diff options
Diffstat (limited to 'extraconfig/tasks/major_upgrade_pacemaker_migrations.sh')
| -rw-r--r-- | extraconfig/tasks/major_upgrade_pacemaker_migrations.sh | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/extraconfig/tasks/major_upgrade_pacemaker_migrations.sh b/extraconfig/tasks/major_upgrade_pacemaker_migrations.sh index 7c9083a4..6d02acc8 100644 --- a/extraconfig/tasks/major_upgrade_pacemaker_migrations.sh +++ b/extraconfig/tasks/major_upgrade_pacemaker_migrations.sh @@ -179,3 +179,23 @@ function disable_standalone_ceilometer_api { fi fi } + + +# This function will make sure that the rabbitmq ha policies are converted from mitaka to newton +# In newton we had: Attributes: set_policy="ha-all ^(?!amq\.).* {"ha-mode":"all"}" +# In ocata we want: Attributes: set_policy="ha-all ^(?!amq\.).* {"ha-mode":"exactly","ha-params":2}" +# The nr "2" should be CEIL(N/2) where N is the number of Controllers (i.e. rabbit instances) +# Note that changing an attribute like this makes the rabbitmq resource restart +function rabbitmq_newton_ocata_upgrade { + if pcs resource show rabbitmq-clone | grep -q -E "Attributes:.*\"ha-mode\":\"all\""; then + # Number of controller is obtained by counting how many hostnames we + # have in controller_node_names hiera key + nr_controllers=$(($(hiera controller_node_names | grep -o "," |wc -l) + 1)) + nr_queues=$(($nr_controllers / 2 + ($nr_controllers % 2))) + if ! [ $nr_queues -gt 0 -a $nr_queues -le $nr_controllers ]; then + echo_error "ERROR: The nr. of HA queues during the M/N upgrade is out of range $nr_queues" + exit 1 + fi + pcs resource update rabbitmq set_policy='ha-all ^(?!amq\\.).* {"ha-mode":"exactly","ha-params":'"$nr_queues}" --wait=600 + fi +} |