nvidia-container-toolkit/internal/requirements/requirements.go
Evan Lezar 9e46d41dbe Add debug logging when checking requirements
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-05-05 14:14:01 +02:00

71 lines
2.3 KiB
Go

/**
# Copyright (c) 2022, NVIDIA CORPORATION. All 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.
**/
package requirements
import (
"github.com/NVIDIA/nvidia-container-toolkit/internal/requirements/constraints"
"github.com/sirupsen/logrus"
)
// Requirements represents a collection of requirements that can be compared to properties
type Requirements struct {
logger *logrus.Logger
requirements []string
properties map[string]constraints.Property
}
// New creates a new set of requirements
func New(logger *logrus.Logger, requirements []string) *Requirements {
r := Requirements{
logger: logger,
requirements: requirements,
properties: map[string]constraints.Property{
// Set up the supported properties. These are overridden with actual values.
CUDA: constraints.NewVersionProperty(CUDA, ""),
ARCH: constraints.NewVersionProperty(ARCH, ""),
DRIVER: constraints.NewVersionProperty(DRIVER, ""),
BRAND: constraints.NewStringProperty(BRAND, ""),
},
}
return &r
}
// AddVersionProperty adds the specified property (name, value pair) to the requirements
func (r *Requirements) AddVersionProperty(name string, value string) {
r.properties[name] = constraints.NewVersionProperty(name, value)
}
// AddStringProperty adds the specified property (name, value pair) to the requirements
func (r *Requirements) AddStringProperty(name string, value string) {
r.properties[name] = constraints.NewStringProperty(name, value)
}
// Assert checks the specified requirements
func (r Requirements) Assert() error {
if len(r.requirements) == 0 {
return nil
}
r.logger.Debugf("Checking properties %+v against requirements %v", r.properties, r.requirements)
c, err := constraints.New(r.logger, r.requirements, r.properties)
if err != nil {
return err
}
return c.Assert()
}