Migrate MySQL to Kubernetes
Change-Id: Ibe104af6e11424ea437c9ac0e2230c0eae1ed137
This commit is contained in:
Mohammed Naser
okozachenko
parent
6754029f2b
commit
6ae2ccd692
@ -34,6 +34,14 @@ function kubernetes_rollout_status {
|
||||
kubectl rollout status --timeout=300s $resource
|
||||
}
|
||||
|
||||
function kubernetes_wait_pod_ready {
|
||||
while
|
||||
[[ $(kubectl get pods $1 -o 'jsonpath={..status.conditions[?(@.type=="Ready")].status}') != "True" ]];
|
||||
do
|
||||
echo "waiting for pod" && sleep 1;
|
||||
done
|
||||
}
|
||||
|
||||
function kubernetes_rollout_restart {
|
||||
local resource="$1"
|
||||
|
||||
|
||||
@ -63,8 +63,17 @@ function create_nova_conf {
|
||||
iniset $NOVA_CONF filter_scheduler track_instance_changes False
|
||||
fi
|
||||
|
||||
iniset $NOVA_CONF database connection `database_connection_url $db`
|
||||
iniset $NOVA_CONF api_database connection `database_connection_url nova_api`
|
||||
kubernetes_ensure_resource secret/nova-cell1-mysql
|
||||
NOVA_CELL1_DATABASE_USER=$(get_data_from_secret nova-cell1-mysql openstack USER)
|
||||
NOVA_CELL1_DATABASE_PASSWORD=$(get_data_from_secret nova-cell1-mysql openstack PASSWORD)
|
||||
NOVA_CELL1_DATABASE_NAME=$(get_data_from_secret nova-cell1-mysql openstack DATABASE)
|
||||
iniset $NOVA_CONF database connection "mysql+pymysql://$NOVA_CELL1_DATABASE_USER:$NOVA_CELL1_DATABASE_PASSWORD@nova-cell1-mysql-master.openstack.svc/$NOVA_CELL1_DATABASE_NAME?charset=utf8"
|
||||
|
||||
kubernetes_ensure_resource secret/nova-api-mysql
|
||||
NOVA_API_DATABASE_USER=$(get_data_from_secret nova-api-mysql openstack USER)
|
||||
NOVA_API_DATABASE_PASSWORD=$(get_data_from_secret nova-api-mysql openstack PASSWORD)
|
||||
NOVA_API_DATABASE_NAME=$(get_data_from_secret nova-api-mysql openstack DATABASE)
|
||||
iniset $NOVA_CONF api_database connection "mysql+pymysql://$NOVA_API_DATABASE_USER:$NOVA_API_DATABASE_PASSWORD@nova-api-mysql-master.openstack.svc/$NOVA_API_DATABASE_NAME?charset=utf8"
|
||||
|
||||
# Cache related settings
|
||||
# Those settings aren't really needed in n-cpu thus it is configured
|
||||
@ -161,7 +170,11 @@ function create_nova_conf {
|
||||
vhost="nova_cell${i}"
|
||||
# clean old conductor conf
|
||||
rm -f $conf
|
||||
iniset $conf database connection `database_connection_url nova_cell${i}`
|
||||
NOVA_CELL_DATABASE_USER=$(get_data_from_secret nova-cell${i}-mysql openstack USER)
|
||||
NOVA_CELL_DATABASE_PASSWORD=$(get_data_from_secret nova-cell${i}-mysql openstack PASSWORD)
|
||||
NOVA_CELL_DATABASE_NAME=$(get_data_from_secret nova-cell${i}-mysql openstack DATABASE)
|
||||
iniset $conf database connection "mysql+pymysql://$NOVA_CELL_DATABASE_USER:$NOVA_CELL_DATABASE_PASSWORD@nova-cell${i}-mysql-master.openstack.svc/$NOVA_CELL_DATABASE_NAME?charset=utf8"
|
||||
|
||||
iniset $conf conductor workers "$API_WORKERS"
