[OVN][Migration] Enable settings backup subnet for NFS clients

If the BACKUP_MIGRATION_IP is set to a different IP outside of
the default nets[1] set in the “openstack overcloud backup”
playbook setup_nfs role[2]. Then the NFS will fail to mount
directories during the backup, because they will not be
reachable | permitted.
This change simply adds a new variable
BACKUP_MIGRATION_CTL_PLANE_CIDRS into the ovn_migration script
to allow the user to overwrite the extra-var used for
Openstack overcloud backup --setup-nfs command.

[1] e281ae7624/tripleo_ansible/roles/backup_and_restore/defaults/main.yml (L47)
[2] e281ae7624/tripleo_ansible/roles/backup_and_restore/tasks/setup_nfs.yml (L127)

Change-Id: I160dfc4e893b93ac7a40e19b3dd6b89750dac57d
(cherry picked from commit b677d65b2d)
This commit is contained in:
Miro Tomaska 2023-01-09 16:21:59 -06:00
parent 5c4f9023cf
commit 70a7188209
3 changed files with 10 additions and 1 deletions

View File

@ -155,6 +155,12 @@ Perform the following steps in the undercloud
server that will be used as a NFS server to store the backup.
Default: 192.168.24.1
* BACKUP_MIGRATION_CTL_PLANE_CIDRS - Only used if CREATE_BACKUP is enabled.
A comma separated string of control plane subnets in CIDR notation for the
controllers being backed up. The specified subnets will be used to enable
NFS remote clients connections.
Default: 192.168.24.0/24
.. warning::
Please note that VALIDATE_MIGRATION requires enough quota (2

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@ -42,7 +42,8 @@ LANG=C
: ${VALIDATE_MIGRATION:=False}
: ${DHCP_RENEWAL_TIME:=30}
: ${CREATE_BACKUP:=True}
: ${BACKUP_MIGRATION_IP:=192.168.24.1} # TODO: Document this new var
: ${BACKUP_MIGRATION_IP:=192.168.24.1}
: ${BACKUP_MIGRATION_CTL_PLANE_CIDRS:=192.168.24.0/24}
check_for_necessary_files() {
@ -328,6 +329,7 @@ start_migration() {
-e overcloudrc=$OVERCLOUDRC_FILE \
-e stackrc=$STACKRC_FILE \
-e backup_migration_ip=$BACKUP_MIGRATION_IP \
-e backup_migration_ctl_plane_cidrs=$BACKUP_MIGRATION_CTL_PLANE_CIDRS \
-e create_backup=$CREATE_BACKUP \
-e ansible_inventory=$inventory_file \
-e validate_migration=$VALIDATE_MIGRATION $*

View File

@ -36,6 +36,7 @@
--setup-nfs \
--extra-vars '{
"tripleo_backup_and_restore_server": {{ backup_migration_ip }},
"tripleo_backup_and_restore_clients_nets": {{ backup_migration_ctl_plane_cidrs.split(',') }},
"nfs_server_group_name": {{ revert_preparation_server_name }}
}'