/
configvalidator.go
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/
configvalidator.go
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// Copyright (c) 2021 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 infrastructure
import (
"context"
"fmt"
"github.com/gardener/gardener-extension-provider-openstack/pkg/apis/openstack/helper"
"github.com/gardener/gardener-extension-provider-openstack/pkg/openstack"
openstackclient "github.com/gardener/gardener-extension-provider-openstack/pkg/openstack/client"
"github.com/gardener/gardener/extensions/pkg/controller/common"
"github.com/gardener/gardener/extensions/pkg/controller/infrastructure"
extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
"github.com/gardener/gardener/pkg/utils"
"github.com/go-logr/logr"
"k8s.io/apimachinery/pkg/util/validation/field"
"sigs.k8s.io/controller-runtime/pkg/client"
)
// configValidator implements ConfigValidator for openstack infrastructure resources.
type configValidator struct {
common.ClientContext
clientFactoryFactory openstackclient.FactoryFactory
logger logr.Logger
}
// NewConfigValidator creates a new ConfigValidator.
func NewConfigValidator(clientFactoryFactory openstackclient.FactoryFactory, logger logr.Logger) infrastructure.ConfigValidator {
return &configValidator{
clientFactoryFactory: clientFactoryFactory,
logger: logger.WithName("openstack-infrastructure-config-validator"),
}
}
// Validate validates the provider config of the given infrastructure resource with the cloud provider.
func (c *configValidator) Validate(ctx context.Context, infra *extensionsv1alpha1.Infrastructure) field.ErrorList {
allErrs := field.ErrorList{}
logger := c.logger.WithValues("infrastructure", client.ObjectKeyFromObject(infra))
// Get provider config from the infrastructure resource
config, err := helper.InfrastructureConfigFromInfrastructure(infra)
if err != nil {
allErrs = append(allErrs, field.InternalError(nil, err))
return allErrs
}
// Create openstack networking client
credentials, err := openstack.GetCredentials(ctx, c.Client(), infra.Spec.SecretRef, false)
if err != nil {
allErrs = append(allErrs, field.InternalError(nil, fmt.Errorf("could not get Openstack credentials: %+v", err)))
return allErrs
}
clientFactory, err := c.clientFactoryFactory.NewFactory(credentials)
if err != nil {
allErrs = append(allErrs, field.InternalError(nil, fmt.Errorf("could not create Openstack client factory: %+v", err)))
return allErrs
}
networkingClient, err := clientFactory.Networking()
if err != nil {
allErrs = append(allErrs, field.InternalError(nil, fmt.Errorf("could not create Openstack networking client: %+v", err)))
return allErrs
}
// Validate infrastructure config
logger.Info("Validating infrastructure configuration")
allErrs = append(allErrs, c.validateFloatingPoolName(ctx, networkingClient, config.FloatingPoolName, field.NewPath("floatingPoolName"))...)
return allErrs
}
func (c *configValidator) validateFloatingPoolName(ctx context.Context, networkingClient openstackclient.Networking, floatingPoolName string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{}
// Get external network names
externalNetworkNames, err := networkingClient.GetExternalNetworkNames(ctx)
if err != nil {
allErrs = append(allErrs, field.InternalError(fldPath, fmt.Errorf("could not get external network names: %w", err)))
return allErrs
}
// Check if floatingPoolName is contained in the list of external network names
if !utils.ValueExists(floatingPoolName, externalNetworkNames) {
allErrs = append(allErrs, field.NotFound(fldPath, floatingPoolName))
}
return allErrs
}