--- /dev/null
+# Copyright 2019 Nokia
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from cmdatahandlers.api import configerror
+from cmdatahandlers.api import config
+from cmdatahandlers.api import utils
+
+
+class Config(config.Config):
+ def __init__(self, confman):
+ super(Config, self).__init__(confman)
+ self.ROOT = 'cloud.storage_profiles'
+ self.DOMAIN = 'storage_profiles'
+
+ def init(self):
+ pass
+
+ def validate(self):
+ self.validate_root()
+ self._validate_storage_profiles()
+
+ def _validate_storage_profiles(self):
+ profiles = self.get_storage_profiles()
+ utils.validate_list_items_unique(profiles)
+ for profile in profiles:
+ self._validate_storage_profile(profile)
+
+ def _validate_storage_profile(self, profile):
+ backend = self.get_profile_backend(profile)
+ storageconf = self.confman.get_storage_config_handler()
+ backends = storageconf.get_storage_backends()
+ if backend not in backends:
+ raise configerror.ConfigError(
+ 'Invalid backend %s provided in profile %s' % (backend, profile))
+ if backend == 'ceph':
+ self.get_profile_nr_of_ceph_osd_disks(profile)
+ elif backend == 'lvm':
+ self.get_profile_lvm_cinder_storage_partitions(profile)
+ self.get_profile_lvm_instance_storage_partitions(profile)
+ self.get_profile_lvm_instance_cow_lv_storage_percentage(profile)
+ self.get_profile_instance_storage_percentage(profile)
+
+ def is_valid_profile(self, profile):
+ self.validate_root()
+ profiles = self.get_storage_profiles()
+ if profile not in profiles:
+ raise configerror.ConfigError('Invalid profile name %s' % profile)
+
+ def get_storage_profiles(self):
+ """ get the storage profiles list
+
+ Return:
+
+ A list of storage profile(s) names
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self.config[self.ROOT].keys()
+
+ def get_profile_ceph_osd_disks(self, profile):
+ """ get the ceph osd disks
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The ceph osd disks
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'ceph_osd_disks')
+
+ def get_profile_ceph_osd_journal_disk(self, profile):
+ """ get the ceph osd journal disk
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The ceph osd journal disk
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'ceph_osd_journal_disk')
+
+ def get_profile_ceph_openstack_pg_proportion(self, profile):
+ openstack_pg_ratio, caas_pg_ratio = self._get_ceph_pg_share_ratios(profile)
+ return openstack_pg_ratio / (openstack_pg_ratio + caas_pg_ratio)
+
+ def _get_ceph_pg_share_ratios(self, profile):
+ pg_share_ratios = self.get_profile_ceph_openstack_caas_pg_ratio(profile).split(':')
+ return map(lambda r: float(r), pg_share_ratios)
+
+ def get_profile_ceph_caas_pg_proportion(self, profile):
+ openstack_pg_ratio, caas_pg_ratio = self._get_ceph_pg_share_ratios(profile)
+ return caas_pg_ratio / (openstack_pg_ratio + caas_pg_ratio)
+
+ def get_profile_ceph_openstack_caas_pg_ratio(self, profile):
+ """ get the ceph openstack-caas pg share ratio
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The ceph osd share ratio
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_optional_attribute(
+ profile, 'ceph_pg_openstack_caas_share_ratio', "1:0")
+
+ def get_profile_nr_of_ceph_osd_disks(self, profile):
+ """ get the number of ceph osd disks
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The number of ceph osd disks
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ self.validate_root()
+ self.is_valid_profile(profile)
+
+ if 'nr_of_ceph_osd_disks' not in self.config[self.ROOT][profile]:
+ ceph_osd_disks = self._get_attribute(profile, 'ceph_osd_disks')
+ return len(ceph_osd_disks)
+ return self.config[self.ROOT][profile]['nr_of_ceph_osd_disks']
+
+ def get_profile_lvm_cinder_storage_partitions(self, profile):
+ """ get the lvm_cinder_storage_partitions
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The lvm_cinder_storage_partitions
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'lvm_cinder_storage_partitions')
+
+ def get_profile_backend(self, profile):
+ """ get the storage profile backend
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The profile backend
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'backend')
+
+ def get_profile_lvm_instance_storage_partitions(self, profile):
+ """ get the lvm_instance_storage_partitions
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The lvm_instance_storage_partitions
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'lvm_instance_storage_partitions')
+
+ def get_profile_lvm_instance_cow_lv_storage_percentage(self, profile):
+ """ get the lvm_instance_cow_lv_storage_percentage
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The lvm_instance_cow_lv_storage_percentage
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'lvm_instance_cow_lv_storage_percentage')
+
+ def get_profile_instance_storage_percentage(self, profile):
+ """ get the instance_storage_percentage
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The instance_storage_percentage
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'instance_storage_percentage')
+
+ def get_profile_bare_lvm_mount_options(self, profile):
+ """ get the mount_options
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The mount_options
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_optional_attribute(profile, 'mount_options')
+
+ def get_profile_bare_lvm_mount_dir(self, profile):
+ """ get the mount_dir
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The mount_dir
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'mount_dir')
+
+ def get_profile_bare_lvm_lv_name(self, profile):
+ """ get the lv_name
+
+ Argument:
+
+ profile name
+
+ Return:
+
+ The lv_name
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ return self._get_attribute(profile, 'lv_name')
+
+ def _get_attribute(self, profile, attribute):
+ """ get arbirary storage profile attribute
+
+ Arguments:
+
+ - profile name
+ - attribute name
+
+ Return:
+
+ The attribute
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ self.validate_root()
+ self.is_valid_profile(profile)
+ if attribute not in self.config[self.ROOT][profile]:
+ raise configerror.ConfigError(
+ 'Profile %s does not have %s configured' % (attribute, profile))
+ return self.config[self.ROOT][profile][attribute]
+
+ def _get_optional_attribute(self, profile, attribute, default_value=""):
+ """ get arbirary optional storage profile attribute
+
+ Arguments:
+
+ - profile name
+ - attribute name
+
+ Return:
+
+ The attribute
+
+ Raise:
+
+ ConfigError in-case of an error
+ """
+ self.validate_root()
+ self.is_valid_profile(profile)
+ if attribute not in self.config[self.ROOT][profile]:
+ return default_value
+ return self.config[self.ROOT][profile][attribute]