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update docker_yum_gpg_key in README
Also add description for docker_obsolete_packages for different os-family linux distro
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README.md
10
README.md
@ -30,7 +30,6 @@ Debian/Ubuntu: `docker-{{ docker_edition }}=<VERSION>` (Note: you have to add th
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You can control whether the package is installed, uninstalled, or at the latest version by setting `docker_packages_state` to `present`, `absent`, or `latest`, respectively. Note that the Docker daemon will be automatically restarted if the Docker package is updated. This is a side effect of flushing all handlers (running any of the handlers that have been notified by this and any other role up to this point in the play).
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```yaml
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# Used only for Debian/Ubuntu
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docker_obsolete_packages:
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- docker
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- docker.io
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@ -43,11 +42,10 @@ docker_obsolete_packages:
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- runc
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```
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A list of packages to be uninstalled prior to running this role. See Docker's installation instructions for an up-to-date list of old packages that should be removed:
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- [Docker's installation instructions - Debian](https://docs.docker.com/engine/install/debian/#uninstall-old-versions)
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- [Docker's installation instructions - Fedora](https://docs.docker.com/engine/install/fedora/#uninstall-old-versions)
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`docker_obsolete_packages` for different os-family linux distributions:
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- [`RedHat.yaml`](./vars/RedHat.yml), [obsolete packages](https://docs.docker.com/engine/install/fedora/#uninstall-old-versions)
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- [`Debian.yaml`](./vars/Debian.yml), [obsolete packages](https://docs.docker.com/engine/install/debian/#uninstall-old-versions)
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```yaml
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docker_service_manage: true
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@ -106,7 +104,7 @@ Usually in combination with changing `docker_apt_repository` as well. `docker_ap
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docker_yum_repo_url: "{{ docker_repo_url }}/{{ (ansible_distribution == 'Fedora') | ternary('fedora','centos') }}/docker-{{ docker_edition }}.repo"
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docker_yum_repo_enable_nightly: '0'
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docker_yum_repo_enable_test: '0'
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docker_yum_gpg_key: "{{ docker_repo_url }}/centos/gpg"
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docker_yum_gpg_key: "{{ docker_repo_url }}/{{ (ansible_distribution == 'Fedora') | ternary('fedora', 'centos') }}/gpg"
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```
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(Used only for RedHat/CentOS.) You can enable the Nightly or Test repo by setting the respective vars to `1`.
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