Deprecate devicemapper due to removal in Docker
Docker Engine 25.0 drops support for the devicemapper storage driver
after a long deprecation period.
Since devicemapper is used in some CI jobs, pin docker-ce package to the
latest available 24.x release. The master branch will remove
devicemapper support in another patch [1].
Add a deprecation notice indicating to the operator that they must
install a compatible version of Docker Engine to keep using
devicemapper.
Note: this backport is amended to set packages via kolla/globals.yml
instead of zzz-overrides.yml. This is required for Zed and earlier
releases, which still use kolla bootstrap-servers to install Docker.
[1] https://review.opendev.org/c/openstack/kayobe/+/906386
Change-Id: I6f62081d71232091e26269d4d7877203236c459d
(cherry picked from commit bd16d2931d
)
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parent
f6cabd0189
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@ -5,6 +5,18 @@
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- docker
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- docker-devicemapper
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tasks:
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- name: Warn about deprecation of devicemapper Docker storage driver
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fail:
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msg: >
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Support for using the devicemapper Docker storage driver is
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deprecated in Kayobe and will be removed in the Caracal 16.0.0
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release. To keep using devicemapper in the current release, ensure
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that the version of Docker Engine installed is below 25.0.0.
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# NOTE(priteau): We want this to print a nice big red warning and not to
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# fail the run.
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ignore_errors: yes
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when: docker_storage_driver == 'devicemapper'
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- name: Check for existing Docker configuration using devicemapper
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block:
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- name: Query Docker daemon for storage driver
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@ -0,0 +1,4 @@
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---
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# Pin Docker package to latest 24.x release before devicemapper was removed
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docker_apt_package: "docker-ce=5:24.0.8-1~ubuntu.22.04~jammy"
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docker_yum_package: "docker-ce-24*"
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@ -25,6 +25,11 @@
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src: overrides.yml.j2
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dest: "{{ kayobe_config_src_dir }}/etc/kayobe/zzz-overrides.yml"
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- name: Ensure kolla-ansible globals.yml override config file exists
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template:
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src: globals.yml.j2
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dest: "{{ kayobe_config_src_dir }}/etc/kayobe/kolla/globals.yml"
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# NOTE(mgoddard): Create two loopback devices backed by files. These will
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# be added to a software RAID volume, then added to an LVM volume group.
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- name: Ensure a docker storage backing file exists
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@ -0,0 +1,8 @@
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---
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deprecations:
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- |
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Support for the ``devicemapper`` Docker storage driver is deprecated
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following its removal from Docker Engine 25.0. Support will be fully
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removed in the Caracal 16.0.0 release. Operators using ``devicemapper``
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should ensure that a compatible version of Docker Engine is installed (i.e.
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release 24.x or below).
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