Add backup for mysqlCluster

Change-Id: Ia7b7fb413566632a6b443df2f136ec5017d3247f

chart/test-values.yaml

@@ -29,3 +29,6 @@ configMap:
     mysql:
       size: 10Gi
   chronyd: {}
+  backup:
+    secretName: aws-backup
+    url: s3://backups/

config/samples/operator-config.yaml

@@ -15,3 +15,6 @@ data:
     glance:
       dataDir: /opt/stack/data/glance
     chronyd: {}
+    backup:
+      secretName: aws-backup
+      url: s3://backups/

openstack_operator/operator.py

@@ -58,18 +58,23 @@ def deploy(name, namespace, new, **_):
     config = utils.to_dict(new['data']['operator-config.yaml'])
 
     if "keystone" in config:
-        keystone.create_or_resume("keystone", config["keystone"])
+        spec = set_service_config(config, "keystone")
+        keystone.create_or_resume("keystone", spec)
     if "horizon" in config:
-        horizon.create_secret("horizon")
-        horizon.create_or_resume("horizon", config["horizon"])
+        spec = set_service_config(config, "horizon")
+        horizon.create_or_resume("horizon", spec)
     if "heat" in config:
-        heat.create_or_resume("heat", config["heat"])
+        spec = set_service_config(config, "heat")
+        heat.create_or_resume("heat", spec)
     if "glance" in config:
-        glance.create_or_resume("glance", config["glance"])
+        spec = set_service_config(config, "glance")
+        glance.create_or_resume("glance", spec)
     if "magnum" in config:
-        magnum.create_or_resume("magnum", config["magnum"])
+        spec = set_service_config(config, "magnum")
+        magnum.create_or_resume("magnum", spec)
     if "ceilometer" in config:
-        ceilometer.create_or_resume(config["ceilometer"])
+        spec = config["ceilometer"]
+        ceilometer.create_or_resume(spec)
 
     if "chronyd" in config:
         spec = config["chronyd"]
@@ -82,3 +87,23 @@ def deploy(name, namespace, new, **_):
     else:
         spec = {}
     libvirtd_exporter.create_or_resume(spec)
+
+
+def set_service_config(all_config, service_name):
+    """Retrieve the config for each openstack service
+
+    The config for each service is comprised of service-level
+    config and operator-level config"""
+
+    # Set the service level config
+    spec = all_config[service_name]
+
+    # Inject the operator level config to service level
+    # Backup config for mysql
+    all_config["backup"]["schedule"] = utils.get_backup_schedule(service_name)
+    if "mysql" in spec:
+        spec["mysql"].update(all_config["backup"])
+    else:
+        spec["mysql"] = all_config["backup"]
+
+    return spec

openstack_operator/templates/mysqlcluster/mysqlcluster.yml.j2

@@ -22,6 +22,10 @@ metadata:
     {{ labels(name) | indent(4) }}
 spec:
   replicas: 2
+  backupSchedule: {{ spec.schedule }}
+  backupScheduleJobsHistoryLimit: 6
+  backupSecretName: {{ spec.secretName }}
+  backupURL: {{ spec.url }}
   secretName: {{ name }}-mysql
   {% if "mysqlConf" in spec %}
   mysqlConf:

openstack_operator/utils.py

@@ -35,6 +35,19 @@ import openstack
 from openstack_operator import objects
 
 
+BACKUP_SCHEDULE = {
+    'magnum': '0 0 * * * *',
+    'barbican': '0 5 * * * *',
+    'cinder': '0 10 * * * *',
+    'glance': '0 15 * * * *',
+    'heat': '0 20 * * * *',
+    'neutron': '0 25 * * * *',
+    'octavia': '0 30 * * * *',
+    'nova': '0 35 * * * *',
+    'keystone': '0 40 * * * *',
+    'zuul': '0 58 * * * *'
+}
+
 DIR_PATH = os.path.dirname(os.path.realpath(__file__))
 
 VERSION = version.VersionInfo('openstack_operator').version_string()
@@ -261,3 +274,14 @@ def get_configmap(namespace, name):
         return None
 
     return config.obj["data"]
+
+
+def get_backup_schedule(name):
+    """Retrieve backup schedule for openstack services
+
+    This function retrieves a backup schedule for the specified openstack
+    service and the schedule is a cronjob format"""
+
+    if name not in BACKUP_SCHEDULE:
+        return "0 0 * * * *"
+    return BACKUP_SCHEDULE[name]