Add support for using a tmpfs for Cinder image conversion

This can improve performance of image format conversion and encryption, if
sufficient memory is available on the cinder-volume host.

Closes-Bug: #1897276

Change-Id: I4ca1c4db7b66fdfc6bb873aad2570234f3882d81
This commit is contained in:
Mark Goddard 2020-09-25 10:05:59 +00:00
parent 279264f4c9
commit 11a60a6568
4 changed files with 15 additions and 0 deletions

View File

@ -38,6 +38,7 @@ cinder_services:
image: "{{ cinder_volume_image_full }}" image: "{{ cinder_volume_image_full }}"
privileged: True privileged: True
ipc_mode: "host" ipc_mode: "host"
tmpfs: "{{ cinder_volume_tmpfs }}"
volumes: "{{ cinder_volume_default_volumes + cinder_volume_extra_volumes }}" volumes: "{{ cinder_volume_default_volumes + cinder_volume_extra_volumes }}"
dimensions: "{{ cinder_volume_dimensions }}" dimensions: "{{ cinder_volume_dimensions }}"
cinder-backup: cinder-backup:
@ -125,6 +126,12 @@ cinder_backup_extra_volumes: "{{ cinder_extra_volumes }}"
cinder_scheduler_extra_volumes: "{{ cinder_extra_volumes }}" cinder_scheduler_extra_volumes: "{{ cinder_extra_volumes }}"
cinder_volume_extra_volumes: "{{ cinder_extra_volumes }}" cinder_volume_extra_volumes: "{{ cinder_extra_volumes }}"
cinder_volume_tmpfs:
- "{% if cinder_enable_conversion_tmpfs | bool %}/var/lib/cinder/conversion{% endif %}"
# If true, use a tmpfs mount for the Cinder image conversion directory.
cinder_enable_conversion_tmpfs: false
#################### ####################
# OpenStack # OpenStack
#################### ####################

View File

@ -41,6 +41,7 @@
image: "{{ service.image }}" image: "{{ service.image }}"
privileged: "{{ service.privileged | default(False) }}" privileged: "{{ service.privileged | default(False) }}"
ipc_mode: "{{ service.ipc_mode | default('') }}" ipc_mode: "{{ service.ipc_mode | default('') }}"
tmpfs: "{{ service.tmpfs | default(omit) }}"
volumes: "{{ service.volumes | reject('equalto', '') | list }}" volumes: "{{ service.volumes | reject('equalto', '') | list }}"
dimensions: "{{ service.dimensions }}" dimensions: "{{ service.dimensions }}"
when: when:

View File

@ -6,6 +6,7 @@
common_options: "{{ docker_common_options }}" common_options: "{{ docker_common_options }}"
name: "{{ item.value.container_name }}" name: "{{ item.value.container_name }}"
image: "{{ item.value.image }}" image: "{{ item.value.image }}"
tmpfs: "{{ item.value.tmpfs | default(omit) }}"
volumes: "{{ item.value.volumes | reject('equalto', '') | list }}" volumes: "{{ item.value.volumes | reject('equalto', '') | list }}"
dimensions: "{{ item.value.dimensions }}" dimensions: "{{ item.value.dimensions }}"
privileged: "{{ item.value.privileged | default(False) }}" privileged: "{{ item.value.privileged | default(False) }}"

View File

@ -0,0 +1,6 @@
---
features:
- |
Adds support for using a ``tmpfs`` mount for the image conversion directory
of the ``cinder_volume`` container. This is disabled by default, but may be
enabled by setting ``cinder_enable_conversion_tmpfs`` to ``true``.