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Install CRI-O on a RHEL/CentOS or Debian/Ubuntu server.

This role will do the following.

• Load Kernel module.
• Configure Kernel parameters.
• Install CRI-O.
• Configure CRI-O.

There are no special requirements for this role.

crio_version: "1.24"

Specifies the version of CRI-O to install. You can specify either "X.Y" or "X.Y.Z" format. Cannot include *.

crio_sysctl_filename: "/etc/sysctl.d/99-kubernetes-cri.conf"

Specifies the filename to save the Kernel parameter settings.

crio_os: Debian_10

Specifies the OS of the host on which to install.

The value to specify for each OS is the value of $OS as described in cri-o installation instructions, but as of May 2022, the linked information seems to be out of date. From my research, the currently valid OS specification is as follows.

Note that the valid OS depends on the version of CRI-O. The available OS for each version can be found at openSUSE Download. Select the version of CRI-O you wish to install from openSUSE Download and check the directory name displayed.

If your OS has files under vars/, crio_os will be set automatically and you do not need to specify it.

crio_version_url: '1.24'

This parameter is used as part of the URL of the CRI-O repository. It may be in the form X.Y or X.Y:/X.Y.Z. (e.g., 1.24 or 1.24:/1.24.0)

You don't need to specify the value of crio_version, since it is automatically set from the value of crio_version.

crio_long_version: '1.24'

This parameter specifies the version of CRI-O in long form. It is specified in either X.Y or X.Y:X.Y.Z format. (e.g., 1.24 or 1.24:1.24.0) The format is similar to crio_version_url, but with or without /.

It is automatically set from the value of crio_version, so you don't need to specify it.

crio_conf: {}

This parameter specifies the contents of crio.conf. See https://github.com/cri-o/cri-o/blob/main/docs/crio.conf.5.md for parameters that can be specified in crio.conf.

crio_conf can be specified as follows:

crio_conf:
  "table":
    option: value
  "table.subtable1":
    option: value
  "table.subtable2":
    option: value

In this case, crio.conf outputs the following:

[table]
option = value

[table.subtable1]
option = value

[table.subtable2]
option = value

See crio_conf.yml.example for a more realistic specificatioin.

The crio-repo-key tag can be used to update keys used in the CRI-O apt repository.

It does not perform tasks such as updating the apt repository cache, updating CRI-O packages, or changing settings. Use this function only for updating keys, such as when a key has expired.

None.

- hosts: crio_servers
  roles:
    - ktooi.crio

• Kodai Tooi GitHub, Qiita

This project is licensed under the MIT License - see the LICENSE file for details

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