drydock/python/drydock_provisioner/orchestrator/validations/platform_selection.py

81 lines
3.1 KiB
Python

# Copyright 2018 AT&T Intellectual Property. All other rights reserved.
#
# 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 drydock_provisioner.orchestrator.validations.validators import Validators
class PlatformSelection(Validators):
def __init__(self):
super().__init__('Platform Selection', 'DD3001')
def run_validation(self, site_design, orchestrator=None):
"""Validate that the platform selection for all nodes is valid.
Each node specifies an ``image`` and a ``kernel`` to use for
deployment. Check that these are valid for the image repository
configured in MAAS.
"""
try:
node_driver = orchestrator.enabled_drivers['node']
except KeyError:
msg = ("Platform Validation: No enabled node driver, image"
"and kernel selections not validated.")
self.report_warn(
msg, [],
"Cannot validate platform selection without accessing the node provisioner."
)
return
try:
valid_images = node_driver.get_available_images()
except Exception:
msg = ("Platform validation: Could not load images from driver, skipping"
"image and kernel selection validation.")
self.report_warn(
msg, [],
"Cannot validate platform selection without accessing the node provisioner."
)
return
valid_kernels = dict()
for i in valid_images:
try:
valid_kernels[i] = node_driver.get_available_kernels(i)
except Exception:
msg = ("Platform validation: Could not load kernels from driver, skipping"
"image and kernel selection validation.")
self.report_warn(
msg, [],
"Cannot validate platform selection without accessing the node provisioner."
)
return
node_list = site_design.baremetal_nodes or []
for n in node_list:
if n.image in valid_images:
if n.kernel in valid_kernels[n.image]:
continue
msg = "Platform Validation: invalid kernel %s" % (n.kernel)
self.report_error(
msg, [n.doc_ref], "Select a valid kernel from: %s" %
",".join(valid_kernels[n.image]))
continue
msg = "Platform Validation: invalid image %s" % (n.image)
self.report_error(
msg, [n.doc_ref],
"Select a valid image from: %s" % ",".join(valid_images))
return