|
||||
iniset $conf DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
|
||||
# if we have a singleconductor, we don't have per host message queues.
|
||||
@ -194,3 +207,51 @@ function create_nova_conf {
|
||||
done
|
||||
fi
|
||||
}
|
||||
|
||||
function init_nova {
|
||||
# All nova components talk to a central database.
|
||||
# Only do this step once on the API node for an entire cluster.
|
||||
if is_service_enabled $DATABASE_BACKENDS && is_service_enabled n-api; then
|
||||
kubernetes_ensure_resource service/nova-api-mysql-master
|
||||
kubernetes_wait_pod_ready nova-api-mysql-0
|
||||
$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CONF api_db sync
|
||||
|
||||
kubernetes_ensure_resource secret/nova-cell0-mysql
|
||||
kubernetes_wait_pod_ready nova-cell0-mysql-0
|
||||
NOVA_CELL0_DATABASE_USER=$(get_data_from_secret nova-cell0-mysql openstack USER)
|
||||
NOVA_CELL0_DATABASE_PASSWORD=$(get_data_from_secret nova-cell0-mysql openstack PASSWORD)
|
||||
NOVA_CELL0_DATABASE_NAME=$(get_data_from_secret nova-cell0-mysql openstack DATABASE)
|
||||
kubernetes_ensure_resource service/nova-cell0-mysql-master
|
||||
$NOVA_BIN_DIR/nova-manage cell_v2 map_cell0 --database_connection "mysql+pymysql://$NOVA_CELL0_DATABASE_USER:$NOVA_CELL0_DATABASE_PASSWORD@nova-cell0-mysql-master.openstack.svc/$NOVA_CELL0_DATABASE_NAME?charset=utf8"
|
||||
|
||||
# (Re)create nova databases
|
||||
for i in $(seq 1 $NOVA_NUM_CELLS); do
|
||||
$NOVA_BIN_DIR/nova-manage --config-file $(conductor_conf $i) db sync --local_cell
|
||||
done
|
||||
|
||||
# Migrate nova and nova_cell0 databases.
|
||||
$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CONF db sync
|
||||
|
||||
# Run online migrations on the new databases
|
||||
# Needed for flavor conversion
|
||||
$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CONF db online_data_migrations
|
||||
|
||||
# create the cell1 cell for the main nova db where the hosts live
|
||||
for i in $(seq 1 $NOVA_NUM_CELLS); do
|
||||
$NOVA_BIN_DIR/nova-manage --config-file $NOVA_CONF --config-file $(conductor_conf $i) cell_v2 create_cell --name "cell$i"
|
||||
done
|
||||
fi
|
||||
|
||||
create_nova_keys_dir
|
||||
|
||||
if [[ "$NOVA_BACKEND" == "LVM" ]]; then
|
||||
init_default_lvm_volume_group
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# Helper to clean iptables rules
|
||||
function clean_iptables {
|
||||
echo noop
|
||||
}
|
||||
export -f clean_iptables
|
||||
@ -19,6 +19,7 @@ This code takes care of doing the operations of the OpenStack Nova API
|
||||
service.
|
||||
"""
|
||||
|
||||
from openstack_operator import database
|
||||
from openstack_operator import utils
|
||||
|
||||
MEMCACHED = True
|
||||
@ -37,7 +38,11 @@ def create_or_resume(**_):
|
||||
start the service up for the first time.
|
||||
"""
|
||||
|
||||
database.ensure_mysql_cluster("nova-api")
|
||||
|
||||
for cell in CELLS:
|
||||
database.ensure_mysql_cluster("nova-%s" % cell)
|
||||
|
||||
# NOTE(mnaser): cell0 does not need a message queue
|
||||
if cell != 'cell0':
|
||||
if not utils.ensure_secret("openstack", "nova-%s-rabbitmq" % cell):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user