReStructuredText
125 lines
2.9 KiB
ReStructuredText
Using Cloud-init
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================
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Cloud-init for new instances
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----------------------------
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Cloud-init configs may be set inplace into :file:`instance.yaml`.
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.. code-block:: yaml
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:caption: Example with Debian generic QCOW2 image
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:linenos:
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name: genericdebian
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memory: 1024
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vcpus: 1
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image: debian-12-generic-amd64.qcow2
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volumes:
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- type: file
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is_system: true
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capacity:
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value: 5
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unit: GiB
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cloud_init:
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meta_data:
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hostname: genericdebian
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root_pass: secure_pass
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user_data: |
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## template: jinja
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#cloud-config
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hostname: {{ ds.meta_data.hostname }}
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fqdn: {{ ds.meta_data.hostname }}.instances.generic.cloud
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manage_etc_hosts: true
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chpasswd:
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users:
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- name: root
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password: {{ ds.meta_data.root_pass }}
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type: text
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expire: False
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ssh_pwauth: True
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package_update: true
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package_upgrade: true
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packages:
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- qemu-guest-agent
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- vim
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- psmisc
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- htop
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runcmd:
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- [ systemctl, daemon-reload ]
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- [ systemctl, enable, qemu-guest-agent.service ]
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- [ systemctl, start, --no-block, qemu-guest-agent.service ]
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You can use separate file in this way:
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.. code-block:: yaml
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:caption: user-data in separate file
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:emphasize-lines: 11-
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:linenos:
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name: genericdebian
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memory: 1024
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vcpus: 1
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image: debian-12-generic-amd64.qcow2
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volumes:
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- type: file
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is_system: true
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capacity:
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value: 25
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unit: GiB
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cloud_init:
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user_data: user-data.yaml
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Base64 encoded string with data must be ``base64:`` prefixed:
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.. code-block:: yaml
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:caption: user-data as base64 encoded string
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:emphasize-lines: 11-
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:linenos:
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name: genericdebian
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memory: 1024
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vcpus: 1
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image: debian-12-generic-amd64.qcow2
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volumes:
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- type: file
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is_system: true
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capacity:
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value: 25
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unit: GiB
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cloud_init:
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user_data: base64:I2Nsb3VkLWNvbmZpZwpob3N0bmFtZTogY2xvdWRlYmlhbgpmcWRuOiBjbG91ZGViaWFuLmV4YW1wbGUuY29tCm1hbmFnZV9ldGNfaG9zdHM6IHRydWUK
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Also you can write config in YAML. Please note that in this case you will not be able to use the ``#cloud-config`` shebang.
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.. code-block:: yaml
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:caption: meta-data as nested YAML
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:emphasize-lines: 12-14
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:linenos:
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name: genericdebian
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memory: 1024
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vcpus: 1
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image: debian-12-generic-amd64.qcow2
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volumes:
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- type: file
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is_system: true
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capacity:
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value: 25
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unit: GiB
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cloud_init:
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meta_data:
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myvar: example
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another_one: example_2
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user_data: |
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#cloud-config
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#something here
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Edit Cloud-init config files on existing instance
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-------------------------------------------------
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Use ``setcloudinit`` subcommand::
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compute setcloudinit myinstance --user-data user_data.yaml
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See `setcloudinit <../cli/reference.html#setcloudinit>`_ for details.
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