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terraform.go
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terraform.go
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// Copyright (c) 2019 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 internal
import (
"time"
"github.com/gardener/gardener-extension-provider-azure/pkg/internal/imagevector"
"github.com/gardener/gardener/extensions/pkg/terraformer"
"github.com/gardener/gardener/pkg/logger"
"k8s.io/client-go/rest"
)
const (
// TerraformVarClientID is the name of the terraform client id environment variable.
TerraformVarClientID = "TF_VAR_CLIENT_ID"
// TerraformVarClientSecret is the name of the client secret environment variable.
TerraformVarClientSecret = "TF_VAR_CLIENT_SECRET"
)
// TerraformVariablesEnvironmentFromClientAuth computes the Terraformer variables environment from the
// given ServiceAccount.
func TerraformVariablesEnvironmentFromClientAuth(auth *ClientAuth) map[string]string {
return map[string]string{
TerraformVarClientID: auth.ClientID,
TerraformVarClientSecret: auth.ClientSecret,
}
}
// NewTerraformer initializes a new Terraformer.
func NewTerraformer(restConfig *rest.Config, purpose, namespace, name string) (terraformer.Terraformer, error) {
tf, err := terraformer.NewForConfig(logger.NewLogger("info"), restConfig, purpose, namespace, name, imagevector.TerraformerImage())
if err != nil {
return nil, err
}
return tf.
SetTerminationGracePeriodSeconds(630).
SetDeadlineCleaning(5 * time.Minute).
SetDeadlinePod(15 * time.Minute), nil
}
// NewTerraformerWithAuth initializes a new Terraformer that has the azure auth credentials.
func NewTerraformerWithAuth(
restConfig *rest.Config,
purpose,
namespace,
name string,
clientAuth *ClientAuth,
) (terraformer.Terraformer, error) {
tf, err := NewTerraformer(restConfig, purpose, namespace, name)
if err != nil {
return nil, err
}
return tf.SetVariablesEnvironment(TerraformVariablesEnvironmentFromClientAuth(clientAuth)), nil
}